US Pat. No. 10,601,426

PROGRAMMABLE LOGIC DEVICE WITH FINE-GRAINED DISAGGREGATION

Intel Corporation, San J...

1. A device, comprising:a first integrated circuit die that primarily includes logic circuitry but does not include any random-access memory blocks; and
a second integrated circuit die that primarily includes embedded functional blocks different than the logic circuitry, wherein the first integrated circuit die is stacked vertically with respect to the second integrated circuit die, and wherein the first integrated circuit die is configured to communicate with the second integrated circuit die to perform a custom logic function.

US Pat. No. 10,601,421

MOSFET BASED ISOLATION CIRCUIT

Ademco Inc., Golden Vall...

1. A circuit comprising:a bipolar junction transistor (BJT) configured to receive a control signal at an emitter terminal of the BJT;
a first metal oxide semiconductor field effect transistor (MOSFET);
a second MOSFET, wherein a gate of the first MOSFET is electrically connected to both a gate of the second MOSFET and to a collector terminal of the BJT;
a voltage node electrically connected to a drain terminal of the first MOSFET; and
a system ground coupled to a base of the BJT;
wherein the circuit is configured to:
in response to receiving a first logic level from the control signal at the emitter terminal of the BJT, isolate the voltage node from the system ground;
in response to receiving a second logic level from the control signal at the emitter terminal of the BJT, connect the voltage node to the system ground and allow current to flow through the first MOSFET and the second MOSFET to the voltage node.

US Pat. No. 10,601,419

SWITCH CIRCUIT APPLIED TO A POWER DELIVERY INTEGRATED CIRCUIT

Etron Technology, Inc., ...

1. A switch circuit applied to a power delivery integrated circuit, wherein the power delivery integrated circuit is installed within a cable, the switch circuit comprising:a first switch module;
a second switch module; and
a logic controller, wherein when a first terminal of the cable receives a first voltage and a second terminal of the cable receives a second voltage, the logic controller makes one switch module of the first switch module and the second switch module conductive, and a turn-off voltage substantially the same as a larger voltage of the first voltage and the second voltage makes other switch module of the first switch module and the second switch module not conductive.

US Pat. No. 10,601,418

POWER SUPPLY CONTROL DEVICE

AutoNetworks Technologies...

1. A power supply control device for controlling the supply of power via a switch, comprising:a resistor whose one end is connected to a current output end of the switch and to the other end of which a voltage can be applied whose voltage value is lower than an input end voltage value at a current input end of the switch,
a first comparison unit configured to compare an output end voltage value at the current output end with a first threshold value, and
a second comparison unit configured to compare an end-to-end voltage value across the two ends of the switch with a second threshold value,
wherein the first threshold value is lower than an applied voltage value of the voltage applied to the other end of the resistor, and
the second threshold value is lower than a difference between the input end voltage value and the applied voltage value.

US Pat. No. 10,601,417

SWITCHING CIRCUIT AND METHOD OF MANUFACTURING SWITCHING CIRCUIT

DENSO CORPORATION, Kariy...

1. A switching circuit, comprising:a printed circuit board composed of an insulation substrate and wiring disposed on the insulation substrate;
a switching element composed of a gate electrode, the switching element disposed on the printed circuit board;
a positive power supply circuit to generate a positive voltage relative to a ground potential, the positive power supply circuit disposed on the printed circuit board;
a negative power supply circuit to generate a negative voltage relative to the ground potential, the negative power supply circuit disposed on the printed circuit board; and
a driving circuit to supply the positive voltage to the gate electrode to turn on the switching element, the driving circuit supplying the negative voltage to the gate electrode to turn off the switching element,
wherein the wiring includes a conducting path from the negative power supply circuit to the gate electrode via the driving circuit, the conducting path including a negative power supply wiring between the negative power supply circuit and the driving circuit,
wherein the negative power supply wiring at least partially includes a negative power supply solid pattern.

US Pat. No. 10,601,416

GATE DRIVE DEVICE

DENSO CORPORATION, Kariy...

1. A gate drive device for driving a plurality of semiconductor devices connected in parallel to each other, comprising:a constant current circuit that supplies a constant current to respective gates of the plurality of semiconductor devices;
a plurality of switching elements that is respectively provided on a plurality of paths connecting the constant current circuit and the respective gates of the plurality of semiconductor devices; and
a drive controller that controls driving of the plurality of switching elements to supply the constant current from the constant current circuit to the respective gates of the plurality of semiconductor devices, wherein
the drive controller operates each of the plurality of switching elements in a saturated region when driving the plurality of semiconductor devices.

US Pat. No. 10,601,415

CONFIGURABLE INTEGRATED DESATURATION FILTER

INFINEON TECHNOLOGIES AUS...

1. A circuit comprising:a plurality of detectors coupled to a first node, wherein a first detector of the plurality of detectors has a first programmable detection threshold, and a second detector of the plurality of detectors has a second programmable detection threshold;
a plurality of filters coupled to the plurality of detectors, wherein a first filter of the plurality of filters has a first programmable time constant, and a second filter of the plurality of filters has a second programmable time constant; and
a logic circuit having an input coupled to the plurality of filters and an output coupled to a second node, wherein the first detector of the plurality of detectors is configured to provide a first event overcurrent signal and at least the second detector of the plurality of detectors is configured to provide a multiple event overcurrent signal after counting a plurality of overcurrent events.

US Pat. No. 10,601,413

POWER SWITCHING DEVICES WITH DV/DT CAPABILITY AND METHODS OF MAKING SUCH DEVICES

Cree, Inc., Durham, NC (...

1. A power switching device, comprising:a semiconductor layer structure including an active region and an inactive region, the active region including a plurality of unit cells and the inactive region including a field insulating layer on the semiconductor layer structure and a gate pad on the field insulating layer opposite the semiconductor layer structure;
a gate insulating pattern on the semiconductor layer structure between the active region and the field insulating layer;
a first source/drain contact on the semiconductor layer structure between the gate insulating pattern and a center of the field insulating layer; and
a second source/drain contact on the semiconductor layer structure, wherein a portion of the gate insulating pattern is between the second source/drain contact and the field insulating layer,
wherein the inactive region of the semiconductor layer structure includes a substrate having a first conductivity type, a drift region having the first conductivity type on the substrate and a well region having a second conductivity type that is opposite the first conductivity type between the drift region and the field insulating layer,
wherein a portion of the field insulating layer is between the first source/drain contact and the second source/drain contact, and
wherein the well region extends continuously under the field insulating layer, the first source/drain contact, and the portion of the gate insulating pattern.

US Pat. No. 10,601,412

CIRCUIT AND METHOD TO GENERATE FREQUENCY PROPORTIONAL CURRENT

Texas Instruments Incorpo...

1. A circuit to generate a frequency proportional bias current signal, comprising:a monostable multivibrator circuit, including:
a signal input to receive a first signal having a first state representing continuous switching operation of a DC-DC converter circuit and a second state representing discontinued switching operation of the DC-DC converter circuit,
an output to provide an output pulse signal having a rising edge triggered by a rising edge of the first signal, a falling edge, and a current controlled pulse duration, and
a control input to receive a control current signal to control a pulse duration of the output pulse signal;
a phase detector circuit, including:
a first input coupled with the output of the monostable multivibrator circuit to receive the output pulse signal,
a second input coupled to receive the first signal,
a first output to provide a first phase detector output signal in a first state in response to the falling edge of the output pulse signal, and
a second output to provide a second phase detector output signal in a first state in response to the rising edge of the first signal;
a charge pump circuit configured to selectively source a first current to a control node when the first phase detector output signal is in the first state, to selectively sink a second current from the control node when the second phase detector output signal is in the first state, and to sink a third current from the control node to provide a control voltage output signal at the control node;
a voltage-to-current converter circuit to generate an output current signal proportional to the control voltage output signal; and
a current mirror circuit coupled with the voltage to current converter circuit to generate a bias current signal proportional to the output current signal, and to provide the control current signal proportional to the output current signal to the control input of the monostable multivibrator circuit to control the pulse duration of the output pulse signal.

US Pat. No. 10,601,411

COMPARATOR

KABUSHIKI KAISHA TOSHIBA,...

1. A comparator comprising:a differential pair circuit consisting of NMOS transistors, the differential pair circuit configured to output a signal corresponding to a difference between first and second input signals supplied thereto; and
a first input circuit configured to raise a voltage of the first input signal supplied to the differential pair circuit when the voltage of the first input signal is less than a predetermined threshold, wherein the first input circuit includes a first level shift circuit configured to:
increase the voltage of the first input signal,
supply the increased voltage first input signal as increased by the first level shift circuit to the differential pair circuit when the level of the first input signal is less than the predetermined threshold, and
supply the first input signal to the differential pair circuit without increasing the voltage thereof when the voltage of the first input signal is not less than the predetermined threshold, wherein
the comparator does not include a differential pair circuit consisting of PMOS transistors.

US Pat. No. 10,601,409

SELF-CLOCKING SAMPLER WITH REDUCED METASTABILITY

NVIDIA Corporation, Sant...

1. A self-clocked sampler system, comprising:a sampler circuit configured to sample input signals when a clock signal is at a first voltage level to produce sampled signals;
a detection circuit that is coupled to the sampler circuit and configured to:
pre-charge the sampled signals when the clock signal is at a second voltage level;
detect a voltage level of a first one of the sampled signals by a first threshold adjusted inverter, wherein a threshold voltage of the first threshold adjusted inverter is entirely outside of a transition voltage range of the sampler circuit;
detect a voltage level of a second one of the sampled signals by a second threshold adjusted inverter, wherein a threshold voltage of the second threshold adjusted inverter is entirely outside of the transition voltage range of the sampler circuit; and
in response to one of the detected voltage levels of the first and second sampled signals transitioning from the second voltage level to the first voltage level, a NAND gate or a NOR gate coupled to outputs of the first and second inverters transitions an output signal from the first voltage level to the second voltage level; and
a feedback circuit configured to receive the output signal and generate the clock signal.

US Pat. No. 10,601,407

RC OSCILLATOR WITH COMPARATOR OFFSET COMPENSATION

NXP USA, Inc., Austin, T...

1. An oscillator, comprising:charging/discharging circuitry that controls voltage at a comparator input node, wherein the charging/discharging circuitry includes:
first and second capacitors and a resistor connected to the comparator input node, wherein the second capacitor is connected between the comparator input node and a relatively low supply voltage; and
switches configured to selectively connect the first capacitor and the resistor to either a relatively high supply voltage or the low supply voltage;
a comparator that generates a comparator output signal indicative of whether the voltage at the comparator input node is greater than or less than a comparator reference voltage; and
logic circuitry that generates an oscillator output signal and controls the charging/discharging circuitry based on the comparator output signal, wherein:
during a charging cycle of the oscillator, the charging/discharging circuitry drives the voltage at the comparator input node from a relatively low initial charging voltage level up to the comparator reference voltage; and
during a discharging cycle of the oscillator, the charging/discharging circuitry drives the voltage at the comparator input node from a relatively high initial discharging voltage level down to the comparator reference voltage, wherein the initial charging and discharging voltage levels are dependent upon the comparator reference voltage such that a comparator offset voltage directly affects the initial charging and discharging voltage levels;
at the end of the charging cycle, the switches are reconfigured such that (i) the resistor is connected to the low supply voltage and (ii) the first capacitor is connected to the high supply voltage; and
at the end of the discharging cycle, the switches are reconfigured such that (i) the resistor is connected to the high supply voltage and (ii) the first capacitor is connected to the low supply voltage.

US Pat. No. 10,601,406

SEMICONDUCTOR APPARATUS

Sk hynix Inc., Icheon-si...

1. A semiconductor apparatus comprising:a first voltage detection circuit configured to generate a first voltage detection signal by detecting a voltage level of a first voltage;
a second voltage detection circuit configured to generate a second voltage detection signal by detecting a voltage level of a second voltage in response to the voltage level of the second voltage, a current control signal and the first voltage detection signal; and
a storage and output circuit configured to generate a power control signal and the current control signal in response to the second voltage detection signal.

US Pat. No. 10,601,404

CONTACTLESS READABLE PROGRAMMABLE TRANSPONDER TO MONITOR CHIP JOIN

INTERNATIONAL BUSINESS MA...

1. A method comprising completing circuitry of a wireless transponder and ring oscillator by bonding a device substrate to a chip carrier and correlating a frequency of the ring oscillator with a bond quality of the device substrate and the chip carrier, wherein the wireless transponder is a contactless readable programmable transponder which utilizes a passive RFID reader to query the chip following chip join to determine active chiplets.

US Pat. No. 10,601,402

MULTIPLEXER, TRANSMISSION DEVICE, AND RECEPTION DEVICE

MURATA MANUFACTURING CO.,...

1. A multiplexer comprising:a first elastic wave filter;
one or more second elastic wave filters that have different pass bands from each other; and
a first inductance element connected to the first elastic wave filter and each of the one or more second elastic wave filters; wherein
the first elastic wave filter includes one or more first resonators defining a first signal path connecting one end and another end of the first elastic wave filter and one or more second resonators connected between the first signal path and a first reference terminal, and at least one of the one or more second resonators is connected between the one end of the first elastic wave filter and a first resonator, among the one or more first resonators, closest to the one end of the first elastic wave filter in the first signal path; and
each of the one or more second elastic wave filters includes one or more third resonators defining a second signal path connecting one end and another end of the second elastic wave filter, and one or more fourth resonators connected between the second signal path and a second reference terminal.

US Pat. No. 10,601,400

FREQUENCY TUNABLE RF FILTERS VIA A WIDE-BAND SAW-MULTIFERROIC HYBRID DEVICE

1. A filter comprising:a piezoelectric substrate;
a surface acoustic wave (SAW) device on the piezoelectric substrate and comprising interdigitated input and output transducer electrodes comprising unequal widths, wherein the input transducer electrodes are to convert an incoming radio frequency (RF) electrical signal into surface acoustic waves;
a SAW propagation path between the input and output transducer electrodes; and
a magnetostrictive film in the SAW propagation path to filter the surface acoustic waves that are at a ferromagnetic resonance frequency of the magnetostrictive film,
wherein the output transducer electrodes are to convert the filtered acoustic waves into an outgoing electrical RF signal.

US Pat. No. 10,601,398

BAW STRUCTURE HAVING MULTIPLE BAW TRANSDUCERS OVER A COMMON REFLECTOR, WHICH HAS REFLECTOR LAYERS OF VARYING THICKNESSES

Qorvo US, Inc., Greensbo...

1. A Bulk Acoustic Wave (BAW) device comprising: a substrate comprising a planar surface; a first reflector over the substrate and comprising a first plurality of reflector layers; a first BAW transducer over a first section of the first reflector that is over the planar surface of the substrate, having a first series resonance frequency, and comprising a first piezoelectric layer of a first thickness between a first top electrode and a first bottom electrode; and a second BAW transducer over a second section of the first reflector that is over the planar surface of the substrate, having a second series resonance frequency that is different than the first series resonance frequency, and comprising a second piezoelectric layer of a second thickness between a second top electrode and a second bottom electrode, wherein: the first thickness is different than the second thickness; in the first section of the first reflector beneath the first BAW transducer, each of at least two of the first plurality of reflector layers has a third thickness approximately one-quarter the wavelength (?/4) of an acoustic wave for a frequency at which an acoustic mode of a first type operates in the first BAW transducer; in the second section of the first reflector beneath the second BAW transducer, each of at least two of the first plurality of reflector layers has a fourth thickness approximately one-quarter the wavelength (?/4) of an acoustic wave for a frequency at which the acoustic mode of the first type operates in the second BAW transducer; and the third thickness is different than the fourth thickness; a second reflector over the substrate and comprising a second plurality of reflector layers; a third BAW transducer over a first section of the second reflector and comprising a third piezoelectric layer between a third top electrode and a third bottom electrode; and a fourth BAW transducer over a second section of the second reflector and comprising a fourth piezoelectric layer between a fourth top electrode and a fourth bottom electrode; wherein the third BAW transducer is laterally offset from the first BAW transducer, such that the third BAW transducer only partially overlaps the first BAW transducer.

US Pat. No. 10,601,397

RF RESONATOR ELECTRODE AND MEMBRANE COMBINATIONS AND METHOD OF FABRICATION

Zhuhai Crystal Resonance ...

1. A resonator comprising a piezoelectric membrane sandwiched between upper and lower electrodes, wherein the lower electrode comprises aluminum, wherein the piezoelectric membrane is a single crystal, and wherein the piezoelectric membrane further includes BaxSr(1-x)TiO3.

US Pat. No. 10,601,396

COPPER PILLAR BUMP PAD STRUCTURE FOR BAW DEVICES

Qorvo US, Inc., Greensbo...

1. A bulk acoustic wave (BAW) device comprising:a substrate;
a reflector on the substrate;
a piezoelectric layer on the reflector, the piezoelectric layer comprising a first opening through which a portion of the reflector is exposed;
an electrode layer on the portion of the reflector exposed through the first opening;
a passivation layer on the piezoelectric layer and the electrode layer, the passivation layer comprising a second opening through which a first portion of the electrode layer is exposed;
an under-bump metallization layer extending into the first opening of the piezoelectric layer and residing over the first portion of the electrode layer exposed through the first opening of the piezoelectric layer and the second opening of the passivation layer, and extending over the second opening and the first opening on the passivation layer; and
a copper pillar structure on the under-bump metallization layer such that the under-bump metallization layer is completely encapsulated by the copper pillar structure.

US Pat. No. 10,601,394

ELASTIC WAVE DEVICE AND MANUFACTURING METHOD THEREOF

MURATA MANUFACTURING CO.,...

1. An elastic wave device comprising:a piezoelectric substrate;
a plurality of interdigital transducer electrodes provided on the piezoelectric substrate; and
a plurality of wires provided on the piezoelectric substrate and electrically connected to the plurality of interdigital transducer electrodes; wherein
the plurality of wires includes a first wire and a second wire connected to a different potential from the first wire;
the device further comprises an interlayer insulating film made from an inorganic dielectric material and provided on the piezoelectric substrate to cover a portion of the first wire;
a portion of the second wire bridges a portion of the first wire with the interlayer insulating film provided therebetween to define a bridged area;
the device further comprises a first auxiliary wire electrode, extending from a region on an outer side portion of the interlayer insulating film to a region where the interlayer insulating film is provided at the bridged area, being laminated to a lower surface of the second wire at the region on the outer side portion of the interlayer insulating film, and being located below the interlayer insulating film and the second wire at the region where the interlayer insulating film is provided at the bridged area;
the interlayer insulating film includes first and second side surfaces located on one side and another side of the first wire, the first side surface and the second side surface are sloping surfaces that slope toward a center area of the interlayer insulating film as the side surfaces progress upward, and in the region on the outer side portion of the interlayer insulating film, a border surface between the first auxiliary wire electrode and the second wire slopes upward as the border surface nears the interlayer insulating film; and
a slope angle of the first and second side surfaces of the interlayer insulating film relative to an upper surface of the piezoelectric substrate is greater than a slope angle of the border surface between the first auxiliary wire electrode and the second wire relative to the upper surface of the piezoelectric substrate.

US Pat. No. 10,601,393

CRYSTAL RESONATOR PLATE AND CRYSTAL RESONATOR DEVICE

DAISHINKU CORPORATION, K...

1. An AT-cut crystal resonator plate including a first main surface on which a first excitation electrode is formed and a second main surface on which a second excitation electrode is formed, comprising:a substantially rectangular-shaped vibrating part having the first excitation electrode and the second excitation electrode;
a holding part protruding from a corner part of the vibrating part in a direction parallel to a Z? axis direction of the AT-cut crystal so as to hold the vibrating part; and
an external frame part configured to surround an external circumference of the vibrating part and to hold the holding part.

US Pat. No. 10,601,392

SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR

Resonant Inc., Goleta, C...

12. A filter device comprising:a substrate having a surface;
a single-crystal piezoelectric plate having front and back surfaces;
an acoustic Bragg reflector sandwiched between the surface of the substrate and the back surface of the single-crystal piezoelectric plate; and
a conductor pattern formed on the front surface of the single-crystal piezoelectric plate, the conductor pattern including a plurality of interdigital transducers (IDTs) of a respective plurality of resonators including a shunt resonator and a series resonator;
a first dielectric layer having a first thickness deposited over the IDT of the shunt resonator; and
a second dielectric layer having a second thickness less than the first thickness deposited over the IDT of the series resonator, wherein
the single-crystal piezoelectric plate and all of the plurality of IDTs are configured such that respective radio frequency signals applied to the IDTs excite respective shear primary acoustic modes within the single-crystal piezoelectric plate.

US Pat. No. 10,601,390

BALANCE FILTER

MURATA MANUFACTURING CO.,...

1. A balance filter comprising:an unbalanced terminal;
a first balanced terminal including a first terminal and a second terminal;
a second balanced terminal including a first terminal and a second terminal;
a multilayer body including a plurality of dielectric layers that are laminated;
a plurality of inductor electrodes that are laminated between the dielectric layers; and
a plurality of via electrodes that penetrate through the dielectric layers; wherein
an unbalanced-side inductor is provided between the unbalanced terminal and a ground;
a first balanced-side inductor is provided between the first terminal and the second terminal of the first balanced terminal and includes a first inductor unit, a second inductor unit, and a third inductor unit that are connected in series in order;
a second balanced-side inductor is provided between the first terminal and the second terminal of the second balanced terminal and includes a first inductor unit, a second inductor unit, and a third inductor unit that are connected in series in order;
the unbalanced-side inductor is electromagnetic-field-coupled to each of the first balanced-side inductor and the second balanced-side inductor;
each of the unbalanced-side inductor, the first balanced-side inductor, and the second balanced-side inductor is defined by at least one of the inductor electrodes, or by at least one of the inductor electrodes and at least one of the via electrodes;
inside the multilayer body, the at least one of the inductor electrodes defining the unbalanced-side inductor includes at least a lower inductor electrode and an upper inductor electrode; and
in a direction in which the dielectric layers are laminated, the at least one of the inductor electrodes defining the second inductor unit of the first balanced-side inductor and the at least one of the inductor electrodes defining the second inductor unit of the second balanced-side inductor are sandwiched between the lower inductor electrode and the upper inductor electrode of the unbalanced-side inductor.

US Pat. No. 10,601,385

RECORDING LEVEL ADJUSTMENT USING A DISTANCE TO A SOUND SOURCE

Nokia Technologies Oy, E...

1. An apparatus comprising:a recording system comprising at least one microphone;
a controller comprising a processor and a non-transitory memory, where the controller is configured to automatically adjust at least one recording parameter for an output signal from the at least one microphone based, at least partially, upon a detected clipping or a distortion of the output signal from the at least one microphone at a recording distance between the apparatus and a target sound source, where the adjustment of the at least one recording parameter is configured to prevent the detected clipping or distortion of the output signal from the at least one microphone at the recording distance, where the adjustment is based, at least partially, on the recording distance, where the controller is configured to capture the target sound source using the at least one microphone with the adjusted at least one recording parameter,
where the apparatus is a portable electronic device.

US Pat. No. 10,601,383

AMPLIFIER CIRCUIT AND TRANSIMPEDANCE AMPLIFIER CIRCUIT

PixArt Imaging Inc., Hsi...

1. An amplifier circuit, comprising:a first amplifier, comprising a voltage input terminal and a voltage output terminal;
a voltage offset providing circuit, comprising a first terminal coupled to a first predetermined voltage source, a second terminal coupled to the voltage output terminal, and a third terminal, wherein a voltage at the third terminal is higher than a voltage at the second terminal by an offset voltage; and
a voltage control capacitor, comprising a fourth terminal coupled to the third terminal, and a fifth terminal coupled to the voltage input terminal, wherein a capacitance value of the voltage control capacitor corresponds to a voltage difference between a voltage at the fifth terminal and a voltage at the fourth terminal.

US Pat. No. 10,601,380

BAND-RECONFIGURABLE AND LOAD-ADAPTIVE POWER AMPLIFIER

Purdue Research Foundatio...

1. An electronic circuit comprising an input matching network, a fixed output matching network, a transistor, and a tunable resonator, the transistor comprising:a gate connected to the input matching network;
a source connected to ground; and
a drain directly connected to an input of the tunable resonator; and the tunable resonator comprising:
a varactor; and
an inductor connected in series to the varactor; and
an output of the tunable resonator being connected to an input of the fixed output matching network; and
wherein the varactor is connected to a bias voltage source that generates a bias voltage to adjust a capacitance level of the varactor between a predetermined minimum capacitance and a predetermined maximum capacitance.

US Pat. No. 10,601,379

DIGITAL AMPLIFIER

PANASONIC INTELLECTUAL PR...

1. A digital amplifier comprising:a digital pulse width modulation (PWM) generator that generates a digital PWM signal corresponding to a digital audio signal by using a first voltage;
a first amplifier circuit that amplifies the digital PWM signal at a second voltage whose absolute value is larger than an absolute value of the first voltage;
a first low-pass filter that extracts low-frequency components, as a first analog voltage signal, from a first amplified digital PWM signal amplified by the first amplifier circuit, and outputs the low-frequency components to a load;
a second amplifier circuit that amplifies the digital PWM signal at a third voltage whose absolute value is smaller than the absolute value of the second voltage;
a second low-pass filter that extracts low-frequency components, as a second analog voltage signal, from a second amplified digital PWM signal amplified by the second amplifier circuit;
a first attenuator that attenuates the first analog voltage signal extracted by the first low-pass filter to generate a first attenuated analog voltage signal;
an error extractor that extracts an error signal based on the second analog voltage signal extracted by the second low-pass filter and the first attenuated analog voltage signal generated by the first attenuator;
a digital error signal generator that generates, from the error signal, a digital error signal whose feedback gain is adjusted, the digital error signal being generated by digitizing the error signal;
an adder that adds the digital error signal to the digital audio signal; and
a voltage supply unit that generates the third voltage that has a voltage value of a predetermined ratio to a voltage value of the second voltage by using the second voltage, and supplies the third voltage to at least the second amplifier circuit.

US Pat. No. 10,601,378

DISTRIBUTED ANTENNA SYSTEM ARCHITECTURES

CommScope Technologies LL...

1. A communication system comprising:a first unit; and
at least one second unit that is communicatively coupled to the first unit, the at least one second unit including at least one processing unit, at least one downstream signal path, and at least one upstream signal path;
wherein the first unit is configured to communicate a downstream digital transport signal from the first unit to the second unit, wherein the downstream digital transport signal includes a digital representation of an original downstream radio frequency signal received at the first unit;
wherein the second unit to which the downstream digital transport signal is communicated uses the processing unit and the downstream signal path to generate a downstream radio frequency signal for radiation from an antenna associated with the second unit from the downstream digital transport signal;
wherein the second unit is configured to communicate an upstream digital transport signal from the second unit to the first unit;
wherein the upstream digital transport signal is generated from a received upstream radio frequency signal received at the second unit using the at least one processing unit and the at least one upstream signal path, wherein the upstream digital transport signal includes a digital representation of the received upstream radio frequency signal received at the second unit; and
a feedback path configured to digitize the downstream radio frequency signal to provide a digital representation of the downstream radio frequency signal radiated from the antenna to the at least one processing unit; and
wherein the second unit is configured to pre-distort an input signal to the downstream signal path for non-linearities in the downstream signal path using the digital representation of the downstream radio frequency signal radiated from the antenna as received from the feedback path.

US Pat. No. 10,601,377

SYSTEMS AND METHODS FOR OPTIMIZING AMPLIFIER OPERATIONS

pSemi Corporation, San D...

3. A system for optimizing amplifier operations, including:(a) an amplifier configured to receive an input signal and a control signal, and generate an output signal in response to the input signal and the control signal, the output signal having a desired characteristic that includes at least one of a power level, amplifier gain, a voltage range, or a current level;
(b) a temperature probe placed at a monitoring point in the amplifier and configured to output a data representing a temperature;
(c) a measurement circuit coupled to the temperature probe and including at least a temperature detector configured to measure a temperature based on the temperature probe output data and to output a derived data signal as a function of such temperature measurement; and
(d) a feed-forward control circuit including a look-up table, the feed-forward control circuit coupled to the amplifier, to the input signal, and to the measurement circuit, the feed-forward control circuit configured to receive the derived data signal and to receive and analyze the input signal, apply the analyzed input signal and the derived data signal to the look-up table to generate the control signal, and provide the control signal to the amplifier to modify at least one operating characteristic of the amplifier as a function of at least temperature, thereby altering the desired characteristic of the output signal.

US Pat. No. 10,601,374

POWER AMPLIFIER MODULE

MURATA MANUFACTURING CO.,...

1. A power amplifier module comprising:an amplifier transistor to which a power supply voltage is supplied based on a mode signal supplied to the power amplifier module, the amplifier transistor receiving a first signal and outputting a second signal obtained by amplifying the first signal; and
a bias circuit that supplies a bias current to the amplifier transistor, wherein:
the power supply voltage is based on an average output power function according to a first operation mode or a second operation mode, and
the bias circuit includes:
a first resistor,
a first transistor that is connected in series with the first resistor and that is turned ON by a first bias control voltage which is supplied when the mode signal indicates that the first operation mode is to be used to amplify the first signal,
a second resistor, and
a second transistor that is connected in series with the second resistor and that is turned ON by a second bias control voltage which is supplied when the mode signal indicates that the second operation mode is to be used to amplify the first signal.

US Pat. No. 10,601,370

FERRITE RESONATORS USING MAGNETIC BIASING AND SPIN PRECESSION

Vida Products, Rohnert P...

1. A magnetic biased low loss unidirectional conductor that couples RF power to a ferrite resonator, comprising:a first coupling puck having a disc body with generally planar top and bottoms sides;
an array of spaced apart parallel conductor strips separated by dielectric and disposed on said top side of said disc body to form a wide pattern; and
a ferrite resonator puck disposed on said top side of said first coupling puck.

US Pat. No. 10,601,369

CRYSTAL OSCILLATOR STARTUP TIME OPTIMIZATION

Silicon Laboratories Inc....

1. An oscillation circuit that is capable of driving an externally coupled crystal to oscillate at a resonant frequency, comprising:a crystal interface for coupling to the crystal;
a crystal amplifier coupled to said crystal interface that is capable of driving the crystal when activated to initiate and maintain oscillation;
a level detector having an input coupled to said crystal interface and having an output, wherein said level detector is capable of providing an oscillation indication at said output when a target amplitude is detected at said input;
a timing circuit; and
a controller that is capable of activating said crystal amplifier, that is capable of using said timing circuit and said level detector to measure a startup time of oscillation at said crystal interface, and that is capable of calculating a wake up time for the oscillation circuit.

US Pat. No. 10,601,367

SYSTEM FOR REDIRECTING SUNLIGHT TO A MOBILE PLATFORM

THE BOEING COMPANY, Chic...

1. A system for redirecting sunlight to a mobile platform, the system comprising:a mobile platform configured to travel along a path at a velocity, the mobile platform comprising:
a first radio frequency (RF) antenna configured to transmit a message including a position of the mobile platform on the path, the velocity, and a time of transmission, and
a photovoltaic cell configured to receive a beam of light and convert the beam of light into electrical energy; and
a satellite comprising:
a second RF antenna configured to receive the message from the mobile platform;
an optical channel;
a collector system coupled to the optical channel and configured to gather sunlight into the optical channel;
a diffuser system coupled to the optical channel and configured to diffuse light from the optical channel to generate the beam of light; and
a processor coupled to the second RF antenna and configured to:
compute a target position of the mobile platform based on the position, the velocity, and the time of transmission; and
instruct the diffuser system to direct the beam of light to the target position of the mobile platform.

US Pat. No. 10,601,366

FLUIDIC ACTUATOR SYSTEM AND METHOD

SUNFOLDING, INC., San Fr...

1. A pneumatically actuated solar panel array system comprising:a plurality of separate actuator assemblies that each include:
a planar top plate having a first and second side portion with a central portion between the first and second side portions,
an angled bottom plate disposed below the planar top plate and rotatably coupled to the planar top plate at the central portion between the first and second side portions via a rotatably coupling joint disposed at an apex of the angled bottom plate, the angled bottom plate having an opposing first side face and second side face,
a first cavity defined by the first side portion of the planar top plate and the first side face of the angled bottom plate,
a second cavity defined by the second side portion of the planar top plate and the second side face of the angled bottom plate,
a first set of one or more inflatable actuators disposed within the first cavity, the first set of one or more inflatable actuators extending between and engaging the first side portion of the planar top plate and the first side face of the angled bottom plate,
a second set of one or more inflatable actuators disposed within the second cavity, the second set of one or more inflatable actuators extending between and engaging the second side portion of the planar top plate and the second side face of the angled bottom plate, and
the first and second sets of inflatable actuators being configured to be separately pneumatically inflated, where the pneumatic inflation expands the inflatable actuators to control the pressure ratio between the first and second sets of inflatable actuators and to rotate the top plate relative to the bottom plate; and
a plurality of solar panels coupled to the top plates of the actuator assemblies, the solar panels configured to be actuated based on inflation of the one or more inflatable actuators associated with the plurality of actuator assembles.

US Pat. No. 10,601,365

MASS DAMPER FOR SOLAR TRACKER

NEXTRACKER INC., Fremont...

1. A method of operating a solar tracker system, comprising:providing the solar tracker system comprising:
a plurality of solar modules configured spatially along a torque tube from a first end to a second end;
a panel rail configured to support each of the plurality of solar modules;
a clamp device configured to couple each panel rail to the torque tube; and
a mass damper structure comprising a mechanical isolator comprising an elastic material coupled between a panel rail and the torque tube; and
causing destructive interference, using the mechanical isolator, with a natural resonant frequency of the solar tracker system.

US Pat. No. 10,601,364

SOLAR WIND FENCE FOR AN ARRAY OF TRACKERS

NEXTRACKER INC., Fremont...

1. A solar tracker array comprising:a plurality of solar trackers arranged in a generally north-south orientation, each solar tracker including:
a drive device;
a rotatable torque tube coupled to the drive device; and
a plurality of solar modules arranged spatially along and supported by the rotatable torque tube; and
a controller, wherein the controller is configured to:
periodically determine a strength and direction of wind,
cause the drive device to rotate a first solar tracker of the plurality of solar trackers to a position where the plurality of solar modules supported by the first solar tracker act as a wind shield for a second solar tracker of the plurality of solar trackers when the wind exceeds a predetermined speed from a predetermined direction, wherein the plurality of solar modules supported by the first solar tracker are rotated to a non-zero angle with respect to a horizontal direction normal to a direction of gravity to change a direction of on-coming wind to move substantially over a plurality of solar modules supported by the second solar tracker, and
cause the drive device to rotate the second solar tracker of the plurality of solar trackers to a position wherein the plurality of solar modules supported by the second solar tracker are arranged substantially normal to the direction of gravity.

US Pat. No. 10,601,363

DEVICE AND METHOD OF A ROTATABLE PHOTOVOLTAIC PANEL MOUNT

Kim Rubin, Menlo Park, C...

1. A device to rotate a photovoltaic (PV) panel comprising:a moving frame, configured to receive the PV panel, and configured to rotate around a pivot axis, comprising a first rotational position and a second rotational position;
a hinge, comprising the pivot axis, operatively connected between the moving frame and a support structure;
a spring operatively connected between the moving frame and the support structure;
a rotational damper operatively connected between the moving frame and the support structure;
a release latch operatively connected between the moving frame and the support structure;
a release trigger operatively connected to the release latch;
wherein the moving frame is configured to rotate around the pivot axis from the first rotational position to the second rotational position;
wherein the spring provides a rotational torque on the moving frame from the first rotational position to the second rotational position;
wherein the damper provides rotational damping of the moving frame;
wherein the release latch holds the moving frame in the first rotational position until released by an operation of the release trigger; and
wherein the moving frame obstructs a roof access region in the first rotational position and does not obstruct the roof access region in the second rotational position.

US Pat. No. 10,601,362

TILE REPLACEMENT SOLAR MOUNTING SYSTEM

PEGASUS SOLAR INC., Rich...

1. A solar panel mounting assembly comprising:an attachment bracket having at least one flat section and a raised section, wherein the raised section includes a post slot;
a post with a first internal threaded section on a first terminal end of the post and a second threaded section on a second terminal end of the post;
a threaded T-bolt coupling mechanism, the threaded T-bolt cooperating with the first internal threaded section and configured to traverse the post slot of the attachment bracket and couple the post with the attachment bracket; and
a tile replacement flashing having a top surface and at least one side surface defining a cavity opposite the top surface, wherein the top surface includes a conical protrusion extending away from the top surface, the conical protrusion including an aperture configured to allow the post and the threaded T-bolt to traverse therethrough.

US Pat. No. 10,601,360

REPLACEMENT TILE MOUNT FOR MOUNTING SOLAR PANELS ON TILE ROOFS

Unirac Inc., Albuquerque...

17. A replacement tile sub-assembly, for mounting solar panels to a roof, comprising:a tile mount structure for holding a lateral attachment bar, including a one-piece, monolithic “L”-shaped structure having a horizontal base defining a pair of vertically-oriented through-holes;
an integral, monolithic riser defining a vertically-oriented mounting hole in a top platform of the riser, the monolithic riser including:
four vertical legs supporting the top platform, each vertical leg of the four vertical legs being tapered from the closed top platform to the horizontal base;
a flashing disposed in-between the tile mount structure and a roof;
a pair of lag screws for attaching the tile mount structure to the roof;
a pair of rubber or EDPM soft washers disposed in-between a head of the lag screws and the horizontal base of the tile mount structure;
a replacement tile disposed on top of the tile mount structure; and
an L-foot, mounted to the tile mount structure with at least one self-tapping screw or machine bolt.

US Pat. No. 10,601,358

COMPREHENSIVE SMART-CLAMP STRATEGY FOR INVERTER SYSTEMS

GM GLOBAL TECHNOLOGY OPER...

1. An electric motor control system of a vehicle, comprising:a current command module configured to, based on a motor torque request for an electric motor of the vehicle, generate a d-axis current command for the electric motor and a q-axis current command for the electric motor;
a voltage command module configured to generate voltage commands based on the d-axis current command and the q-axis current command;
a switching control module configured to:
based on the d-axis current command and the q-axis current command, determine a first duty cycle command for a phase of the electric motor;
generate a second duty cycle command directly based on the first duty cycle command, a predetermined minimum period to transition switches of an inverter module from OFF to ON, a predetermined switching period, a predetermined deadtime period when both of the switches are OFF before one of the switches is turned ON, and whether a current of the phase is positive or negative,
wherein the switches are connected between an energy storage device and the phase of the electric motor; and
based on the second duty cycle command, control switching of the switches the inverter module and control application of power from the energy storage device to the phase of the electric motor.

US Pat. No. 10,601,356

FREQUENCY CONVERTER, BYPASS FREQUENCY CONVERSION CONTROL SYSTEM AND SWITCHING CONTROL METHOD THEREOF

OTIS ELEVATOR COMPANY, F...

1. A frequency converter accessing a network voltage signal with a corresponding first frequency and first phase, wherein the frequency converter is configured to operate in tracking and synchronization mode, and in tracking and synchronization mode, the frequency converter tracks the first frequency and first phase of the network voltage signal in order to synchronize the second frequency and second phase of its output voltage signal with the first frequency and corresponding first phase of the network voltage signal;wherein the frequency converter comprises;
a sampling module configured to sample the network voltage signal to acquire the first frequency and first phase, and to sample the voltage signal output by the frequency converter to acquire the second frequency and second phase;
an output voltage and frequency control module configured to cause the second frequency of the voltage signal output by the frequency converter to tend toward synchronization with the first frequency of the network voltage signal when in tracking and synchronization mode, and configured to cause the second phase of the voltage signal output by the frequency converter to tend toward synchronization with the first phase of the network voltage signal when synchronization between the second frequency and first frequency has been achieved; and
a phase lock module configured to determine that the second frequency and second phase of the output voltage signal are synchronized with the first frequency and first phase of the network voltage signal when in tracking and synchronization mode.

US Pat. No. 10,601,355

CLOSED-LOOP CONTROL OF LINEAR RESONANT ACTUATOR USING BACK EMF AND INERTIAL COMPENSATION

Apple Inc., Cupertino, C...

1. A system comprising:a linear resonant actuator (LRA) including a frame, one or more coils mounted to the frame and operable to generate a magnetic field, and a mass including magnetic portions positioned within the frame and configured to move within the frame along a movement axis;
drive electronics coupled to the linear resonant actuator (LRA) and to the one or more coils;
one or more inertial sensors;
a closed-loop controller coupled to the one or more inertial sensors and the drive electronics, the controller configured to:
estimate a coil resistance of the one or more coils;
compute an estimated linear acceleration of the mass based on signals from the one or more inertial sensors;
compute a disturbance rejection feedforward compensation signal based on the estimated linear acceleration, the estimated coil resistance and a motor constant;
compute a position feedforward compensation signal based on a reference position of the mass;
compute an estimated velocity of the moving mass based on output signals of the drive electronics and the estimated coil resistance;
compute an actuator control signal based on a difference between the estimated mass velocity and a reference mass velocity;
compute a compensated actuator control signal by compensating the actuator control signal with the disturbance rejection feedforward compensation signal and the position feedforward compensation signal; and
provide the compensated actuator control signal to the drive electronics, the compensated actuator signal causing the drive electronics to adjust coil current in the one or more coils.

US Pat. No. 10,601,351

MOTOR CONTROL APPARATUS, MOTOR CONTROL METHOD, AND PROGRAM

CANON KABUSHIKI KAISHA, ...

1. A motor control apparatus that controls a stepping motor, the apparatus comprising:a calculation unit configured to determine a time with respect to a distance of n-th step (n is a positive integer) to calculate a step time, which is a pulse signal application time with respect to the stepping motor, based on a theoretical formula expressing a parameter in an acceleration period or a deceleration period of the stepping motor,
wherein the calculation unit includes a first calculation unit configured to apply an iterative root-finding procedure to a distance which is a function of a time included in the theoretical formula to determine the time with respect to the distance of the n-th step expressed using a reciprocal of a derivative of the function,
a second calculation unit configured to apply the iterative root-finding procedure to the reciprocal of the derivative to determine the reciprocal of the derivative at a time when the first calculation unit determines the time with respect to the distance of the n-th step, and
wherein number of loops according to the iterative root-finding procedure in the second calculation unit is smaller than number of loops according to the iterative root-finding procedure in the first calculation unit.

US Pat. No. 10,601,350

MOTOR DEVICE, MOTOR DRIVING CONTROL DEVICE AND MOTOR DRIVING METHOD

MINEBEA MITSUMI INC., Na...

1. A motor device comprising:a motor;
a motor driving control device for controlling driving of the motor; and
a position detector for outputting a position detection signal according to a position of a rotor of the motor, wherein
the motor includes magnetic poles and a plurality of coils respectively wound around a plurality of teeth, and a number of the magnetic poles is a number obtained by multiplying a positive integer n by 6,
a number of combinations each including the tooth and the coil wound around the tooth is a number obtained by multiplying the positive integer n by 4,
each of the plurality of coils is contained in first-system coils connected to each other in series or second-system coils connected to each other in series,
the combinations each including the tooth and the coil wound around the tooth are arranged in a peripheral direction such that the first-system coils and the second-system coils are alternately arranged,
the motor driving control device includes a first drive circuit and a second drive circuit,
each of the first drive circuit and the second drive circuit includes an inverter circuit and a control circuit portion for controlling an operation of the inverter circuit based on the position detection signal,
the inverter circuit of the first drive circuit energizes the first-system coils under control of the control circuit portion of the first drive circuit, and
the inverter circuit of the second drive circuit energizes the second-system coils at an energization timing different from an energization timing of the first-system coils under control of the control circuit portion of the second drive circuit.

US Pat. No. 10,601,349

ACTUATING APPARATUS FOR A MOTOR AND METHOD FOR ACTUATING A MOTOR

Airbus Defence and Space ...

1. An actuating apparatus for a motor, comprising:at least three phase connections for connection with a respective phase of the motor;
a high-connection for applying of a supply voltage;
a low-connection for applying of a reference potential of the supply voltage;
at least three bridge branches having a series connection of a high-switch and a low-switch in each case;
a control device for actuating the switches of the bridge branches;
wherein the high-switch of each one of the bridge branches is connected to the high-connection;
wherein the low-switch of each one of the bridge branches is connected to the low-connection;
wherein each of the at least three phase connections is connected to exactly one of the at least three bridge branches between the high-switch and the low-switch of the respective bridge branch;
wherein the control device is configured for actuating the switches of the bridge branches in such a manner that during a first time period a first phase connection of the three phase connections is switched to passive and the second phase connection and third phase connection are alternatingly connected to the high-connection and the low-connection in a predetermined duty cycle if the supply voltage is applied,
wherein the control device is configured for measuring a first induced voltage differential in the passive first phase connection during the first time period, and
wherein the first induced voltage differential is created from voltages induced by alternatingly connecting the second phase connection and the third phase connection to the high-connection and the low-connection in the predetermined duty cycle.

US Pat. No. 10,601,348

SENSOR-LESS CONTROL OF AN ELECTRIC MOTOR

GM GLOBAL TECHNOLOGY OPER...

1. A system comprising:a switching module configured to switch between receiving a first output from a sensor indicating a rotor position error of a motor and receiving a second output from a sensor-less position detection module indicating a second rotor position error of the motor;
a position determining module configured to determine a rotor position of the motor based on an output of the switching module and to generate a control signal to control a parameter of the motor; and
a sample and hold module configured to perform a sample and hold operation when the switching module switches between the first and second outputs, the sample and hold operation being performed on a sum of the output of the switching module and an output of the sample and hold module from a prior instance of switching between the first and second outputs,
wherein the position determining module is further configured to:
scale the output of the sample and hold module using first and second gains to generate first and second scaled outputs; and
generate the control signal based on the output of the switching module and the first and second scaled outputs,
wherein the first and second gains control a response of the position determining module to a disturbance generated when the switching module switches between the first and second outputs.

US Pat. No. 10,601,347

VARIABLE ELECTRIC MOTOR SYSTEM AND ELECTRICALLY POWERED DEVICE THEREOF

MITSUBISHI HEAVY INDUSTRI...

1. A variable electric motor system comprising:an electrically powered device that generates rotational driving force;
a transmission device that changes speed of the rotational driving force generated by the electrically powered device; and
a driving target that is driven by the rotational driving force from the electrically powered device,
the transmission device including:
a sun gear that rotates about an axis;
a sun gear shaft that is fixed to the sun gear and extends in an axial direction centered on the axis;
a planet gear that meshes with the sun gear, revolves around the axis, and rotates about its own center line;
an internal gear that has a plurality of teeth arranged in an annular shape centered on the axis, and meshes with the planet gear;
a planet gear carrier that has a planet gear carrier shaft extending in the axial direction centered on the axis, and supports the planet gear so as to allow the planet gear to revolve around the axis and to rotate about its own center line; and
an internal gear carrier that has an internal gear carrier shaft extending in the axis direction centered on the axis, and supports the internal gear so as to allow the internal gear to rotate about the axis,
one of the sun gear shaft, the planet gear carrier shaft, and the internal gear carrier shaft constituting an output shaft connected to a rotor of the driving target, another shaft constituting a constant-speed input shaft, and the other shaft constituting a variable-speed input shaft,
the electrically powered device including:
a constant-speed electric motor having a constant-speed rotor that rotates about the axis and is connected directly or indirectly to the constant-speed input shaft of the transmission device; and
a variable-speed electric motor having a variable-speed rotor that rotates about the axis and is connected directly or indirectly to the variable-speed input shaft of the transmission device;
of the variable-speed rotor and the constant-speed rotor, a first rotor having a shaft insertion hole formed therethrough in the axial direction, the shaft insertion hole having a cylindrical shape centered on the axis, and a second rotor being inserted through the shaft insertion hole of the first rotor, and
the rotor of the driving target being disposed on the axis,
wherein the variable-speed rotor is the first rotor,
the constant-speed rotor is divided into a constant-speed rotor main body shaft and the constant-speed rotor extension shaft that is inserted through the shaft insertion hole; and
the system further comprises a constant-speed flexible coupling that connects the constant-speed rotor main body shaft and the constant-speed rotor extension shaft.

US Pat. No. 10,601,344

TRIBOELECTRIC ENERGY HARVESTING DEVICE AND METHOD FOR MANUFACTURING SAME

INDUSTRY-ACADEMIC COOPERA...

1. A triboelectric energy harvesting device comprising:a first frictional layer provided with a first surface having first electron affinity; and
a second frictional layer provided with a second surface facing the first surface and having second electron affinity,
wherein at least one of the first and second frictional layers is formed of an elastic material and is provided in an elastic structure,
wherein the first frictional layer comprises a spacer formed on thy: first surface to form a space part between the first and the second frictional layers such that the second surface is spaced apart from the first surface, and an end of the spacer being brought into contact with the second surface,
wherein the spacer has elasticity, the spacer being formed of the same material as the first surface of the first frictional layer, and
wherein the spacer is formed in a lattice structure on the first surface.

US Pat. No. 10,601,341

NEUTRAL POINT CLAMPED MULTIPLE-LEVEL SWITCHING UNIT FOR VOLTAGE INVERTER OR RECTIFIER

1. A neutral point clamped multiple-level switching unit comprising four series-connected switches (K1, K2, K3, K4), wherein an electric path in the four series-connected switches approximately follows a T shape, two (K2, K3) of the switches located in the middle of the series-connected switches being arranged in a foot of the T shape, each of said two switches (K2, K3) is series-connected with a first and a second diode (Dh, Dl) respectively, between a first output terminal (15) and a second output terminal (17) of the neutral point clamped multiple-level switching unit,the unit being formed on at least one printed circuit wafer (60, 61, 62) defining conductive areas for receiving components and contact transfer wires, the at least one printed circuit wafer comprising two coplanar wafers (61, 62) respectively receiving at least the first and second switches (K1, K2) and the third and fourth switches (K3, K4), each of the two coplanar wafers comprising a conductive area (612, 617) defining one of the separate nodes (171, 172) of the connection of one of the first and second diodes (Dh, Dl);
wherein a node between said two switches defines the first output terminal (15) of the neutral point clamped multiple-level switching unit,
and wherein:
the four series-connected switches are connected between two input terminals (11, 13) of the unit;
a node (16) between a first switch (K1) and a second switch (K2) is coupled, by the first diode (Dh), to the second output terminal (17) of the neutral point clamped multiple-level switching unit;
a node (18) between a third switch (K3) and a fourth switch (K4) is coupled, by the second diode (Dl), to the second output terminal (17) of the unit, said two switches being the second and third switches; and
the first and second diodes (Dh, Dl) are connected to the separate nodes (171, 172) that are interconnected to the second output terminal (17).

US Pat. No. 10,601,340

SUBMODULE AND ELECTRICAL ARRANGEMENT HAVING SUBMODULES

Siemens Aktiengesellschaf...

1. A submodule for a converter, a multilevel converter, or an electrical configuration, the submodule comprising:a first outer electrical terminal for an electrical configuration;
a second outer electrical terminal for the electrical configuration;
at least one bypass switching device electrically connected between said first and second outer electrical terminals and in an on-state causes an electrical short-circuit between said first and second outer electrical terminals, said bypass switching device containing:
a first thyristor having an anode terminal, a cathode terminal and a trigger terminal and is connected by said anode terminal to said first outer electrical terminal and by said cathode terminal to said second outer electrical terminal;
a second thyristor having an anode terminal connected to said second outer electrical terminal, a cathode terminal connected to said first outer electrical terminal and trigger terminal;
a first triggering device, connected to said trigger terminal of said first thyristor, for triggering said first thyristor, wherein said first triggering device is electrically connected between said trigger terminal of said first thyristor and said second outer electrical terminal;
a first switch, which in an on-state connects said anode terminal of said first thyristor to said trigger terminal of said first thyristor, and therefore said first outer electrical terminal, to said trigger terminal of said first thyristor;
a second switch, said second switch in an on-state connects said anode terminal of said second thyristor, and therefore said second outer electrical terminal, to said trigger terminal of said second thyristor;
a second triggering device electrically connected between said trigger terminal of said second thyristor and said first outer electrical terminal:
at least one control device, which in a presence of a bypass activation signal activates said first and second triggering devices with a triggering signal and closes said first and second switches; and
said at least one control device is configured in such a way that said control device applies triggering signals for triggering said first and second thyristors to said trigger terminal at least until said first and second switches have reached the on-state.

US Pat. No. 10,601,337

SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE

Mitsubishi Electric Corpo...

1. A semiconductor device comprising:a P-type SOI substrate having an insulating layer and a P-type SOI layer laminated on the insulating layer;
an N-type first region that is provided on a principal surface of the P-type SOI layer and has a concave portion at which a part of a peripheral edge of the N-type first region is concaved in a plane direction of the principal surface of the P-type SOI layer in plan view of the principal surface of the P-type SOI layer;
an annular trench that is annularly provided in a center region of the N-type first region in plan view of the principal surface of the P-type SOI layer so as to reach the insulating layer of the P-type SOI substrate, and filled with an insulating material therein;
an N-type second region that is provided inside the annular trench in plan view of the principal surface of the P-type SOI layer;
an N-type third region that is provided inside the concave portion of the N-type first region so as to be away from an edge of the concave portion in plan view of the principal surface of the P-type SOI layer, and in which a level-shift device is formed; and
a P-type isolation region that extends along a boundary between the N-type third region and the concave portion of the N-type first region in plan view of the principal surface of the P-type SOI layer, and includes a first isolation portion interposed between the N-type second region and the N-type third region, and a second isolation portion interposed between the N-type first region and the N-type third region.

US Pat. No. 10,601,336

POWER SUPPLY

WENTAI TECHNOLOGY CORPORA...

1. A power supply comprising:four rectifying elements for generating a full-wave rectified output voltage according to an AC input voltage to drive a load, the four rectifying elements having at least one control end for receiving at least one control signal to control a resistance of the four rectifying elements during at least one half cycle of a positive half cycle and a negative half cycle of the AC input voltage;
a driving circuit unit coupled with the four rectifying elements for generating the at least one control signal according to a pulse modulation signal;
a load power measurement unit for measuring a power of the load;
a digital microcontroller unit coupled with the driving circuit unit and the load power measurement unit to determine a duty ratio of the pulse modulation signal according to the power to drive the driving circuit unit, so as to adjust the resistance of the four rectifying elements according to different values of the power, and thereby increase a power conversion efficiency of the power supply, wherein the digital microcontroller unit has a memory unit to store a control program;
at least one of the four rectifying elements having a variable resistance controlled by one of the at least one control signal; and
the at least one of the four rectifying elements including a diode and a transistor, wherein two ends of the diode are connected in parallel with a channel of the transistor, wherein a control end of the transistor is coupled with one of the at least one control signal, wherein the transistor is a field effect transistor.

US Pat. No. 10,601,334

FLYBACK SWITCHING POWER SUPPLY

1. A flyback switching power supply comprising: a transformer, a first switch transistor, a second switch transistor, a second capacitor, and a first diode, wherein the first switch transistor and the second switch transistor are both N-channel field-effect transistors, the transformer comprises a first primary-side winding, a second primary-side winding, and a secondary-side winding, an undotted terminal of the secondary-side winding is connected to a drain of the second switch transistor, a source of the second switch transistor is connected to one end of the second capacitor to form a positive output, and a dotted terminal of the secondary-side winding is connected to the other end of the second capacitor to form a negative output; a positive terminal of an input DC power supply is connected to both a dotted terminal of the first primary-side winding and a cathode of the first diode, and an undotted terminal of the first primary-side winding is connected to a drain of the first switch transistor; an anode of the first diode is connected to an undotted terminal of the second primary-side winding, a source of the first switch transistor is connected to a dotted terminal of the second primary-side winding, and a connection point is also connected to a negative terminal of the input DC power supply; a gate of the first switch transistor is connected to a primary-side control signal; wherein the first primary-side winding and the second primary-side winding are bifilar-wound, the flyback switching power supply further comprises a first capacitor, one end of the first capacitor is connected to the undotted terminal of the first primary-side winding, the other end of the first capacitor is connected to the undotted terminal of the second primary-side winding, and a gate of the second switch transistor is connected to a secondary-side control signal.

US Pat. No. 10,601,333

FEEDFORWARD ENHANCED FEEDBACK CONTROL IN ISOLATED SWITCHED-MODE POWER CONVERTERS WITH SECONDARY-SIDE RECTIFIED VOLTAGE SENSING

Infineon Technologies Aus...

1. A switched-mode power converter using an isolated topology for converting power from an input source into power for an output load, the switched-mode power converter comprising:a power stage coupled to the input source and comprising one or more power switches;
a transformer comprising a primary winding coupled to the power stage, and a secondary winding;
a rectifier circuit coupled to the secondary winding and configured to provide a first rectified voltage at a first rectified voltage node;
a filter circuit interposed between the first rectified voltage node and an output of the switched-mode power converter, and configured to filter the first rectified voltage, thereby providing a filtered voltage at the output; and
a secondary-side controller configured to:
sense the first rectified voltage and generate a feedforward signal based on the sensed first rectified voltage;
sense the output voltage and generate a feedback error signal based upon the sensed output voltage and a reference voltage that provides a regulation target for an output voltage at the output;
generate switch control signals for controlling the one or more power switches based upon the feedforward signal and the feedback error signal; and
detect that a change in the sensed first rectified voltage is above a nonzero voltage change threshold and, responsive to this detection, alter an operational mode of the controller for one or more cycles of the switched-mode power converter,
wherein the feedforward signal is generated so as to decrease an interval of energy transfer across the transformer in response to an increase in the sensed first rectified voltage.

US Pat. No. 10,601,332

ISOLATED DC-DC CONVERTER

TEXAS INSTRUMENTS INCORPO...

1. An isolated DC-DC converter, comprising:an input node for receiving an input voltage;
a transformer including a primary side having first and second terminals and a primary side ground;
first and second low-side switches, the first low-side switch coupled between the first terminal and the primary side ground, and the second low-side switch coupled between the second terminal and the primary side ground, wherein a first voltage is across the first low-side switch, and a second voltage is across the second low-side switch;
first and second high-side switches, the first high-side switch coupled between the first terminal and the input node and configured to be activated by a voltage at the second terminal, and the second high-side switch coupled between the second terminal and the input node and configured to be activated by a voltage at the first terminal; and
a switch controller to cause the first and second voltages to alternatingly be zero, by: closing the first low-side switch when the first voltage is zero; during a first phase, opening the first low-side switch at a time to enable a current through the primary side to charge the first terminal to the input voltage while discharging the second terminal to reduce the second voltage to zero; closing the second low-side switch when the second voltage is zero; and during a second phase, opening the second low-side switch at a time to enable the current through the primary side to charge the second terminal to the input voltage while discharging the first terminal to reduce the first voltage to zero.

US Pat. No. 10,601,331

FORWARD CONVERTER WITH SELF-DRIVEN BJT SYNCHRONOUS RECTIFIER

Littlefuse, Inc., Chicag...

1. A method comprising:providing a pair of self-driven BJT (Bipolar Junction Transistor) synchronous rectifiers and a pair of inductors in a secondary side of a switching converter circuit, wherein each of the self-driven BJT synchronous rectifiers includes a bipolar transistor and a diode disposed in parallel with the bipolar transistor such that the anode of the diode is coupled to a collector of the bipolar transistor and such that a cathode of the diode is coupled to an emitter of the bipolar transistor, wherein a base terminal of a first bipolar transistor of a first synchronous rectifier is connected to a base terminal of a second bipolar transistor of a second synchronous rectifier, wherein the pair of inductors comprises a first inductor having a first end and a second end and a second inductor having a first end and a second end, wherein the second end of the first inductor is coupled to a first collector of the first bipolar and a second collector of the second bipolar transistors, wherein the first end of the second inductor is coupled to the first end of the first inductor, and wherein the second end of the second inductor is coupled to the base terminal of the first bipolar transistor and the base terminal of the second bipolar transistor.

US Pat. No. 10,601,330

TERTIARY WINDING FOR COUPLED INDUCTOR STRUCTURES

Apple Inc., Cupertino, C...

1. A system, comprising:an inductor, including a first wire, a second wire, and a third wire, wherein the third wire is between, and inductively coupled to, the first wire and the second wire;
a voltage regulating circuit, coupled to a first end of the first wire and a first end of the second wire, and configured to generate a first current through the first wire corresponding to a first power signal, and a second current through the second wire corresponding to a second power signal, different from the first power signal;
a load coupled to a second end of the first wire and a second end of the second wire; and
a current detecting circuit, coupled to ends of the third wire, and configured to generate an output signal based on a magnitude of a third current through the third wire, wherein the third current is generated by the inductive coupling to the first and second wires and is based on a difference between a magnitude of the first current and a magnitude of the second current;
wherein the voltage regulating circuit is further configured to adjust the magnitude of the first current in response to a determination that a voltage level of the output signal satisfies a first threshold level.

US Pat. No. 10,601,329

SWITCHING REGULATOR AND POWER SWITCH CONTROLLER CIRCUIT THEREOF

RICHTEK TECHNOLOGY CORPOR...

1. A switching regulator, comprising:a power stage circuit, including an inductor and at least one power switch; wherein the least one power switch is coupled to the inductor and is configured to operate according to a switch control signal, to control a conduction status of the inductor, thereby converting an input power to an output power;
an auxiliary winding, wherein the auxiliary winding and the inductor form a transformer, to generate a controller supply voltage;
a start-up switch coupled between an input voltage related signal and the controller supply voltage, wherein the input voltage related signal is related to an input voltage of the input power; and
a power switch controller circuit coupled to the power stage circuit, wherein the power switch controller circuit is powered by the controller supply voltage and is configured to operably generate the switch control signal, and, wherein the power switch controller circuit is configured to operably control the start-up switch, the power switch controller circuit including:
a multifunction pin, which is coupled to a control terminal of the start-up switch and which is configured to operably deliver different signals with different functions under at least two different modes, respectively;
a start-up controller circuit, which is coupled to a control terminal of the start-up switch via the multifunction pin and which is configured to operably generate a start-up signal under a start-up mode, wherein the start-up signal is delivered to the control terminal of the start-up switch through the multifunction pin, so that when the controller supply voltage does not exceed a start-up voltage threshold, the start-up controller circuit controls the start-up switch to be ON, and when the controller supply voltage exceeds the start-up voltage threshold, the start-up controller circuit controls the start-up switch to be OFF; and
a feedback compensation circuit, which includes an error amplifier circuit, wherein an output terminal of the feedback compensation circuit is coupled to the multifunction pin, the feedback compensation circuit being configured to operably generate a compensation signal at the multifunction pin under an operation mode, so that when the controller supply voltage exceeds the start-up voltage threshold, the power switch controller circuit generates the switch control signal according to the compensation signal.

US Pat. No. 10,601,328

POWER CONVERSION DEVICE

Mitsubishi Electric Corpo...

1. A power conversion device, comprising:a plurality of power conversion circuits which are provided inside a single casing and connected in parallel to each other;
a plurality of controllers which carry out control of respective power conversion circuits from among the plurality of power conversion circuits; and
a plurality of control power supplies which carry out the supply of power to respective controllers from among the plurality of controllers, wherein
the plurality of power conversion circuits each include:
a transformer having a primary winding and a secondary winding;
semiconductor switching elements connected to the primary winding;
rectifier circuits connected to the secondary winding;
a smoothing reactor connected to the output side of the rectifier circuits; and
a smoothing capacitor connected between the smoothing reactor and the ground, and wherein
the plurality of power conversion circuits are controlled independently of each other.

US Pat. No. 10,601,327

ISOLATED DC/DC CONVERTER AND METHOD FOR CONVERTING VOLTAGE WITH AN ISOLATED DC/DC CONVERTER

VALEO SIEMENS EAUTOMOTIVE...

1. An isolated DC/DC converter comprising:a first arm comprising switches in series, the first arm being connected to the input of the converter;
a second arm comprising switches in series;
an inductor connected between the centre points of the first and the second arm, and having a first terminal directly connected to the centre point of the two switches of the first arm and a second terminal directly connected to the centre point of the second arm;
a capacitor connected between the end terminals of the second arm, said capacitor being connected to a high-side switch of the second arm and to the low-side switch of the second arm, at a respective terminal that is different from the centre point of the second arm;
a third arm comprising a magnetic component, the third arm being connected to the centre point of the second arm;
in which successions of opening and closing operations of the switches allow an input voltage to be converted into an output voltage by means of the magnetic component.

US Pat. No. 10,601,326

LOW VOLTAGE STRESS FLYBACK CONVERTER WITH CONTINUOUS INPUT CURRENT

Korea Aerospace Research ...

1. A flyback converter, comprising:a transformer comprising a primary winding and a secondary winding, the transformer for transforming a power inputted from an input power supply and outputting the transformed power;
a switching part having one end connected to the primary winding and another end connected to a ground of the input power supply;
an auxiliary circuit including an auxiliary capacitor, and an auxiliary winding coupled to the primary winding; and
a clamping diode,
wherein the auxiliary circuit is connected to the switching part in parallel,
wherein the auxiliary capacitor and the auxiliary winding are connected to each other in series,
wherein the auxiliary winding is connected to a contact of the primary winding and the switching part, and one end of the auxiliary capacitor is connected to the other end of the switching part,
wherein the switching part includes a first switch and a second switch connected to each other in series, an anode of the clamping diode is connected to a contact of the first switch and the second switch, and a cathode of the clamping diode is connected to a contact of the auxiliary winding and the auxiliary capacitor, and
wherein a voltage applied to the auxiliary capacitor is equal to a input voltage of the input power supply.

US Pat. No. 10,601,325

DC-TO-DC CONVERTER CIRCUIT AND CIRCUIT BOARD LAYOUT STRUCTURE FOR THE SAME

DELTA ELECTRONICS, INC., ...

1. A DC-to-DC converter circuit electrically connected between a first power supply side and a second power supply side, comprising:a first branch with a primary side coupled to the first power supply side and a secondary side coupled to the second power supply side;
a second branch with a primary side coupled to the first power supply side and a secondary side coupled to the second power supply side; and
a first inductor,
wherein, the secondary sides of the first branch and the second branch are connected in series via the first inductor,
wherein, the primary side of the first branch and the primary side of the second branch are connected in parallel,
wherein primary switching circuits in the first branch and the second branch have a duty ratio which is set to enable the first branch and the second branch to output an output current of zero-ripple, and the duty ratio is any value in a range of 20% to 30%.

US Pat. No. 10,601,324

SWITCHED TANK-TRANSFORMER BASED HIGH STEP-DOWN RATIO DC-DC CONVERTER

NVIDIA Corp., Santa Clar...

7. A system comprising:a DC-DC converter configured to receive an input signal and generate an output signal, wherein the DC-DC converter comprises:
a switched tank converter configured to output a switching waveform;
a transformer coupled to the switched tank converter to receive the switching waveform output by the switched tank converter across a primary winding of the transformer;
a synchronous rectifier coupled to the DC-DC converter and configured to rectify the output signal generated by the DC-DC converter;
an integrated circuit (IC) device coupled to the synchronous rectifier to receive the rectified output signal; and
wherein the switched tank converter comprises an interleaved switch tank converter.

US Pat. No. 10,601,323

PEAK CURRENT DETECTION FOR COMPENSATING ERRORS IN A POWER CONVERTER

Dialog Semiconductor (UK)...

1. A power converter configured to convert electrical power at an input voltage at an input terminal into electrical power at an output voltage at an output terminal, wherein the power converter comprisesa power stage with a high side switching element connected between the input terminal and a switching terminal, and a low side switching element connected between the switching terminal and a reference terminal,
a voltage-to-current converter coupled to the power stage and configured to convert a voltage indicative of a current flowing into an inductor into an indicator current; and
a peak current detector configured to receive said indicator current at an input node, to determine a pedestal component of the indicator current in a first time interval during which the high side switching element is open, and to generate a calibrated indicator current by subtracting the pedestal component from the indicator current; wherein the peak current detector is configured to compare said calibrated indicator current with a threshold current value for detecting a peak of the current flowing into the inductor;wherein the peak current detector further comprises a transistor and a capacitor, wherein a gate of the transistor is coupled to a terminal of the capacitor such that the pedestal component of the indicator current flowing from the input node through said transistor during said first time interval causes said capacitor to be charged to a pedestal voltage indicative of said pedestal component of the indicator current, and wherein the peak current detector further comprises a comparator and a first switch configured to connect, during a second time interval during which the high side switching element is closed, the input node of the peak current detector with an input of the comparator such that the calibrated indicator current is branched off from the indicator current.

US Pat. No. 10,601,322

STRONG ARM COMPARATOR

AMBIQ MICRO, INC., Austi...

1. An strong arm comparator comprising:a first input;
a second input
a first circuit branch coupled to the first input and having current therethrough controlled by the first input and including a first output node;
a second circuit branch coupled to the second input and having current therethrough controlled by the second input and including a second output node; and
a control circuit coupled to the first output node and the second output node and configured to maintain a first impedance in the first circuit branch and a second impedance in the second circuit branch below a first level until stabilization of voltages on the first output node and the second output node at which point the control circuit is configured to enable the first impedance and the second impedance to rise above the first level.

US Pat. No. 10,601,321

DC-DC CONVERTING CONTROLLER FOR REDUCING TRANSMISSION DELAY ERROR DURING ZERO-CURRENT DETECTION AND OPERATING METHOD THEREOF

UPI SEMICONDUCTOR CORP., ...

1. A DC-DC converting controller, coupled to an output stage, the output stage comprising a phase node and an operation switch, the operation switch being coupled between the phase node and a ground voltage, the DC-DC converting controller comprising:a pulse-width modulation (PWM) unit, coupled to the output stage, providing a PWM signal to the output stage to control the operation switch;
a zero-level comparator having a first input terminal, a second input terminal and an output terminal, wherein the first input terminal is coupled to the phase node, the output terminal is coupled to the PWM unit and provides a zero-current voltage to adjust the PWM signal; and
a threshold voltage generation unit, coupled to the phase node and the second input terminal of the zero-level comparator respectively, providing a threshold voltage to the second input terminal,
wherein, the threshold voltage generation unit dynamically adjusts the threshold voltage according to a default voltage and a phase voltage on the phase node.

US Pat. No. 10,601,320

VOLTAGE REGULATORS FOR BATTERY OPERATED SYSTEMS

Skyworks Solutions, Inc.,...

1. A voltage regulator circuit comprising:a switch configured to receive a battery voltage from an input node and to provide an output voltage to an output node, the switch controlled by a control signal;
a differential amplifier configured to generate the control signal of the switch; and
a voltage generator configured to operate the voltage regulator circuit in a regulation mode or in a bypass mode based on a voltage level of the battery voltage, the voltage generator including a first transistor stack having a tap configured to generate a bias voltage of the differential amplifier, the first transistor stack including at least one field-effect transistor configured to operate with a sub-threshold gate-to-source voltage in the bypass mode.

US Pat. No. 10,601,319

VOLTAGE CONVERTER AND METHOD FOR CONVERTING A VOLTAGE FROM AN INPUT VOLTAGE TO AN OUTPUT VOLTAGE THAT IS LARGER THAN THE INPUT VOLTAGE BY A FIXED ADDITIONAL VALUE

Continental Automotive Gm...

1. A voltage converter comprising:a boost circuit configured to convert an input voltage Vin to an output voltage Vout comprising:
an inductor;
a first diode coupled to the inductor; and
a switch directly connected to a node between the inductor and the first diode;
a measurement circuit configured to emit an electrical trigger signal based on a difference between the output voltage Vout and the input voltage Vin, wherein the measurement circuit comprises:
at least a third diode; and
a trigger circuit configured to adjusting the output voltage Vout based on the electrical trigger signal such that:
a setpoint for the output voltage Vout is larger than the input voltage Vin by a fixed additional value Vf, and
the fixed additional value Vf is independent of the input voltage Vin,
wherein one of:
the electrical trigger signal is a trigger current emitted by the measurement circuit only if the third diode is in a reverse breakdown mode and
a voltage difference across the third diode is equal to the difference of the output voltage Vout and the input voltage Vin if the third diode is in a reverse blocking mode.

US Pat. No. 10,601,318

SWITCHING CONVERTER USING PULSE-FREQUENCY MODULATION AND CURRENT-MODE CONTROL

INFINEON TECHNOLOGIES AG,...

1. A circuit comprising:a power conversion circuit including an inductor and configured to convert an input voltage to an output voltage in accordance with a switching signal;
a first current sense circuit configured to generate a current sense signal that represents an inductor current;
a voltage sense circuit configured to generate a voltage sense signal that represents the output voltage;
a switching controller including an error amplifier configured to generate an error signal representing a difference between a reference voltage and the voltage sense signal; and
an oscillator circuit configured to generate, for pulse frequency modulation operation of the power conversion circuit, the switching signal as a sequence of pulses with a pulse repetition frequency that depends on the error signal and the current sense signal, wherein the oscillator circuit includes an integrator coupled with the error amplifier and the first current sense circuit.

US Pat. No. 10,601,317

SYSTEMS, APPARATUS AND METHODS OF ZERO CURRENT DETECTION AND START-UP FOR DIRECT CURRENT (DC) TO DC CONVERTER CIRCUITS

Lumileds Holding B.V., S...

1. A device comprising:a power stage circuit comprising an inductor and a capacitor;
a switch electrically coupled to the power stage circuit;
a controller electrically coupled to the switch and configured to provide a control signal to control the switch to charge and discharge the inductor between a zero current state and a peak current state to provide a light emitting diode (LED) drive current;
an RC circuit electrically coupled to the power stage circuit and comprising at least a first resistive element and a second resistive element coupled in series with a capacitive element; and
a zero current detection circuit having a first input electrically coupled to a node between the first resistive element and the second resistive element, a second input electrically coupled to a threshold voltage, and an output electrically coupled to the controller.

US Pat. No. 10,601,316

USING BATTERY DC CHARACTERISTICS TO CONTROL POWER OUTPUT

Veritone Alpha, Inc., Co...

1. A computer-implemented method comprising:receiving, by an automated control system implemented at least in part by one or more computing systems, information for use in controlling electrical power being output by a battery via electrical direct current (DC) supplied by the battery, wherein the received information includes a model based on multiple rules that each has one or more conditions to evaluate and that specify restrictions involving manipulating a DC-to-DC amplifier connected to the battery in a manner to achieve one or more defined goals including maintaining an internal state of the battery to include an internal temperature of the battery being in a defined range during the controlling of the electrical power being output, wherein the defined range includes a range of internal temperatures of the battery at which the battery operates without causing premature damage; and
controlling, by the automated control system and based on the received information, the electrical power being output by the battery, including:
obtaining, by the automated control system and at one or more times, sensor information identifying current values for one or more attributes of the battery at the one or more times, and information about one or more electrical loads to be satisfied at the one or more times;
generating, by the automated control system and based at least in part on the obtained sensor information, one or more estimates of the internal state of the battery for the one or more times, including one or more estimates of the internal temperature of the battery for the one or more times;
determining, by the automated control system, and based at least in part on the model and on the one or more estimates of the internal state of the battery and on the one or more electrical loads, one or more amounts of electrical power for the battery to supply at the one or more times to satisfy at least some of the one or more electrical loads while maintaining the internal temperature of the battery in the defined range during the one or more times; and
implementing, by the automated control system and for each of the one or more determined amounts of electrical power, one or more settings of the DC-to-DC amplifier to cause electrical power being output to satisfy the determined amount of electrical power.

US Pat. No. 10,601,315

DC-DC CONVERTER

AutoNetworks Technologies...

1. A DC-DC converter comprising:a first switching circuit that includes a first element unit having a switching element electrically connected to a first conductive path, and a second element unit having a diode that is disposed between the first element unit and a reference conductive path, the diode's anode being electrically connected to the reference conductive path side, the diode's cathode being electrically connected to the first element unit side, the reference conductive path being kept at a potential lower than a potential of the first conductive path, the first element unit and the second element unit being provided in series between the first conductive path and the reference conductive path;
a second switching circuit that includes a third element unit having a switching element electrically connected to the first conductive path, and a fourth element unit having a diode that is disposed between the third element unit and the reference conductive path, the diode's anode being electrically connected to the reference conductive path side, the diode's cathode being electrically connected to the third element unit side, the third element unit and the fourth element unit being provided in series between the first conductive path and the reference conductive path, and being arranged in parallel with the first switching circuit;
a first inductor that has one end electrically connected to a connection node that connects the third element unit and the fourth element unit, and another end electrically connected to a second conductive path;
a second inductor that has one end electrically connected to a connection node that connects the first element unit and the second element unit, and another end electrically connected to the connection node that connects the third element unit and the fourth element unit;
a drive unit configured to perform at least step-down control of alternately outputting an ON signal and an OFF signal to the first element unit, and alternately outputting an ON signal and an OFF signal to the third element unit, and step-up control of alternately outputting an ON signal and an OFF signal to the second element unit, and alternately outputting an ON signal and an OFF signal to the fourth element unit; and
a first capacitor that has one electrode electrically connected to the first conductive path, and another electrode electrically connected to a connection node that connects the third element unit and the first inductor, the first capacitor being arranged in parallel with the third element unit;
a plurality of voltage conversion units are provided, each voltage conversion unit being provided with the first switching circuit, the second switching circuit, the first inductor, and the second inductor, and each voltage conversion unit is provided in parallel between the first conductive path and the second conductive path, and is electrically connected to the reference conductive path,
wherein the first element unit includes a diode whose cathode is electrically connected to the first conductive path side, the diode's anode being electrically connected to the second element unit side,
the second element unit includes a switching element disposed between the anode of the diode of the first element unit and the reference conductive path,
the third element unit includes a diode whose cathode is electrically connected to the first conductive path side, the diode's anode being electrically connected to the fourth element unit side, and
the fourth element unit includes a switching element disposed between the anode of the diode of the third element unit and the reference conductive path, and
wherein, in the first element unit and the third element unit, a current is allowed to flow to the first conductive path side, and during an ON time period of at least the second element unit or the fourth element unit, a current flow from the first conductive path side is interrupted, and
in the second element unit and the fourth element unit, a current is allowed to flow from the reference conductive path side, and during an ON time period of at least the first element unit or the third element unit, a current flow toward the reference conductive path side is interrupted, and
wherein the drive unit repeats control such that after first step-down control of outputting OFF signals to the first element unit and the third element unit, second step-down control of outputting an ON signal to the first element unit and maintaining the OFF signal to the third element unit is performed, and after the second step-down control, third step-down control of maintaining the ON signal to the first element unit and outputting an ON signal to the third element unit is performed, and after the third step-down control, fourth step-down control of outputting an OFF signal to the first element unit and maintaining the ON signal to the third element unit is performed, and after the fourth step-down control, the first step-down control is performed, and
the drive unit repeats control such that after first step-up control of outputting OFF signals to the second element unit and the fourth element unit, second step-up control of outputting an ON signal to the second element unit and maintaining the OFF signal to the fourth element unit is performed, and after the second step-up control, third step-up control of maintaining the ON signal to the second element unit and outputting an ON signal to the fourth element unit is performed, and after the third step-up control, fourth step-up control of outputting an OFF signal to the second element unit and maintaining the ON signal to the fourth element unit is performed, and after the fourth step-up control, the first step-up control is performed, and
wherein the second step-down control is continued until the diode of the third element unit becomes conductive, and is switched to the third step-down control when the diode of the third element unit is conductive,
during the third step-down control, the second element unit is kept non-conductive, and the third step-down control is switched to the fourth step-down control while the second element unit is kept non-conductive, and the fourth step-down control is performed so that the diode of the second element unit becomes conductive before a current flowing through the first element unit reaches 0,
the second step-up control is continued until the diode of the fourth element unit becomes conductive, and is switched to the third step-up control when the diode of the fourth element unit is conductive, and
during the third step-up control, the first element unit is kept non-conductive, and the third step-up control is switched to the fourth step-up control while the first element unit is kept non-conductive, and the fourth step-up control is performed so that the diode of the first element unit becomes conductive before a current flowing through the second element unit reaches 0.

US Pat. No. 10,601,314

POWER SEMICONDUCTOR SYSTEMS HAVING INDUCTOR MODULES, AND METHODS OF MANUFACTURING INDUCTOR MODULES AND POWER SEMICONDUCTOR SYSTEMS HAVING INDUCTOR MODULES

Infineon Technologies Aus...

1. A power semiconductor system, comprising:a power stage module comprising one or more power transistor dies attached to or embedded in a first printed circuit board; and
an inductor module attached to the power stage module and comprising an inductor electrically connected to an output node of the power stage module, the inductor being formed from a ferrite sheet embedded in a second printed circuit board and windings patterned into the second printed circuit board.

US Pat. No. 10,601,313

ELECTRONIC DEVICE WITH A RECONFIGURABLE CHARGING MECHANISM

Micron Technology, Inc., ...

1. An electronic device, comprising:a reconfigurable charge pump including pump units that can be arranged differently for varying levels of an output voltage generated by the reconfigurable charge pump;
a pump regulator coupled to the reconfigurable charge pump, the pump regulator configured to monitor the output voltage and turn the reconfigurable charge pump on or off based on the output voltage; and
an arrangement control mechanism coupled to the pump regulator, the arrangement control mechanism configured to:
repurpose the pump regulator based on the output voltage, wherein the pump regulator is repurposed to control electrical connections between the pump units according to the arrangement control mechanism, and
generate a mode output based on the output voltage or a derivation thereof, wherein the mode output controls the pump regulator.

US Pat. No. 10,601,312

BANDWIDTH ADAPTATION IN A PHASE-LOCKED LOOP OF A LOCAL OSCILLATOR

Infineon Technologies AG,...

1. A radio-frequency (RF) circuit comprising:a charge pump configured to generate current pulses having a first current amplitude and a predetermined duration;
a capacitive element coupled to the charge pump and configured to receive the current pulses and to generate a tuning voltage based on the current pulses;
an RF oscillator coupled to the capacitive element and configured to generate an RF signal having a frequency that is dependent on the tuning voltage;
a measuring circuit configured to generate a measurement signal representing the tuning voltage or the frequency of the RF signal; and
a controller circuit coupled to the charge pump and the measuring circuit and configured:
to drive the charge pump so as to change the first current amplitude of a current pulse by a current difference,
to ascertain a first change in the measurement signal, wherein the first change is a reaction to a first current pulse of the current pulses having the first current amplitude, and a second change in the measurement signal, wherein the second change is a reaction to a second current pulse of the current pulses having a second current amplitude, and
to calculate a measurement value for the first current amplitude based on the first change in the measurement signal, the second change in the measurement signal, and the current difference.

US Pat. No. 10,601,311

CIRCUITS AND METHODS FOR HYBRID 3:1 VOLTAGE REGULATORS

Lion Semiconductor Inc., ...

1. A circuit for a voltage regulator, comprising:an inductor having a first side coupled to an input voltage and having a second side;
a first flying capacitor having a first side and having a second side;
a second flying capacitor having a first side and having a second side; and
a plurality of switches,
wherein:
in a first state, the plurality of switches connect:
the second side of the inductor to the second side of the first flying capacitor and an output node;
the first side of the first flying capacitor to the first side of the second flying capacitor; and
the second side of the second flying capacitor to a voltage supply,
in a second state, the plurality of switches connect:
the second side of the inductor to the first side of the second flying capacitor;
the second side of the second flying capacitor to the output node and the first side of the first flying capacitor; and
the second side of the first flying capacitor to the voltage supply.

US Pat. No. 10,601,310

RANDOM PULSE WIDTH MODULATION FOR POWER CONVERTERS

1. A power generation system comprising:a generator configured to provide a generator output power having one or more phases;
a power converter system coupled with the generator and configured to provide a converter output power using the one or more phases of the generator output power; and
a controller arrangement coupled with one or more converters of the power converter system, wherein the controller arrangement is configured to:
determine an audible noise limit that is imposed on the power generation system;
determine a substantially random distribution of timing values to comply with the audible noise limit;
filter, based on an electromagnetic interference (EMI) susceptibility of the controller arrangement, the substantially random distribution of timing values to produce a modified random distribution; and
deliver pulse width modulation (PWM) timing signals based on the modified random distribution to the one or more converters.

US Pat. No. 10,601,309

DEVICE FOR TRANSFORMING AND FOR RECTIFYING POLYPHASE VOLTAGE

ZODIAC AERO ELECTRIC, Mo...

1. A device for transforming and for rectifying polyphase voltage comprising a polyphase transformer comprising a voided central zone, a voltage rectifier circuit that is connected to the transformer and a fan, wherein the voltage rectifier circuit includes at least three heat dissipation units forming a right prism of regular polygonal section having a voided central zone, wherein the transformer, the voltage rectifier circuit and the fan are positioned such that at least some of the airflow produced by the fan flows through the voided central zone of the rectifier so as to immerse the transformer.

US Pat. No. 10,601,308

POWER FACTOR IMPROVING CONVERTER, AND POWER SUPPLY DEVICE INCLUDING POWER FACTOR IMPROVING CONVERTER

SHINDENGEN ELECTRIC MANUF...

6. A power supply device comprising:a plurality of converters each comprising
transformer including a winding at a primary side and a secondary winding at a secondary side different from the primary side,
a bridge circuit at the primary side comprising
a first series circuit including first and second switching elements directly connected in series, a first direct connection point of the first and second switching elements being connected directly to one end of the primary winding,
a second series circuit including third and fourth switching elements directly connected in series, a second direct connection point of the third and fourth switching elements being connected directly to another end of the primary winding,
a first output terminal connected to a first end of the first series circuit and a first end of the second series circuit, and
a second output terminal connected to a second end of the first series circuit and a second end of the second series circuit, and
a rectifying circuit at the secondary side comprising
a third series circuit including first and second rectifying elements directly connected in series, a third direct connection point of the first and second rectifying elements being connected directly to one end of the secondary winding,
a fourth series circuit including third and fourth rectifying elements directly connected in series, a fourth direct connection point of the third and fourth rectifying elements being connected directly to another end of the secondary winding, and
a first capacitor connected in parallel to the third series circuit and the fourth series circuit, and
a load having
a first end connected to a first end of the third series circuit of each of the plurality of converters, a first end of the fourth series circuit of each of the plurality of converters, and a first end of the first capacitor of each of the plurality of converters, and
a second end connected to a second end of the third series circuit of each of the plurality of converters, a second end of the fourth series circuit of each of the plurality of converters, and a second end of the first capacitor of each of the plurality of converters.

US Pat. No. 10,601,307

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME

Mitsubishi Electric Corpo...

1. A semiconductor device, comprising:a base;
a p electrode with a positive conductor pattern, and an n electrode with a negative conductor pattern, the p electrode and the n electrode being disposed on the base with a spacing;
a snubber substrate fixed to the base while being spaced from the p electrode and the n electrode;
a snubber circuit disposed on the snubber substrate and electrically connected to the p electrode and the n electrode; and
a semiconductor element electrically connected to the snubber circuit,
wherein the base includes an insulating component insulating the p electrode, the n electrode, and the snubber substrate from one another.

US Pat. No. 10,601,306

SYSTEM AND METHOD FOR PROVIDING POWER SURGE PROTECTION IN A POWER SUPPLY UNIT FOR AN INFORMATION HANDLING SYSTEM

Dell Products L.P., Roun...

1. A power supply unit for an information handling system, comprising:a filter module configured to filter an AC voltage signal;
a rectifier module to rectify the filtered AC voltage signal to generate a DC voltage signal, the DC voltage signal proportional to the AC voltage signal;
a voltage regulator module configured to:
a) determine, at a first time, that the DC voltage signal is above a threshold voltage level, and in response, clamp the DC voltage signal, for a first time period, such that the clamped DC voltage signal i) is not proportional to the AC voltage signal only for the first time period and ii) is less than the threshold voltage level;
b) determine, at a second time after the first time, that the DC voltage input signal is below the threshold voltage level, and in response, pass thru the proportional DC voltage signal;
a capacitor module to i) average peaks voltages of the clamped DC voltage signal at the first time and ii) average peak voltages of the proportional DC voltage signal at the second time; and
a DC/DC converter to i) convert the averaged-clamped DC voltage signal to a converted-clamped DC voltage signal at the first time, the converted-clamped DC voltage signal having a desired DC voltage level, and ii) convert the averaged-proportional DC voltage signal to a converted-proportional DC voltage signal at the second time.

US Pat. No. 10,601,305

CONTROL TO OUTPUT DYNAMIC RESPONSE AND EXTEND MODULATION INDEX RANGE WITH HYBRID SELECTIVE HARMONIC CURRENT MITIGATION-PWM AND PHASE-SHIFT PWM FOR FOUR-QUADRANT CASCADED H-BRIDGE CONVERTERS

University of Florida Res...

1. A hybrid Cascaded H-Bridge (CHB) converter, comprising:a selective harmonic current mitigation pulse width modulation (SHCM-PWM) unit coupled to an input current and providing an output signal SWSHCM;
a phase shift pulse width modulation (PSPWM) unit coupled to the input current and providing an output signal SWPS; and
a CHB converter selectively coupled to the SHCM-PWM unit if the input current satisfies a first predetermined condition, or to the PSPWM unit if the input current satisfies a second predetermined condition.

US Pat. No. 10,601,304

APPARATUS FOR A HIGH EFFICIENCY HYBRID POWER CONVERTER AND METHODS TO CONTROL THE SAME

TEXAS INSTRUMENTS INCORPO...

1. An apparatus comprising:a source node;
a switched capacitor (SC) converter having a first group of switches, a first input and a first output, the first input coupled to the source node, the first group of switches having first control inputs configured to control states of the first group of switches responsive to first control signals at the first control inputs, and the SC converter configured to generate a first voltage at the first output based on: a voltage at the source node; and the states of the first group of switches;
a direct current-to-direct current (DC-DC) converter having a second group of switches, a second input and a second output, the second input coupled to the source node, the second group of switches having second control inputs configured to control states of the second group of switches responsive to second control signals at the second control inputs, and the DC-DC converter configured to generate a second voltage at the second output based on: the voltage at the source node; and the states of the second group of switches;
a voltage sensor having a sensor output and first and second sensor inputs, the first sensor input coupled to the first output, the second sensor input coupled to the second output, and the voltage sensor configured to generated an output voltage at the sensor output responsive to a difference between the first voltage and the second voltage; and
a converter controller having a controller input, first controller outputs and second controller outputs, the controller input coupled to the sensor output, the first controller outputs coupled to the first control inputs, the second controller outputs coupled to the second control inputs, and the converter controller configured to: based on a targeted output voltage, generate the first control signals at the first controller outputs, and generate the second control signals at the second controller outputs; and adjust the second control signals at the second controller outputs responsive to the output voltage being outside threshold range of the targeted output voltage.

US Pat. No. 10,601,303

CONTROL METHOD AND DEVICE FOR CIRCUIT WITH A BRIDGE ARM OF A SWITCH

Vertiv Tech Co., Ltd., S...

1. A control method for a circuit with bridge arm in which main switches are provided, wherein the circuit includes: at least two bridge arms, an auxiliary switch assisting in switching of the main switches in the bridge arm, wherein the bridge arm is an NPC (Neutral Point Clamped) bridge arm and includes: (i) a first main switch, a second main switch, a third main switch, and a fourth main switch connected in series between positive and negative terminals of a bus capacitance, (ii) a first diode connected between (a) a first connection point of the first main switch and the second main switch and (b) a neutral point of the bus capacitance, and (iii) a second diode connected between (a) a second connection point of the third main switch and the fourth main switch and (b) the neutral point of the bus capacitance; and two inductors, wherein the two inductors are both connected at one side to the neutral point of the bus capacitance, and, at another side, a first inductor of the two inductors is connected to the first connection point between the first main switch and the second main switch of the bridge arm and a second inductor of the two inductors is connected to the second connection point between the third main switch and the fourth main switch of the bridge arm, and wherein the control method includes steps of(S1.) after controlling the auxiliary switch to be turned on for a first period of time, controlling at least two main switches set at same positions of individual bridge arms to be simultaneously turned on; and
(S2.) after a second period of time following a time when the at least two main switches set at the same positions of individual bridge arms are simultaneously turned on, turning off the auxiliary switch.

US Pat. No. 10,601,301

ABNORMALITY DETECTION DEVICE AND VEHICLE-MOUNTED POWER SUPPLY DEVICE

AutoNetworks Technologies...

1. An abnormality detection device that detects abnormality of a vehicle-mounted power supply device including a voltage converting unit that steps up and down an input voltage by turning a switching element on and off, the abnormality detection device comprising:a detection circuit unit including a detection unit configured to generate, as an analog signal, a detection value indicating the magnitude of at least one of a current and a voltage at a predetermined position of the vehicle-mounted power supply device, and a converting unit configured to convert the detection value generated by the detection unit into a digital signal;
a protection circuit unit configured to perform a predetermined protection operation on the vehicle-mounted power supply device in one of cases where at least one of a voltage and a current of an input path to the voltage converting unit has an abnormal value and where at least one of a voltage and a current of an output path from the voltage converting unit has an abnormal value; and
an abnormality determination unit configured to make at least one of the detection circuit unit and the protection circuit unit perform a predetermined diagnosis operation, and determine, based on a result of the predetermined diagnosis operation, whether the at least one of the detection circuit unit and the protection circuit unit is abnormal, wherein the abnormality determination unit is configured to: make the at least one of the detection circuit unit and the protection circuit unit perform the predetermined diagnosis operation when a predetermined operation stop condition for a vehicle is met, and determine, based on the result of the predetermined diagnosis operation, whether the at least one of the detection circuit unit and the protection circuit unit is abnormal; and make, if it is determined that the at least one of the detection circuit unit and the protection circuit unit is abnormal, a target circuit unit out of the detection circuit unit and the protection circuit unit that is determined as being abnormal perform a predetermined rediagnosis operation when a predetermined operation start condition for the vehicle is met, and redetermine, based on the result of the predetermined rediagnosis operation, whether the target circuit unit is abnormal.

US Pat. No. 10,601,300

INTEGRATED GALLIUM NITRIDE BASED DC-DC CONVERTER

Efficient Power Conversio...

1. An integrated DC-DC converter device, comprising:a plurality of GaN transistor sets formed on a substrate, wherein a first set of the plurality of GaN transistor sets includes transistors with a first drain-to-source distance, and wherein a second set of the plurality of GaN transistor sets includes transistors with a second drain-to-source distance that is greater than the first drain-to-source distance; and
substrate well isolation between each of the plurality of GaN transistor sets.

US Pat. No. 10,601,299

HIGH TEMPERATURE SUPERCONDUCTOR GENERATOR WITH INCREASED ROTATIONAL INERTIA

1. A high temperature superconductor (HTS) rotating machine having a longitudinal axis, comprising:a cylindrical stator assembly disposed about the longitudinal axis;
a cylindrical rotor assembly disposed within the cylindrical stator assembly and configured to rotate within the cylindrical stator assembly about the longitudinal axis, the cylindrical rotor assembly having a first rotational inertia and comprising:
at least one HTS winding assembly which, in operation, generates a magnetic flux linking the cylindrical stator assembly; and
a cylindrical electromagnetic shield disposed about the at least one HTS winding assembly, wherein the cylindrical electromagnetic shield has a second rotational inertia; and
a cryogenic cooling system for cooling the at least one superconducting winding assembly of the cylindrical rotor assembly;
wherein the second rotational inertia is at least eighty percent (80%) of the first rotational inertia.

US Pat. No. 10,601,298

SYNCHRONOUS SUPERCONDUCTIVE ROTARY MACHINE HAVING A SLIDABLE POLE ASSEMBLY AND METHODS THEREOF

Envision Energy (Denmark)...

1. A synchronous superconducting rotary machine comprising:a rotor arranged rotatably relative to a stator, wherein
the rotor comprises at least a back iron configured to be connected to a drive axis, the rotor further comprises a plurality of first pole units with superconductive rotor coils, the rotor coils are configured to interact with a plurality of stator coils arranged in the stator via an electromagnetic field when the rotor is rotated relative to the stator,
wherein each of the first pole units is removably connected to the back iron by means of at least one mechanical coupling comprising a first coupling element and a mating second coupling element, the first and second coupling elements extend in a longitudinal direction of a generator, wherein the first coupling element is configured to move in an axial direction relative to the second coupling element, wherein the rotor comprises at least one base element arranged between the back iron and at least one of the first pole units and a thermally insulating support structure connected to the at least one base element and to a second part of the rotor, the mechanical coupling being arranged between the at least one base element and that first pole unit, wherein the at least one base element is spaced apart from the back iron by the support structure so that a magnetic air gap is formed between the base element and the back iron.

US Pat. No. 10,601,297

MOTOR WITH MAGNETIC ELEMENT TO PAIR FAN FOR GENERATING INDUCTION POWER

1. A motor, comprising:a motor body, including a shaft member;
at least one magnetic element, located at the shaft member, and generating a dynamic electromagnetic induction space while the shaft member rotates;
a shield case, located close to the shaft member and shielding the shaft member;
an induction element, fixed at the shield case, and at least partially located inside the dynamic electromagnetic induction space so as to generate an induction power while the shaft member rotates;
a transfer circuit board, having a transfer circuit electrically coupled with the induction element so as to receive the induction power to further generate a working power; and
a working module, electrically coupled with the transfer circuit, being to receive the working power so as to execute a default work.

US Pat. No. 10,601,296

MULTI-DEGREE-OF-FREEDOM MOTOR DESIGN WITH REDUCED NUMBER OF ELECTROMAGNETIC CONTROL PHASES

HANGZHOU ZERO ZERO TECHNO...

1. A multi-degree-of-freedom motor system, comprising:a rotor including a rotor body and a plurality of magnetic positioners coupled to the rotor body, the rotor body including a spherical outer surface;
a stator including a stator housing and a plurality of electromagnetic coils positioned within the stator housing, the stator housing including a spherical mating surface defining an interior cavity that is configured to receive the rotor body therein;
wherein the plurality of electromagnetic coils are arranged in a plurality of coil groups, each coil group including a predefined number of electromagnetic coils being arranged in a predefined pattern, at least one coil group of the plurality of coil groups including a first set of electromagnet coils and a second set of electromagnet coils, the first set of electromagnet coils including a first coil pitch size defined along a first direction, the second set of electromagnetic coils including a second coil pitch size defined along a second direction that is different from the first direction, the second coil pitch size being different from the first coil pitch size; and
a controller for transmitting control signals to each of the plurality of electromagnetic coils, the controller configured to transmit the control signals including a number of driving signal phases that is less than a total number of electromagnetic coils included in the stator.

US Pat. No. 10,601,295

MOVING-MAGNET TRANSFER PLATFORM

DELTA ELECTRONICS, INC., ...

1. A moving-magnet transfer platform, comprising:a mover part comprising a first moving table and a first magnet assembly, wherein the first magnet assembly is disposed on the first moving table;
a driving part generating a driving power; and
a stator part arranged beside the mover part, and comprising:
a coil assembly comprising plural coils, which are arranged side by side;
plural first switch elements, each of the plural first switch elements is connected between the driving part and a corresponding one of the plural coils;
a current sensor for detecting a driving current of the driving power and generating a current detection signal;
an electric angle detector for detecting an electric angle of the driving current according to the current detection signal and generating an electric angle signal;
a first magnetic field sensor assembly comprising plural first magnetic field sensors, wherein when the first magnet assembly is moved to a position of the corresponding one of the plural coils, a magnetic field change is detected by a corresponding one of the plural first magnetic field sensors; and
a signal processor for controlling operations of the plural first switch elements according to the electric angle signal and sensing results of the plural first magnetic field sensors, wherein when the first magnet assembly is moved to the position of the corresponding one of the plural coils, a corresponding one of the plural first switch elements is turned on under control of the signal processor, and the corresponding one of the plural coils receives the driving power through the corresponding one of the plural first switch elements, so that the first moving table is moved with the first magnet assembly.

US Pat. No. 10,601,294

LINEAR STEPPER MOTOR, DEVICE AND METHOD FOR MANUFACTURING THE LINEAR STEPPER MOTOR

JOHNSON ELECTRIC INTERNAT...

1. A linear stepper motor comprising:a stator formed as a fully overmoulded stator assembly, the stator assembly comprising a stator overmould;
a rotor received in the stator and comprising a spindle;
a cover coupled to the stator assembly on the drive side of the linear stepper motor; anda longitudinally displaceable actuating rod guided by the stator assembly, wherein the spindle is only supported by its tips between two bearing balls between a stator recess of the stator overmould and a cover recess in the cover, and wherein the cover of the linear stepper motor comprises a cover flange made of a laser-transparent plastic material, the stator overmould comprises a stator flange laser-welded to the cover flange.

US Pat. No. 10,601,293

HIGHLY EFFICIENT LINEAR MOTOR

SentiMetal Journey, LLC, ...

23. A method for driving a linear motor, comprising:applying, to at least one forcer coil disposed coaxially about at least a portion of a shaft member having a longitudinal axis and opposing first and second shaft ends, a first signal having one of first mutually opposing polarities to induce a forcer magnetic field; and
applying, to at least one thruster coil disposed coaxially with and between respective portions of said forcer coil and said shaft member, a second signal having one of second mutually opposing polarities to induce a thruster magnetic field, wherein said at least one thruster coil is affixed to a portion of said shaft member between said opposing first and second shaft ends and defines a gap coaxially between said thruster coil and said forcer coil;
wherein
responsive to applying said first and second signals having a combination of said first and second mutually opposing polarities, said forcer and thruster magnetic fields are mutually attractive and urge said shaft member to move more of said thruster coil between respective portions of said forcer coil and said shaft member, and
responsive to applying said first and second signals having a different combination of said first and second mutually opposing polarities, said forcer and thruster magnetic fields are mutually repellant and urge said shaft member to move more of said thruster coil out from between respective portions of said forcer coil and said shaft member.

US Pat. No. 10,601,291

LINEAR MOTOR

AAC Technologies Pte. Ltd...

1. A linear motor comprising:a housing including a bottom wall, a cover plate opposite to the bottom wall, and a side wall connecting the bottom wall with the cover plate for forming an accommodation space;
a stator;
a vibrator accommodated in the accommodating space and vibrating in a direction perpendicularly to the cover plate; wherein
the cover plate is fixed to the stator, and the bottom wall supports the vibrator;
the side wall comprises a first connecting part connecting with the bottom wall, a second connecting part connecting with the cover plate, and an elastic arm connecting the first connecting part with the second connecting part, the first connecting part and the second connecting part are both integrally formed with the elastic arm to form the side wall; and,
the vibrator comprises a magnetic bowl arranged on the bottom wall fixedly, a magnet attached to a bowl bottom of the magnetic bowl and forming a magnetic gap with the magnetic bowl, a pole plate attached to the magnet, and a counterweight surrounding the magnetic bowl; the counterweight comprises an upper surface and a side surface connecting with the upper surface and adjacent to the upper surface; the upper surface is attached to the bottom wall fixedly; and the side surface is attached to the side wall fixedly; the counterweight is provided with an avoiding part which partially sinks along a direction away from the side wall from the side surface and offers an avoiding space to the elastic arm.

US Pat. No. 10,601,290

MOTOR

LG Electronics Inc., Seo...

1. A motor including a stator, comprising:a first stator core; and
a second stator core that is independent from the first stator core and that is symmetric to the first stator core with respect to a vertical line that passes through a center of the stator,
wherein each of the first and second stator cores comprises:
a yoke,
a center tooth that extends from a center of the yoke toward the center of the stator, and
outer teeth that extend from a first end of the yoke and a second end of the yoke, respectively,
wherein the center tooth is located between the outer teeth,
wherein a length of the outer teeth is greater than a length of the center tooth,
wherein the center tooth and the outer teeth extend along a line,
wherein the center tooth and an outer tooth among the outer teeth define a slot between the center tooth and the outer tooth,
wherein the slot includes:
a first portion defined by an inner surface of the outer tooth and an inner surface of the yoke, and
a second portion defined by a surface of the center tooth and the inner surface of the yoke, and
wherein an area of the first portion is equal to an area of the second portion.

US Pat. No. 10,601,289

METHOD FOR FORGING MAGNET WHEEL FOR MOTOR VEHICLE ALTERNATOR USING COLD FORGING DIE, AND MAGNET WHEEL OBTAINED BY THIS METHOD

Valeo Equipements Electri...

1. A method for forging a magnet wheel (10, 11) of a rotor (1) of a rotary electrical machine of the Lundell type, the magnet wheel (10, 11) including a plurality of polar teeth (10g, 11g), the method comprising a hot forging step and a cold forging step executed after the hot forging step, a basic magnet wheel (10B) including a plurality of finite chamfers (102, 103, 104) formed on an outer part of each of the polar teeth being provided during the hot forging step, wherein the cold forging step comprises the following sub-steps:a) putting the basic magnet wheel (10B) into place in a cold forging die (MA);
b) application by cold die stamping of a first blow on the basic magnet wheel (10B) in the axial direction of the magnet wheel, giving rise to a first upsetting of material onto inner parts of the polar teeth (10g, 11g) in order to pre-forge a formation of magnet receptacle grooves (100) and magnet lips (101); and
c) application by cold die stamping of a second blow on the basic magnet wheel (10B) in the axial direction of the magnet wheel disposed in the cold forging die (MA), giving rise to a second upsetting of material onto the inner parts of the polar teeth (10g, 11g) in order to finish the formation of the magnet receptacle grooves (100) and the magnet lips (101).

US Pat. No. 10,601,288

ADDITIVE AMORTISSEUR CIRCUIT

HAMILTON SUNDSTRAND CORPO...

1. A method of manufacturing a rotor for an electric motor or an electric generator, the method comprising:positioning a plurality of amortisseur bars circumferentially around a rotor stack, wherein the plurality of amortisseur bars extend between a first axial end of the rotor stack and a second axial end of the rotor stack opposite the first axial end; and
additively manufacturing electrically conductive material on the first axial end and the second axial end of the rotor stack; and
electrically interconnecting the plurality of amortisseur bars together via the electrically conductive material to form an amortisseur circuit.

US Pat. No. 10,601,287

CIRCUIT BOARD, MOTOR AND ELECTRONIC POWER STEERING SYSTEM

LG INNOTEK CO., LTD., Se...

1. A circuit board, comprising:a first magnetic element part;
a second magnetic element part spaced apart from the first magnetic element part;
a first power terminal electrically connected to the first magnetic element part;
a second power terminal electrically connected to the second magnetic element part;
a first ground contact part electrically connected to the first magnetic element part; and
a second ground contact part electrically connected to the second magnetic element part,
wherein the first magnetic element part comprises a plurality of magnetic elements, and the second magnetic element part comprises a plurality of magnetic elements,
wherein the plurality of magnetic elements of the first magnetic element part are disposed along a first circular arc having a first radius,
wherein the plurality of magnetic elements of the second magnetic element part are disposed along a second circular arc having a second radius greater than the first radius,
wherein the second power terminal is spaced apart from the first power terminal, and
wherein the second ground contact part is spaced apart from the first ground contact part.

US Pat. No. 10,601,286

MANUFACTURING METHOD FOR A MOTOR CORE

1. A manufacturing method for a motor core comprising:a preparing step, wherein multiple silicon steel sheets are cleaned and dried;
a coating step, wherein an electrically insulating colloid is coated between each pair of adjacent silicon steel sheets;
a stacking step, wherein the multiple silicon steel sheets coated with the electrically insulating colloids are stacked on each other to form a layered structure; and
a forming step, wherein the stacked silicon steel sheets are applied with a colloid curing process to form the colloids to a thermosetting plastic, and the colloid curing process of the forming step is pressurization, wherein the pressing force of the pressing process is kgf to 10000 kgf.

US Pat. No. 10,601,285

WIRING BOARD, ELECTRIC MOTOR, ELECTRIC APPARATUS, AND AIR CONDITIONER

Mitsubishi Electric Corpo...

1. A wiring board on which an electronic component to detect a magnetic-pole rotational position of a rotor is mounted, the electronic component including a pin with a pad, the wiring board comprising:a base substrate having an origin on an axis of rotation of the rotor;
a wire provided on the base substrate;
a resist covering the wire, the resist including a footprint opening; and
a footprint connected to the wire and exposed by the footprint opening of the resist, the pad of the pin being soldered to the footprint, wherein
a direction in which the wire at a connection between the footprint and the wire is led out is parallel to a direction in which the pin is led out, and
the direction in which the pin is led out is a direction inclined at 45 degrees or less relative to a straight line interconnecting the origin and the electronic component on the base substrate.

US Pat. No. 10,601,284

PRIMARY PART OF A LINEAR MOTOR HAVING A COOLING PLATE

ETEL S.A., Motiers (CH)

1. A primary part of a linear motor, the primary part comprising:a cooling plate with cooling channels mounted to a side of the primary part that faces away from an air gap of the linear motor, wherein the cooling channels are connected to a coolant inlet and a coolant outlet via channels of a distributor, the channels extend between the cooling plate and winding end turns of the primary part in a direction of movement of the linear motor.

US Pat. No. 10,601,283

VERTICAL BEARING DEVICE

DAIDO METAL COMPANY LTD.,...

1. A vertical bearing device comprising:a cylindrical thrust collar that rotates together with a rotating shaft member extending in a direction of gravitational force;
a base plate that faces a lower end of the thrust collar;
a thrust bearing part that is provided in a part where the thrust collar and the base plate face each other in an axial direction of the rotating shaft member and that supports the rotating shaft member in the axial direction;
a casing that surrounds an outer peripheral side of the rotating shaft member, is formed into a container shape that, together with the base plate, integrally forms an oil chamber for storing lubricating oil and partitions the oil chamber into an upper oil chamber provided on the upper side and a lower oil chamber provided on the lower side in the direction of gravitational force;
a journal bearing part that is provided in a part where the casing and the thrust collar face each other in a radial direction of the rotating shaft member and that supports the rotating shaft member in the radial direction;
a cooling part that is provided integrally with the casing on the radially outer side of the casing has a lubricating oil passage part exposed from the casing and allows passage of the lubricating oil moving from the upper oil chamber to the lower oil chamber and cools the lubricating oil moving from the upper oil chamber to the lower oil chamber through the lubricating oil passage part by air on the outer peripheral side of the casing; and
a cover that is provided outside the casing in the radial direction of the rotating shaft member, and that forms, with the casing, a space through which air flows, wherein:
a casing has a flat plate portion in the circumferential direction,
the cooling part is provided in a position facing the flat plate portion,
the cooling part has an air inlet into which cooling air flows, and is positioned in a preset range;
when a distance from the upper to lower ends of the oil chamber in the axial direction of the rotating shaft member is h, and the shortest distance between an outer peripheral face of the casing and an inner peripheral face of the cover is a,
the preset range is set so that the center of the air inlet is positioned at a distance ranging from ¼h to ¾h downward relative to the upper end of the oil chamber as a reference point, in the axial direction of the rotating shaft member, and
the center of the air inlet is set at a distance ranging from (½)a to (3/2)a relative to the outer peripheral face of the casing as a reference point, in the radial direction of the rotating shaft member, and
the cooling part has a radiation portion tilted relative to the axial direction of the rotating shaft member by an angle of more than 0 degrees and no more than 90 degrees.

US Pat. No. 10,601,282

ELECTRIC ROTATING MACHINE AND MANUFACTURING METHOD FOR ELECTRIC ROTATING MACHINE

KABUSHIKI KAISHA TOSHIBA,...

1. A gas cooled electric rotating machine in which, in operation, a cooling gas is flowed through into a rotor and a stator,wherein the rotor comprises:
a shaft having a center hole formed along a center of rotation of the rotor;
a pair of collector rings installed around an outer periphery of the shaft;
a hole for studs formed at a machine interior side of the center hole so as to extend in a radial direction from the center hole to an outer peripheral surface of the rotor to allow the center hole and the outer peripheral surface to communicate with each other;
a pair of center hole conductors inserted into the center hole along the center of rotation while being electrically insulated from the shaft and from each other, the center hole conductors including respective end parts extending along an axial direction of an end of the shaft, wherein each of the end parts comprises a circumferential surface with respect to a center line of the end parts parallel to the center of rotation, said circumferential surface serving as an electric connection surface; and
a pair of end conductors provided at the end of the shaft so as to be each electrically insulated from the shaft,
wherein each of the end conductors has a hole so that the respective end part can be fitted into the hole and electrically connected thereto in a manner that an inner peripheral surface of the hole is connected to the circumferential surface of the respective end part of the pair of center hole conductors, and
wherein each of the end conductors is electrically connected to a respective one of the pair of collector rings.

US Pat. No. 10,601,281

MODULAR DIRECT DRIVE SYSTEM FOR AN INDUSTRIAL MACHINE

Joy Global Surface Minin...

1. A mining machine comprising:a mobile base;
a boom coupled to the mobile base;
a dipper arm coupled to the boom;
a transmission unit coupled to the dipper arm to move the dipper arm relative to the boom, the transmission unit including a gear case having an internal gear disposed therein; and
a modular drive system releasably coupled to the gear case, the modular drive system including a motor system with a motor shaft, a first, non-drive end and a second, drive end, the motor system including a flange to releasably couple at least a portion of the modular drive system to the gear case, the modular drive system also including a brake system coupled to the motor system, and a drive gear coupled to the motor shaft, wherein the drive gear is in engagement with the internal gear of the gear case, wherein the motor shaft is a single piece motor shaft that extends entirely from the first non-drive end to the drive end and the brake system, and wherein the motor system extends from one side of the gear case.

US Pat. No. 10,601,280

DUAL SPEED MOTOR CONTROLLER AND METHOD OF OPERATION

Asia Connection LLC, New...

1. A motor assembly, comprising:a housing having an interior containing a motor capable of operating at two speeds mounted within a first portion of the interior and a motor controller adapted to control operation of the motor, electrically coupled to the motor, and mounted within a second portion of the interior of the housing, the second portion of the interior of the housing including an air flow opening structure to permit air flow communication into and out of the interior;
the motor controller including an operating speed circuit configured or programmed to automatically cause the motor to operate, without input from a user, in one of a first speed or a second speed, the first speed faster than the second speed;
an event circuit, configured or programmed to automatically determine when a pre-set event occurs and automatically send a signal to the motor controller to indicate that the event has occurred;
the motor controller configured or programmed to automatically control operation of the motor at the first speed before receiving the signal indicating that the event occurred and to automatically control operation of the motor at the second speed after receiving the signal indicating that the event occurred, without interference from a user;
wherein the motor is adapted and configured within the interior to generate a directional air flow within the second portion of the interior as it operates, the interior of the housing and the at least one air flow opening structure configured and adapted so that the directional airflow generated by operating the motor will flow into the second portion of the interior, past the motor controller, then out of the interior.

US Pat. No. 10,601,279

PERMANENT MAGNET SYNCHRONOUS MOTOR AND ITS PREPARATION METHOD

Hanyu Group Joint-Stock C...

9. A permanent magnet synchronous motor with an integrated pump body comprises:a rotor assembly,
a stator assembly including a coil wound on the coil former and a U-shaped iron core assembled on the coil, and
a coil sealing part and a pump body part, both which are formed by conducting an injection molding process based on the coil wound on the coil former and the U-shaped iron core assembled on the coil, the coil being wound on the coil former is sealed by the coil sealing part, wherein the pump body part includes:
a rotor barrel formed by conducting the injection molding process based on the U-shaped iron core, which is provided with a rotor cavity for arranging the rotor assembly, and
an isolating layer of arc surface being formed by conducting the injection molding process at a pole arc part of the U-shaped iron core to isolate the U-shaped iron core from the rotor cavity; and wherein the isolating layer of arc surface integrates with the rotor barrel and cooperates with an internal surface of the rotor barrel to form a continuous rotor cavity.

US Pat. No. 10,601,278

PROTECTION SYSTEM FOR AN ELECTRICAL MACHINE

1. A protection system for an electrical machine, comprising:a first connecting line for connecting an internal space of the electric machine to an external space surrounding the electrical machine;
a valve movable between a closed position in which the first connecting line is impassable, and an open position in which a flow of a first gaseous medium is permitted through the first connecting line so as to enter the internal space from the external space;
a filter impermeable to dust, said filter configured to filter the first gaseous medium that enters the internal space from the external space through the first connecting line and to enable a pressure equalization in the event of a malfunction which causes a drop in pressure in the internal space;
a pressure vessel for stockpiling a second gaseous medium, said pressure vessel being configured to subject the internal space to an overpressure compared to an external pressure in the external space; and
a second connecting line for connecting the pressure vessel to the internal space,
wherein the valve is actively connected to the pressure vessel in a way that the valve is opened when a pressure in the pressure vessel does not reach a reference pressure, and the valve is closet when the pressure in the pressure vessel exceeds the reference pressure.

US Pat. No. 10,601,277

INSULATED WIRE AND METHOD OF PRODUCING THE SAME, AND ROTATING ELECTRICAL MACHINE AND METHOD OF PRODUCING THE SAME

FURUKAWA ELECTRIC CO., LT...

1. A rotating electrical machine comprising an insulated electrical conducting wire in which at least one layer of an insulating material is coated around a conductor,wherein
the insulated electrical conducting wire has a part in which relative permittivity is different in a length direction or a circumferential direction in an identical coating layer,
the insulated electrical conducting wire is processed by winding into a coil, and the coil comprises: a slot housing portion to be housed in a slot of a stator core in which the coil is set; and a coil end portion that is not housed in the slot of the stator core, and
relative permittivity of an insulted wire coating in the coil end portion that is not housed in the slot of the stator core, is lower than relative permittivity of an insulated wire coating in the slot housing portion that is housed in the slot of the stator core.

US Pat. No. 10,601,276

ELECTRIC MACHINE

ZF Friedrichshafen AG, F...

1. An electric machine comprising:a rotor;
a stator;
stator coils arranged on the stator;
connection conductors connected to winding ends of the stator coils inside a wiring area;
a wiring arrangement having a conductor support element at which the connection conductors are arranged;
an insulating potting material filling the wiring area;
a cable feedthrough structure defined by the insulating potting material in the form of a feedthrough passage through the insulating potting material that is free of the insulating potting material and configured as a free space; and
an electric cable arranged inside the free space of the cable feedthrough structure,
wherein the electric cable is guided through the cable feedthrough structure after potting the insulating potting material filling the wiring area.

US Pat. No. 10,601,275

INSULATING MATERIAL FOR COIL

TOYOTA JIDOSHA KABUSHIKI ...

1. An insulating material for a coil, the insulating material being placed between a stator core and a coil, the insulating material being configured to insulate the coil from the stator core, the insulating material comprising:an insulating sheet made of an insulating material;
a stator-core-side expansive additive layer laminated on a surface of the insulating sheet, the surface being opposed to the stator core, in a state where the insulating sheet is placed between the stator core and the coil, the stator-core-side expansive additive layer including a first foam material configured to foam by heating; and
a coil-side expansive additive layer laminated on a surface of the insulating sheet, the surface being opposed to the coil, in a state where the insulating sheet is placed between the stator core and the coil, the coil-side expansive additive layer including a second foam material configured to foam by heating, wherein
a foaming curve of a foaming rate of the first foam material which increases along with a temperature rise is shifted to a cold side relative to a foaming curve of a foaming rate of the second foam material.

US Pat. No. 10,601,274

10-POLE/9-SLOT SYNCHRONOUS MOTOR

Mitsubishi Electric Corpo...

1. A 10-pole/9-slot synchronous motor, the excitation force of which in a radial direction is reduced, comprising:a rotor including ten permanent magnets that are positioned in a circumferential direction on an outer diameter surface thereof; and
a stator provided on an outer diameter surface side of the rotor via an air gap, wherein
the stator includes:
a circularly-formed stator iron core;
nine teeth that are provided on an inner periphery of the circularly-formed stator iron core and positioned at regular intervals in a circumferential direction of the circularly-formed stator iron core; and
nine tooth tips, which are provided on radially inner ends of the teeth, respectively, and have a structure extending from circumferential ends of the teeth, respectively, in a circumferential direction,
the circularly-formed stator iron core is configured such that, for each tooth and corresponding tooth tip, a value obtained by dividing b by a is larger than 0.5 where a is a width of the tooth tip, from a base portion of the tooth tip to a circumferential end of the tooth tip, and b is a thickness of the tooth tip from the base portion to a radially-inner surface of the tooth tip, and
the circularly-formed stator iron core is formed so that a value obtained by dividing D by P is within a range from 0.25 to 0.4, where D is a width of the tooth, around which a winding is wound, and P is a slot pitch between two adjacent slot openings, wherein the slot pitch P is measured at the radially-inner surface of the tooth tip, which faces the outer diameter surface of the rotor, and wherein P has a value obtained by adding:
a length in the circumferential direction from one circumferential end of the tooth tip of the tooth to a circumferential center of one slot opening of the two adjacent slot openings,
a length in the circumferential direction from the other circumferential end of the tooth tip to a circumferential center of the other slot opening of the two adjacent slot openings, and
a circumferential width of the radially-inner surface of the tooth tip.

US Pat. No. 10,601,273

COMPRESSED MOTOR WINDING

AeroVironment, Inc., Sim...

1. A motor winding comprising a high density multi-conductor wire bundle comprising a compacted Litz wire bundle comprising:a) a serpentine configuration comprising a central portion and end turns; and
b) wherein the central portion comprises compacted Litz wire and wherein the end turns comprise non-compacted Litz wire such that voids between individual conductors within the compacted Litz wire in the central portion are smaller than voids between individual conductors within the non-compacted Litz wire in the end turns.

US Pat. No. 10,601,272

ROTOR FOR AN ELECTRICAL MACHINE, ELECTRICAL MACHINE, IN PARTICULAR AN ASYNCHRONOUS MACHINE FOR A MOTOR VEHICLE, AND MOTOR VEHICLE

AUDI AG, Ingolstadt (DE)...

1. A rotor for an electrical machine, comprising: one or a plurality of cooling ducts through which a cooling agent can flow, wherein at one end face of the rotor there is provided an annular space, bounded axially inwardly and radially outwardly and joined communicating with the cooling duct or ducts, wherein a cover plate is provided, attached to the end face and bounding the annular space axially outwardly, having a central through-opening for introducing the cooling agent into the annular space by way of an inlet passing through the cover plate and arranged stationary relative to the rotational movement of the rotor, wherein the cooling agent is configured to be collected by gravity in the annular space in a bottom side of the electrical machine and is moved during a rotating operation of the rotor by centrifugal force against a radially outer boundary of the annular space and subsequently into the cooling ducts.

US Pat. No. 10,601,271

DYNAMOELECTRIC MACHINE INCLUDING DISPLACEABLE FLUX-GUIDING ELEMENTS

11. A dynamoelectric permanently excited machine comprising:a stator;
a rotor spaced apart from the stator via an air gap;
permanent magnets situated in magnet pockets on the rotor for generating an excitation field in the air gap;
displaceable leakage flux-guiding elements guided in radially extending grooves, a density of the excitation field in the air gap being influenceable via the radial position of the leakage flux-guiding elements,
the leakage flux-guiding elements being situated radially beneath the permanent magnets,
wherein the rotor is designed in such a way that a radially outwardly directed displacement of the leakage flux-guiding elements effectuates a reduction in the density of the excitation field;
a signal input for an error signal; and
an actuator for actively displacing the leakage flux-guiding elements radially outwardly.

US Pat. No. 10,601,270

ROTOR OF AN ELECTRIC MACHINE WITH A LAMINATED CORE

ZF Friedrichshafen AG, F...

1. A rotor of an electric machine having:a lamination stack, comprising:
a first partial stack with first sheet metal laminations; and
a second partial stack with second sheet metal laminations,
wherein the sheet metal laminations and partial stacks are joined axially along a center axis of the lamination stack, and
wherein each of the partial stacks has a radially inner circumferential area and a radially outer circumferential area,
wherein each of the partial stacks has a plurality of connection areas distributed in circumferential direction that are in mutual register at the joined partial stacks and form a common connection area,
wherein at least one of the partial stacks has a fastening area for arranging the lamination stack at a carrier element,
wherein a circumferential area is formed so as to be radially offset to an axially adjacent circumferential area in order to form the fastening area,
wherein the lamination stack has a magnetic interaction area formed by at least one of the radially outer circumferential areas of the partial stacks for cooperation with a stator of an electric machine, the magnetic interaction area comprises: a plurality of rotor poles with permanent magnets that are uniformly distributed along the circumference.

US Pat. No. 10,601,269

ROTOR GROUP FOR ELECTROMECHANICAL COMPONENTS AND METHOD FOR MANUFACTURING SAID ROTOR GROUP

1. A rotor group for electromechanical components, comprising:a substantially cylindrical, magnetic element, defining a main axis, two bases and a side surface, and comprising a through hole substantially centered on said main axis, defining inner walls and comprising at least one groove, for the rotational constraint around said main axis of a transmission element with respect to said magnetic element on said inner walls,
said transmission element in polymeric material, mainly positioned inside said through hole, comprising:
coupling tabs, in contact with said inner walls of said through hole, configured for the rotational constraint around said main axis of said transmission element with respect to said magnetic element, and
said coupling tabs comprising in situ bent free ends, in contact with at least one of said bases, configured to constrain the translation along said main axis of said transmission element with respect to said magnetic element,
a base support configured for contact with at least one of the two bases of said magnetic element,
said base support comprising radial tabs symmetrical with respect to said main axis, configured to flex along their opening and to tighten in the direction of said main axis said transmission element, so as to tighten and align along said main axis said transmission element to said magnetic element,
wherein each of said radial tabs comprises a protuberance, protruding from the inner surface of said base support in the direction of said main axis and oriented towards said magnetic element, configured to guarantee a proper tightening for axial tension.

US Pat. No. 10,601,268

ROTOR OF ELECTRIC MOTOR, AND METHOD FOR MANUFACTURING ROTOR

FANUC CORPORTION, Yamana...

1. A rotor of an electric motor, comprising:a rotor core;
a plurality of magnets arranged radially outside of the rotor core;
a cylindrical cover tube surrounding the plurality of magnets; and
resin filled in a gap formed between an outer peripheral surface of the rotor core and an inner peripheral surface of the cover tube,
wherein an axial dimension of the rotor core is greater than axial dimensions of the plurality of magnets and an axial dimension of the cover tube, wherein proximal ends of the plurality of magnets, the cylindrical cover tube and rotor align in an axial direction and distal ends of the plurality of magnets, the cylindrical cover tube and rotor do not align in an axial direction so that there is a ring of resin located at the distal ends of the plurality of magnets and the cover tube.

US Pat. No. 10,601,267

ROTOR FOR A SYNCHRONOUS RELUCTANCE ELECTRIC MACHINE, AN ELECTRIC MACHINE, AND A MANUFACTURING METHOD OF A ROTOR

ABB Schweiz AG, Baden (C...

1. A rotor for a synchronous reluctance electric machine, wherein the rotor comprises:a plurality of consecutive core elements, the core elements comprising material of magnetic conductance;
a binding structure for holding together the stack of consecutive core elements so as to form a rotor core having a first end and a second end,
the core elements are such that core element comprises at least two adjacent sectorial sections at least partially around a rotational axis of the rotor, each core element further comprising central area surrounding the rotational axis of the rotor, and
each sectorial section comprise one or more flux barriers, and wherein
the binding structure for core elements of the rotor of the synchronous reluctance electric machine is a casted structure comprising interconnection casts that are casted into channels extending through the stack or core elements, and
wherein those channels for the interconnection casts and the corresponding interconnection casts are located in the rotor core in an area defined by the flux barriers of the adjacent sectorial sections of each core element and the central area of each core element, wherein the binding structure further comprises end plates casted to the first end of the rotor core and to the second end of the rotor core, the casted end plates and the casted interconnection casts therebetween forming a unitary casted structure.

US Pat. No. 10,601,265

STATOR FOR A MULTIPHASE ELECTRIC MOTOR, METHOD FOR PRODUCING A COIL WINDING, AND ELECTRIC MOTOR FOR A HANDHELD TOOL

Robert Bosch GmbH, Stutt...

1. A stator for a multiphase electric motor, comprising:a stator core having a multiplicity of stator teeth situated along a circumference of the stator core;
coils wound on the stator teeth; and
a multiplicity of connecting terminals for contacting the electric motor in a delta connection with a parallel circuit of the coils per phase, a respective winding wire of the coils being connected directly to the connecting terminal at each connecting terminal, a multiplicity of the coils being electrically connected to at least one of the connecting terminals for the connection in parallel of the relevant coils, and the connecting terminals being provided for at least one of the phases respectively as a terminal pair made up of a main terminal and an additional terminal connected to the main terminal by an electrically conductive connecting piece.

US Pat. No. 10,601,264

METHODS FOR DETECTING AND IDENTIFYING A RECEIVER IN AN INDUCTIVE POWER TRANSFER SYSTEM

Apple Inc., Cupertino, C...

1. A method for detecting a receiver in an inductively coupled power transfer system having:a coil for generating an alternating magnetic field;
a converter for supplying an alternating current to the coil; and
a sensor for measuring the current supplied to the converter;
the method comprising:
operating the converter at a plurality of frequencies within a frequency range;
determining a peak amplitude of the current, measured using the sensor, during an inrush period for each of the plurality of frequencies;
analyzing a characteristic of the determined peak amplitudes within the frequency range; and
detecting a receiver on the basis of the characteristic satisfying a predetermined parameter.

US Pat. No. 10,601,263

WIRELESS CHARGING APPARATUS AND METHOD

SAMSUNG ELECTRONICS CO., ...

1. An electronic device comprising:a battery;
a communication circuit;
a power receiving circuit for generating a current based on an electromagnetic field provided from a wireless power transmitting device; and
controlling circuitry configured to at least:
control to charge the battery using a first current generated at the power receiving circuit based on an electromagnetic field with a first strength provided from the wireless power transmitting device,
based on a full charge condition for the battery being satisfied, control to transmit, through the communication circuit, first information towards the wireless power transmitting device, the first information comprising a charging status of the battery of the electronic device, and
after the first information is transmitted, control to charge the battery using a second current generated at the power receiving circuit based on the electromagnetic field with the second strength provided from the wireless power transmitting device, to maintain the full charge condition for the battery.

US Pat. No. 10,601,262

POWER RECEIVING APPARATUS, METHOD FOR CONTROLLING POWER RECEIVING APPARATUS, AND STORAGE MEDIUM

Canon Kabushiki Kaisha, ...

1. A power receiving apparatus comprising:a power receiving unit configured to receive power wirelessly transmitted by a power transmission apparatus;
a battery configured to store at least a part of power received by the power receiving unit;
a communication unit configured to perform wireless communication for controlling wireless power transmission from the power transmission apparatus to the power receiving unit by using either—power received by the power receiving unit and not stored in the battery or power stored in the battery; and
a switching unit configured to switch a state in which the communication unit performs wireless communication between a first state in which the communication unit performs wireless communication using power received by the power receiving unit and not stored in the battery and a second state in which the communication unit performs wireless communication using power stored in the battery, based on an amount of power stored in the battery and a threshold.

US Pat. No. 10,601,261

PORTABLE ELECTRONIC DEVICE, METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

KYOCERA CORPORATION, Kyo...

1. A portable electronic device, comprising:an operation unit;
a notification unit including a speaker;
a power receiving unit configured to receive power from electromagnetic waves that are supplied from a battery charger; and
a control unit configured to cause the speaker to make a sound notification in response to a determination that the portable electronic device is separated from the battery charger, in a state where the battery charger is supplying the electromagnetic waves to the power receiving unit.

US Pat. No. 10,601,260

POWER TRANSMISSION APPARATUS, CONTROL METHOD FOR POWER TRANSMISSION APPARATUS, AND PROGRAM

Canon Kabushiki Kaisha, ...

1. A power transmission apparatus comprising:a power transmission antenna configured to perform wireless power transmission to a power reception apparatus;
a communication antenna configured to communicate with the power reception apparatus; and
one or more processors configured to cause the power transmission apparatus to:
receive a signal from the power reception apparatus using the communication antenna;
instruct the power reception apparatus to change an impedance of the power reception apparatus using the communication antenna;
determine whether the power reception apparatus changes the impedance of the power reception apparatus according to an instruction in the instructing the power reception apparatus to change the impedance of the power reception apparatus; and
control the power transmission antenna so that the wireless power transmission to the power reception apparatus is suppressed, based on determining that the power reception apparatus does not change the impedance of the power reception apparatus according to the instruction,
wherein, in a case where the power transmission apparatus receives signals from the power reception apparatus and another power reception apparatus, the one or more processors cause the power transmission apparatus to:
instruct respectively the power reception apparatus and said another power reception apparatus to change their respective impedances, wherein an instruction to the power reception apparatus comprises designation to change its respective impedance to a first value, and an instruction to said another power reception apparatus comprises designation to change its respective impedance to a second value, the second value being different from the first value, and
control the power transmission antenna so that the wireless power transmission to the power reception apparatus and said another power reception apparatus is respectively suppressed based on determining that each of the power reception apparatus and said another power reception apparatus does not change its respective impedance according to the respective instructions.

US Pat. No. 10,601,254

ELECTROMAGNETIC-COUPLING-MODULE-ATTACHED ARTICLE

MURATA MANUFACTURING CO.,...

1. An electromagnetic-coupling-module-attached article comprising:an article;
an electromagnetic-coupling module including a radio IC chip and a feeder circuit board attached to the article; wherein
the electromagnetic-coupling module includes a resonant circuit having a predetermined resonant frequency;
the article includes a radiation element that performs at least one of the functions of: radiating a transmission signal supplied from the electromagnetic-coupling module via electromagnetic coupling, and supplying a received reception signal to the electromagnetic-coupling module via electromagnetic coupling;
the feeder circuit board includes a first electrode that opposes the radiation element and a second electrode that opposes the first electrode;
the second electrode is opposed to the radiation element with the first electrode in between the second electrode and the radiation element; and
a frequency of the transmission signal radiated from the radiation element is substantially equal to the predetermined resonant frequency of the resonant circuit.

US Pat. No. 10,601,252

RESONANT WIRELESS POWER TRANSMITTER CIRCUIT AND CONTROL METHOD THEREOF

RICHTEK TECHNOLOGY CORPOR...

1. A resonant wireless power transmitter circuit, comprising:a load circuit;
a power conversion circuit which is coupled between an input power supply and the load circuit, wherein the power conversion circuit is a half-bridge or a full bridge power conversion circuit, and includes a plurality of power switches and a current sensing device, wherein the plurality of power switches are configured to operably switch with an operating frequency to convert the input power supply to an output power for driving the load circuit such that the load circuit has a load current, wherein there is a load current phase difference between the load current and load voltage at the operating frequency; and
a phase detection and control circuit, configured to operably detect a voltage difference between a current inflow terminal and a current outflow terminal of the current sensing device within a dead time period in which each of the plurality of power switches are OFF, wherein the voltage difference corresponds to the load current phase difference.

US Pat. No. 10,601,249

WIRELESS POWER TRANSMITTER AND RECEIVER

LG ELECTRONICS INC., Seo...

1. A method for wirelessly transmitting, by a power transmitter including a primary coil, power, the method comprising:detecting a placement of objects on a surface of an interface included in the power transmitter and selecting a power receiver which belongs to the detected objects and to which power is to be transmitted;
performing digital ping for applying a power signal for detecting and identifying the power receiver to the power receiver and receiving a response to the digital ping from the power receiver;
obtaining information about a configuration of the power receiver and establishing a power transfer contract with the power receiver using the configuration information;
receiving threshold adjustment support information used to adjust a reference threshold of a current of the primary coil from the power receiver prior to the transmission of the power; and
wirelessly transmitting the power to the power receiver based on the established power transfer contract,
wherein the reference threshold is set based on a reference power receiver having a maximum-receivable rectified voltage level set as a predetermined level,
wherein the transmitting the power comprises:
adjusting the reference threshold based on the received threshold adjustment support information; and
determining a power level to be transmitted to the power receiver based on the established power transfer contract and the adjusted reference threshold and transmitting the power having the determined power level to the power receiver,
wherein the threshold adjustment support information is indicative of an inductance value of the power receiver and/or the maximum rectified voltage level capable of being received by the power receiver, and
wherein the adjusting the reference threshold comprises adjusting the reference threshold in inverse proportion to the inductance value and in proportion to the maximum rectified voltage level.

US Pat. No. 10,601,247

SYSTEM FOR THE WIRELESS TRANSMISSION OF ENERGY AND/OR SIGNALS, THE CONVERSION OF ENERGY AND/OR SIGNALS INTO OTHER FORMS OF ENERGY AND/OR FORMS OF SIGNAL, AND THE APPLICATION AND DETECTION OF SAME IN PERIPHERAL REGIONS OF SAID SYSTEM

FRAUNHOFER-GESELLSCHAFT Z...

1. A system for the wireless transmission of energy and/or signals between physically separate regions without electrically conductive connections, the conversion of the energy and/or signals into other energy forms and/or signal forms and the application and/or detection thereof in at least one peripheral region of the system, wherein the system comprisesat least one first transducer element by which magnetic alternating fields and/or magnetic signal forms are generable and/or detectable, the first transducer element being arranged in a first region, and
(a) at least one second transducer element that allows reciprocal, unidirectional or bidirectional conversion of energy of the magnetic alternating fields and/or of the magnetic signal forms into electrical energy and/or electrical signal forms, as well as at least one third transducer element that allows reciprocal, unidirectional or bidirectional conversion of the electrical energy and/or electrical signal forms into mechanical energy, the second transducer element and the third transducer element being arranged in a further region adjacent to the first region,
or
(b) at least one second transducer element by which the energy of the magnetic alternating fields generated by the first transducer element is convertible into thermal energy by hysteretic heating and/or eddy currents and/or by Joule heating of the second transducer element, as well as a thermal conductor element that forwards the thermal energy to a location of application, the second transducer element and the thermal conductor element being arranged in a further region adjacent to the first region,
or
(c) at least one second transducer element that allows reciprocal, unidirectional or bidirectional conversion of energy of the magnetic alternating fields and/or of the magnetic signal forms into electrical energy and/or electrical signal forms and/or thermal energy, as well as at least one fourth transducer element that is electrically and/or thermally conductively connected to the second transducer element and allows reciprocal, unidirectional or bidirectional conversion of the electrical energy and/or electrical signal forms and/or thermal energy into further energy forms, at least partially, and/or forwards these energy forms, the second transducer element and the fourth transducer element being arranged in a further region adjacent to the first region.

US Pat. No. 10,601,241

MULTIBAND WIRELESS POWER SYSTEM

HeartWare, Inc., Miami L...

1. A module for relaying power wirelessly to an implanted device, comprising:an external module;
a receiver configured to receive a first wireless power transmission at a first frequency;
a transmitter configured to transmit a second wireless power transmission at a second frequency different from the first frequency;
a frequency changer coupled to the receiver, the frequency changer configured to convert energy generated by the first wireless power transmission into energy for generating the second wireless power transmission; and
at least one from the group consisting of the receiver, transmitter, and frequency changer are disposed at least one from the group consisting of on the external module and in the external module.

US Pat. No. 10,601,231

CHARGING DEVICE AND CHARGING METHOD FOR A HIGH VOLTAGE BATTERY OF A MOTOR VEHICLE

AUDI AG, Ingolstadt (DE)...

1. A charging device for a high-voltage battery of a motor vehicle, comprising:a first connecting device for coupling a charging cable of a charging station external to the vehicle; and
a second connecting device for connecting a high-voltage battery,
wherein a diode element is connected between the first connecting device and the second connecting device, which is adapted to independently allow charging current to flow from the charging station into the high-voltage battery and to prevent discharge current from flowing from the high-voltage battery into the charging station,
wherein a monitoring unit is provided, which is adapted to detect a predetermined feedback situation, during which the diode element blocks the discharge current or the discharge current flowing during a defect, and which is configured to trigger a predetermined emergency shutdown measure when the feedback situation is detected, and
wherein the monitoring unit is included in the charging device of the motor vehicle, and the monitoring unit is independent of the charging station in protecting the charging device of the motor vehicle.

US Pat. No. 10,601,228

INTELLIGENT CURRENT LIMITING TO ENABLE CHAINING OF AC AND DC APPLIANCES

Hall Labs LLC, Provo, UT...

1. A system of chained AC and DC electrical appliances and at least one AC/DC power adapter comprising:a plurality of AC electrical appliances connected in a chain configuration each AC electrical appliance comprising:
an AC electrical input;
an AC electrical output;
a main circuit between the AC electrical input and the AC electrical output;
a second circuit powering the components of the AC electrical appliance;
a conductor connecting the AC electrical input, the AC electrical output, and the second circuit powering the components of the AC electrical appliance, the conductor comprising;
an AC current limiting device with an AC current limit common to the plurality of AC electrical appliances;
the conductor having a current-carrying capacity greater than the AC current limit;
at least one AC/DC power adapter connected in the chain configuration, the AC/DC power adapter comprising:
an AC electrical inlet;
an AC electrical outlet;
a DC electrical outlet;
a second main circuit between the AC electrical inlet and the AC electrical outlet;
a separate circuit connected to the DC electrical outlet;
a DC current limiting device on the separate circuit connected to the DC electrical outlet having a DC current limit;
the separate circuit connected to the DC electrical outlet having a current-carrying capacity greater than the DC current limit;
a plurality of DC electrical appliances, connected to the AC/DC power adapter and to each other in the chain configuration each DC electrical appliance comprising:
a DC electrical input;
a DC electrical output; and
a third main circuit between the DC electrical input and the DC electrical output;
a divergent circuit connected to the DC electrical outlet;
wherein, the AC current limiting device in the conductor of at least one of the AC electrical appliances limits a flow of current to the second circuit powering the components of the at least one AC electrical appliance when the flow of current within the conductor of the AC electrical appliance approaches the AC current limit;
wherein when the AC current limiting device limits the flow of current to the second circuit powering the components of the AC electrical appliance the flow of current is still passed through the AC electrical appliance along the main circuit to subsequent AC electrical appliances and the at least one AC/DC power adapter in the chain configuration;
wherein, the DC current limiting device in the AC/DC power adapter limits a flow of current to the separate circuit connected to the DC electrical outlet when the flow of current within the separate circuit connected to the DC electrical outlet of the AC/DC power adapter approaches the DC current limit; and
wherein when the DC current limiting device limits the flow of current to the separate circuit connected to the DC electrical outlet the flow of current is still passed through the AC/DC power adapter along the second main circuit to subsequent AC electrical appliances in the chain configuration.

US Pat. No. 10,601,227

POWER PLANT RAMP RATE CONTROL

ABB SCHWEIZ AG, Baden (C...

1. A method for controlling plant active power output ramp rate of a power plant to a Point of Common Coupling, PCC, with a power grid, the method comprising:obtaining information about a current RES active power output of a Renewable Energy Source, RES, comprised in the power plant;
forecasting future RES active power output, during a predefined future time period, based on input signals from a meteorological sensor;
based on the obtained current RES active power output information and on the forecasted RES active power output, determining whether an expected ramp rate of the RES active power output during said predefined time period exceeds a predefined maximum ramp rate limit of a plant active power output, the plant active power output being a combination of the RES active power output and an ESS active power output, of an Energy Storage System, ESS, comprised in the power plant, at any given time;
selecting a first control method which is based on the forecasted future RES active power output when it has been determined that the expected ramp rate exceeds the predefined maximum ramp rate limit during the predefined time period, wherein the first control method is a forecast ramp rate (FCRR) control method that is based on only the forecasted future RES active power output;
selecting a second control method which is not based on the forecasted future RES active power output when it has been determined that the expected ramp rate does not exceed the predefined maximum ramp rate limit during the predefined time period, wherein the second control method is a combination of less than 50% of the FCRR control method and at least 50% of a standard ramp rate (STDRR) control method that does not require any forecasted future RES active power output; and
generating an ESS control signal for controlling the ESS active power output such that the plant active power output ramp rate is kept below the predefined maximum ramp rate limit during the predefined time period, wherein the ESS control signal is generated using the selected one of the first control method and the second control method, no matter which one of the first control method and the second control method is selected,
wherein the first control method and the second control method are two different control methods that are independent of each other, and lead to different ESS control signals respectively.

US Pat. No. 10,601,226

ADVANCED UNINTERRUPTABLE POWER MODULE CONTROLLER AND METHOD OF OPERATING SAME

BLOOM ENERGY CORPORATION,...

1. A method of parallel operation of multiple power sources, comprising:measuring, by a droop controller master, a load demand for the multiple power sources;
receiving, by a first droop controller slave from the droop controller master, the load demand for the multiple power sources;
determining, by the first droop controller slave, a power capacity of a first fuel cell power source of the multiple power sources;
calculating, by the first droop controller slave, at least one of a first slope and a first no load set point for a first droop profile for the first fuel cell power source using the load demand for the multiple power sources and the power capacity of the first fuel cell power source, wherein the first droop profile and at least a second droop profile for a second power source provide for all of the load demand for the multiple power sources; and
configuring a first inverter for the first fuel cell power source to output power according to the first droop profile.

US Pat. No. 10,601,221

ELECTROSTATIC PROTECTION CIRCUIT OF DISPLAY PANEL AND DISPLAY PANEL

WUHAN CHINA STAR OPTOELEC...

1. An electrostatic protection circuit of a display panel, comprising:a high potential electrostatic output line, a low potential electrostatic output line, a first P-type thin film transistor, a second P-type thin film transistor, a first N-type thin film transistor, a second N-type thin film transistor, and an electrostatic signal input line;
a gate of the first P-type thin film transistor connected to the high potential electrostatic output line, and a drain of the first P-type thin film transistor connected to the high potential electrostatic output line;
a gate of the second P-type thin film transistor connected to the high potential electrostatic output line, a drain of the second P-type thin film transistor connected to a source of the first P-type thin film transistor, and a source of the second P-type thin film transistor connected to the electrostatic signal input line;
a gate of the first N-type thin film transistor connected to the low potential electrostatic output line, a drain of the first N-type thin film transistor connected to the low potential electrostatic output line; and
a gate of the second N-type thin film transistor connected to the low potential electrostatic output line, a drain of the second N-type thin film transistor connected to a source of the first N-type thin film transistor, and a source of the second N-type thin film transistor connected to the electrostatic signal input line,
wherein when the electrostatic discharge is occurred in the display panel, the potential of the electrostatic signal input line is higher than the potential of the high potential electrostatic output line, the first P-type thin film transistor and the second P-type thin film transistor are turned on, the first N-type thin film transistor and the second N-type thin film transistor are turned off.

US Pat. No. 10,601,220

WINDOW CONTROL DEVICE FOR A VEHICLE AND A METHOD THEREFOR

HYUNDAI MOTOR COMPANY, S...

1. A device for controlling a window of a vehicle, the device comprising:a driving motor configured to drive a window glass;
a first hall sensor configured to generate a first pulse signal corresponding to a rotation of the driving motor;
a second hall sensor configured to generate a second pulse signal corresponding to a rotation of the driving motor;
a voltage sensor configured to sense a voltage signal provided to the driving motor; and
a controller configured to perform a safety function based on one of only the first pulse signal generated by the first hall sensor and the voltage signal sensed by the voltage sensor or only the second pulse signal generated by the second hall sensor and the voltage signal sensed by the voltage sensor.

US Pat. No. 10,601,218

POWER MANAGEMENT AND FAULT DETECTION SYSTEM

GE Aviation Systems LLC, ...

1. A DC power distribution system for an aircraft comprising:a controller; and
a set of power-using devices, each power-using device in the set having a sensor connected to the controller and configured to detect a parameter associated with at least one of a respective voltage and current, and to transmit a sensor signal representing the parameter to the controller;
wherein if the parameter is voltage, the controller is configured to compare a first respective voltage associated with a first power-using device to a second respective voltage associated with a second power-using device to indicate one of a fault in one of the first and second power-using devices, a need for maintenance of a power-using device, and a need for adjustment of environmental conditions associated with a power-using device, by determining one of the fault, the need for maintenance and the need for adjustment in real time based on the sensor signal, and contemporaneously transmitting a controller signal indicative of one of the fault, the need for maintenance and the need for adjustment.

US Pat. No. 10,601,217

METHODS FOR DETECTING AN IMMINENT POWER FAILURE IN TIME TO PROTECT LOCAL DESIGN STATE

QUALCOMM Incorporated, S...

20. A method for power failure mitigation on a chip including a first circuit in a first power domain, a second circuit in a second power domain, and a signal line that provides communication between the first and second circuits and crosses between the first and second power domains, wherein the method comprises:detecting an imminent power failure of at least one of the first power domain or the second power domain;
in response to detection of the imminent power failure, clamping a portion of the signal line in the second power domain to a logic state; and
in response to detection of the imminent power failure, performing at least one of storing current logic states of the second circuit in a non-volatile memory or storing security information in the non-volatile memory.

US Pat. No. 10,601,215

ON-VEHICLE POWER SOURCE SWITCH APPARATUS AND CONTROL APPARATUS

AutoNetworks Technologies...

1. An on-vehicle power source switch apparatus comprising:a separation switch connected between a first system and a second system, the first system including a generator that generates power at least at a time of vehicle regeneration, a first power storage device that is charged by the generator, and a first vehicle load that receives power from the first power storage device, and the second system including a second power storage device and a second vehicle load that receives power from the second power storage device;
a first control circuit that outputs a first provisional control signal for controlling on/off switching of the separation switch;
a second control circuit that outputs a second provisional control signal for controlling on/off switching of the separation switch; and
a logic circuit that switches off the separation switch when at least either one of the first provisional control signal and the second provisional control signal indicates off, and switches on the separation switch when both the first provisional control signal and the second provisional control signal indicate on,
wherein in accordance with a start of power generation by the generator, the first control circuit and the second control circuit output the first provisional control signal and the second provisional control signal that indicate on, and when a ground fault occurs in the first system or the second system, the first control circuit and the second control circuit output the first provisional control signal and the second control signal that indicate off.

US Pat. No. 10,601,214

METHOD OF CLEARING A FAULT IN A HVDC ELECTRICAL NETWORK

GENERAL ELECTRIC TECHNOLO...

1. A method of clearing a fault in a high voltage DC electrical network including at least three power converters interconnected by at least a first DC power transmission medium, the method comprising:detecting a fault in the first DC power transmission medium and in response reconfiguring each power converter from a normal power transmission mode to a fault blocking mode to drive the resulting DC fault current flowing in the first DC power transmission medium towards zero;
locating the fault in the first DC power transmission medium and isolating a faulty portion of the first DC power transmission medium from a healthy remaining portion of the first DC power transmission medium;
reconfiguring at least one of the power converters designated as a re-energising power converter from the fault blocking mode to a re-energising mode to re-energise the healthy remaining portion of the first DC power transmission medium; and
detecting a rise in the voltage level with respect to earth in the healthy remaining portion of the first DC power transmission medium above a first threshold level and in response reconfiguring the remaining power converter connected with the healthy remaining portion of the first DC power transmission medium from the fault blocking mode to the normal power transmission mode.

US Pat. No. 10,601,213

ARC FAULT DETECTION USING FREQUENCY HOPPING TECHNIQUES

Schneider Electric USA, I...

1. A method of detecting an arc fault on a power line, comprising:sampling a high frequency signal on a power line sequentially at different frequency regions according to a frequency hopping sequence over a predefined time period, the sampling a high frequency signal step being repeated a number of times over a predefined time period, the different frequency regions including at least one frequency region that includes a carrier for power line communication on the power line and at least one frequency region that excludes a carrier for power line communication on the power line;
obtaining a plurality of energy measurements of the sampled high frequency signals for each frequency region in the frequency hopping sequence based on the sampled high frequency signals;
computing an energy level for each frequency region of the frequency-hopping sequence based on the plurality of energy measurements for each frequency region;
assigning a binary value to each frequency region in the frequency hopping sequence according to the energy level corresponding to the frequency region, the binary value representing a presence or absence of signal content in the frequency region; and
determining a presence or absence of an arc fault event based on the binary values for the frequency regions of the frequency-hopping sequence.

US Pat. No. 10,601,212

AIRFLOW SEALING SOLUTION

Dell Products, L.P., Rou...

1. An IHS (Information Handling Systems) comprising:a first compartment comprising one or more processors;
one or more cooling fans configured to ventilate air from within the first compartment, wherein the cooling fans are housed within a fan housing comprising a cable channel for traversing one or more cables into the first compartment; and
a foam sealing block, wherein the foam sealing block is folded around the one or more cables, and wherein the folded foam sealing block is positioned within the cable channel of the fan housing such that the one or more cables traverse the cable channel, and wherein, upon positioning of the folded foam sealing block within the cable channel, the sealing block restricts the transfer of air via the cable channel, and wherein the top surface of the foam sealing block is formed from a plurality of rows of protrusions that restrict airflow through gaps between the foam sealing block and portions of the cables that are folded within the foam sealing block and through gaps between the portions of the cables that are folded within the foam sealing block.

US Pat. No. 10,601,211

COIL FOR HANDLING OVERLENGTH OF AN ELECTRICAL CABLE

1. An assembly intended to form an electrical path, with said assembly comprising:a harness which comprises several electrical cables parallel to each other, and
a coil which has a body which said electrical cables are held to, with the body extending parallel to a common direction of extension of the electrical cables, and arms,
wherein the arms each have a first end and a second end, with the second end of each arm being movable with respect to the body, with the arms being mounted on said body, on one of the first and second ends, with at least one of said electrical cables being fixed on the second end of each arm, with the second end of each arm being movable, independently of the second ends of the other arms, between a position for maximum absorption of overlength of the at least one of said electrical cable, in which the second end is radially remote from the body, and a position for maximum creation of overlength of the at least one of said electrical cables, in which the second end is closer to the body, so that, by adjusting the positions of the second ends of the arms with respect to the body in the position for maximum absorption or for maximum creation of overlength, or in intermediate positions of the second ends of the arms between said respective positions;
for maximum absorption of overlength of the at least one of said electrical cables, and
for maximum creation of overlength of the at least one of said electrical cables, wherein
the electrical cables all extend in a same plane at least at one end of the harness.

US Pat. No. 10,601,210

ELECTRICAL COUNTERTOP BOX WITH TRAPDOOR COVER

ARLINGTON INDUSTRIES, INC...

1. An electrical box assembly to mount an electrical component to a countertop having a top surface, a bottom surface, and a hole therein, comprising:an electrical box including a bottom wall and a sidewall extending upward from said bottom wall to form an electrical enclosure;
a bracket including a base having apertures and a plurality of arms extending from said base, said arms to extend through the hole in the countertop;
mounting fasteners for securing said electrical box to said countertop, said mounting fasteners extending through said bottom wall of said electrical box and into said apertures in said base of said bracket;
a cover plate to attach to said electrical box and seat against the countertop;
an opening in said cover plate in communication with said electrical enclosure, said opening including an edge;
a cover assembly including a lid and the electrical component, said cover assembly hinged to said cover plate and rotatable from a closed position on said electrical enclosure to an open position to provide access to the electrical component above the countertop; and
a recessed area in said cover plate surrounding said opening, said recessed area for flush closure of said lid with said cover plate;
a plurality of channels in said sidewall of said electrical box, each of said channels adapted to accommodate a corresponding one of said arms of said electrical box upon insertion of said electrical box through the countertop;
a channel cover on each of said channels of said electrical box;
a slot in each of said channel covers;
a ramp secured to said electrical box in each of said channels;
a cover bracket in each of said channels;
an opening in each of said cover brackets for snap engagement to said ramps to lock said cover brackets to said electrical box;
said cover brackets including a tab having an aperture, said aperture in said tab to accept cover fasteners for securing said cover assembly to said electrical box; and
said cover plate including apertures in said recessed area to obscure said cover fasteners when said lid is in the closed position.

US Pat. No. 10,601,209

CABLE MANAGEMENT SYSTEM AND COMPONENTS THEREFOR

GINNOVEST PTY LTD, Aitke...

1. A method for installing an in-wall cable management system, the method comprising: providing a wall having a front surface and a back surface, the wall having formed therein an upper hole and a lower hole, each of which extends from the front surface through to the back surface with an internal wall surface provided therebetween, the upper hole being substantially aligned and spaced apart along a vertical axis from the lower hole, the method comprising providing an upper mounting component and a lower mounting component, each mounting component comprising an outer opening at a first end with an outer flange surrounding the outer opening and extending radially therefrom, the outer opening leading to a rearwardly extending tubular portion terminating at a second end, the second end having an inner opening configured to allow cables to extend therethrough, into the tubular portion and out from the outer opening, each mounting component further comprising an inner flange that extends radially away from the tubular portion and is substantially parallel to and inwardly spaced from the outer flange, each mounting component comprising a bracing rib disposed between the outer flange and the inner flange, each mounting component comprising a plurality of mounting arms extending rearwardly from the outer flange, each mounting arm having a spring clip extending therefrom, wherein a top end of a flexible, length adjustable and stretchable tubular conduit is secured to the second end of the tubular portion of the upper mounting component so as to provide for passage of cables through the tubular conduit and into the inner opening, the method comprising feeding a bottom end of the tubular conduit into and through the upper hole and allowing the bottom end of the tubular conduit to drop down vertically behind the wall, inserting the upper mounting component into the upper hole by depressing backwards the spring clips of the upper mounting component to enable the spring clips to clear the upper hole and pushing the upper mounting component into the upper hole until the spring clips of the upper mounting component rebound against the back surface of the wall to retain the upper mounting component in place as the outer flange of the upper mounting component overlies and abuts a portion of the front surface of the wall surrounding the upper hole, wherein the inner flange of the upper mounting component helps to maintain the outer flange of the upper mounting component flush on the wall, the bracing rib and mounting arms of the upper mounting component contacting the internal wall surface to further retain the upper mounting component in position within the upper hole, the method further comprising pulling the bottom end of the tubular conduit through the lower hole and securing the bottom end of the tubular conduit to the second end of the tubular portion of the lower mounting component so as to provide for passage of cables through the tubular conduit and into the inner opening of the tubular portion of the lower mounting component, the method further comprising inserting the lower mounting component into the lower hole by depressing backwards the spring clips of the lower mounting component to enable the spring clips of the lower mounting component to clear the lower hole and pushing the lower mounting component into the lower hole until the spring clips of the lower mounting component rebound against the back surface of the wall to retain the lower mounting component in place as the outer flange of the lower mounting component overlies and abuts a portion of the front surface of the wall surrounding the lower hole, wherein the inner flange of the lower mounting component helps to maintain the outer flange of the lower mounting component flush on the wall, the bracing rib and mounting arms of the lower mounting component contacting the internal wall surface to further retain the lower mounting component in position within the lower hole, wherein the tubular conduit is maintained in tension when stretched between the upper mounting component and lower mounting component, and wherein the spring clips of each respective mounting component, once the in-wall cable management system is installed, help to hold each mounting component securely in place due to eccentric tension caused by the tubular conduit.

US Pat. No. 10,601,207

METHOD OF MANUFACTURING WIRE WITH TERMINAL AND CRIMPING TERMINAL

YAZAKI CORPORATION, Toky...

1. A method of manufacturing a wire with a terminal comprising:a crimping process of crimping a crimping terminal on a wire by a terminal crimping apparatus that includes;
a first mold including a supporting surface that supports the crimping terminal including a wire connection portion having a bottom wall portion and a pair of side wall portions that faces each other in a width direction of the bottom wall portion and protrudes from both ends in the width direction of the bottom wall portion;
a second mold disposed to face the supporting surface, and including a recessed wall surface opened toward the supporting surface, on a surface facing the supporting surface; and
a driving device configured to reciprocate the second mold in a stroke direction being a direction in which the supporting surface and the second mold face each other, wherein
the recessed wall surface includes a first wall surface and a second wall surface that are configured to face side wall surfaces of the first mold, and are facing each other in the width direction, and a third wall surface connecting the first wall surface and the second wall surface, and curved toward an opposite side to the supporting surface, the first wall surface, the second wall surface, and the third wall surface defining a recessed space in the second mold,
the first wall surface and the second wall surface include inclined portions and parallel portions,
the inclined portions are positioned at end portions of the third wall surface side on the first wall surface and the second wall surface, and inclined with respect to the stroke direction so that an interval in the width direction becomes narrower as going to the third wall surface,
the parallel portions extend from the inclined portions toward an opposite side to the third wall surface side, and are parallel to the stroke direction,
in the crimping process, the driving device moves the second mold in the stroke direction such that the first mold extends into the recessed space in the second mold and the side wall surfaces of the first mold are located between the parallel portion of the first wall surface and the parallel portion of the second wall surface, and
in the crimping process, the side wall surfaces of the first mold face the inclined portions such that boundaries between the inclined portions and the third wall surface are positioned on the upper side than upper ends of the side wall surfaces of the first mold and boundaries between the inclined portions and the parallel portions are positioned on a lower side than the upper ends of the side wall surfaces of the first mold in a state in which the first mold and the second mold come closest to each other in the stroke direction.

US Pat. No. 10,601,204

ELECTRICAL UNIT FOR A MOTOR CONTROL CENTER WITH INGRESS PROTECTION

Rockwell Automation Techn...

1. An electrical unit for a Motor Control Center (MCC), comprising:a support structure for supporting an electrical component configured to receive first and second pluralities of signals from an MCC;
a front wall and opposing sidewalls attached to the support structure, the front wall, the opposing sidewalls and the support structure forming an interior volume of the electrical unit containing the electrical component with the front wall providing a door;
an actuating mechanism for selectively moving the electrical unit with respect to the MCC, the actuating mechanism having a handle protruding through the front wall, the handle being moveable between a plurality of positions including: a first position corresponding to a connected position in which the electrical unit is fully inserted in the MCC with the first and second pluralities of signals being connected; a second position corresponding to a test position in which the electrical unit is partially withdrawn from the MCC with the first plurality of signals being disconnected and the second plurality of signals being connected; and a third position corresponding to a disconnected position in which the electrical unit is partially withdrawn from the MCC with the first and second pluralities of signals being disconnected; and
sealing members attached to the opposing, sidewalls in areas external to the interior volume of the electrical unit, wherein the sealing members form barriers in gaps leading to an interior volume of the MCC between the opposing sidewalls and the MCC to provide arc fault protection when the electrical unit is partially withdrawn from the MCC in the second and third position.

US Pat. No. 10,601,198

DUAL WAVELENGTH HYBRID DEVICE

POET Technologies, Inc., ...

1. A semiconductor device comprising:an n-type ohmic contact layer formed above a substrate;
a cathode terminal electrode formed on a first section of the n-type ohmic contact layer;
a first ion implant region formed in a first region of the n-type ohmic contact layer;
a second ion implant region formed on the first ion implant region;
a p-type modulation doped quantum well (QW) structure formed above the n-type ohmic contact layer;
a third ion implant region formed on the second ion implant region, and that encompasses the p-type modulation doped QW structure;
a first injector terminal electrode formed on the third ion implant region;
an n-type modulation doped QW structure formed above the p-type modulation doped QW structure;
a fourth ion implant region formed in a first region of the n-type modulation doped QW structure;
a second injector terminal electrode formed on the fourth ion implant region, and in direct contact with the fourth ion implant region;
a first plurality of layers formed above the n-type modulation doped QW structure;
fifth and sixth ion implant regions formed in a depth within the first plurality of layers;
a p-type ohmic contact layer formed above the n-type modulation doped QW structure; and
a split anode terminal electrode having first and second parts that are formed on first and second sections of the p-type ohmic contact layer, respectively, wherein the first and second parts are separated by a trench that is formed between the first and second parts, wherein the second injector terminal electrode is in the trench such that the second injector terminal electrode is between the first and second parts, and wherein the semiconductor device is configured to operate in at least one of a vertical cavity mode and a whispering gallery mode.

US Pat. No. 10,601,192

THREE-DIMENSIONAL CONVERTOR

GONGNIU GROUP CO., LTD., ...

1. A three-dimensional convertor, comprising:a housing; and,
a socket interior provided inside the housing; wherein the socket interior comprises:
clapboards comprising a first clapboard, a second clapboard, a third clapboard and a fourth clapboard which are sequentially stacked; and,
a live plug bush conductive sheet, a naught wire plug bush conductive sheet and an earth plug bush conductive sheet; wherein,
the naught wire plug bush conductive sheet is provided between the first clapboard and the second clapboard, the earth plug bush conductive sheet is provided between the second clapboard and the third clapboard, and the live wire plug bush conductive sheet is provided between the third clapboard and the fourth clapboard;
a buckle structure provided between the first clapboard and the fourth clapboard, so as to form a tight integral socket interior by mutually stacking each clapboard and each plug bush conductive sheet and making them press against each other;
wherein the buckle structure comprises at least one of:
(1) buckle arms buckled with each other and positioned between the first clapboard and the fourth clapboard, and each clapboard and a corresponding conductive sheet are pressed against each other when a buckle arm of the first clapboard is buckled with a buckle arm of the fourth clapboard; or
(2) a first positioning post positioned on the first clapboard or on the fourth clapboard, and a first positioning hole positioned on other clapboards except on the clapboard provided with the first positioning post and engages with the first positioning post; and
the housing comprises at least two jack surfaces and a jack is provided on each of the at least two jack surfaces,
wherein each jack corresponds to one of the live wire plug bush conductive sheet, the naught wire plug bush conductive sheet and the earth wire plug bush conductive sheet.

US Pat. No. 10,601,188

JUMPER HARNESS WITH LED

CNH Industrial America LL...

1. A jumper harness for a work vehicle or agricultural implement, comprising:a plurality of electrical conductors;
a first connector;
a second connector, wherein the first and second connectors are configured to couple the jumper harness to a wiring harness of an electrical circuit of the work vehicle or the agricultural implement; and
a light emitting diode (LED) coupled to the electrical conductors, wherein the LED is configured to emit light when receiving electric power;
wherein an entirety of the jumper harness is disposed on the agricultural implement when coupled to the wiring harness on the agricultural implement, wherein the wiring harness is coupled to a solenoid or a valve, and the LED is configured to emit light when the solenoid or the valve is receiving the electric power.

US Pat. No. 10,601,187

OVERLOAD PREVENTION IN A POWER DISTRIBUTION UNIT WITH ELECTRICAL POWER OUTLET SOCKETS

International Business Ma...

1. An electrical power distribution unit for overload prevention comprising:a plurality of electrical power outlet sockets, each electrical power outlet socket of the plurality of electrical power outlet sockets configured to receive a power plug;
a power distribution system for supplying electrical power to the plurality of electrical power outlet sockets; and
an excess power detector for detecting an aggregate power drawn from the plurality of electrical power outlet sockets and for actuating a disabling mechanism for disabling power supply for a subset of the plurality of electrical power outlet sockets in response to the detected aggregate power exceeding a predetermined first threshold, wherein the subset of the plurality of electrical power outlet sockets are sockets that are detected as currently not drawing power;wherein the excess power detector includes:a predetermined second threshold above the first threshold and, in response to the detected aggregate power exceeding the predetermined second threshold, the excess power detector actuating the disabling mechanism for an additional subset of sockets, wherein the additional subset of sockets are currently drawing power, and
a predetermined third threshold that is set at a percentage of a rated loading of the electrical power distribution unit, based on at least one of: a ratio of a number of sockets in the electrical power distribution unit and an average current drawing of a socket, and, in response to the detected aggregate power being below the predetermined third threshold, de-actuating the disabling mechanism for a third subset of sockets, and wherein the predetermined third threshold is below the predetermined first threshold.

US Pat. No. 10,601,186

PLUG ELECTRICAL CONNECTOR

Advanced Connectek Inc., ...

1. A plug electrical connector, comprising:an insulator;
a plurality of elastic terminals, respectively disposed to the insulator and arranged along an axial direction, wherein the elastic terminals comprise at least one grounding terminal, and the grounding terminal is arranged at an outmost position of the elastic terminals;
at least one shielding spring, assembled to the insulator, wherein a portion of the shielding spring in the axial direction is located on a deformable path of the grounding terminal; and
an outer shell, accommodating the insulator, the elastic terminals, and the shielding spring.

US Pat. No. 10,601,184

HIGH SPEED ELECTRICAL CONNECTOR HAVING DIFFERENT CONDUCTIVE MODULES

STARCONN ELECTRONICS (SU ...

1. An electrical connector, comprising:an elongated housing, wherein a longitudinal direction of the housing defines an arrangement direction; and
N numbers of first conductive modules and M numbers of second conductive modules both inserted into the housing and arranged in a row along the arrangement direction, wherein the first conductive module is constructed by a plurality of first transmission wafers stacked side by side along the arrangement direction, the second conductive module is constructed by a plurality of second transmission wafers stacked side by side along the arrangement direction, and the structure of each of the first transmission wafers is different from that of each of the second transmission wafers,
wherein each of N and M is a positive integer, the sum of N and M is equal to or more than three, and each of the first transmission wafers includes:
a first insulating frame including an elongated first front end portion and an elongated first bottom end portion, wherein a longitudinal direction of the first front end portion is substantially perpendicular to that of the first bottom end portion, and the first bottom end portion has a plurality of retaining structures; and
a plurality of first signal terminals each including a first middle segment, a first contacting segment extending from an end of the first middle segment, and a first mounting segment extending from another end of the first middle segment, wherein the first middle segments are fixed in the first insulating frame, the first contacting segments protrude from the first front end portion and are inserted into the housing, and the first mounting segments protrude from the first bottom end portion,
wherein at least portion of the first transmission wafers of N numbers of the first conductive modules each further include:
a first shielding member including a first sheet portion, a plurality of first contacting portions extending from the first sheet portion, and a plurality of first mounting portions extending from the first sheet portion, wherein the first sheet portion is fixed on an outer surface of the first insulating frame, the first contacting portions protrude from the first front end portion and are disposed in the housing, and each of the first mounting portions partially protrudes from the first bottom end portion, and wherein the first mounting portions and the first mounting segments are arranged in a row along an inserting direction perpendicular to the arrangement direction, and the first mounting portions are respectively inserted into and bent out of the retaining structures,
wherein in any of the first transmission wafers having the first shielding member, each of the first mounting portions includes a flat part bent with respect to the first sheet portion in a substantial 90 degrees along a first rotation direction and an inserting part bent with respect to the flat part in a substantial 90 degrees along a second rotation direction that is opposite to the first rotation direction, and each of the retaining structures has a retaining channel substantially parallel to the arrangement direction, and wherein in each of the retaining structures and the corresponding first mounting portion, the flat part is fixed in the retaining channel, and the inserting part protrudes from the retaining channel.

US Pat. No. 10,601,182

CONNECTOR

KYOCERA CORPORATION, Kyo...

1. A connector comprising:a first connector equipped with
a first insulator that includes a pair of outer peripheral walls opposing each other, and a fitting projection formed between said pair of outer peripheral walls, and
a first shielding member supported by said first insulator; and
a second connector equipped with
a second insulator having a fitting recess fit to said fitting projection, and
a second shielding member supported by said second insulator,
wherein, when said first connector and said second connector are fitted to each other, a part of one of said first shielding member and said second shielding member is located inside a double structure provided along a side of the other.

US Pat. No. 10,601,181

COMPACT ELECTRICAL CONNECTOR

Amphenol East Asia Ltd., ...

1. A receptacle connector, comprising:an insulative body, comprising a front side configured with a plug interface, the plug interface comprising an accommodation space in the insulative body; and
a plurality of metal terminals embedded in the insulative body, the metal terminals comprising front ends exposed in the accommodation space, and rear ends extending from a rear end of the insulative body; and
a metal housing bounding an assembly space running through front and rear sides, wherein the insulative body extends into and is fixed within the assembly space;
wherein:
the metal housing comprises a first side wall that (i) comprises at least one snap-fit hole, (ii) faces a corresponding side face of the insulative body and (iii) is at a distance from the corresponding side face so as to form an abutting groove between the first side wall and the corresponding face,
the abutting groove is positioned to receive an abutting wall of a further connector when the further connector is mated with the connector such that a plurality of terminals of the further connector extend into the accommodation space and are electrically connected to the metal terminals,
the at least one snap-fit hole is positioned to receive at least one projecting block mounted to an outer side of the abutting wall.

US Pat. No. 10,601,178

LOCKING CLIP FOR A PLUG CONNECTOR HOUSING

1. A locking clip for coupling a first connector housing to a second connector housing, comprising:a rear wall;
lower arms arranged in parallel planes extending perpendicularly on opposite sides from a lower portion of the rear wall;
pivot holes formed coaxially in each of the lower arms;
upper arms arranged in the parallel planes extending perpendicularly on opposite sides from an upper portion of the rear wall, the upper arms being pivotable relative to the lower arms by bending the rear wall;
receiving slots, one receiving slot formed in each of the upper arms, each receiving slot extending inwardly towards the rear wall and upwardly away from the lower arm;
lower arm levers, one lower arm lever formed in each of the lower arms extending towards the rear wall; and
upper arm levers, one upper arm lever formed in each of the upper arms extending away from the rear wall, the upper arm levers being arranged below and at a distance from the lower arm levers,
wherein, in a locked position, the pivot holes are held by pivot pins of the first connector housing and the receiving slots engage locking pins of the second connector housing.

US Pat. No. 10,601,177

ELECTRICAL CONNECTOR LOCK WITH REVERSE STOP

Lear Corporation, Southf...

1. An electrical connector comprising:an electrical connector housing; and
a lever that is supported on the electrical connector housing and movable relative to the electrical connector housing between a pre-mate position and a final position, the lever including a catch that is movable relative to the lever between an open position and a closed position, wherein when the lever is in the final position and the catch is in the closed position:
the catch retains the lever in the final position relative to the electrical connector housing,
the catch is adapted to be moved in a forward direction relative to the lever to the open position wherein the catch does not retain the lever in the final position relative to the electrical connector housing, and
the catch is adapted to be moved in a reverse direction relative to the lever when the lever is moved toward the pre-mate position.

US Pat. No. 10,601,174

ELECTRICAL CONNECTOR ASSEMBLY WITH A LOCKING DEVICE TO STABILIZE THE ELECTRICAL CONNECTION

Tyco Electronics (Shangha...

1. An electrical connector adapted to be mated with a mating electrical connector, comprising:a housing including a cylinder having a receiving passage extending in an axial direction of the electrical connector;
a conductive terminal disposed in the receiving passage; and
a locking device including:
(a) a body portion;
(b) a locking portion disposed at a first end of the body portion and configured to engage with a mating locking portion of the mating electrical connector to lock the electrical connector with the mating electrical connector;
(c) a releasing portion disposed at a second end of the body portion opposite the first end of the body portion and configured to release the engagement between the locking portion and the mating locking portion; and
(d) a flexible connecting arm formed in a curved shape and connecting the body portion to an outer surface of the cylinder;
wherein the housing includes a first flange protruding outwards from a rear end of the cylinder and a connecting portion extending rearwards in the axial direction perpendicular to the first flange, a plurality of external threads are formed on an outer surface of the connecting portion.

US Pat. No. 10,601,173

BAYONET CONNECTOR AND METHODS FOR INCORPORATING BAYONET CONNECTOR

Canon U.S.A., Inc., Melv...

1. A connecting apparatus comprising:a cylindrical housing comprising:
at least one boss configured on the outer surface of the cylindrical housing;
at least one locking boss located on a resilient hinge formed by a slot in the outer surface of the cylindrical housing; and
a handle in communication with the locking boss, and
a receiver adapted to receive the cylindrical housing, wherein the receiver comprises:
a cylindrical cavity configured to receive the cylindrical housing; and
at least one helical cam channel configured to receive the at least one boss,
wherein the at least one locking boss is configured to resiliently move relative to the cylindrical housing,
wherein the handle in communication with the locking boss is configured to move the locking boss,
wherein connecting and disconnecting the cylindrical housing to the receiver requires manipulation of the cylindrical housing only, and
wherein the receiver is immobilized and configured to resist a force exerted upon the receiver when connecting and disconnecting the cylindrical housing.

US Pat. No. 10,601,169

CONNECTOR

Sumitomo Wiring Systems, ...

1. A connector into which a mating connector can fit from a front, comprising:a tubular receptacle including a forwardly open fitting opening capable of accommodating the mating connector fit through the fitting opening;
a drainage recess penetrating in a direction perpendicular to a front-rear direction at a position retracted from the fitting opening in the receptacle; and
partitioning ridges provided at positions retracted from the fitting opening and projecting from the receptacle in a direction intersecting the front-rear direction;
a front end of some partitioning ridge, out of the plurality of partitioning ridges, being coupled to and flush with a back wall of the drainage recess.

US Pat. No. 10,601,166

ELECTRICAL HARNESS CONNECTION BOARD

1. An electrical board for connecting two electrical harnesses to each other, wherein said board comprises a module holder and a plurality of connector modules to establish the connection between the two electrical harnesses, each connector module comprising a base engaged with the module holder, a perforated core extending the base and allowing connection of the two harnesses to each other via plugs, wherein the module holder comprises:a fixed jaw;
a movable jaw mounted to pivot on the fixed jaw between a closed position in which the movable jaw is against the fixed jaw and an open position in which the movable jaw is spaced apart from the fixed jaw, and
locking means for holding the movable jaw in said closed position against the fixed jaw and block there the respective bases of the respective connector modules, and wherein the fixed jaw comprises an elongated groove capable of longitudinally receiving, by a detachable engagement, the respective bases of the respective connector modules arranged side by side, and wherein the movable jaw extends along said groove in the closed position to then block there each connector module received therein.

US Pat. No. 10,601,165

ANGLED MULTI-CONTACT CONNECTOR AND ASSEMBLY METHOD THEREOF

RAYDIALL, Voiron (FR)

1. An angled multicontact connector for a cable including a plurality of insulated conductors, the angled multicontact connector comprising:at least two angled contacts each having a rear end and a front end, and each being adapted to be fixed by the rear end to an end of a conductor of the cable,
an insulative angled body made of an insulative material, the insulative angled body comprising:
a front portion extending along a first axis of the insulative angled body including at least two through-openings, each through-opening being adapted to accommodate the front end of an angled contact, the front portion including at least one wall between through-openings adapted to separate the angled contacts from one another, and
a rear portion extending along a second axis of the insulative angled body the rear portion forming a bend with the front portion of the insulative angled body;
a conductive angled body made of a conductive material, the conductive angled body comprising:
a front portion extending along a first axis of the conductive angled body and including a through-opening adapted to accommodate the front portion of the insulative angled body, and
a rear portion extending along a second axis of the conductive angled body and including a groove adapted to receive the rear portion of the insulative angled body;
a conductive material cap of complementary shape to the rear portion of the conductive angled body adapted to be fixed to the cable and to close the conductive angled body around the at least two angled contacts;
wherein the rear portion of the insulative angled body includes at least one groove open toward the outside of the insulative angled body, each of the at least one groove being adapted to receive at least in part the rear end of one of the at least two angled contacts; and
an insulative material part adapted to be removably fixed to the insulative angled body, the insulative material part including walls adapted to retain the rear end of each of the at least two angled contacts not received in the at least one groove in the insulative angled body, the walls being further adapted to separate each rear end from a rear end of any other angled contact received or not in the at least one groove in the insulative angled body, and from the conductive cap when the conductive cap is in a position closing the conductive angled body.

US Pat. No. 10,601,163

ELECTRICAL CONNECTOR

LOTES CO., LTD, Keelung ...

1. An electrical connector configured to electrically connect a chip module to a circuit board, comprising:a body configured to upwardly bear the chip module, wherein the body is provided with a plurality of accommodating holes, each of the accommodating holes has a first groove and a second groove, and a width of the second groove is less than a width of the first groove; and
a plurality of terminals, correspondingly accommodated in the accommodating holes, wherein each of the terminals comprises:
a base, accommodated in the first groove;
an extending portion, bending and extending from one side of the base and accommodated in the second groove;
a conducting portion, provided on a bottom portion of the terminal and configured to be electrically connected with the circuit board; and
an elastic portion, formed by upwardly bending and extending from the extending portion and configured to abut the chip module,
wherein each of the accommodating holes comprises a first wall surface and a second wall surface provided opposite to each other, the first wall surface and the second wall surface jointly define the first groove, and the second groove runs through the first wall surface and communicates with the first groove.

US Pat. No. 10,601,162

ELECTRICAL CONNECTOR

LOTES CO., LTD, Keelung ...

1. An electrical connector, mounted on a circuit board and configured to mate with a chip module, the electrical connector comprising:an insulating body, provided with an accommodating hole;
a conductive terminal, accommodated in the accommodating hole, wherein the conductive terminal has a conducting portion; and
an electrical conductor, provided below the conducting portion, configured to be in contact with the conducting portion and electrically connected to the circuit board, wherein a gap is provided between the conducting portion and the electrical conductor, and when the chip module is pressed downward on the conductive terminal, the conductive terminal moves downward, and the conducting portion downward abuts the electrical conductor.

US Pat. No. 10,601,160

CARD EDGE CONNECTOR STRUCTURE

JESS-LINK PRODUCTS CO., L...

1. A card edge electrical connector structure, including:an insulation main body, having one side disposed with an insertion surface and having another side disposed with an installation surface, wherein the insertion surface has an insertion port;
two electrical conductive terminal sets, disposed in the insulation main body with a parallel arrangement means, wherein each of the electric conductive terminal sets has a positioning seat, a plurality of grounding terminals and a plurality of electrical conductive terminals protruded from the positioning seat, each of the grounding terminals has an inner side, a first end exposed in the insertion port and a second end exposed on the installation surface; and
a grounding plate, disposed between the two electrical conductive terminal sets, wherein two sides of the grounding plate are extended with a plurality of grounding elastic arms towards a direction of each of the first ends, and each of the grounding elastic arms is elastically abutted against the inner side of each of the grounding terminals,
wherein the grounding plate is substantially perpendicular to the grounding terminals, and the plurality of grounding elastic arms are disposed between the grounding plate and the first ends; and
wherein the grounding plate has a left side and a right side opposite to the left side, and each of the grounding elastic arms is an inclined arm gradually and outwardly inclined and extended from one of the left side and the right side towards the direction of each of the first ends.

US Pat. No. 10,601,157

ELECTRICAL CONNECTOR

LOTES CO., LTD, Keelung ...

1. An electrical connector, configured to be electrically connected to a chip module having a plurality of insertion pins, the electrical connector comprising:an insulating body, provided with a plurality of accommodating slots running through the insulating body vertically, wherein a reserved space is provided between two adjacent accommodating slots of the accommodating slots in a front-rear direction to interconnect the two adjacent accommodating slots, and the reserved space is configured to correspondingly reserve for a corresponding insertion pin of the insertion pins; and
a plurality of terminals, correspondingly accommodated in the accommodating slots, wherein each of the terminals comprises a base being flat plate shaped and two arm portions extending upward from the base, the two arm portions have two clamping portions and two guiding portions formed by bending and extending forward from the two clamping portions and toward directions away from each other, an oblique portion is formed by bending forward from the base and extending upward, a front surface of the oblique portion has a contact surface, the contact surface and the two clamping portions are configured to jointly clamp the corresponding insertion pin, a rear surface of the oblique portion has a guide surface, a top end of the guide surface is higher than a bottom surface of the reserved space;
wherein the terminals comprise two adjacent terminals in the front-rear direction, and when the chip module is mounted, the guide surface of a front terminal of the two adjacent terminals guides the corresponding insertion pin to be inserted downward, and then the guiding portions of a rear terminal of the two adjacent terminals guides the corresponding insertion pin to move horizontally.

US Pat. No. 10,601,156

PLUG CONTACT SET AND METHOD FOR CHECKING A LATCHING OF THE PLUG CONTACT SET

1. A plug contact set, comprising a plug contact strip (17) having several first contact elements (12, 14) that are formed as components of a circuit board (10) and are arranged in the region of a circuit board edge (19), at least one of which contact elements (12, 14) being formed in the plugging direction (S) as a checking contact (14) having a smaller length than the remaining contact elements, and having a plug connector having several second contact elements (22) that are arranged in a housing (21), at least one of which contact elements (22) being set up to electrically make electric contact with the checking contact (14), wherein at least one first latch element (31, 51) that is formed as part of the circuit board (10) is arranged on the circuit board edge (19) and at least one second latch element (32) is arranged on the housing, said latch elements being set up to latch with one another when the first contact elements (12, 14) are completely contacted by the second contact elements (22), and wherein a third latch element (33, 53) that is formed as part of the circuit board (10) and that is able to latch with the second latch element (32) is provided that is arranged to be spaced apart from the first latch element (31) in the plugging direction (S) in such a way that, by latching the third latch element (33, 53) to the second latch element (32), an as clearance-free as possible fixing of the housing on circuit board (10) in the completely contacted state of the first and second plug contacts (12, 14, 22) is achieved.

US Pat. No. 10,601,155

CONTACTING DEVICE FOR THE TRANSMISSION OF ELECTRICAL ENERGY TO A CIRCUIT BOARD AND METHOD FOR THE ASSEMBLY OF SUCH A CONTACTING DEVICE

1. A contacting device for transmitting electrical energy to a circuit board, the contacting device comprising:a housing comprising at least one opening;
a first contact element arranged in the housing and the first contact element comprising a receiving chamber which is open with respect to the at least one opening, the receiving chamber having a central longitudinal axis;
at least one plug-in contact element for mechanically and electrically connecting the first contact element to a circuit board;
a second contact element for insertion into the receiving chamber through the at least one opening and for contacting the first contact element, the housing and the first contact element being displaceable relative to one another in a direction transverse to the central longitudinal axis, wherein a spring element acting in a direction transverse to the central longitudinal axis is arranged between the housing and the first contact element, the at least one plug-in contact element and the first contact element being firmly connected to one another, wherein in an insertion position, the first contact element is displaced relative to the housing by an external force against a spring force of the spring element in such a manner that the second contact element is insertible into the receiving chamber of the first contact element through the at least one opening of the housing, wherein the first contact element is configured to be transferred relative to the housing by relaxation of the spring element into a clamping position, wherein in the clamping position, the second contact element is contacted with the first contact element between the first contact element and the housing by the spring force of the spring element acting in the direction transverse to the central longitudinal axis.

US Pat. No. 10,601,153

COAXIAL CONNECTOR ASSEMBLY

HIROSE ELECTRIC CO., LTD....

1. A coaxial connector assembly comprising:a plug connector and a receptacle connector each configured to hold, at a housing of an electric insulating material, a coaxial terminal including a center terminal of a coaxial cable and an external terminal surrounding the center terminal, wherein
at least one of the plug connector or the receptacle connector is a cable connector,
the housing of the plug connector and the housing of the receptacle connector have an engageable/disengageable lock mechanism at a predetermined fitting position between the housings,
in an engagement state, the center terminal of the plug connector is in direct contact with the center terminal of the receptacle connector, the external terminal of the plug connector is in direct contact with the external terminal of the receptacle connector, and a range of relative movement between the coaxial terminals in an axial direction as a coaxial terminal insertion/detachment direction is smaller than a minimum effective fitting length,
the minimum effective fitting length is a shorter one of a center terminal effective fitting length or an external terminal effective fitting length,
the center terminal effective fitting length is a distance from a start position of direct contact between the center terminals at a start of fitting between the coaxial terminals to an end position of direct contact between the center terminals at an end of fitting between the coaxial terminals,
the external terminal effective fitting length is a distance from a start position of direct contact between the external terminals at the start of fitting between the coaxial terminals to an end position of direct contact between the external terminals at the end of fitting between the coaxial terminals,
an impedance in the axial direction range of the minimum effective fitting length is matched to a specific impedance, and
the center terminal of the coaxial terminal in one connector of the plug connector or the receptacle connector comprises:
an exposed portion that is exposed from the external terminal of the coaxial terminal in the one connector of the plug connector or the receptacle connector, and
an unexposed portion that is covered with the external terminal of the coaxial terminal in the one connector of the plug connector or the receptacle connector, and
a diameter of the exposed portion is greater than a diameter of the unexposed portion.

US Pat. No. 10,601,152

EARTH TERMINAL MOUNTING STRUCTURE

Toyota Jidosha Kabushiki ...

1. An earth terminal mounting structure comprising:a boss protruding from a conductive case, wherein the boss includes a hole provided in a distal end surface of the boss; and
an earth terminal fixed to the distal end surface of the boss, wherein:
the earth terminal is provided with a terminal-side stopper that extends along a side surface of the boss;
a boss-side stopper having a protrusion shape is provided on the side surface of the boss, the boss-side stopper facing the terminal-side stopper in a circumferential direction of the boss; and
the terminal-side stopper and the boss-side stopper restrict rotation of the earth terminal in a clockwise direction and in a counter-clockwise direction.

US Pat. No. 10,601,150

SET SCREW CONNECTOR WITH ANTI-BACKOUT LOCK

Hubbell Incorporated, Sh...

1. An electrical connector configured to couple an electrical conductor to a support surface of an electrical device, the electrical connector comprising:a terminal block including a connecting aperture and a threaded aperture, the connecting aperture configured to receive the electrical conductor;
a fastener including threads receivable within the threaded aperture, the fastener configured to move in a first rotational direction relative to the threaded aperture; and
a lock configured to be positioned between the electrical conductor and the fastener to engage the electrical conductor and the fastener, rotation of the fastener in the first rotational direction causing the lock to secure the electrical conductor against movement relative to the terminal block,
wherein the lock restricts movement of the fastener in a second rotational direction, and wherein movement of the fastener in the second rotational direction is configured to release the electrical conductor from the terminal block.

US Pat. No. 10,601,149

WINDOW ASSEMBLY WITH CASING FOR SOLDER JOINT

1. A window assembly comprising:a transparent pane;
an electrical conductor contacting said transparent pane;
an electrical connection element for energizing said electrical conductor;
an electrically conductive solder joint between said electrical connection element and said electrical conductor for providing an electrical connection between said electrical connection element and said electrical conductor;
an encapsulation over said electrical connection element and said electrical conductor and attached to said transparent pane; and
a casing disposed between said encapsulation and said electrical conductor and surrounding said solder joint and contacting said encapsulation and said transparent pane to prevent contact between said encapsulation and said solder joint,
wherein said casing is set apart in areas to form a layer of air between said encapsulation and said solder joint to prevent stress imparted on said casing from said encapsulation from being transferred to said solder joint to prevent said transparent pane from cracking.

US Pat. No. 10,601,148

HIGH WATTAGE SOLDERLESS FLEXIBLE CONNECTOR FOR PRINTED CONDUCTORS

Illinois Tool Works Inc.,...

1. An adhesive connector for making an electrical connection to a conductor formed on a support surface, the adhesive connector comprising:a substrate;
a metal strip attached to a first surface of the substrate, wherein the metal strip is configured to engage a releasable electrical connector;
a conductive strip attached to a second surface of the substrate;
a conductive staple configured to secure the conductive strip, the substrate, and the metal strip together; and
an electrically-conducting adhesive that coats a first portion of the conductive strip, and is configured to provide electrical contact to a conductor formed on a support surface,
wherein the conductive staple comprises a flat head and prongs, wherein the flat head abuts and electrically communicates with a surface of the conductive strip, and the prongs extend through the conductive strip, the substrate, and into holes of the metal strip.

US Pat. No. 10,601,146

ANTENNA ELEMENT AND ELECTRONIC DEVICE

GUANGDONG OPPO MOBILE TEL...

1. An antenna element, comprising:a combiner, a first antenna, a second antenna, a feed, a first connection circuit, a second connection circuit, a first ground circuit, and a second ground circuit, wherein
the first antenna comprises a first contact and a second contact, the second antenna comprises a first connecting portion and a second connecting portion;
the combiner comprises a first input terminal electrically connected to the first contact of the first antenna via the first connection circuit, a second input terminal electrically connected to the first connecting portion of the second antenna via the second connection circuit, and an output terminal electrically connected to the feed;
the first ground circuit is electrically connected between the second contact of the first antenna and ground; and
the second ground circuit is electrically connected between the second connecting portion of the second antenna and ground;
wherein the first ground circuit comprises a first switch electrically connected between the first contact of the first antenna and ground, and the first antenna is able to cover different frequency bands by switching an on-off state of the first switch;
wherein the first ground circuit further comprises a first ground terminal and a first inductor, wherein the first ground terminal, the first inductor, the first switch, and the first antenna are electrically connected in series;
wherein the first inductor has an inductance value ranged from 1 nH to 4 nH;
when the first switch is switched off, the first ground circuit fails to establish electrical communication between the first ground terminal and the first antenna, and the first antenna covers a frequency band of 2300 MHz to 2700 MHz;
when the first switch is switched on, the first ground circuit establishes electrical communication between the first ground terminal and the first antenna, and the first antenna covers a frequency band of 1710 MHz to 2170 MHz.

US Pat. No. 10,601,142

REFLECTING SYSTEMS, SUCH AS REFLECTOR ANTENNA SYSTEMS, WITH TENSION-STABILIZED REFLECTOR POSITIONING APPARATUS

EAGLE TECHNOLOGY, LLC, M...

1. A reflector antenna system, comprising: a reflector; a feed; a sub-reflector configured to reflect energy between the reflector and the feed; and a sub-reflector positioning apparatus, the sub-reflector positioning apparatus comprising:a tensioner attached to the sub-reflector and configured to exert a force on the sub-reflector, the force urging the sub-reflector away from the reflector; and
a plurality of restraints attached to the sub-reflector and configured to be tensioned in response to the force on the sub-reflector, and to restrain the sub-reflector in relation to the reflector.

US Pat. No. 10,601,141

ARTIFICIAL MAGNET CONDUCTOR, ANTENNA REFLECTOR, AND METHOD FOR CALCULATING THICKNESS OF DIELECTRIC MEDIUM

Yamaha Corporation, Hama...

1. An artificial magnet conductor comprising:a dielectric medium;
basic cells, each being formed on a side of a front surface of the dielectric medium, and including a conductive patch pattern and a conductive loop pattern that is formed with a predetermined gap with the conductive patch pattern;
a frequency selective surface on which the basic cells are periodically arranged on the front surface of the dielectric medium; and
a conductive layer that is formed on a side of a rear surface of the dielectric medium, wherein
a phase change from an incident wave to a reflected wave with respect to the dielectric medium is set as an addition value in which a first phase change in the gap is added to a second phase change between the basic cell of the dielectric medium and the conductive layer, and a thickness of the dielectric medium is set based on the addition value, and
the thickness of the dielectric medium is greater than a distance of the gap when the thickness is calculated.