US Pat. No. 10,116,323

ANALOG-TO-DIGITAL CONVERTER

MEDIATEK INC., Hsin-Chu ...

1. An analog-to-digital converter (ADC) converting an input signal to an output signal; the ADC comprising:a main circuit for: scaling the input signal by a first factor, filtering an error signal by a loop filter, and forming a combined signal combining the scaled input signal and the filtered error signal; and
a comparator coupled to the main circuit, for quantizing the combined signal to provide the output signal;
wherein the error signal reflects a difference between the combined signal and the output signal;
the loop filter comprises a first delay unit and at least a loop scaling unit, for delaying and scaling the error signal by a second factor; and
a sum of the first factor and the second factor equals one.

US Pat. No. 10,116,322

RAIL ADAPTIVE DITHER

Raytheon Company, Waltha...

1. A method of converting an analog input signal to a linearized digital representation of the analog input signal, comprising:comparing a measure of the analog input signal to a threshold associated with a maximum dynamic range of a quantizer;
dynamically varying a maximum amplitude of a random, analog dither signal for perturbing quantization of the analog input signal in response to the comparison;
combining the dynamically varied dither signal and the analog input signal to obtain a dithered input signal; and
converting with the quantizer the dithered input signal into the linearized digital representation of the analog input signal.

US Pat. No. 10,116,319

RESISTIVE INTERPOLATION FOR AN AMPLIFIER ARRAY

TEXAS INSTRUMENTS INCORPO...

1. A circuit including a resistive interpolator, comprising:an input terminal to receive an input value;
an amplifier array, including
an amplifier stage with M amplifiers (M?2), each coupled to the input terminal to receive the input value;
a resistor interpolator configured to provide an interpolation order N (N?2), and including
an input row and at least a second row, each row comprising multiple interpolation resistors connected in series at nodes,
the input row including M driven nodes connected to a respective amplifier, and (N?1) interpolation nodes intermediate each of adjacent driven nodes, and
the input row connected in parallel to the second row, with at least some of the interpolation nodes of the first row connected to corresponding interpolation nodes of the second row;
the resistor interpolator including at least one multi-row interpolation cell, comprising:
in the input row, a driven node connected to first and second interpolation resistors connected between the driven node and respective adjacent first and second interpolation nodes;
in the second row, third and fourth interpolation resistors connected between respective third and fourth interpolation nodes and an intermediate fifth interpolation node;
the first and second interpolation nodes of the input row connected respectively to the third and fourth interpolation nodes of the second row.

US Pat. No. 10,116,316

RECEIVER WITH SIGNAL PROCESSOR TO ADAPTIVELY UPDATE WEIGHTS TO SEPARATE LARGER AND SMALLER COMPONENTS

SPATIAL DIGITAL SYSTEMS, ...

16. A method comprising:applying a first complex weight to a first signal so as to generate a second signal, the first signal having larger and smaller components;
approximating a first value of a sample of the first signal into a second value corresponding to the larger component;
updating the first complex weight using correlation between the second signal and the second value;
approximating the second signal into a third signal; and
aligning a phase of the smaller component in the first signal with a phase of the third signal so as to generate a fourth signal.

US Pat. No. 10,116,314

MULTI-MODE FREQUENCY DIVIDER

NVIDIA Corporation, Sant...

1. A device comprising a frequency divider, the device comprising:first circuitry;
second circuitry coupled to the first circuitry, wherein the second circuitry is selectively enabled using a control signal and wherein the second circuitry receives a signal from the first circuitry when the second circuitry is enabled; and
third circuitry coupled to the first circuitry and the second circuitry, wherein the third circuitry receives signals from the first circuitry and also receives signals from the second circuitry when the second circuitry is enabled, wherein the first circuitry and the third circuitry comprise a divide-by-two frequency divider when the second circuitry is not enabled, wherein the first circuitry, the second circuitry, and the third circuitry comprise a divide-by-three frequency divider when the second circuitry is enabled, and wherein the third circuitry comprises a plurality of resistors and capacitors, wherein capacitances of the capacitors are programmable.

US Pat. No. 10,116,313

APPARATUS AND METHOD TO MITIGATE PHASE AND FREQUENCY MODULATION DUE TO INDUCTIVE COUPLING

Intel Corporation, Santa...

1. An apparatus comprising:a first clocking source having a first divider;
a second clocking source having a second divider, wherein the first and second clocking sources are close enough in proximity to one another such that they are inductively coupled to one another; and
calibration logic to monitor clock signals associated with the first and second clocking sources and to generate at least one calibration code to adjust at least one divider ratio of the first or second dividers according to the monitored clock signals; and
a sigma-delta modulator to receive the at least one calibration code from the calibration logic, wherein the at least one calibration code is generated according to the monitored clock signals.

US Pat. No. 10,116,312

CONFIGURABLE GATE ARRAY BASED ON THREE-DIMENSIONAL WRITABLE MEMORY

HangZhou HaiCun Informati...

1. A configurable gate array, comprising:at least a configurable logic element formed on a semiconductor substrate, wherein said configurable logic element selectively realizes a logic function from a logic library; and
at least a configurable computing element, wherein said configurable computing element comprises a first three-dimensional writable memory (3D-W) array stacked above said semiconductor substrate, said first 3D-W array is electrically programmable and can be loaded with a first look-up table (LUT) for a first math function.

US Pat. No. 10,116,311

EMBEDDED FPGA WITH MULTIPLE CONFIGURABLE FLEXIBLE LOGIC BLOCKS INSTANTIATED AND INTERCONNECTED BY ABUTMENT

1. An embedded field programmable gate array comprising:a plurality of abuttable, configurable and programmable logic blocks (ACLBs), the plurality of ACLBs comprising at least a plurality of sets of ACLBs, each set of ACLBs being of a different defined functional block, each the plurality of ACLBs being interconnected with adjacent ACLBs by abutment and selective pin placement to connect at least an out pin to at least an adjacent in pin.

US Pat. No. 10,116,310

LEVEL SHIFT CIRCUIT, INTEGRATED CIRCUIT, AND POWER SEMICONDUCTOR MODULE

Mitsubishi Electric Corpo...

1. A level shift circuit, comprising:a primary circuit that outputs, in response to a received input signal, a first signal with a first reference potential;
a level shift main circuit that converts a reference potential of said first signal received from said primary circuit, from said first reference potential to a second reference potential to output a second signal with said second reference potential;
a secondary circuit that generates, in response to said input signal, an output signal with said second reference potential by using said second signal received from said level shift main circuit; and
at least one rectifying element circuit provided between said primary circuit and said secondary circuit, at least one of said primary circuit and said secondary circuit including at least one detection circuit that detects a change in a current flowing through said rectifying element circuit to determine whether a potential corresponding to said second reference potential is lower than or equal to a potential corresponding to said first reference potential.

US Pat. No. 10,116,309

CMOS OUTPUT CIRCUIT

Rohm Co., Ltd., Kyoto (J...

1. A CMOS output circuit comprising:a first P-MOSFET having a source connected to a power supply terminal, a drain connected to an output terminal, and a back gate connected to a first potential terminal;
a first N-MOSEFET having a drain connected to the output terminal, a source connected to a ground terminal, and a back gate connected to a second potential terminal;
a first potential switching portion arranged to switch whether to connect the first potential terminal to the power supply terminal or to the output terminal;
a second potential switching portion arranged to switch whether to connect the second potential terminal to the ground terminal or to the output terminal;
a first gate switching portion arranged to switch whether or not to short-circuit the gate of the first P-MOSFET to the first potential terminal;
a second gate switching portion arranged to switch whether or not to short-circuit the gate of the first N-MOSFET to the second potential terminal;
a first driver arranged to drive the gate of the first P-MOSFET in accordance with a first input signal;
a second driver arranged to drive the gate of the first N-MOSFET in accordance with a second input signal; and
a control portion arranged to control individual portions of the circuit when turning off both the first P-MOSFET and the first N-MOSFET, so as to connect the first potential terminal to one of the power supply terminal and the output terminal, which has a higher potential, to connect the second potential terminal to one of the ground terminal and the output terminal, which has a lower potential, to short-circuit the gate of the first P-MOSFET to the first potential terminal, and to short-circuit the gate of the first N-MOSFET to the second potential terminal.

US Pat. No. 10,116,308

ROTATION OPERATION DEVICE

DENSO CORPORATION, Kariy...

1. A rotation operation device comprising:a rotation operation section having a cylindrical shape and rotationally operable by an operator around an axis of the cylindrical shape;
a plurality of recessed and projecting sections arranged on an axial end surface or a peripheral surface of the rotation operation section and having recesses and projections in a circumferential direction of the rotation operation section;
a conductive section made of a conductive material, having a protruding section protruding toward each of the recessed and projecting sections and an elastic section that biases the protruding section by elasticity to each of the recessed and projecting sections, and movable in a recess-and-projection direction by each of the recessed and projecting sections when the rotation operation section rotates;
an electrode section disposed so as to face the conductive section and changing a capacitance in accordance with a movement of the conductive section; and
a detecting section detecting the change in the capacitance, wherein:
three or more sets of combination of the recessed and projecting sections, the conductive section, and the electrode section are provided;
the conductive section in each set is moved in turn by a respective recessed and projecting section in the recess-and-projection direction at a different timing with regular intervals; and
the detecting section detects a rotation direction and a rotation quantity of the rotation operation section by means of a combination pattern of the change in the capacitance provided by the electrode section,
wherein the recessed and projecting sections, the conductive section, and the electrode section in each set of the combination are arranged in a concentric manner.

US Pat. No. 10,116,307

LOW POWER CAPACITIVE SENSOR BUTTON

Cypress Semiconductor Cor...

1. An apparatus comprising:a timer circuit configured to generate a repetitive trigger signal having a first frequency;
an oscillator configured to generate a clock signal having a second frequency;
a sensing circuitry block coupled with the timer circuit and the oscillator and configured to, in response to the repetitive trigger signal, detect a change in capacitance associated with an object proximate to a capacitive sensor button by applying an excitation signal to the capacitive sensor button during a measurement period; and
a wake logic coupled with the sensing circuitry block, the wake logic configured to transition a processing unit from a first power consumption state to a second power consumption state in response to the sensing circuitry block detecting the change in capacitance associated with the object proximate to the capacitive sensor button.

US Pat. No. 10,116,306

TOUCH AND FORCE SENSITIVE ROCKER SWITCH

Apple Inc., Cupertino, C...

5. A portable electronic device, comprising:a housing that defines an interior volume, the housing comprising a sidewall that includes a through hole;
a button aligned with the through hole, the button comprising a surface;
a capacitive sensor positioned in the interior volume and at least partially covered by the button; and
a force sensor positioned in the interior volume and at least partially covered by the button, wherein the button is configured to accept i) a touch input to the surface that is detected by the capacitive sensor, and ii) a force touch input that is determined by the force sensor.

US Pat. No. 10,116,304

GATE TRANSISTOR CONTROL CIRCUIT

1. A device for controlling a first control gate transistor, comprising:a second transistor and a third transistor series-connected between first and second terminals of application of a power supply voltage, the junction point of these transistors being connected to the gate of the first transistor,
a terminal of application of a digital control signal;
a circuit for generating an analog signal according to variations of the power supply voltage; and
for each of the second and third transistors, a circuit of selection of a control signal of the first transistor representative of said digital signal or of said analog signal, wherein the selection circuit selects a signal among said digital control signal and said analog signal such that one of the second and third transistors is controlled in a linear state while the other one of the second and third transistors is controlled in a saturated state.

US Pat. No. 10,116,303

PARALLEL DEVICES HAVING BALANCED SWITCHING CURRENT AND POWER

VIRGINIA TECH INTELLECTUA...

1. A system comprising:a power source that provides electrical power;
two driving transistors disposed in parallel and receiving electrical power from the power source, wherein each of the two driving transistors includes a gate terminal, a source connection, and a kelvin source connection; and
a control voltage source having a first terminal and a second terminal, wherein:
the control voltage source provides a control signal to the two driving transistors to activate the two driving transistors,
the first terminal is connected to the gate terminal of a first of the two driving transistors via a common inductor and a first inductor,
the first terminal is connected to the gate terminal of a second of the two driving transistors via the common inductor and a second inductor, and
the second terminal is connected to the kelvin source connections of the two driving transistors;
wherein the kelvin source connections of the two driving transistors are inductively coupled.

US Pat. No. 10,116,302

SEMICONDUCTOR DEVICE

Mitsubishi Electric Corpo...

1. A semiconductor device, comprising:a low-side terminal having a low-side potential;
a high-side terminal having a high-side potential different from the low-side potential;
a main output terminal having an intermediate potential;
a low-side switching element being provided between the main output terminal and the low-side terminal;
a low-side drive circuit which drives the low-side switching element and operates using the low-side potential as a reference potential and using a supply potential regulated by an offset voltage from the low-side potential as a power source potential;
a high-side switching element being provided between the main output terminal and the high-side terminal;
a high-side drive circuit which drives the high-side switching element and operates using the intermediate potential as a reference potential and using a floating potential regulated by an offset voltage from the intermediate potential as a power source potential;
a detection circuit using the intermediate potential as a reference potential and detecting condition information of the high-side switching element, thereby outputting a detection signal;
a conversion circuit using the intermediate potential as a reference potential and outputting a conversion signal corresponding to the detection signal from the detection circuit, and
a signal transmission circuit outputting a signal corresponding to the conversion signal from the conversion circuit as a voltage signal using the low-side potential as a reference potential, wherein
the signal transmission circuit includes:
a first point to which the intermediate potential is applied;
a second point to which a referred potential between the low-side potential and the high-side potential is applied, the referred potential being different from the low-side potential and the high-side potential;
a signal switching element having a first end connected to the first point and a second end, and being switched in accordance with the conversion signal; and
a diode being provided between the second point and the second end of the signal switching element and having a direction with which a forward current can flow by a voltage between the first point and the second point in a case where the intermediate potential is the low-side potential.

US Pat. No. 10,116,301

CROSS-COUPLED, NARROW PULSE, HIGH VOLTAGE LEVEL SHIFTING CIRCUIT WITH VOLTAGE DOMAIN COMMON MODE REJECTION

INFINEON TECHNOLOGIES AME...

6. A circuit, comprising:a high side circuit, including:
current mirrors configured to generate mirrored currents that mirror a set signal and a reset signal that are generated in response to a set pulse and a reset pulse;
a cross coupled current mode cancellation circuit connected to the current mirrors, wherein the cross coupled current mode cancellation circuit is configured to attenuate at least a portion of a slew current from a first one of the mirrored currents to generate an adjusted first signal, and to generate a first voltage at a resistor according to the adjusted first signal; and
a high side driver configured to provide a high output signal according to activation to the first voltage.

US Pat. No. 10,116,300

SWITCHING COMPONENT, IN PARTICULAR DOMESTIC-APPLIANCE SWITCHING COMPONENT

1. A switching component, comprising:a main driver that applies an electrical signal to a plurality of driver circuits;
a series circuit of a plurality of field effect transistors;
each driver circuit is associated with one of the plurality of field effect transistors, each driver circuit having at least one switching element, which short circuits two control contacts of the associated field effect transistor in at least one operating state to simultaneously switch off each of the associated field effect transistors.

US Pat. No. 10,116,299

POWER-ON RESET CIRCUIT

SEMICONDUCTOR MANUFACTURI...

1. A power-on-reset circuit comprising:an execution circuit comprising a first input terminal, a second input terminal, and a first output terminal, the first input terminal directly connected to a power supply voltage, a voltage at the second input terminal having a low level at an initial state, and a voltage at the first output terminal having a low level, wherein the voltage at the first output terminal transitions from the low level to a high level when the power supply voltage at the first input terminal and the voltage at the second input terminal are not less than a predetermined voltage; and
a control circuit comprising a third input terminal connected to the first output terminal, a fourth input terminal connected to the first input terminal, and a second output terminal connected to the second input terminal, wherein the voltage at the second input terminal transitions from the low level to the high level when a difference between the power supply voltage at the first input terminal and the voltage at the first output terminal is greater than a predetermined voltage difference,
wherein the execution circuit comprises a NAND gate having a first input terminal directly connected to the first input terminal of the execution circuit, a gate connected to the second input terminal of the execution circuit, a drain connected to the output terminal of the NAND gate, a source connected in series with a reverse-biased diode circuit to the power supply voltage, and a substrate connected to the power supply voltage.

US Pat. No. 10,116,298

APPARATUS WITH MAIN TRANSISTOR-BASED SWITCH AND ON-STATE LINEARIZATION NETWORK

Qorvo US, Inc., Greensbo...

1. An apparatus comprising:a main transistor-based switch having a first end node and a second end node comprising an N number of main field effect transistors (FETs) each having a first terminal, a second terminal, and a gate terminal and stacked in series such that the first terminal of a first main FET of the N number of main FETs is coupled to the first end node and the second terminal of an Nth main FET of the N number of main FETs is coupled to the second end node, wherein N is a finite number greater than one;
an ON-state linearization network that is coupled between the first end node and the second end node of the main transistor-based switch and configured to:
receive a monitored signal that corresponds to a signal across the first end node and the second end node;
cancel at least a portion of non-linear distortion generated by the main transistor-based switch when the main transistor-based switch is in an ON-state based on the monitored signal, wherein a control signal applied to a control input of the ON-state linearization network causes the ON-state linearization network to activate when the main transistor-based switch is in the ON-state and to deactivate the ON-state linearization network when the main transistor-based switch is an OFF-state; and
a first non-linear distortion cancellation (NDC) FET having a first NDC terminal coupled to the first terminal of the first main FET and a second NDC terminal coupled to the second terminal of the first main FET, and an NDC gate terminal coupled to both the control input and the second terminal of the Nth main FET; and
a control system having an output coupled to the control input and configured to provide the control signal.

US Pat. No. 10,116,297

DC-COUPLED HIGH-VOLTAGE LEVEL SHIFTER

pSemi Corporation, San D...

1. A control circuit configured to control a high voltage device capable of withstanding a voltage higher than a first voltage (VIN), the control circuit comprising:low voltage transistor devices configured to operate between a first switching voltage (SW) and a second switching voltage (Vdd2+SW);
a first terminal configured to carry the first switching voltage, the first switching voltage switching between a reference voltage and the first voltage;
a second terminal configured to carry the second switching voltage as a function of the first switching voltage, the second switching voltage substantially corresponding to a sum of the first switching voltage and a second voltage (Vdd2) substantially lower than the first voltage;
input nodes configured to receive input timing control pulse signals;
a parallel resistive-capacitive coupling, coupled to the input nodes, configured to receive the input timing control pulse signals and transmit edge information and DC level information of the input timing control pulse signals to the low voltage transistor devices; and
an output node configured to provide an output timing control signal at a voltage higher than the first switching voltage for control of the high voltage device, the output timing control signal being based on the transmitted edge information and DC level information of the input timing control pulse signals through the parallel resistive-capacitive coupling.

US Pat. No. 10,116,296

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND ELECTRONIC DEVICE

RENESAS ELECTRONICS CORPO...

1. An electronic device comprising:a power semiconductor device;
a first semiconductor integrated circuit device driving the power semiconductor device; and
a second semiconductor integrated circuit device controlling the first semiconductor integrated circuit device,
wherein the power semiconductor device comprises:
a terminal outputting drive current; and
a terminal outputting sense current,
wherein the first semiconductor integrated circuit device comprises:
a drive circuit driving the power semiconductor device;
an overcurrent detection circuit detecting overcurrent on the basis of the sense current; and
a temperature detection circuit detecting temperature of the power semiconductor device, and
wherein the second semiconductor integrated circuit device comprises:
a storage device storing a temperature characteristic of a current mirror ratio of the power semiconductor device;
a temperature detecting unit calculating temperature on the basis of an output of the temperature detection circuit; and
an overcurrent detection control unit controlling the overcurrent detection circuit on the basis of the temperature detected by the temperature detecting unit and the temperature characteristic of the current mirror ratio stored in the storage device.

US Pat. No. 10,116,295

VOLTAGE COMPARING CIRCUIT AND VOLTAGE COMPARING METHOD

PixArt Imaging Inc., Hsi...

1. A voltage comparing circuit, comprising:a comparator, comprising a first comparing terminal and a second comparing terminal;
a time interval computing unit;
a switch module, coupled to the first comparing terminal and the second comparing terminal, comprising a reference voltage terminal coupled to a reference voltage source, and comprising a first input terminal and a second input terminal;
a first current source, comprising a first charging terminal coupled to the first input terminal and the second input terminal;
a first capacitor, coupled to the first current source at the first charging terminal; and
a capacitance adjusting unit, coupled to the first capacitor.

US Pat. No. 10,116,294

HIGH-RESOLUTION FET VDS ZERO-VOLT-CROSSING TIMING DETECTION SCHEME IN A WIRELESS POWER TRANSFER SYSTEM

Texas Instruments Incorpo...

1. A control module for controlling a field-effect transistor having a gate, a drain and a source, the control module comprising:a comparator operable to receive the drain-to-source voltage of the transistor and compare it to a threshold voltage, the comparator comprising a clock input operable to receive a gate voltage of the transistor, wherein said received gate voltage is used to latch a result of said comparison to an output of the comparator; and
control circuitry operable to receive said comparator output and to perform a control function with respect to the transistor based on the value of the comparator output.

US Pat. No. 10,116,293

INPUT BUFFER CIRCUIT

SK hynix Inc., Icheon-si...

1. An input buffer circuit comprising:a first buffer configured to buffer a command address received based on a selection signal;
a second buffer configured to buffer the command address based on the selection signal, and have characteristics different from those of the first buffer; and
a variable delay matching circuit configured to delay an output signal of the first buffer and an output signal of the second buffer, and control a delay time in different ways according to the selection signal.

US Pat. No. 10,116,289

SIGNAL PROCESSING CIRCUIT FOR MITIGATING PULLING EFFECT AND ASSOCIATED METHOD

MediaTek Inc., Hsin-Chu ...

1. A transmitter, comprising:a first mixer, arranged to upconvert a first input signal with an oscillation signal to generate a first output signal, wherein the oscillation signal is generated by dividing a frequency of a reference clock with a frequency dividing factor;
a first amplifier, coupled to the first mixer, the first amplifier arranged to amplify the first output signal and generate an amplified output signal at an output terminal of the first amplifier; and
a pulling effect mitigation circuit, coupled to the output terminal of the first amplifier, the pulling effect mitigation circuit arranged to generate a compensation signal, to the output terminal for reducing at least an Nth harmonic of the amplified output signal, the pulling effect mitigation circuit comprising:
a first phase shifting circuit, configured to shift a phase of the first input signal and output a phase shifted first input signal, the phase shifted first input signal having a different phase from that of the first input signal;
a second phase shifting circuit, configured to shift a phase of the oscillation signal to produce a phase shifted oscillation signal, the phase shifted oscillation signal having a different phase from that of the oscillation signal; and
a second mixer, coupled to the first phase shifting circuit, configured to mix the phase shifted first input signal with the phase shifted oscillation signal to generate a second output signal, wherein a frequency of the phase shifted oscillation signal is equal to a frequency of the oscillation signal, and wherein a sum of the phase shifts produced by the first and second phase shifting circuits is 90 degrees;
wherein a value of N is equal to the frequency dividing factor, such that the compensation signal reduces at least the Nth harmonic of the amplifier output signal to prevent the amplified output signal from affecting the frequency of the oscillation signal.

US Pat. No. 10,116,288

REDUCED OVERHEAD ON DIGITAL SIGNAL PROCESSING FOR MOTOR DRIVE APPLICATIONS

HAMILTON SUNDSTRAND CORPO...

1. A monostable multivibrator communicatively coupled to a host device and an external analog-to-digital converter, the monostable multivibrator configured to:receive a chip select signal from the host device, the chip select signal going low to trigger the monostable multivibrator to provide the monostable pulse; and
generate, in response to the chip select signal, a conversion start signal to the external analog-to-digital converter, the conversion start signal comprising the monostable pulse provided by the monostable multivibrator to the external analog-to-digital converter; and
control a pulse width of the monostable pulse by a resistor-capacitor circuit of the monostable multivibrator.

US Pat. No. 10,116,287

SWITCHED CURRENT CONTROL MODULE AND METHOD THEREFOR

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

1. A switched current control module comprising:a hysteretic control component arranged to receive a high threshold value signal, a low threshold value signal and an indication of a current flow through a load, and to output a switched current control signal based on a comparison of the current flow indication to the high and low threshold value signals;
a threshold generator component arranged to generate the high and low threshold value signals based on a base threshold value and a hysteretic excursion value;
a base threshold value generator component arranged to receive the current flow indication and a setpoint value, to determine an average current error value for the current flow through the load based on the received indication of current flow through the load and the setpoint value, and to generate the base threshold value signal based on the determined average current error value; and
a hysteretic excursion value generator component arranged to receive an indication of a switching frequency of the switched current control signal output by the hysteretic control component, and to generate the hysteretic excursion value signal based on the indicated switching frequency of the switched current control signal.

US Pat. No. 10,116,286

REFERENCE CLOCK SIGNAL GENERATORS AND METHODS FOR GENERATING A REFERENCE CLOCK SIGNAL

Agency for Science, Techn...

1. A method for generating a reference clock signal, the method comprising:discharging a capacitive element to a discharged state, when a reset signal has a predetermined reset state;
charging the capacitive element from the discharged state to a first voltage, when a charge signal has a predetermined charge state;
comparing the first voltage to a zero voltage, when a compare signal has a predetermined compare state;
generating a second voltage based on the comparing of the first voltage to the zero voltage;
generating a clock signal based on the second voltage, using an oscillator; and
generating each of the reset signal, the charge signal and the compare signal, based on the clock signal.

US Pat. No. 10,116,283

DUAL PASSBAND RADIO FREQUENCY FILTER AND COMMUNICATIONS DEVICE

Resonant Inc., Santa Bar...

1. A communications device, comprising:a multi-band filter having a lower pass-band and an upper pass-band separated by an intervening stop-band, comprising:
a first plurality of acoustic wave resonators including two or more first-network shunt resonators and two or more first-network series resonators coupled to form a first ladder network; and
a second plurality of acoustic wave resonators forming a second ladder network, the first and second ladder networks coupled in series between a first port and a second port, wherein
the two or more first-network shunt resonators have respective motional resonance frequencies below a lower edge of the lower passband to provide transmission zeros below the lower edge of the lower pass-band and the two or more first-network series resonators have respective anti-resonance frequencies above an upper edge of the upper passband to provide transmission zeros above the upper edge of the upper pass-band, and
the second ladder network is configured to provide transmission zeros at frequencies within the intervening stop-band.

US Pat. No. 10,116,280

COIL COMPONENT

SAMSUNG ELECTRO-MECHANICS...

9. A coil component comprising:a body including first and second filter parts overlaying each other and a main surface of a substrate, and spaced apart from each other in a thickness direction orthogonal to the main surface of the substrate,
wherein:
each filter part of the first and second filter parts includes upper and lower coils disposed in the body to overlay each other and spaced apart from each other in the thickness direction,
one of the upper and lower coils of the first filter part is electrically connected in series with one of the upper and lower coils of the second filter part such that a first current flowing in the one coil of the first filter part produces a magnetic flux having a direction opposite to a magnetic flux produced by the first current flowing through the series connected one coil of the second filter part,
another of the upper and lower coils of the first filter part is electrically connected in series with another of the upper and lower coils of the second filter part such that a second current flowing in the other coil of the first filter part produces a magnetic flux having a direction opposite to a magnetic flux produced by the second current flowing through the series connected other coil of the second filter part, and
a distance between the coil windings in each of the upper and lower coils of the first filter part is smaller than a distance between the coil windings in each of the upper and lower coils of the second filter part.

US Pat. No. 10,116,279

IMPEDANCE MATCHING FOR INDUCTIVE POWER TRANSFER SYSTEMS

Apple Inc., Cupertino, C...

1. An electromagnetic induction power transfer apparatus comprising:an inductive power transmitter, comprising:
a power supply with an active state and an inactive state, configured to switch between the active state and the inactive state at a selectable duty cycle; and
a power-transmitting inductor coupled to the power supply; and
an inductive power receiver, comprising:
a power-receiving inductor, positioned inductively proximate the power-transmitting inductor;
a programmable load; and
an impedance controller coupled to the power receiving inductor and configured to increase or decrease an electrical impedance of the inductive power receiver in response to a change in a power requirement of the programmable load, the impedance controller comprising a synchronous bridge rectifier comprising:
an oscillator having a controllable duty cycle; and
a plurality of switches, each switchable at least in part in response a voltage polarity of the power-receiving inductor and a voltage magnitude of the oscillator.

US Pat. No. 10,116,278

ELECTRONIC COMPONENT

Murata Manufacturing Co.,...

1. An electronic component comprising:a substrate;
a capacitor lower electrode disposed on the substrate;
a purely inorganic dielectric layer disposed on the substrate to cover the capacitor lower electrode;
a capacitor upper electrode disposed directly on the purely inorganic dielectric layer and facing the capacitor lower electrode via the purely inorganic dielectric layer; and
a coil electrically connected to the capacitor lower electrode or the capacitor upper electrode, wherein
a portion of the purely inorganic dielectric layer covers an upper surface of the capacitor lower electrode and extends over an edge of the capacitor lower electrode and downward along a side of the capacitor lower electrode, an upper surface of an entirety of the portion is flat.

US Pat. No. 10,116,276

POWER AMPLIFIER CIRCUIT

National Chi Nan Universi...

1. A radio frequency (RF) power amplifier circuit comprising:a power divider disposed to receive an RF input signal, and configured to divide the RF input signal into more than three RF division signals;
a plurality of power amplification circuits coupled to said power divider for respectively receiving the RF division signals, each of said power amplification circuits being configured to perform power amplification on a respective one of the RF division signals, and to output a respective one of amplified RF division signals; and
a power combiner coupled to said power amplification circuits for receiving the amplified RF division signals, and configured to combine the amplified RF division signals into an RF output signal;
wherein one of said power divider and said power combiner has a first microstrip structure,
said RF power amplifier circuit further comprising a first impedance conversion circuit that has
a first terminal coupled to said one of said power divider and said power combiner that has said first microstrip structure, and
a second terminal that is disposed to receive the RF input signal when said first terminal is coupled to said power divider, and that is disposed to output the RF output signal when said first terminal is coupled to said power combiner,
said first impedance conversion circuit being configured to permit transmission of one of the RF input signal and the RF output signal between said first and second terminals thereof, and being configured such that a first conversion impedance, which is an impedance seen into said first impedance conversion circuit from said first terminal, matches an impedance seen into said one of said power divider and said power combiner from said first terminal; and
wherein said first microstrip structure has a physical length associated with the first conversion impedance,
said RF power amplifier circuit satisfying:

where:
N represents a number of the RF division signals,
?TE represents an equivalent electrical length of said first microstrip structure,
YTE represents an equivalent characteristic transconductance of said first microstrip structure,
? represents an angular frequency of the RF input signal,
?T represents the physical length of said first microstrip structure,
ZL represents the first conversion impedance;
RL represents a real part of ZL,
LL represents an imaginary part of ZL,
Zx represents an impedance seen into said first microstrip structure from a terminal of said first microstrip structure to which one of said power amplification circuits is coupled,
Rx represents a real part of Zx,
Lx represents an imaginary part of Zx, and
? represents a wavelength of the RF input signal.

US Pat. No. 10,116,274

PROCESS-COMPENSATED HBT POWER AMPLIFIER BIAS CIRCUITS AND METHODS

Skyworks Solutions, Inc.,...

1. A system for biasing a power amplifier, the system comprising:a power amplifier circuit including a transistor, the transistor including a stack of layers formed on a semiconductor;
an integrated resistor formed as a layer stack device including a plurality of differently doped layers on the semiconductor that includes the transistor, the integrated resistor configured to sense a beta parameter of the power amplifier circuit, the beta parameter dependent on characteristics of the semiconductor and corresponding to a direct current gain; and
a biasing circuit configured to bias the transistor of the power amplifier circuit based at least in part on a measurement of the beta parameter sensed by the integrated resistor.

US Pat. No. 10,116,273

CURRENT REUSE FIELD EFFECT TRANSISTOR AMPLIFIER

Mitsubishi Electric Corpo...

1. A current reuse field effect transistor amplifier comprising:a first field effect transistor including a first gate to which a radio frequency (RF) signal is input, a first source, and a first drain;
a first resistor connected between the first source and a terminal for grounding;
a second field effect transistor including a second source, a second gate connected to the first drain, and a second drain that is connected to a terminal for power supply and outputs the RF signal;
a second resistor connected between the second source and the second gate;
a third field effect transistor including a third source, a third drain connected to the terminal for power supply, and a third gate connected to the terminal for grounding;
a fourth field effect transistor including a fourth source, a fourth drain, and a fourth gate connected to the third source;
one or a plurality of diodes connected in series between the fourth source and the terminal for grounding;
a third resistor connected between the terminal for power supply and the fourth drain; and
a fourth resistor connected between the fourth drain and the first gate,whereinthe first to the fourth field effect transistors are each a depletion mode field effect transistor.

US Pat. No. 10,116,272

VARIABLE IMPEDANCE MATCH AND VARIABLE HARMONIC TERMINATIONS FOR DIFFERENT MODES AND FREQUENCY BANDS

pSemi Corporation, San D...

1. An arrangement configured to receive and amplify a first signal, the arrangement comprising:an amplifier having an amplifier output terminal, wherein, during operation of the arrangement, the amplifier generates a second signal by amplifying the first signal;
a first harmonic termination arrangement comprising a first set of one or more harmonic terminations operatively connected in series;
a second harmonic termination arrangement comprising a second set of one or more harmonic terminations operatively connected in series; and
a switching arrangement;
wherein:
the switching arrangement is configured to selectively provide a conduction path of the second signal through one of the first set and the second set of one or more harmonic terminations operatively connected in series; and
each of the first set and the second set of one or more harmonic terminations is configured to resonate at a corresponding harmonic resonant frequency.

US Pat. No. 10,116,271

CURRENT-TO-VOLTAGE CONVERTER, AMPLIFIER INPUT STAGE AND CORRESPONDING AMPLIFIER

Devialet, Paris (FR)

1. A current-to-voltage converter, the input current having a variable component, the converter comprising:an input for the current to be converted;
an output for the converted voltage;
a current-to-voltage conversion resistance connected to the output and to a reference potential;
a processing circuit comprising:
a voltage source;
a main branch comprising at least one transistor whose gate is connected to the voltage source and at least one current source connected in series with the transistor, the input being connected to the output via the transistor;
a twin circuit comprising:
a voltage source that is identical to the voltage source of the processing circuit;
a twin branch that is identical to the main branch of the processing circuit;
a voltage follower that is connected at the input to the main branch of the processing circuit and connected at the output to the twin branch of the twin circuit, and
current reinjection means for reinjecting the current at the output of the follower into the main branch of the processing circuit, wherein the voltage follower comprises a first output for conveying a current to the twin circuit and a second output for reinjecting a current, equal to the current originating from the first output, into the main branch of the processing circuit, the converter being fabricated on a substrate.

US Pat. No. 10,116,270

TUNABLE POWER AMPLIFIER WITH WIDE FREQUENCY RANGE

TEXAS INSTRUMENTS INCORPO...

1. A circuit comprising:an amplifier to amplify an input signal and generate an output signal; and
a tuning network to tune a frequency response of the amplifier, the tuning network comprising at least one tunable microelectromechanical system (MEMS) capacitor, the at least one tunable MEMS capacitor comprising a MEMS superstructure disposed over a control structure, the control structure being arranged to control the MEMS superstructure and tune a capacitance of the at least one tunable MEMS capacitor, the control structure comprising an electrode, and the MEMS superstructure comprising at least one substantially planar membrane positioned parallel to the electrode.

US Pat. No. 10,116,268

OPERATIONAL AMPLIFIER

Analog Devices Global, H...

1. An amplifier circuit that generates an output voltage comprising a relatively constant offset voltage, the amplifier circuit comprising:an output stage configured to generate the output voltage;
first and second differential input stages coupled to the output stage, wherein the first differential input stage includes a pair of first input transistors and the second differential input stage includes a pair of second input transistors complementary in type to the first input transistors;
a switching network configured to couple a differential input signal to the first differential input stage and a reference voltage to the second differential input stage in response to a control signal having a first state, and to couple the differential input signal to the second differential input stage and the reference voltage to the first differential input stage in response to the control signal having a second state; and
a comparator configured to generate the control signal based on comparing a signal level of the differential input signal to a threshold signal.

US Pat. No. 10,116,267

SINGLE-ENDED AMPLIFIER CIRCUIT WITH IMPROVED CHOPPER CONFIGURATION

STMicroelectronics S.r.l....

1. An amplifier circuit, comprising:an input stage, of a differential type, coupled to a first differential input and to a second differential input between which, in use, a differential input voltage is present;
a converter stage coupled to said input stage and configured to convert said differential input voltage into a single-ended converted voltage;
an output stage coupled to said converter stage and configured to generate, starting from said single-ended converted voltage, an output voltage on a single output;
a biasing stage, operatively coupled to said input stage and to said output stage for supplying a biasing current; and
a chopper module configured to reduce a contribution of offset and noise associated to said output voltage, wherein said chopper module includes:
an input chopper stage coupled to said input stage;
a converter chopper stage coupled to said converter stage and configured to generate said single-ended converted voltage; and
a biasing chopper stage coupled to said biasing stage and configured to generate said biasing current.

US Pat. No. 10,116,266

DOHERTY AMPLIFIER

KABUSHIKI KAISHA TOSHIBA,...

1. A method for determining circuit parameters of a Doherty amplifier comprising: an input terminal; an output terminal; a splitter connected to the input terminal, the splitter having first and second outputs; a combiner connected to the output terminal, the combiner having first and second inputs; a carrier amplifier including a first input-side two-port network connected to the first output of the splitter, a first amplifier connected to an output of the first input-side two-port network, and a first output-side two-port network connected between an output of the first amplifier and the first input of the combiner; and a peak amplifier including a second input-side two-port network connected to the second output of the splitter, a second amplifier connected to the output of the second input-side two-port network, and a second output-side two-port network connected between an output of the second amplifier and the second input of the combiner,wherein the method comprises:
determining circuit parameters of the output-side two-port network of the carrier amplifier and the output-side two-port network of the peak amplifier so that the combiner is a parallel-connected load type having a parallel connection of the output-side two-port network of the carrier amplifier and the output-side two-port network of the peak amplifier for the output terminal at the combining point, and that a load admittance at the combining point is expressed using a complex number;
wherein if the load admittance at the combining point is YL?, the circuit parameters of the output-side two-port network from the current source end of the carrier amplifier up to the combining point are Fc (Ac, Cc, Cc, Dc), the circuit parameters of the output-side two-port network from the current source end of the peak amplifier up to the combining point are Fp (Ap, Bp, Cp, Dp), the load resistance of the carrier amplifier in the state in which it is not backed off is Roptc, the load resistance of the peak amplifier in the state in which it is not backed off is Roptp, m=1+Roptc/Roptp, and the phase difference between the phase of the current source of the carrier amplifier and the phase of the current source of the peak amplifier is ?, within a transmission frequency band, the relationships:
(Ac×Dp+Bc×Cp+Bc×Dp×YL?)/(Cc×Dp+Cp×Dc+Dc×Dp×YL?)=m×Roptc  (1)
?c/(Cc×Dp+Cp×Dc+Dc×Dp×YL?)=?Roptc×ej×?  (2)
?p/(Cc×Dp+Cp×Dc+Dc×Dp×YL?)=Roptc×e?j×?  (3)
(Ap×Dc+Bp×Cc+Bp×Dc×YL?)/(Cc×Dp+Cp×Dc+Dc×Dp×YL?)=0  (4)
are satisfied, wherein ?c=Ac×Dc?Bc×Cc and ?p=Ap×Dp?Bp×Cp.

US Pat. No. 10,116,265

MODULAR AND SCALABLE POWER AMPLIFIER SYSTEM

Telefonaktiebolaget LM Er...

1. A modular power amplifier system for receiving an input signal and providing output signals with scalable output power, wherein the modular power amplifier system comprises:a plurality of amplifier modules, each amplifier module comprises an input port and an output port, and wherein the plurality of amplifier modules are arranged into a number of sections comprising:
a first section which comprises a first amplifier module, among the plurality of amplifier modules, configured to receive the input signal within a first amplitude range and provide an output signal having a first output power;
a second section which comprises a second amplifier module, among the plurality of amplifier modules, configured to receive the input signal within a second amplitude range and provide an output signal having a second output power; and
an i-th section which comprises multiple amplifier modules, among the plurality of amplifier modules, each being configured to receive the input signal within a certain amplitude range and provide an output signal having a certain output power, and wherein
the output signal of the first amplifier module is combined with the output signal of the second amplifier module and the output signal of each amplifier module in the -th section is split and each split output signal is combined with the respective output signal of the amplifier modules in the i-th section, wherein i=3, 4, . . . .

US Pat. No. 10,116,264

CALIBRATING A POWER AMPLIFIER SUCH AS IN A REMOTE UNIT IN A WIRELESS DISTRIBUTION SYSTEM (WDS)

Corning Optical Communica...

1. A power amplifier calibration circuit, comprising:a power amplifier comprising a signal input, a signal output, a first bias signal input, and a second bias signal input, wherein the power amplifier is configured to:
receive an input signal having a first power at the signal input;
receive a first bias signal at the first bias signal input;
receive a second bias signal at the second bias signal input;
amplify the input signal to generate an output signal having a second power higher than the first power at the signal output; and
control a first power amplifier performance parameter and a second power amplifier performance parameter in the output signal based on the first bias signal and the second bias signal; and
a control circuit configured to:
provide a plurality of bias signal combinations to the power amplifier, wherein each of the plurality of bias signal combinations comprises a respective first bias signal and a respective second bias signal to be provided to the first bias signal input and the second bias signal input of the power amplifier, respectively;
receive a plurality of performance indication signals comprising a plurality of measurements corresponding to the plurality of bias signal combinations, respectively, wherein each of the plurality of measurements comprises the first power amplifier performance parameter and the second power amplifier performance parameter;
rank the plurality of measurements based on a predefined ranking criteria; and
determine a selected bias signal combination among the plurality of bias signal combinations corresponding to a selected ranked measurement among the plurality of measurements.

US Pat. No. 10,116,263

METHOD AND DEVICE FOR TIA OVERLOAD CONTROL IN LOW POWER APPLICATIONS

INPHI CORPORATION, Santa...

1. A transimpedance amplifier (TIA) device comprising:a semiconductor substrate;
a TIA configured on the semiconductor substrate, the TIA comprising an input terminal and an output terminal; and
an overload buffer module coupled to the input terminal of the TIA, the overload buffer module comprising:
a variable current source having an input and an output, and
a biased buffer diode coupled to the output of the variable current source;
wherein the biased buffer diode is coupled to a ground node; and
wherein the variable current source is configured as a control source to replicate a DC signal at the output.

US Pat. No. 10,116,262

FRONT-END AMPLIFIER CIRCUITS FOR BIOMEDICAL ELECTRONICS

WINBOND ELECTRONICS CORP....

1. A front-end amplifier circuit for receiving a biological signal, comprising:a signal channel, amplifying the biological signal to generate a detection current, wherein the signal channel comprises:
a capacitive-coupled transconductance amplifier, amplifying the biological signal with a transconductance gain to generate a first current; and
a band-pass filtering amplifier, filtering noise in the first current outside a bandwidth and amplifying the first current with a first current gain to generate a second current;
a programmable-gain amplifier, amplifying the second current with a second current gain to generate the detection current on a programmable-gain output node, wherein the second current gain is programmable; and
an offset cancellation circuit, configured to cancel output offset currents of the capacitive-coupled transconductance amplifier, the band-pass filtering amplifier, and the programmable-gain amplifier.

US Pat. No. 10,116,261

OSCILLATOR CIRCUIT

KABUSHIKI KAISHA TOSHIBA,...

1. An oscillator circuit comprising:a resonant circuit; and
first and second negative-resistance circuits,
wherein each of the first and second negative-resistance circuits includes a first power-supply terminal, a second power-supply terminal, an input terminal and an output terminal, and the first and second negative-resistance circuits are connected in series between a first power supply and a second power supply at the first and second power-supply terminals, and connected parallel to the resonance circuit at the input and output terminals, and
wherein each of the first and second negative-resistance circuits comprises a first transistor of a first conductivity type which includes a first current path and a first gate electrode, the first current path of the first transistor being located between the first power supply terminal and the second power supply terminal, and
an intermediate voltage is supplied to the first gate electrode of the first transistor, the intermediate voltage is a voltage between a voltage at the first power supply terminal and a voltage at the second power supply terminal.

US Pat. No. 10,116,260

VCO SELECTION AND AMPLITUDE MANAGEMENT USING CENTER TAP INDUCTOR

International Business Ma...

1. An apparatus comprising:a first voltage controlled oscillator (VCO) that includes a first inductor, a first varactor, a first transistor, and a second transistor, wherein the first inductor is coupled to the first varactor, the first transistor and the second transistor; wherein the first inductor includes a first center tap connection; and wherein a center tap voltage at the first center tap connection affects an oscillation of the first VCO;
a second VCO that includes a second inductor having a second center tap connection, a pair of transistors coupled to the second inductor, and a second varactor;
an operational amplifier, wherein an output of the operational amplifier is coupled to the first center tap connection of the first inductor;
a first multiplexer receiving an output from the operational amplifier, the first multiplexer coupled to the first and second center tap connections; and
a second multiplexer providing an input to the operational amplifier, the second multiplexer coupled to the first and second center tap connections,
wherein a selection signal is used to select between the second VCO and the first VCO.

US Pat. No. 10,116,257

ENHANCED SOLAR PANELS, LIQUID DELIVERY SYSTEMS AND ASSOCIATED PROCESSES FOR SOLAR ENERGY SYSTEMS

Accurate Solar Power, LLC...

1. A liquid distribution system for a power generation system comprising a plurality of solar panels, comprising:a server;
a delivery mechanism for distributing a liquid over the outer surface of at least a portion of the solar panels;
a liquid delivery controller associated with the delivery mechanism; and
a plurality of panel controllers, wherein each of the panel controllers is associated with a corresponding solar panel and is configured to track one or more operating parameters for the corresponding solar panel, and to send a data signal to the server, wherein the data signal corresponds to the tracked parameters;
wherein the server is configured to monitor temperature of one or more of the solar panels based upon the received data signals, and to send a control signal to the liquid delivery controller when the monitored temperature exceeds a temperature setpoint; and
wherein the liquid delivery controller is configured to activate the delivery mechanism in response to the control signal.

US Pat. No. 10,116,256

PHOTOVOLTAIC MODULES WITH CORNER JUNCTION BOXES AND ARRAY OF THE SAME

SolarCity Corporation, S...

1. A photovoltaic array, comprising:a plurality of photovoltaic modules arranged in an array, each photovoltaic module having a positive-voltage junction box being positioned at a first corner of an underside of the photovoltaic module and a negative-voltage junction box being positioned at a second corner on the underside of the photovoltaic module;
wherein each photovoltaic module comprises:
a plurality of photovoltaic cells arranged within a frame and located on an upper side of the photovoltaic module;
the positive-voltage junction box being electrically connected to the plurality of photovoltaic cells by a first electrical ribbon;
the negative-voltage junction box being electrically connected to the plurality of photovoltaic cells by a second electrical ribbon; and
the positive-voltage junction box and the negative-voltage junction box being directly electrically connected to each other by an electrical conduit;
wherein the array comprises a first row of photovoltaic modules electrically connected to each other and each photovoltaic module of the first row being oriented in a first direction; and
wherein the array comprises a second row of photovoltaic modules electrically connected to each other and each photovoltaic module of the second row being oriented in a second direction that is 180° opposite relative to the first direction, and wherein one photovoltaic module of the first row is electrically connected to one photovoltaic module of the second row.

US Pat. No. 10,116,255

CLEANING SYSTEM FOR SOLAR PANELS

SOLAR MAID OF NORTHERN AR...

1. An apparatus for cleaning a solar panel, the apparatus comprising:a brush body having a width approximately equal to the solar panel;
a plurality of brush heads each attached to the brush body and having bristles extending away from the brush body, the bristles of each of the plurality of brush heads cooperating to form a contact plane where the bristles contact the solar panel;
a fluid manifold attached to the brush body, the fluid manifold comprising one or more pipes interconnecting a plurality of bulkheads, the plurality of bulkheads comprising:
a hose bulkhead that connects to a hose to establish fluid communication between the fluid manifold and a fluid supply; and
a plurality of nozzle bulkheads in fluid communication with the hose bulkhead; and
a plurality of nozzles each connected to one of the plurality of nozzle bulkheads such that each nozzle bulkhead has attached thereto:
a corresponding forward-facing nozzle of the plurality of nozzles, the corresponding forward-facing nozzle extending beyond a front edge of the brush body and emitting pressurized fluid onto the solar panel; and
a corresponding rear-facing nozzle of the plurality of nozzles, the corresponding rear-facing nozzle extending beyond a rear edge of the brush body and emitting pressurized fluid onto the solar panel.

US Pat. No. 10,116,254

SOLAR-POWERED VENDING MACHINE AND RELATED APPARATUS AND METHODS

1. A solar-powered vending machine comprising:a vending machine; and
a photovoltaic (PV) panel assembly connected to the vending machine having a top and a plurality of sides extending downwardly therefrom, the PV panel assembly including:
a panel subassembly having a plurality of foldably interconnected PV panels to expand to a deployed width greater than a vending machine width and collapse to a stowed width less than or approximately equal to the vending machine width; and
a mounting subassembly connecting the panel subassembly to the vending machine and supporting the plurality of foldably interconnected PV panels for movement between a deployed position, in which the plurality of foldably interconnected PV panels are supported above the top of the vending machine unfolded to the deployed width for sun exposure, and a stowed position, in which the plurality of foldably interconnected PV panels extend downwardly adjacent one of the sides of the vending machine folded to the stowed width;
wherein, in the deployed position, at least one of the plurality of foldably interconnected PV panels is supported directly above the top of the vending machine;
wherein the mounting subassembly comprises at least one first mounting arm and at least one second mounting arm extending between the vending machine and the panel subassembly;
wherein the at least one first mounting arm includes a pair of first mounting arms and the at least one second mounting arm includes a pair of second mounting arms; and
wherein respective machine ends of each of the pair of first mounting arms are pivotably mounted to the top of the vending machine about a first pivot axis, and respective machine ends of each of the pair of second mounting arms are pivotably mounted about a second pivot axis to the one of the sides of the vending machine down which the plurality of foldably interconnected PV panels extend in the stowed position.

US Pat. No. 10,116,253

SOLAR POWER GENERATING DEVICE

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

1. A solar power generating device comprising:solar cell modules arrange as a plurality of rows and columns; and
an inclination control member to control inclination angles of the solar cell modules at a time,
wherein the inclination control member comprises:
a support unit to support the solar cell modules;
a control unit disposed on the support unit to control the inclination angles of the solar cell modules; and
a driving unit to operate the control unit,
wherein the solar cell module includes a silicon-based solar cell,
wherein the support unit includes a rail,
one end of the control unit is coupled to the support unit and an opposite end of the control unit is coupled to the solar cell module, and
one end of the solar cell module is coupled to the support unit and an opposite end of the solar cell module is coupled to the control unit,
wherein the control unit includes a first rotational unit coupled to the support unit, and
the solar cell module includes a second rotational unit coupled to the support unit,
the solar power generating device further comprising a third rotational unit to connect the solar cell module to the control unit.

US Pat. No. 10,116,252

METHOD AND APPARATUS FOR EFFICIENT SOLAR POWER COLLECTION

1. A method of seasonally positioning a solar panel, comprising: providing a mounted solar panel moveable between a horizontal position and an angled tracking position, wherein the mounted solar panel is connected to a frame or stand by a moveable joint mechanism, wherein one panel axis is fixed to face in a direction toward the equator,maintaining the solar panel in a fixed and non-tracking horizontal position for a predetermined number of days of a year; and
positioning the solar panel in at least one angled position at an angle to the horizontal position for a remaining number of days of the year, wherein the mounted solar panel is controlled electromechanically or manually, and the mounted solar panel is balanced against wind and snow loading, and the predetermined number of days comprises at least 80 days centered on the summer solstice.

US Pat. No. 10,116,251

MOTOR DRIVE DEVICE AND MOTOR DRIVING METHOD

FANUC CORPORATION, Yaman...

1. A motor drive device that supplies electric power from a power element to a motor and dissipates heat from the power element by way of a heat sink, the motor drive device comprising:a temperature detection unit that detects an actual temperature of the heat sink;
an electric current detection unit that detects electric current from the power element to the motor;
an actual temperature variation calculation unit that calculates an actual temperature variation of the heat sink relative to time, from the actual temperature of the heat sink detected by the temperature detection unit;
an estimated temperature variation calculation unit that calculates an estimated temperature variation of the heat sink relative to time, from an estimated temperature of the heat sink calculated based on the electric current detected by the electric current detection unit; and
a temperature abnormality determination unit that determines existence of a temperature abnormality in the heat sink, according to whether or not the actual temperature variation calculated by the actual temperature variation calculation unit is departing from a permitted range based on the estimated temperature variation calculated by the estimated temperature variation calculation unit.

US Pat. No. 10,116,235

POWER CONVERSION APPARATUS

DENSO CORPORATION, Kariy...

1. A power conversion apparatus that converts power of a rotating electric machine including a three-phase winding set, the power conversion apparatus comprising:an inverter unit that comprises a plurality of switching elements provided in correspondence to the phases of the winding set; and
a control unit that is configured to control currents of the winding set by controlling on-off operations of the switching elements by pulse width modulation control, the control unit comprising a modulation processing unit that is configured to perform a modulation process that is a down-shift process or an up-shift process, wherein in the down-shift process, a neutral-point voltage is shifted towards a low voltage side such that a smallest phase voltage command value is a lower fixed value that is a first lower limit value or a second lower limit value, and in the up-shift process, the neutral-point voltage is shifted towards a high voltage side such that a largest phase voltage command value is an upper fixed value that is a first upper limit value or a second upper limit value, wherein
the modulation processing unit selects either of a first fixed value and a second fixed value based on a difference between the phase voltage command values, the first fixed value being the first lower limit value or the first upper limit value, the second fixed value being the second lower limit value or the second upper limit value, wherein in the modulation process, the first fixed value is switched to the second fixed value based on a first determination value, the second fixed value is switched to the first fixed value based on a second determination value, and the first determination value and the second determination value are differing values.

US Pat. No. 10,116,234

DC/AC CONVERTER COMPRISING CONTROL MEANS FOR INRUSH CURRENT PROTECTION

ABB Schweiz AG, Baden (C...

1. An apparatus for converting a DC input voltage into an AC voltage comprising:a DC/AC converter adapted to convert the voltage of a DC voltage source into an AC voltage for supplying a load and for delivering to a utility grid;
a filter interposed between the output of said DC/AC converter and the grid and adapted to remove high frequency ripple from said AC voltage;
a controller adapted to manage and regulate the operation of said DC/AC Converter said controller comprising a voltage controller and a current controller, said voltage controller being adapted to provide the current reference value (IRef) for said current controller based on the level of the input DC voltage available, said current controller being adapted to regulate the current injected into the grid, wherein
said current controller comprises a primary current controller and a secondary current controller and in that
said controller further comprises:
means for detecting the presence of inrush current on the output of said DC/AC converter;
means for transferring the control between said primary current controller and said secondary current controller after an inrush transient is detected, said secondary current controller being faster than said primary current controller and working with a reduced current reference (IRef) with respect to the current reference (IRef) of said primary current controller before the transient.

US Pat. No. 10,116,231

DIGITAL CURRENT-SHARING LOOP DESIGN OF PSUS TO ENSURE OUTPUT VOLTAGE REGULATION DURING DYNAMIC LOAD TRANSIENTS

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

1. An Information Handling System (IHS) comprising:a power consuming component that requires electrical power to operate;
a power interconnect; and
more than one power supply unit (PSU) connected in parallel via the power interconnect to convert alternating current (AC) electrical power, received from a power source, into voltage regulated, shared direct current (DC) electrical power, provided at a shared current output, the more than one PSU having master-slave current sharing control to provide shared DC electrical power based in part on a shared current signal carried on the power interconnect, the shared current signal having a delay;
wherein each PSU of the more than one PSU comprises:
an output amplifier electrically connected to the shared current output and that produces respective local DC electrical power;
an internal current sensor that measures the local DC electrical power and provides a local current signal representing the magnitude of the local DC electrical power;
a master control unit (MCU) in communication with the power interconnect, the internal current sensor, and the output amplifier, and which:
delays the internal current signal to match the delay in the shared current signal; and
controls the output amplifier based on the shared current signal and the delayed local current signal to maintain the respective, local DC electrical power in proportion to contributions by other PSUs to the shared DC electrical power and thereby avoid instability in dynamic response to a load transient induced by the power consuming component;
wherein the MCU delays the local current signal by averaging the local current signal over an adjustable time period that is set to match the delay in the shared current signal.

US Pat. No. 10,116,230

METHODS, CIRCUITS AND ARTICLES OF MANUFACTURE FOR CONFIGURING DC OUTPUT FILTER CIRCUITS

Eaton Capital Unlimited C...

1. A method of operating an AC to DC converter circuit, the method comprising:changing a configuration of a DC output filter circuit by switching an inductive circuit element from being in series with a capacitive circuit element to being bypassed and to maintain the capacitive circuit element across an output of the DC output filter circuit, to reshape a current waveform in a rectifier circuit, included in the AC to DC converter circuit, based on an operating efficiency of the AC to DC converter circuit;
wherein changing a configuration of a DC output filter circuit comprises:
configuring the DC output filter circuit so that the current waveform includes a peak current over a time interval; and
changing the configuration of the DC output filter circuit to reduce the peak current and to extend the current waveform to a time beyond the time interval;
wherein configuring the DC output filter circuit comprises configuring the DC output filter circuit to include the capacitive circuit element, wherein changing the configuration of the DC output filter circuit comprises switching the inductive circuit element into series with the capacitive circuit element.

US Pat. No. 10,116,229

MULTILEVEL CASCADE HEXAGONAL VOLTAGE SOURCE CONVERTER WITH ISOLATED DC SOURCES

KING SAUD UNIVERSITY, Ri...

1. A multilevel cascade hexagonal voltage source converter (VSC) comprising a plurality of polyphase stages, each of the polyphase stages having:a plurality of n AC inputs corresponding to a number of phases, and a numerically identical plurality of n outputs, the outputs of one of the polyphase stages being connected to the inputs of a next polyphase stage in order to connect the polyphase stages in cascade;
a plurality of n DC-to-AC converters corresponding to the number of phases, each of the n DC-to-AC converters being connected to one of the n AC inputs corresponding to a respective phase so that the n DC-to-AC converters provide n DC-to-AC electrical conversions at the corresponding respective phase of their respective n AC inputs and cascades AC current received at the inputs connected to then DC-to-AC converters, each of the n DC-to-AC converters providing two AC outputs;
a connection for receiving DC power and amplifying its AC outputs with the received DC power;
the multilevel cascade hexagonal voltage source converter (VSC) further having a plurality of n split inductors, each n split inductor having two end terminals and a center tap terminal, the n split inductor on respective sides of the center tap terminal forming inductor half-segments, the AC outputs of the n DC-to-AC converters being connected to adjacent ones of the n split inductors at respective ones of the two end terminals, whereby the n split inductors and the n DC-to-AC converters establish a polyphase ring connection, the plurality of n split inductors having inductive cross-coupling links, the inductive cross-coupling links being inductively connected to the inductor half-segments at opposite sides of the polyphase ring connection, the center tap terminals of the n split inductors providing n AC outputs for its respective polyphase stage.

US Pat. No. 10,116,228

CONVERTER AND POWER CONVERSION DEVICE MANUFACTURED USING THE SAME

TOSHIBA MITSUBISHI-ELECTR...

1. A converter configured to convert an AC voltage applied to an input terminal into a first DC voltage, a second DC voltage and a third DC voltage, and output the first DC voltage, the second DC voltage and the third DC voltage through a first output terminal, a second output terminal and a third output terminal, respectively, the converter comprising:a first transistor having a first electrode and a second electrode that are connected to the first output terminal and the input terminal, respectively;
a second transistor having a first electrode and a second electrode that are connected to the input terminal and the second output terminal, respectively;
a first diode and a second diode connected in anti-parallel to the first transistor and the second transistor, respectively; and
a first bidirectional switch connected between the input terminal and the third output terminal,
the first DC voltage being higher than the second DC voltage, and the third DC voltage being an intermediate voltage between the first DC voltage and the second DC voltage,
the first bidirectional switch including a third transistor, a fourth transistor, a third diode, and a fourth diode,
each of the first diode, the second diode, the third transistor, and the fourth transistor being formed of a wide band gap semiconductor,
each of the third diode, the fourth diode, the first transistor, and the second transistor being formed of a semiconductor other than the wide band gap semiconductor, and
each of the first diode and the second diode being greater in rated current than each of the third diode, the fourth diode, the first transistor, the second transistor, the third transistor, and the fourth transistor.

US Pat. No. 10,116,227

SYSTEM AND METHOD FOR PULSE DRIVING FOR REDUCING NUMBER OF OPTICAL FIBERS

Delta Electronics (Shangh...

1. A pulse driving system for driving a multi-level converter which comprises at least M power switches, where M?2, wherein the pulse driving system comprises:a main control module generating encoding information which contains driving information according to sampling information;
a local control module electrically coupled to the multi-level converter to output control signals to the multi-level converter so as to control on and off of the at least M power switches in the multi-level converter; and
a first optical fiber coupled to the main control module and the local control module, wherein the local control module receives the encoding information output from the main control module via the first optical fiber and generates the control signals according to the encoding information;
wherein the main control module comprises:
a data processing unit receiving the sampling information of the multi-level converter and outputting the driving information by a control algorithm;
a first control unit electrically coupled with the data processing unit to receive and encode the driving information and output the encoding information.

US Pat. No. 10,116,226

MULTI-PHASE ELECTRIC DRIVE AND METHOD THEREFOR TO PROVIDE POWER TO A POWER UNIT

ABB Schweiz AG, Baden (C...

1. A multi-phase electric drive, including:a multi-phase power transformer, including at least one primary winding and a first number of secondary windings, said primary winding being electrically connectable to a source of multi-phase AC power;
a first number of power units, each of said first number of power units having input connected with a corresponding one of said first number of secondary windings, and a multiple of said first number of power units being serially connected with respective others of said power units in each phase output line connectable to a multi-phase AC load;
at least one measurement device, being electrically connected with said input to at least one of said first number of power units and being adapted for measuring an electrical quantity at the input thereto; and
a control system, being adapted for detecting a fault based on a value for the measured electrical quantity;
wherein said control system is further adapted for detecting said fault based on difference between the value for said electrical quantity measured at the input to at least one of said first number of power units and a threshold; and
wherein said value for measured electrical quantity is a cyclic average of said measured electrical quantity.

US Pat. No. 10,116,225

GATE LINE DRIVE CIRCUIT AND DISPLAY DEVICE HAVING THE SAME

FOCALTECH SYSTEMS CO., LT...

1. A gate line drive circuit, comprising:a first transistor including a control terminal connected to a charge/discharge control signal of a previous-stage gate line drive circuit, a first terminal connected to a charge high voltage, and a second terminal connected to a control node;
a second transistor including a control terminal connected to the control node, a first terminal, and a second terminal connected to a first clock signal;
a third transistor including a control terminal connected to the control node, a first terminal, and a second terminal connected to different from the first clock signal; and
a boosting capacitor including a first terminal connected to the control node, and a second terminal connected to the first terminal of the third transistor,
wherein the first terminal of the third transistor is connected to a control terminal of a first transistor of a next-stage gate line drive circuit, the control terminal of the first transistor of the next-stage gate line drive circuit is driven by the second clock signal, and the first terminal of the second transistor is connected to a gate line of a display panel, such that the gate line of the display panel corresponding to a current stage is driven by the first clock signal and separately and independently from control of the next-stage gate line drive circuit.

US Pat. No. 10,116,223

SWITCHING POWER SUPPLY APPARATUS CAPABLE OF ACHIEVING SOFT SWITCHING OPERATION

COSEL CO., LTD., Toyama ...

1. A switching power supply apparatus comprising:a primary-side circuit and a secondary-side circuit, the primary-side circuit being a synchronous rectification step-up or step-down chopper circuit configured by a series circuit including a main switching element and a choke coil connected in parallel with an input power supply and by a series circuit including a buffer capacitor and a commutation element connected in parallel with the choke coil, and the secondary-side circuit being configured by a series circuit including a second winding of the choke coil, a rectifying element and an output capacitor, an output electric power being obtained from both ends of the output capacitor; and
a switching control circuit including a first deadtime generation circuit and a second deadtime generation circuit configured to complementarily turn the main switching element and the commutation element ON and OFF with a predetermined switching frequency by providing a deadtime,
wherein the first deadtime generation circuit in the switching control circuit is a delay circuit for delaying an ON-duty of the main switching element by a predetermined time, and controls ON and OFF of the main switching element by outputting a control signal based on a PWM signal which is generated from a pulse signal of a switching frequency oscillation circuit which determines the predetermined switching frequency to generate a predetermined first deadtime,
the second deadtime generation circuit synchronizes frequencies of the switching frequency oscillation circuit and an oscillation circuit in the second deadtime generation circuit, and outputs a pulse signal from the switching frequency oscillation circuit which determines the predetermined switching frequency immediately before a pulse signal of the oscillation circuit in the second deadtime generation circuit to generate a predetermined second deadtime, and
the choke coil has an inductance set to have a value so that a current flowing through the choke coil flows in both of a positive direction and a negative direction in one cycle of switching when an output current of the switching power supply apparatus is equal to or smaller than a predetermined rated value.

US Pat. No. 10,116,221

SERIES COMPENSATING ELECTRIC POWER TRANSMISSION SYSTEM

TDK Corporation, (JP)

1. A series compensating electric power transmission system, comprising:a first direct current voltage source that has a first voltage source positive terminal and a first voltage source negative terminal;
a second direct current voltage source that has a second voltage source positive terminal and a second voltage source negative terminal; and
a bidirectional DC-DC converter, the bidirectional DC-DC converter includes:
a pair of first direct current input and output terminals configured with a first I/O positive terminal and a first I/O negative terminal, the first I/O positive terminal being connected to the first voltage source positive terminal, the first I/O negative terminal being connected to the first voltage source negative terminal;
a pair of second direct current input and output terminals configured with a second I/O positive terminal and a second I/O negative terminal, the second I/O negative terminal being connected to the first voltage source positive terminal, the second I/O positive terminal being connected to the second voltage source positive terminal;
a first power converter having the pair of first direct current input and output terminals and a pair of first alternating current input and output terminals, the first power converter configured to bidirectionally perform power conversion between a first direct current voltage generated between the pair of first direct current input and output terminals and a first alternating current voltage generated between the pair of first alternating current input and output terminals;
a second power converter having the pair of second direct current input and output terminals and a pair of second alternating current input and output terminals, the second power converter configured to bidirectionally perform power conversion between a second direct current voltage generated between the pair of second direct current input and output terminals and a second alternating current voltage generated between the pair of second alternating current input and output terminals; and
an isolation transformer having a primary winding and a secondary winding, the primary winding being connected to the pair of first alternating current input and output terminals, the secondary winding being connected to the pair of second alternating current input and output terminals,
wherein the first power converter has a plurality of first switches, and the plurality of first switches are connected to each other in one of push-pull, half bridge and full bridge configurations,
the second power converter has a plurality of second switches, and the plurality of second switches are connected to each other in one of push-pull and full bridge configurations,
the plurality of first switches and the plurality of second switches perform ON and OFF operations based on the first and second direct current voltages,
wherein the plurality of second switches of the second power converter are a plurality of bidirectional switches, and the plurality of bidirectional switches are connected to each other in one of a push-pull configuration or a full bridge configuration, and
each of the plurality of first switches of the first power converter has a single unidirectional switching element, and each of the plurality of bidirectional switches of the second power converter has two unidirectional switching elements so that a configuration of each of the plurality of first switches of the first power converter is different from a configuration of each of the plurality of bidirectional switches of the second power converter.

US Pat. No. 10,116,220

SYSTEMS AND METHODS FOR PROTECTING POWER CONVERSION SYSTEMS UNDER OPEN AND/OR SHORT CIRCUIT CONDITIONS

On-Bright Electronics (Sh...

1. A system for protecting a power converter, the system comprising:an off-time signal generator configured to receive a first comparison signal and generate an off-time signal based at least in part on the first comparison signal, the first comparison signal being associated with a sensing signal and a first threshold signal, the sensing signal being associated with at least a primary current flowing through a primary winding and a switch of a power converter, the power converter being associated with a switching frequency;
wherein the off-time signal generator is further configured to, in response to the first comparison signal indicating that the sensing signal associated with at least the primary current flowing through the primary winding and the switch of the power converter is larger than the first threshold signal in magnitude, generate the off-time signal to keep the switch to be turned off for at least a predetermined period of time, the predetermined period of time extending beyond at least a beginning of a next switching period corresponding to the switching frequency.

US Pat. No. 10,116,219

APPARATUS AND EFFICIENCY POINT TRACKING METHOD FOR HIGH EFFICIENCY RESONANT CONVERTERS

Futurewei Technologies, I...

1. A system comprising:a first converter comprising:
a first input stage coupled to a power source, wherein the first input stage comprises a plurality of power switches;
a first resonant tank coupled to the plurality of power switches;
a first transformer coupled to the first resonant tank;
a first output stage coupled to the first transformer;
a first detector configured to receive a first efficiency point tracking indicator obtained from the first converter; and
a first control circuit configured to receive a first efficiency point tracking signal from the first detector and adjust a first switching frequency of the first converter based upon the first efficiency point tracking signal; and
a second converter having an second input stage connected in parallel with the first input stage of the first converter, wherein the second converter comprises:
a second resonant tank coupled between a second input stage and a second transformer;
a second detector configured to receive a second efficiency point tracking indicator obtained from the second converter; and
a second control circuit configured to receive a second efficiency point tracking signal from the second detector and adjust a second switching frequency of the second converter based upon the second efficiency point tracking signal, wherein the second switching frequency is different from the first switching frequency.

US Pat. No. 10,116,216

ULTRASONIC CONTROL SYSTEM AND METHOD FOR A BUCK-BOOST POWER CONVERTER

SEMICONDUCTOR COMPONENTS ...

1. A circuit for a buck-boost power converter comprising:an inductor driver comprising a first switch to selectively couple an input to a first node of an inductor, a second switch to selectively couple the first node of the inductor to a ground node, a third switch to selectively couple a second node of the inductor to the ground node, and a fourth switch to selectively couple the second node of the inductor to an output;
a pulse width modulator (PWM) to generate a PWM control signal responsive to an output level of the output;
a switch control in communication with the second switch and the third switch;
the circuit configured to operate in a buck mode with the fourth switch enabled for the buck mode and to begin to transition to a boost mode wherein the switch control is configured to, during the transition to the boost mode, detect an on time of the third switch less than a specified entry value and force the second switch to generate first boot refreshing pulses so that the second switch is enabled, during an on-time of the third switch, with an on time of a specified duration value at a rate more than a specified frequency, the circuit configured to subsequently operate in the boost mode after generation of the first boot refreshing pulses;
the circuit configured to operate in the boost mode with the first switch enabled for the boost mode and to begin to transition to the buck mode wherein the switch control is configured to, during the transition to the buck mode, detect on time of the second switch less than the specified entry value and force the third switch to generate second boot refreshing pulses so that the third switch is enabled, during an on time of the second switch, with an on time of the specified duration value at a rate more than the specified frequency, the circuit configured to subsequently operate in the buck mode after generation of the second boot refreshing pulses.

US Pat. No. 10,116,215

BUCK-BOOST CONVERTER FOR AN AUDIO AMPLIFIER WITH MULTIPLE OPERATIONS MODES

Cirrus Logic, Inc., Aust...

1. A switching power stage for producing an output voltage to a load, comprising:a power converter comprising:
a power inductor;
a plurality of switches arranged to sequentially operate in a plurality of switch configurations;
an output for producing the output voltage as an amplified version of a time-varying input signal, the output comprising a first output terminal and a second output terminal, wherein a first switch of the plurality of switches is coupled between the power inductor and the first output terminal and a second switch of the plurality of switches is coupled between the power inductor and the second output terminal; and
at least one of: a first capacitor coupled to the first output terminal and a second capacitor coupled to the second output terminal; and
a controller configured to:
based on a measured parameter associated with the switching power stage and indicative of the time-varying input signal, select a selected operational mode of the power converter from a plurality of operational modes as a function of the time-varying input signal; and
sequentially apply switch configurations from the plurality of switch configurations to selectively activate or deactivate each of the plurality of switches in order to transfer electrical energy from a substantially constant input source of the power converter to the load in accordance with the selected operational mode.

US Pat. No. 10,116,214

DC-DC CONVERTER WITH DIGITAL CURRENT SENSING

Chaoyang Semiconductor Ji...

1. A method of determining output inductor current for a DC-DC switching regulator comprising:converting an output voltage from the DC-DC switching regulator to a digital value of the output voltage using an Analog to Digital (A/D) convertor;
determining an indication of a capacitor current value based on the the digital value of output voltage from the A/D converter using current determination circuitry;
storing the indication of the capacitor current in a first latch when a high side switch in the DC-DC switching regulator is closed and current is being provided from a high voltage source connected to the high side switch or when a low side switch in the DC-DC switching regulator is closed and the DC-DC switching regulator is providing current from a low voltage source connected to the low side switch;
storing the indication of the capacitor current in a second latch when a bypass switch coupling ends of the output inductor and an output capacitor in the DC-DC switching regulator is closed and the DC-DC switching regulator is providing current from a capacitor in the DC-DC switching regulator;
summing the capacitor current values stored in the first latch and the second latch using a summer to determine an indication of output inductor current for the DC-DC switching regulator.

US Pat. No. 10,116,213

SEMICONDUCTOR MODULE AND ELECTRIC POWER CONVERSION APPARATUS

DENSO CORPORATION, Kariy...

1. An electric power conversion apparatus comprising:an IGBT made of a silicon semiconductor; and
a MOSFET made of a wide-bandgap semiconductor having a wider bandgap than the silicon semiconductor,
wherein
the IGBT and the MOSFET are connected in parallel to each other to form a semiconductor element pair,
a surface area of the IGBT is greater than a surface area of the MOSFET,
in a low-temperature state in which temperature of the semiconductor element pair is lower than in a high-temperature state, on-resistance of the MOSFET is lower than on-resistance of the IGBT at a given electric current, and
in the high-temperature state in which the temperature of the semiconductor element pair is higher than in the low-temperature state, the on-resistance of the IGBT is lower than the on-resistance of the MOSFET at the given electric current.

US Pat. No. 10,116,212

VOLTAGE REGULATION BASED ON CURRENT SENSING IN MOSFET DRAIN-TO-SOURCE RESISTANCE IN ON-STATE RDS(ON)

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

1. An Information Handling System (IHS) comprising:an information handling resource;
a synchronous buck voltage regulator (VR) coupled to the information handling resource to deliver electrical energy to the information handling resource by switching between a high side (HS) control switch and a low side (LS) synchronous switch to regulate a direct current (DC) output voltage (VOUT) generated from a DC input voltage (VIN); and
a VR controller coupled to the voltage regulator, and which:
measures at least one inductor current (IMON) value of the voltage regulator during LS synchronous switch ON state;
synthesizes one or more IMON values of the voltage regulator during HS power switch ON state based on the calibrated inductance value, a period of time of Pulse Width Modulation (PWM) ON state, at least one measured VIN value, and at least one measured VOUT value; and
generates a complete IMON signal that combines the measured and synthesized IMON values.

US Pat. No. 10,116,211

POWER CONVERTER WITH ADAPTIVE ZERO-CROSSING CURRENT DETECTION

MEDIATEK INC., Hsin-Chu ...

1. A power converter, comprising:a first transistor, coupled between a VDD supply voltage and a common node;
a second transistor, coupled between the common node and a ground voltage, wherein the common node has a reactive voltage, and a reactive current flows through the common node;
a PWM (Pulse Width Modulation) controller, selectively enabling and disabling the first transistor and the second transistor according to a second control signal and a first transistor control signal;
a low-pass filter, coupled between the common node and an output node; and
a delay controller, generating the second control signal according to a first control signal, wherein the delay controller comprises:
a first comparator, comparing the reactive voltage with a reference voltage so as to generate the first control signal; and
a delay unit directly connected to an output of the first compactor, directly delaying the first control signal for a first delay time so as to generate the second control signal.

US Pat. No. 10,116,210

DAC SERVO

Dialog Semiconductor (UK)...

1. A switching converter, comprising:a Digital-to-Analog Converter (DAC) configured to supply a DAC voltage to said switching converter;
a servo block connected to receive a feedback voltage and configured to modify said DAC voltage for one or more modes of operation, wherein said servo block is configured independently of switching modes of said switching converter, and wherein said servo block further comprises a first GM stage driving a capacitor and a second GM stage driving a resistor, wherein said second GM stage is a PMOS transistor, and an output of said first GM stage is connected to a gate of said second GM stage;
control loops configured to receive an output of said servo block, and said feedback voltage;
switching logic configured to receive the output signals of said control loops; and
an output stage, driven by said switching logic, configured to supply the output voltage of said switching converter.

US Pat. No. 10,116,209

SYSTEM AND METHOD FOR STARTING A SWITCHED-MODE POWER SUPPLY

INFINEON TECHNOLOGIES AG,...

1. A method of operating a switched-mode power supply (SMPS), the method comprising:starting up the SMPS in an open loop mode of operation comprising
determining a rate of increase of a duty cycle of a pulse width modulated (PWM) signal over a plurality of cycles based on an input voltage and a switching frequency of the SMPS,
generating the PWM signal having the duty cycle in accordance with the determined rate of increase until an exit condition is reached, and
generating an initial closed loop duty cycle value when the exit condition is reached; and
transitioning operation of the SMPS from the starting up to a closed loop mode of operation, transitioning comprising initializing a dynamic controller with the initial closed loop duty cycle value.

US Pat. No. 10,116,208

DC-DC CONVERTER WITH IMPROVED ENERGY MANAGEMENT, METHOD FOR OPERATING THE DC-DC CONVERTER, ENVIRONMENTAL ENERGY HARVESTING SYSTEM USING THE DC-DC CONVERTER, AND APPARATUS USING THE ENERGY HARVESTING SYSTEM

STMicroelectronics S.r.l....

1. A method for operating a converter including an inductor receiving an input supply voltage and supplying an electrical load with an output supply voltage, the method comprising:charging the inductor by storing electrical charge until a maximum pre-set current value is reached, during a first operating condition in which said electrical load is not supplied;
actively supplying said electrical load by the electrical charge stored in the inductor during a first time interval of a second operating condition by actuating a charge transfer switch coupled to said electrical load and partially discharging the inductor through the charge transfer switch until an intermediate value of residual charge stored in the inductor is reached; and
passively supplying said electrical load by said residual charge stored in the inductor during a second time interval, subsequent to the first time interval, of the second operating condition by deactuating said charge transfer switch and discharging the inductor through a charge transfer diode coupled to said electrical load;
wherein the converter further comprises a first adaptive control circuit including a first electrical-charge-storage device and a first signal comparator and a second adaptive control circuit including a second electrical-charge-storage device and a second signal comparator, the method further comprising:
charging the first electrical-charge-storage device, during the first operating condition, with a first charging current having a magnitude that is proportional to the input supply voltage;
generating, by the first signal comparator, a first control signal to cause termination of said charging the inductor when the charge stored in the first electrical-charge-storage device reaches a first predefined threshold;
charging the second electrical-charge-storage device, during the second operating condition, with a second charging current having a magnitude that is proportional to the output supply voltage;
generating, by the second signal comparator, a second control signal to cause termination of said actively supplying said electrical load when the charge stored in the second electrical-charge-storage device reaches a second predefined threshold,
wherein said first predefined threshold indicates a maximum value that the electrical charge stored in said inductor may assume during the first operating condition and the second predefined threshold indicates the intermediate value that the electrical charge stored in said inductor may assume during the second operating condition.

US Pat. No. 10,116,207

HYSTERETIC CONTROLLER WITH FIXED-FREQUENCY CONTINUOUS CONDUCTION MODE OPERATION

DIALOG SEMICONDUCTOR (UK)...

1. A switching power converter, comprising:a hysteresis comparator configured to respond to an error current signal to produce a comparator output signal;
a pulse generator configured to generate a set pulse signal that is pulsed at a fixed frequency and configured to generate a reset pulse signal that is pulsed at the fixed frequency;
a first logic gate configured to process the comparator output signal with the set pulse signal to generate a latch set signal;
an inverter for inverting the comparator output signal to form an inverted comparator output signal;
a second logic gate configured to process the inverted comparator output signal with the reset pulse signal to generate a latch reset signal;
an operational transconductance amplifier configured to amplify a difference between an output voltage for the switching power converter and a reference voltage to generate the error current signal;
a clock source for clocking the pulse generator with a clock signal, wherein the clock signal has a switching frequency equal to twice the fixed frequency;
a power switch; and
a latch configured to close the power switch in response to an assertion of the latch set signal and configured to open the power switch in response to an assertion of the latch reset signal.

US Pat. No. 10,116,206

LOOP COMPENSATION CIRCUIT AND SWITCHING POWER SUPPLY CIRCUIT

Shenzhen China Star Optoe...

6. A switching power supply circuit, wherein the switching power supply circuit comprises a voltage generation circuit and a loop compensation circuit, and the loop compensation circuit comprises a voltage detection circuit, a control chip and a RC circuit, wherein:the voltage detection circuit is coupled to the voltage generation circuit, and employed to detect a variation of an output voltage of the voltage generation circuit;
the control chip is respectively coupled to the voltage detection circuit and the RC circuit, and employed to detect a response speed of the loop compensation circuit and to adjust a parameter of the RC circuit according to the response speed of the loop compensation circuit and the variation of the output voltage of the voltage generation circuit for adjusting the response speed of the loop compensation circuit;
wherein the RC circuit comprises a resistance circuit, a capacitance circuit and a switching circuit, wherein the switching circuit is respectively coupled to the control chip, the resistance circuit and the capacitance circuit, and employed to be on or off according to a control signal outputted by the control chip to adjust a resistance value of the resistance circuit and a capacitance value of the capacitance circuit;
wherein the resistance circuit comprises at least two resistances, and the capacitance circuit comprises at least two capacitances, and the switching circuit comprises at least two switching transistors;
at least one resistance in the at least two resistances is coupled to at least one switching transistor in the switching circuit in series or in parallel; at least one capacitance in the at least two capacitances is coupled to at least one switching transistor in the switching circuit in series or in parallel;
wherein the control chip comprises a control circuit and a PWM output circuit, wherein the control circuit is coupled to the voltage detection circuit, the RC circuit and the PWM output circuit, and employed to detect the response speed of the loop compensation circuit, and to control a Pulse Width Modulation PWM signal outputted by the PWM output circuit according to response speed of the loop compensation circuit and a variation of the output voltage;
the PWM output circuit comprises at least two PWM output ends, and the at least two PWM output ends are coupled to the at least two switching transistors, and employed to respectively output PWM signals to the at least two switching transistors for controlling the at least two switching transistors to be on or off; and
wherein the resistance circuit comprises a first resistance, a second resistance and a third resistance, and the switching circuit comprises a first switching transistor and a second switching transistor, wherein:
the first resistance and the first switching transistor are connected in parallel and are coupled between the control circuit and one end of the second resistance in series;
the third resistance and the second switching transistor are coupled between the control circuit and the other end of the second resistance in series;
the first switching transistor and a second switching transistor are respectively coupled to the at least two PWM output ends.

US Pat. No. 10,116,203

TRANSFORMER INCLUDING A CURRENT INDUCTION DEVICE HAVING AN AMPLIFIER CIRCUIT

1. A transformer comprising:a first transformer;
a second transformer;
a current induction device; and
an amplifier circuit, wherein the current induction device is provided in a load line of the first transformer for detecting an induction current in the load line of the first transformer; wherein an induction output end of the current induction device is connected to a control winding; and the control winding is provided in a winding of the second transformer for generating an induction voltage in the winding of the second transformer so as to supplement the output power of the first transformer;
wherein the amplifier circuit is provided in an induction output line of the current induction device, wherein the amplifier circuit protects a first amplifier circuit and a second amplifier circuit, the first amplifier circuit having a first amplification coefficient value and the second amplifier circuit having a second amplification coefficient value;
wherein a primary coil of the first transformer is connected to a primary coil of the second transformer in series and a secondary coil of the first transformer is connected to a secondary coil of the second transformer in series; and
wherein a three-terminal synchronization rectifier is provided in the induction output line of the current induction device.

US Pat. No. 10,116,201

HIGH POWER DENSITY INVERTER (I)

1. A single phase, non-insulated, miniaturized DC/AC power inverter (1) having an output power density higher than 3000 W/dm3, comprising:a DC input having a positive terminal (L+) and a negative terminal (L?);
an AC output having a line terminal (L) and a neutral terminal (N);
at least a H full bridge switch topology made of a first half-bridge (201) having a first switch (S1_H) in series with a second switch (S1_L), and of a second half-bridge (202) having a third switch (S2_H) in series with a fourth switch (S2_L), said first switch (S1_H) being connected at one end to the positive terminal (L+) of the DC input, said second switch (S1_L) being connected at one end to the negative terminal (L?) of the DC input, the other end of the first switch (S1_H) being connected to the other end of the second switch (S1_L), defining a first common end, said first common end being connected to the line terminal (L) of the AC output, said third switch (S2_H) being connected at one end to the positive terminal (L+) of the DC input, said fourth switch (S2_L) being connected at one end to the negative terminal (L?) of the DC input, the other end of the third switch (S2_H) being connected to the other end of the fourth switch (S2_L), defining a second common end, said second common end being connected to the neutral terminal (N) of the AC output,
at least one common mode noise EMI filter (100) connected between the first and the second common ends of the half-bridges and the terminals of the AC output,
at least one differential mode noise EMI filter (101) connected between the first and the second common ends of the half-bridges and the terminals of the AC output;
said common mode noise filter (100) having at least two “Y”-capacitors and two coupled inductors and said differential mode noise filter (101) having at least one “X”-capacitor;
wherein said first (S1_H), second (S1_L), third (S2_H) and fourth (S2_L) switches are made of wide-band semiconductors;
wherein said DC/AC power inverter (1) further comprises:
a ripple-compensating active filter comprising a third half-bridge (203) having a fifth switch (S3_H) in series with a sixth switch (S3_L), said fifth switch (S3_H) being connected at one end to the positive terminal (L+) of the DC input, said sixth switch (S3_L) being connected at one end to the negative terminal (L?) of the DC input, the other end of the fifth switch (S3_H) being connected to the other end of the sixth switch (S3_L), defining a third common end, said third common end being connected to a first end of a LC filter, made of at least one inductor (L6) and one storage capacitor (C5), a second end of the LC filter being connected to the negative terminal (L?);
modulation control means of said first (S1_H), second (S1_L), third (S2_H), fourth (S2_L), fifth (S3_H) and sixth (S3_L) switches for providing a switch frequency comprised between 20 and 500 kHz and allowing variable phase shifts between any two of said first (201), second (202) and third (203) half-bridges and allowing dead time modulation of the switches of said half-bridges (201, 202, 203),
so that to obtain a switching approaching ZVS switching, in particular to obtain switching when current crosses through zero and further to cancel switching losses and so that to allow high peak-to-peak voltage variations in the active filter, while storing corresponding energy in the storage capacitors (C5),
wherein the Y-capacitors of said common mode noise filter (100) are referenced to a shielding being at a reference potential, said shielding being insulated from earth, said Y-capacitors having a value comprised between 100 nF and several ?F.

US Pat. No. 10,116,200

DC/DC CONVERTER DEVICE

Mitsubishi Electric Corpo...

1. A DC/DC converter device, comprising:a DC/DC converter including a power conversion unit configured to step up or step down an input voltage supplied from a DC power source to output an output voltage, and a reactor connected between the power conversion unit and the DC power source; and
a control unit configured to generate an output voltage target value in accordance with an output voltage command value to control the power conversion unit such that the output voltage follows the output voltage target value,
wherein the control unit includes a rate-of-change limiting value setting unit configured to set a rate-of-change limiting value for the output voltage target value, and is configured to limit the output voltage command value by using the rate-of-change limiting value, to thereby generate the output voltage target value, and
wherein the rate-of-change limiting value setting unit is configured to obtain an index value for quantitatively evaluating an amount of fluctuation in the input voltage supplied to the DC/DC converter, to thereby change a setting of the rate-of-change limiting value in such a direction as to narrow a rate-of-change limiting range when the index value is within a predetermined specific range.

US Pat. No. 10,116,199

APPARATUS AND METHOD FOR LINEARIZATION OF THE CONTROL INPUTS FOR A DUAL OUTPUT RESONANT CONVERTER

NXP B.V., Eindhoven (NL)...

1. A power converter comprising:a dual output resonant converter including a first output, a second output, a common mode control input, and a differential mode control input, wherein a voltage/current at the first output and a voltage/current at the second output are controlled in response to a common mode control signal received at the common mode control input and a differential mode control signal received at the differential mode control input; and
a dual output controller including a first error signal input, a second error signal input, a delta power signal input, a common mode control output, and a differential mode control output, wherein the dual output controller is configured to generate the common mode control signal and the differential mode control signal in response to a first error signal received at the first error signal input and a second error signal received at the second error signal input, wherein the first error signal is a function of the voltage/current at the first output and the second error signal is a function of the voltage/current at the second output, and wherein the common mode control signal is output from the common mode control output and the differential mode control signal is output from the differential mode control output,
wherein the common mode control signal is generated using a feedback loop that uses a desired delta power signal based upon the first error signal and the second error signal and a delta power signal that is a function of the difference in output power at the first output and the second output.

US Pat. No. 10,116,198

SWITCHING SYSTEM

RENESAS ELECTRONICS CORPO...

1. A switching system comprising:a first PWM timing generation circuit generating an edge timing of a first PWM (Pulse Width Modulation) signal by using a first count value and a first comparison value supplied;
a second PWM timing generation circuit generating an edge timing of a second PWM signal by using a second count value and a second comparison value supplied, the second count value being a count value which is the same as the first count value or having a relation of the same frequency or integral multiple of frequencies of the first count value and whose timing at which the count value becomes the maximum value or minimum value is synchronized with that of the first count value;
a first switching circuit including a switching transistor driven by the first PWM signal and a shunt resistor detecting current flowing in the switching transistor;
a second switching circuit including a switching transistor driven by the second PWM signal and a shunt resistor detecting current flowing in the switching transistor in the second switching circuit;
a first AD conversion circuit converting an analog value detected by the shunt resistor in the first switching circuit to a digital value at a first AD conversion timing as a sampling timing;
a first AD conversion timing generation circuit generating the first AD conversion timing on the basis of an edge timing of the first PWM signal;
a second AD conversion circuit converting an analog value detected by the shunt resistor in the second switching circuit to a digital value at a second AD conversion timing as a sampling timing; and
a second AD conversion timing generation circuit generating the second AD conversion timing on the basis of an edge timing of the second PWM signal,
wherein one of the first and second switching circuits is an inverter circuit of a common shunt type in which the shunt resistor is provided commonly for a plurality of phases, and
wherein the first PWM timing generation circuit verifies an interval between an edge timing of the first PWM signal and the second AD conversion timing or an interval between the first AD conversion timing and an edge timing of the second PWM signal and, when the interval is less than a first reference value, shifts the edge timing of the first PWM signal so that the interval becomes equal to or larger than the first reference value.

US Pat. No. 10,116,197

TRANSFORMER WITHOUT MAGNETIC COUPLING, ELECTROMAGNETIC INDUCTION OR MUTUAL INDUCTANCE

Sumitomo Electric Industr...

1. A transformer provided between a power supply and a load, and composed of a front stage circuit and a rear stage circuit, the transformer comprising:the front stage circuit comprising,
a switch series unit composed of a plurality of switches, as many as a multiple of 2, connected in series with each other, the plurality of switches including odd-numbered switches and even-numbered switches as seen from one of both ends of the switch series unit, the odd-numbered switches and the even-numbered switches being configured to be alternately turned ON, the switch series unit as a whole being connected in parallel to the power supply,
under a condition that mutual connection points of the respective switches and points at the both ends of the switch series unit are nodes, a number of nodes being m in total, one of the points at the both ends is a ground node, capacitors provided on at least one electrical path of a first electrical path and a second electrical path, the first electrical path being configured to combine odd-numbered nodes and lead the odd-numbered nodes to a first output port, the second electrical path being configured to combine even-numbered nodes and lead the even-numbered nodes to a second output port, the capacitors being provided correspond to at least (m ?1) nodes excluding the ground node, and
a ground electrical path being configured to connect the ground node directly to the first output port without an interposed capacitor;
the rear stage circuit comprising:
an element series unit composed of a pair of semiconductor elements that are connected in series to each other and perform conducting operations of mutually opposite polarities, one of both ends of the element series unit being connected to the first output port and to a grounded end of the load while the other end of the element series unit being connected to the second output port, and
inductors provided on a third electrical path and a fourth electrical path, respectively, the third electrical path being configured to lead a non-grounded end of the element series unit to the grounded end of the load, the fourth electrical path being configured to lead a mutual connection point of the pair of semiconductor elements to a non-grounded end of the load; and
a control section configured to control ON/OFF operations of the switches.

US Pat. No. 10,116,196

PARALLEL ELASTIC MECHANISM FOR ROBOT-ENVIRONMENT FORCE INTERACTION

DISNEY ENTERPRISES, INC.,...

1. An apparatus for producing relative motion between a supported load and its environment, comprising:a direct drive motor directly coupled to the supported load and the environment operable to provide translational motion between the support load and the environment;
an elastic element directly coupled to the supported load and the environment; and
a prismatic guide assembly first supporting the direct drive motor to constrain the translational motion and second supporting the elastic element to constrain compression and expansion of the elastic element to be parallel to the translational motion,
wherein the direct drive motor comprises a translational voice coil motor,
wherein the prismatic guide assembly comprises:
a coil support supporting a coil element of the voice coil motor;
a body support spaced apart from the coil support and supporting a body of the voice coil motor; and
a translational bearing assembly constraining relative movement between the coil and body supports to be parallel to the drive axis,
wherein the translational bearing assembly comprises first and second guide shafts extending between the coil support and the body support and positioned on opposite sides of the voice coil motor,
wherein the elastic element comprises a compression spring coiled about exterior surfaces of one of the first and second guide shafts, and
wherein the elastic element further comprises an additional compression spring coiled about exterior surfaces of another one of the first and second guide shafts.

US Pat. No. 10,116,194

VIBRATION MOTOR

AAC TECHNOLOGIES PTE. LTD...

1. A vibration motor including:a housing;
a vibration module including a main magnet and a central shaft extending along a vibration direction and passing through a center of the main magnet;
a fixing module located in the housing and including a first coil and a second coil spaced from the main magnet;
an elastic connecting part suspending the vibration module in the housing;
a sensor for detecting a displacement of the vibration module along a direction perpendicular to the central shaft; wherein
the first coil and the second coil are such arranged that a geometric center of one of the first coil and the second coil deviates from the central shaft, a geometric center of the other of the first coil and the second coil deviates from the central shaft, and the two geometric centers locate at two opposed sides of the central shaft.

US Pat. No. 10,116,193

INTERIOR PERMANENT MAGNET ROTOR AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME

JTEKT CORPORATION, Osaka...

1. An interior permanent magnet rotor, comprising:a cylindrical rotor core having an axial hole; and
a resin magnet that is formed to fill the axial hole by injection molding and that has a pair of axial end faces, wherein
the resin magnet includes a pair of linear portions and a bottom portion, each of the pair of linear portions having a linear shape in a cross section perpendicular to an axial direction of the rotor core, each of the pair of linear portions having, in the cross section, a first end and a second end, the second ends being located closer to an outer periphery of the rotor core than the first ends, and the bottom portion connecting the first ends of the pair of linear portions, and
gate marks are located on the second ends of the pair of linear portions on at least one of the axial end faces of the resin magnet.

US Pat. No. 10,116,192

DEVICE FOR PRODUCING A ROTATIONAL POSITION SIGNAL AND A METHOD FOR PRODUCING ROTATIONAL POSITION SIGNALS

DANFOSS MOBILE ELECTRIFIC...

1. A device for producing a position signal indicative of rotational position of a variable reluctance resolver, the device comprising:a signal transfer interface for receiving a first alternative signal and a second alternative signal, amplitudes of the first and second alternative signals being dependent on the rotational position of the variable reluctance resolver so that envelopes of the first and second alternative signals have a mutual phase shift,
a processing system for generating the position signal at least partly on the basis of the amplitudes of the first and second alternative signals and a polarity of an excitation signal of the variable reluctance resolver, and
a signal generator,
wherein:
the device is configurable to operate in a first operational mode where a1) the signal generator is configured to generate the excitation signal, b1) the signal transfer interface is configured to transmit the excitation signal to the variable reluctance resolver, and c1) the signal transfer interface is configured to transmit information indicative of the polarity of the excitation signal to one or more other devices, and
the device is configurable to operate in a second operational mode a2) where the signal transfer interface is configured to receive the information indicative of the polarity of the excitation signal from one of the other devices and b2) where the received information indicative of the polarity of the excitation signal is independent of operation of the signal generator of the device.

US Pat. No. 10,116,191

ELECTRIC MOTOR HAVING A PROTECTION STRUCTURE FOR ELECTRONIC COMPONENTS

JOHNSON ELECTRIC S.A., M...

1. An electric motor comprising: a stator, a rotor rotatably disposed inside the stator and having a shaft, an end cap assembly fitted to an axial end of the stator, the stator having at least one piece of permanent magnet, and the end cap assembly comprising: a cover having a hole, a circuit board disposed between the at least one piece of permanent magnet and the cover, and at least one electronic element mounted on the circuit board, wherein the shaft extends through the hole in the cover, and the cover and the shaft are made of a conductive material, and wherein an air gap is formed between the hole and the shaft, both sides of the air gap respectively extend to an inner peripheral surface of the hole in the cover and an outer peripheral surface of the shaft, and a width of the air gap is not larger than 0.25 mm, wherein the air gap is small enough for high voltage static electricity to be conducted between the cover and the air gap.

US Pat. No. 10,116,190

ROTARY POSITIONING SYSTEM

Systemantics India PVT. L...

1. A rotary positioning system configured to provide absolute positional referencing, the rotary positioning system comprising:an encoder mounted on a motor shaft of a motor and configured to generate an index pulse corresponding to a complete rotation of the motor shaft;
a speed reducer coupled to the motor shaft and configured to reduce a rotary motion of the motor by a pre-defined ratio;
an output drive shaft coupled to the speed reducer and configured to transfer the reduced rotary motion to a load;
a sensor mounted on the output drive shaft of the speed reducer and configured to determine an absolute rotational orientation of the output drive shaft; and
a controller coupled to the sensor and configured to generate a correlation function of the absolute rotational orientation and an index pulse count, the index pulse count being a count of the generated index pulses, wherein
the correlation function provides the absolute positional referencing of the motor shaft based on the pre-defined ratio of the speed reducer, and
the sensor is configured to perform a one-time calibration by referencing the absolute rotational orientation from the sensor to the occurrence of the index pulses.

US Pat. No. 10,116,189

ROTATING ELECTRICAL MACHINE EQUIPPED WITH ROTOR WITH OIL CONTAINERS

DENSO CORPORATION, Kariy...

1. A rotating electrical machine comprising:a housing:
a stator comprising a stator core, the stator core comprising a coil end, the stator being fixed to the housing, the coil end of the stator core protruding toward an end surface of the stator; and
a rotor comprising a rotor core, a rotor shaft and a pair of rotor side plates, both end surfaces of the rotor core being arranged between the rotor side plates, the rotor shaft of the rotor being rotatably supported by the housing, the rotor core comprising core sheets stacked in a direction of a rotary axis of the rotor shaft, the rotor core being arranged to have a specified gap between the end surfaces of the rotor core and the stator so as to rotate the rotor core around the stator while keeping the specific gap,
wherein one or more oil containers are arranged on at least one surface of each of the rotor side plates, each of the oil containers comprises a scoop-up part and an exhaust outlet formed at end sections of the oil container,
when the rotor is rotating, the scoop-up part of each of the oil containers scoops up an oil stored in the housing, inside air in the oil container are compressed, and the exhaust outlet of the oil container exhausts the oil and the compressed air together, and
the oil is stored in a lowermost side of the housing so that the scoop-up part and the exhaust outlet in each of the oil containers are immersed and the scoop-up part of each of the oil containers scoops up the oil in the lowermost side of the housing when the rotor is rotating, and
the scoop-up part in each of the oil containers has a U shape formed at a corner of the oil container so that an upper surface, a short side surface and a long side surface at the corner of the oil container are connected together.

US Pat. No. 10,116,188

FAN DIRECTING ELEMENT FOR AN ELECTRIC MACHINE

Siemens Aktiengesellschaf...

1. An electric machine comprising:a stator,
a rotor, which is arranged on an axis of rotation,
a first fan, which extends on a portion of the axis of rotation in a radial direction and delivers a coolant flow into the electric machine during operation, and
a fan directing element which cooperates with the first fan and deflects at least one proportion of the coolant flow,
wherein the fan directing element projects radially inward behind blades of the first fan, and
wherein the fan directing element is adjustable, such that the at least one proportion of the coolant flow can be varied,
the electric machine further comprising:
a second fan, which extends on a portion of the axis of rotation in the radial direction and delivers a second coolant flow into the electric machine during operation, and
a second fan directing element which cooperates with the second fan and deflects at least one proportion of the second coolant flow.

US Pat. No. 10,116,187

THIN-PROFILE COUNTER-ROTATING DIFFERENTIAL ELECTRIC MOTOR ASSEMBLY

CR FLIGHT LLC, Sacrament...

1. A dual propeller counter-rotating (CR) differential electric motor assembly; comprising:a. a central shaft having first and second ends;
b. a first rotational member, located proximate said first end of said central shaft, that rotates in a first direction about said central shaft;
c. a first propeller secured to said first rotational member;
d. a second rotational member, located between said first rotational member and said second end of said central shaft, that rotates in an opposite direction to said first rotational member's rotational direction and about said central shaft;
e. a second propeller secured to said second rotational member;
f. electro-magnetic means associated with said first and second rotational members for powering said rotation of said first and second rotational members in opposite directions about said central shaft;
g. means for transmitting electricity from an exterior power source to said electro-magnetic means, wherein said electricity transmitting means is located between said second rotational member and said second end of said central shaft; and
h. means for mounting said oppositely rotating first and second rotational members and said central shaft to a supporting structure, wherein said mounting means is associated with said central shaft and located after said electricity transmitting means and proximate second end of said central shaft.

US Pat. No. 10,116,186

BRUSHLESS WIPER MOTOR

Mitsuba Corporation, Kir...

1. A brushless wiper motor which drives and swings a wiper member, comprising:a motor case in which a stationary portion is fixed, the motor case having a bottom portion, a side wall portion, an opening, and a flange portion formed so as to extend from the opening, the motor case being formed of a plate material into a bottomed cylindrical shape by deep-drawing process, the stationary portion having an outer circumferential portion which is in contact with an inner periphery of the motor case;
a rotary portion rotatably provided in the stationary portion;
a gear mechanism which transmits rotation of the rotary portion to the wiper member; and
a gear case in which the gear mechanism is accommodated, the flange portion abutting on the gear case and being fixed to the gear case, wherein
the side wall portion has a small diameter portion and a large diameter portion which is different in outer diameter from the small diameter portion, the small diameter portion being disposed on the same side as the bottom portion of the motor case in an axial direction of the motor case, the large diameter portion being disposed on the same side as the opening of the motor case in the axial direction of the motor case,
a step portion is formed between the small diameter portion and the large diameter portion, one end of the stationary portion in an axial direction thereof abutting on the step portion, a concave convex portion being provided to at least one of an inner circumferential surface and an outer circumferential surface of at least the large diameter portion, thereby increasing a surface area of the motor case,
the motor case and the gear case are made of aluminium.

US Pat. No. 10,116,185

MOTOR

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

1. A motor comprising: a rotation shaft; a rotor part encompassing the rotation shaft; a stator part arranged to be spaced apart from the rotor part; and a housing configured to fix the stator part;circuit board having an inverter circuit mounted thereon;
wherein the housing comprises a first housing arranged on one side of the stator part and a second housing arranged on an opposite side of the stator part, wherein the printed circuit board is arranged outside a bottom surface of the second housing,
wherein a plurality of first projection units is formed at an inner surface of the bottom surface of the second housing, and wherein a plurality of first holes is formed on the bottom surface and a lateral surface of the second housing;
further comprising a plurality of second projection units formed at an inner surface of lateral surface of the second housing, wherein the plurality of second projection units formed at the lateral surface is formed not to overlap the plurality of first projection units formed at the bottom surface.

US Pat. No. 10,116,184

ROBOT HAVING ISOLATED STATOR AND ENCODER

Persimmon Technologies Co...

1. An apparatus comprising:a housing;
a motor comprising a stator and a rotor, where the stator is connected to the housing;
an environment barrier extending between the stator and the rotor; and
a sealing system connecting the environment barrier with the housing, where the sealing system comprises a first seal interface and a second seal interface, where the first seal interface connects to the housing at a first diameter which is at least partially less than or equal to an inner diameter of the stator, and where the second seal interface connects to the housing at a second diameter which is at least partially greater than or equal to an outer diameter of the stator.

US Pat. No. 10,116,183

PUMP ASSEMBLY WITH A TERMINAL BOX HAVING A METALLIC CONTACT COLLECTING CONDENSATION WITH A DRAIN CHANNEL

1. A pump assembly comprising:an electric drive motor;
a terminal box arranged on the electric drive motor, the terminal box comprising electric and electronic components for controlling the electric drive motor, wherein the electric drive motor is a wet-running electric motor;
at least one metallic component extending from the electric drive motor into an inside of the terminal box;
at least one of a stator housing and a can of the electrical drive motor, wherein the metallic element is connected to the stator housing or to the can of the electrical drive motor, the at least one metallic component being electrically conductively connected to at least the stator housing; and
a capture device for capturing condensation water collecting on the metallic component, the capture device being arranged in a proximity of the metallic component, in the inside of the terminal box, the capture device being arranged below the at least one metallic component, the capture device comprising a collection space, the collection space being open to the top, wherein moisture from the at least one metallic component drops in a downward direction through the opening into the collection space, wherein the moisture is collected in the collection space.

US Pat. No. 10,116,182

ELECTRIC MOTOR STORING DEVICE FOR HYBRID VEHICLE

TOYOTA JIDOSHA KABUSHIKI ...

1. An electric motor storing device for a hybrid vehicle, the hybrid vehicle includingan electric motor, the electric motor including a rotor shaft and an inner circumferential side rotational shaft disposed on an inner circumferential side of the rotor shaft in a manner to penetrate the rotor shaft, and
a case configured to store the electric motor, the electric motor storing device comprising:
a support member configured to rotatably support the inner circumferential side rotational shaft and the rotor shaft, the support member being fixed to the case; and
an insulating section configured to electrically insulate between the support member and the case to which the support is fixed.

US Pat. No. 10,116,181

SLOT INSULATING PAPER

TOYOTA JIDOSHA KABUSHIKI ...

1. A slot insulating paper arranged in a slot of a core of an electric motor or generator, the slot insulating paper comprising:a plurality of insulating layers, the plurality of insulating layers having a same shape are laminated, and each insulating layer is connected to another insulating layer to constitute a single sheet, and
a breakage resistance portion that constitutes a region that is part of the slot insulating paper in a state where the slot insulating paper is spread flat, the breakage resistance portion having a higher resistance against breakage than a remaining region of the slot insulating paper,
wherein the slot insulating paper has a uniform thickness;
wherein in the breakage resistance portion, at least one layer includes a reinforced layer;
wherein the plurality of insulating layers includes at least an insulating layer that does not include a reinforced layer, wherein the at least one insulating layer that does not include the reinforced layer is a single sheet layer formed of a single sheet material,
the at least one insulating layer that includes the reinforced layer includes non-reinforced layer,
the at least one insulating layer is bonded to the single sheet layer by an adhesive agent, and
in the at least one insulating layer that includes the reinforced layer and the non-reinforced layer, the reinforced layer and the non-reinforced layer are not directly connected to each other.

US Pat. No. 10,116,180

ROTARY ELECTRIC MACHINE STATOR

TOYOTA JIDOSHA KABUSHIKI ...

1. A rotary electric machine stator comprising:a stator core that includes an annular stator yoke, and a plurality of teeth that protrude toward an inner peripheral side from the annular stator yoke;
at least one multi-layer winding coil that is wound around a rectangular cross-section of the teeth that is perpendicular to a radial direction of the teeth, the multi-layer winding coil being arranged with a predetermined number of steps in the radial direction of the teeth, each step of the multi-layer winding coil including a lowest layer coil of one winding and a surface layer coil of another winding;
a first insulating resin layer that is arranged between the teeth and the lowest layer coil, or between an insulator that is fixed to the teeth and the lowest layer coil; and
a second insulating resin layer that is arranged locally at curved portions of the multi-layer winding coil that correspond to corner portions of four corners of the rectangular cross-section of the teeth, the second insulating resin layer being arranged extending across a plurality of steps of the multi-layer winding coil.

US Pat. No. 10,116,179

THREE-PHASE ALTERNATING CURRENT MOTOR

FANUC CORPORATION, Yaman...

1. A three-phase alternating current motor comprising:a rotor having a plurality of pairs of magnetic poles;
a stator having a plurality of slots each formed in the direction of a rotation axis of the rotor and arranged in a circumferential direction, the stator is disposed opposite the rotor in a radial direction; and
a plurality of windings wound in the stator so as to be inserted into the slots, wherein
when 2P represents the number of the poles of the rotor and N represents the number of the slots for inserting the windings of the stator therethrough, the division of the slot number N by the number of the pole pairs P is not an integer,
when X represents the quotient of the division of the slot number N of the stator by the number of the poles 2P, the stator includes:
a first annular winding portion made of one set of coils, i.e., wound a predetermined number of turns having a diameter larger than the inner diameter of the stator by the winding of each phase, the first annular winding portion is wound 360 degrees in the circumferential direction through the slots by wave winding at alternating slot pitches such that the first annular winding portion has at least two adjacent slot pitches corresponding to X and X+1, respectively;
a second annular winding portion made of another coil, i.e., wound in a like manner as the first annular winding portion by the wave winding at alternating slot pitches such that the second annular winding portion has at least two adjacent slot pitches corresponding to X and X+1, respectively,
the second annular winding portion is wound in the position not to coincide with the first annular winding portion; and
a plurality of third winding portions each made of the one or more wires distinct from the wires of the first annular winding portion and the second annular winding portion, the one or more wires of the third winding portions being wound around two of the slots, and
the first annular winding portion, the second annular winding portion, and the plurality of third winding portions are connected in series on a phase-by-phase basis.

US Pat. No. 10,116,178

ROTOR WITH EMBEDDED PERMANENT MAGNET HAVING ADHESIVE ON ONE SIDE AND COOLING CHANNELS ON THE OTHER SIDE

Mitsubishi Electric Corpo...

1. An embedded permanent magnet rotary electric machine comprising:a stator comprising:
an annular stator core; and
a stator coil that is mounted to said stator core; and
a rotor comprising:
a rotor core that is configured by laminating and integrating electromagnetic steel sheets, and that is fixed to a shaft so as to be disposed rotatably inside said stator core;
a plurality of permanent magnet housing apertures that are disposed circumferentially so as to be respectively formed so as to pass axially through an outer circumferential side of said rotor core; and
permanent magnets that are housed in each of said magnet housing apertures,
wherein:
at least one coolant flow channel is formed so as to pass axially through said rotor core radially inside said magnet housing apertures;
a linking flow channel is formed so as to have a flow channel width that is narrower than a maximum flow channel width of said coolant flow channel, so as to link said coolant flow channel and said magnet housing apertures, and so as to pass axially through said rotor core; and
said permanent magnets are fixed to an inner wall surface of said magnet housing apertures by an adhesive that is disposed only between a wall surface of said permanent magnets that is positioned on a radially inner side or a radially outer side of said permanent magnets and said inner wall surface of said magnet housing apertures so as to expose a region of a wall surface of said permanent magnets that is positioned on a radially inner side that faces said linking flow channel.

US Pat. No. 10,116,177

ROTOR FOR ROTARY ELECTRIC MACHINE

Mitsubishi Electric Corpo...

1. A rotor for a rotary electric machine, comprising:a shaft;
a rotor core through which the shaft passes, for rotating integrally with the shaft; and
a plurality of permanent magnets, each being extended in an axial direction of the rotor core and being fixed to the rotor core along a circumferential direction of the rotor core,
wherein the rotor core comprises:
a first core portion comprising a plurality of core pieces joined together through caulking portions, and a hollow first lightening portion separated away from the shaft in a radial direction of the rotor core; and
a second core portion comprising a plurality of core pieces joined together through caulking portions, and a press-fit portion held in close contact with the first core portion, into which the shaft is press-fitted,
wherein a radial width of a magnetic path of a ring-shaped outer circumferential portion formed by laminating the first core portion and the second core portion changes along the circumferential direction, and
wherein the shaft passing through a center axis line of the hollow first lightening portion of the first core portion is surrounded by a ring through a gap portion therebetween.

US Pat. No. 10,116,176

PERMANENT MAGNET EMBEDDED ELECTRIC MOTOR, COMPRESSOR AND REFRIGERATION AIR CONDITIONER

Mitsubishi Electric Corpo...

1. A permanent magnet embedded electric motor comprising:a stator;
a rotor disposed on an inner diameter side of the stator; and
permanent magnets inserted in a plurality of magnet insertion holes formed in a rotor iron core of the rotor,
wherein
the rotor iron core includes:
a plurality of first slits that are formed on an outer side of the magnet insertion hole, and communicate with the magnet insertion hole;
a plurality of second slits formed at positions opposed to and spaced apart from the first slits;
inter-slit iron core portions formed between the first slits and the second slits;
outer side iron core portions formed between the second slits and an outer circumferential surface of the rotor iron core;
space portions communicating with rotating direction end portions of the magnet insertion hole; and
thin iron core portions that are formed between the space portions and the outer circumferential surface of the rotor iron core, and extend in a rotating direction, and
the rotor iron core has a shape satisfying a relation of H1>H2, where H1 denotes a width of the first slit in a radial direction, and H2 denotes a width of the second slits in a radial direction.

US Pat. No. 10,116,175

ROTARY ELECTRIC MACHINE AND STATOR OF ROTARY ELECTRIC MACHINE

TOYOTA JIDOSHA KABUSHIKI ...

1. A stator of a rotary electric machine, the rotary electric machine comprising a rotor, the rotor comprising a plurality of magnetic poles, the stator comprising:a stator core defining an axial direction and a circumferential direction, the stator core comprising:
a plurality of stacked annular electromagnetic steel plates, each of the annular electromagnetic steel plates comprising a plurality of coupling portions such that the annular electromagnetic steel plates are coupled with one another by the coupling portions, the coupling portions arranged with equal pitches in the circumferential direction, each of the coupling portions arranged with a pitch of an integral multiple of a central angle, the central angle being defined as an angle between two circumferentially adjacent magnetic poles of the same polarity from among the magnetic poles relative to a rotational center of the rotor, and
a plurality of fixing portions projecting radially outward from an outer circumferential surface of the stator core, each of the fixing portions comprising a through-hole extending therethrough in the axial direction, the fixing portions arranged with equal pitches in the circumferential direction, a quantity of the coupling portions being an odd number, each of the fixing portions arranged with either the same pitch as the pitch of each of the coupling portions, or with a pitch corresponding to a divisor of the pitch of each of the coupling portions relative to the rotational center of the rotor; and
a coil wound around teeth of the stator core.

US Pat. No. 10,116,174

SYNCHRONOUS RELUCTANCE ELECTRIC MACHINE

GM Global Technology Oper...

1. A synchronous reluctance electric machine, comprising:a stator including a plurality of electrical windings;
a rotor disposed in a cylindrically-shaped void formed within the stator and including a plurality of steel laminations assembled onto a shaft,
wherein the shaft defines a longitudinal axis,
wherein each of the steel laminations includes a plurality of poles and wherein each of the poles includes a plurality of slots disposed near an outer periphery, and
wherein the slots of the steel laminations are longitudinally aligned; and
a plurality of packets assembled from anisotropic material and disposed in the slots, wherein each of the packets assembled from anisotropic material comprises a stack including a plurality of laminations fabricated from a grain-oriented steel material, wherein the grain-oriented steel material of the plurality of laminations are aligned along a common axis.

US Pat. No. 10,116,173

PARKING ASSISTANCE DEVICE AND PARKING ASSISTANCE METHOD

NISSAN MOTOR CO., LTD., ...

1. A parking assistance device used in a wireless power supply system which performs wireless power supply between a power transmitting coil on a ground side and a power receiving coil on a vehicle side, the parking assistance device comprising:three or more coils aligned in one direction in a plan view of the vehicle, the coils being configured to detect magnetic flux in a height direction of the vehicle which is generated by the power transmitting coil;
a vehicle controller configured to detect misalignment between the power transmitting coil and the power receiving coil in the one direction, based on a decrease in the magnetic flux in the height direction of the vehicle which is detected by the three or more coils; and
an output unit configured to notify a user of a result of the misalignment detection.

US Pat. No. 10,116,172

CHARGING DEVICE AND HAND-HELD DEVICE FOR A SMALL MOBILE ELECTRICAL DEVICE

TRISA HOLDING AG, Trieng...

1. A charging device for contactless transmission of energy for the energy supply of a cordless hand-held device, wherein the charging device comprises:an electronic circuit for feeding an inductive energy transmitter, the circuit being configured to adapt energy fed to the inductive energy transmitter, in accordance with energy taken from the inductive energy transmitter, the circuit comprising:
a primary winding for feeding a hand-held device, wherein the primary winding is part of an oscillation circuit;
a driver circuit for the pulsed feeding of energy into the oscillation circuit in accordance with a driver signal;
a current measuring circuit for producing a current measurement signal corresponding to a current flowing into the oscillation circuit; and
a control device which is configured to detect the current measurement signal and, in accordance with the current measurement signal, to generate the driver signal for the activation of the driver circuit, as a pulse-width modulated signal with a frequency corresponding to a resonance frequency of the oscillation circuit,
wherein the current measuring circuit comprises a measuring shunt and a rectifier circuit for rectifying a voltage occurring across the measuring shunt and for generating the current measurement signal, and the control device comprises a microprocessor or microcontroller comprising an analog input for determining the current measurement signal.

US Pat. No. 10,116,171

POWER RECEIVING APPARATUS AND METHOD FOR PREVENTING UNFAIR USE

TOSHIBA TEC KABUSHIKI KAI...

1. A power receiving apparatus comprised in an electronic device, comprising:a power receiving module configured to receive electric power supplied from a power supply apparatus in a non-contact manner;
a supply module configured to supply the electric power received by the power receiving module to a power load section of the electronic device;
an acquisition module configured to acquire identification information for identifying the power supply apparatus from the power supply apparatus;
a determination module configured to determine whether the identification information acquired by the acquisition module is coincident with present identification information;
a control module configured to suppress the electric power supplied to the power load section in response to a determination by the determination module that the identification information is not coincident with the preset identification information; and
a notification module configured to transmit notification information for notifying a predetermined external device of a probability of a theft in response to the determination by the determination module that the identification information is not coincident with the preset identification information.

US Pat. No. 10,116,170

METHODS AND SYSTEMS FOR MAXIMUM POWER POINT TRANSFER IN RECEIVERS

Energous Corporation, Sa...

1. A wireless power receiver comprising:a first rectifier coupled to a first antenna, and configured to rectify a first power received at the first antenna and generate a first rectified power;
a second rectifier coupled to a second antenna, and configured to rectify a second power received at the second antenna and generate a second rectified power;
a controller configured to transmit an operational instruction to an input boost converter to adjust the first rectified power in response to determining that the power extracted by the receiver is less than a global power maximum based upon the first rectified power and the second rectified power; and
an output boost converter configured to adjust the power provided to a load associated with the receiver,
wherein the controller is configured to:
determine load requirements for the load associated with the receiver; and
transmit one or more operational instructions to at least one of the input boost converter and the output boost converter based upon the load requirements for the load associated with the receiver.

US Pat. No. 10,116,169

WIRELESS POWER TRANSMITTER AND METHOD FOR CONTROLLING RESONANCE FREQUENCY USING THE SAME

Samsung Electro-Mechanics...

1. A wireless power transmitter, comprising:resonators electrically connected to each other; and
a resonance frequency varying unit configured to vary resonance frequencies of the resonators based on a change in an amount of power to be sent to a wireless power receiver from the wireless power transmitter,
wherein upon the amount of power to be sent to the wireless power receiver being an amount greater than or equal to a first threshold value, the resonance frequency varying unit is configured to increase the resonance frequencies of the resonators, and upon the amount of power to be sent to the wireless power receiver being an amount less than or equal to a second threshold value which is smaller than the first threshold value, the resonance frequency varying unit is configured to decrease the resonance frequencies of the resonators.

US Pat. No. 10,116,167

INDUCTIVE POWER TRANSMISSION DEVICE

1. A power transmission device for inductive energy transfer, wherein the power transmission device comprises:a first stage adapted to be connected to a supply input voltage and adapted to convert the supply input voltage to an operating voltage;
a second stage including a resonant circuit connected to the first stage and adapted to generate an oscillating voltage from the operating voltage so as to generate a magnetic field for inductive transfer of energy from the power transmission device to a target device;
a control circuit connected to the second stage, the control circuit being adapted to detect a parameter value of the second stage, the detected parameter indicating whether the target device is being recharged or not, and adapted to start or stop amplification of the resonant circuit based on the detected parameter value;
wherein the resonant circuit is composed by the parallel connection of a capacitor with a winding of a transfer coil and a magnetically coupled sensing coil, both coils being wound around a core and serving as primary coils for inductively transferring energy to the target device including a secondary coil, and
wherein the control circuit is configured to detect the parameter value of the sensing coil;
wherein the second stage further includes a switching element connected to the resonant circuit, the switching element being adapted to amplify the oscillations of the resonant circuit so as to start or stop amplification of the resonant circuit;
wherein the control circuit is adapted to detect an oscillation voltage value of the sensing coil of the resonant circuit and to switch the switching element in-phase with the oscillations of the resonant circuit so as to amplify the oscillation of the resonant circuit, the switching of the switching element being performed as zero-voltage switching amplification of the resonant circuit.

US Pat. No. 10,116,166

AUTONOMOUS APPARATUS AND SYSTEM COMPRISING SUCH AN APPARATUS

Phlox, Aix en Provence (...

1. Apparatus (40) comprising an inductor (14), a rectifier (16) coupled to the inductor, a load (13) coupled to the rectifier, and a control member (29) for controlling power supply to the load (13), the apparatus being characterized in that it further comprises:a DC voltage converter (19 to 22) coupled to the rectifier (16);
a battery (12) coupled to the voltage converter; and
measurement means (26) for measuring the output voltage of the rectifier (16);
a priming circuit (18) coupled to the rectifier and to the programmable control unit and presenting sufficient capacitance to be capable of powering the control unit temporarily in the absence of a DC voltage being delivered to the rectifier or by the battery;
the load (13) being coupled to the voltage converter, and the apparatus (40) further comprising a control unit (10) coupled to the voltage converter, connected to the control member (29) and to the voltage measurement means (26), and arranged to cause either the battery to be charged by the rectifier, or the load (13) to be powered by the rectifier, or the load (13) to be powered by the battery, as a function of the state of the control member (29) and of the output voltage of the rectifier (16).

US Pat. No. 10,116,165

POWERGRID OPERATION AND SUPERVISION SYSTEM

GENERAL ELECTRIC TECHNOLO...

1. A system for facilitating operation and monitoring of a power grid system comprising:a processor; and
a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising:
determining a measured operating condition by monitoring one or more portions of the power grid system;
generating an operation plan for planned outages, wherein the planned outages are determined to satisfy a defined criterion associated with an effect on system operation of the power grid system, wherein the operation plan is based on a predicted operating condition of the power grid system, wherein the predicted operating condition comprises a predicted operation limit for the one or more portions of the power grid system, and wherein the generating the operation plan comprises comparing the predicted operating limit for the one or more portions of the power grid system to the measured operating condition;
determining an action plan based on the operation plan, wherein the action plan comprises a set of tasks to be performed to accomplish the operation plan;
facilitating execution of switching management operations associated with the power grid system by transmitting instructions associated with the set of tasks to an energy management system and a distribution management system; and
maintaining a log record of the set of tasks, the instructions, and task completion times associated with the set of tasks.

US Pat. No. 10,116,164

FLEXIBLE CONTROL ARCHITECTURE FOR MICROGRID RESILIENCY

Siemens Aktiengesellschaf...

1. A control system for controlling an electrical power microgrid including loads and distributed energy resources, the control system comprising:a component control layer including component control devices connected directly to the loads and distributed energy resources;
a middle level control layer including aggregating control devices, each aggregating control device being connected to a respective plurality of the component control devices;
a microgrid control layer including one or more microgrid control devices connected to the aggregating control devices and further comprising a contingency metric computation module for computing a contingency metric indicating a level of operational threat based on characteristics of the electrical power microgrid and its environment;
the control system being configured to operate in a centralized mode when the contingency metric indicates substantially no operational threat, wherein the electrical power microgrid communicates with a main grid, instructions and set points for the loads and distributed energy resources are transmitted from the microgrid control layer to the middle level control layer and the component control layer, and the control system maintains a first level of real time reserve margin;
the control system being further configured to operate in a first intermediate mode when the contingency metric indicates a first intermediate operational threat, wherein the electrical power microgrid is operated partially in an island mode, the instructions and set points for the loads and distributed energy resources are transmitted from the microgrid control layer to the middle level control layer and the component control layer, and the control system maintains a second level of real time reserve margin, wherein the second level of real time reserve margin is lower than the first level of real time reserve margin;
the control system being further configured to operate in a second intermediate mode when the contingency metric indicates a second intermediate operational threat greater than the first intermediate operational threat, wherein the electrical power microgrid is operated in the island mode, the instructions and set points for the loads and distributed energy resources are transmitted from the middle level control layer to the component control layer without receiving instructions and set points from the microgrid control layer, and the control system maintains a minimum real time reserve margin;
the control system being further configured to operate in a decentralized mode when the contingency metric indicates a high operational threat, wherein the electrical power microgrid is operated in the island mode, the component control layer is operated without receiving instructions and set points from the middle level control layer or the microgrid control layer, and the control system maintains no real time reserve margin.

US Pat. No. 10,116,163

UNINTERRUPTIBLE POWER SUPPLY (UPS) DIRECT CURRENT (DC) LOAD LEVELING

GENERAL ELECTRIC COMPANY,...

1. A system comprising:an alternating current (AC)-direct current (DC) converter configured to convert power from an AC supply to a DC bus to provide a first portion of power to a medical imaging load;
an uninterruptible power supply (UPS) coupled to the DC bus, wherein the UPS comprises:
at least one battery cell; and
a DC-DC converter comprising one or more switches and coupled between the at least one battery cell and the DC bus; and
a control system comprising a processor configured to send one or more signals to control operation of the one or more switches to cause the DC-DC converter to control power discharged from the at least one battery cell to the DC bus to provide a second portion of power to the medical imaging load;
wherein the DC bus is directly coupled to the medical imaging load and is configured to provide the first and second portions of power to the medical imaging load as DC power.

US Pat. No. 10,116,162

NEAR FIELD TRANSMITTERS WITH HARMONIC FILTERS FOR WIRELESS POWER CHARGING

Energous Corporation, Sa...

1. A near-field transmitter comprising:a plurality of unit cells configured to radiate radio frequency (RF) energy signals, each unit cell in the plurality of unit cells including:
a metal layer having an interior perimeter that surrounds an aperture defined by the metal layer;
a patch antenna configured to radiate an RF energy signal having a plurality of different harmonic frequencies including a center frequency, wherein:
a perimeter of the patch antenna has a separation from the interior perimeter of the metal layer, and
a receiving electronic device includes at least one antenna that is tuned to receive an RF energy signal having the center frequency; and
a harmonic RF filter positioned on at least the patch antenna, the harmonic RF filter being configured to suppress radiation of any of the plurality of different harmonic frequencies, except for the center frequency, when the RF energy signal is radiated by the patch antenna and the RF energy signal interacts with the harmonic RF filter.

US Pat. No. 10,116,161

LINE RIPPLE COMPENSATION FOR SWITCHING POWER CONVERTERS

DIALOG SEMICONDUCTOR INC....

1. A controller for a switching power converter, comprising:a peak voltage compensation circuit configured to determine a peak voltage adjustment factor responsive to a function of a difference between a desired switching period for a power switch and an actual switching period for the power switch, a desired peak voltage, and the desired switching period; and
a constant voltage control circuit including an adder configured to add the desired peak voltage with the peak voltage adjustment factor to provide a compensated peak voltage, wherein the constant voltage control circuit is further configured to command the power switch to be cycled off in a current cycle of the power switch responsive to a sense voltage equaling the compensated peak voltage.

US Pat. No. 10,116,159

FAMILY OF ISOLATED BATTERY ENERGY STORAGE SYSTEM (BESS) WITH MULTIPLE FUNCTIONS FOR DC GRID APPLICATION

The Florida State Univers...

1. A battery energy storage system (BESS) for direct current (DC) grid applications, the BESS comprising:an alternating current (AC) transformer having a primary side and a secondary side;
at least one primary side arm coupled to the primary side of the AC transformer, the at least one primary side arm comprising a plurality of cascade connected voltage source converter sub-modules and each of the plurality of cascade connected voltage source converter sub-modules comprising one or more direct current (DC) energy storage units, each of the plurality of cascade connected voltage source converter sub-modules for converting a direct current (DC) voltage of the one or more DC energy storage units to an AC voltage and the at least one primary side arm for providing a sum of the AC voltages from each of the plurality of cascade connected voltage source converter sub-modules to the primary side of the AC transformer; and
at least one secondary side arm coupled between the secondary side of the AC transformer and a DC grid voltage bus, the at least one secondary side arm comprising a plurality of cascade connected voltage source converter sub-modules, wherein the at least one second side arm converts an AC voltage at the secondary side of the AC transformer to a DC voltage on the DC grid voltage bus.

US Pat. No. 10,116,158

POWER MANAGEMENT SYSTEM WITH SELECTIVE SOURCE DEPLETION

Cameron International Cor...

1. A power management system to manage energy sources for use with an energy-powered component, comprising:an energy source detector for each energy source, each energy source detector to measure a state-of-charge of each of the energy sources and to determine the energy source with the lowest state-of-charge;
a controller to designate the energy source with the lowest state-of-charge as a primary energy source and any other energy source as a secondary energy source, the controller to measure an amount of power required by the energy-powered component and determine if the amount of power required by the energy-powered component is above an amount of power available from the primary energy source; and
an energy source selector to selectively enable the primary energy source to provide power to the energy-powered component, or both the primary energy source and the secondary energy source to provide power to the energy-powered component if power required by the energy-powered component is above the amount of power available from the primary energy source.

US Pat. No. 10,116,157

METHOD AND DEVICE FOR CHARGING BATTERIES IN MOBILE DEVICES

Xiaomi Inc., Beijing (CN...

1. A method for power charging, comprising:establishing an electrical connection between a first electronic device and a second electronic device;
acquiring, by the second electronic device via the electrical connection, real-time charging voltage information of a battery in the first electronic device, wherein the real-time charging voltage information varies with a charge state of the battery in the first electronic device; and
controlling by the second electronic device, during charging of the battery in the first electronic device by the second electronic device, an output voltage of the second electronic device to charge the battery of the first electronic device according to the real-time charging voltage information,
wherein the real-time charging voltage information for the first electronic device is a real-time internal resistance of the battery in the first electronic device multiplied by a preset current value when the charge state indicates that a present voltage of the battery is smaller than a preset voltage value, wherein an effective internal resistance of the battery varies with the charge state of the battery in the first electronic device; and
the real-time charging voltage information of the battery in the first electronic device is the preset voltage value when the charge state indicates that the present voltage of the battery in the first electronic device is equal to or greater than the preset voltage value.

US Pat. No. 10,116,156

HYBRID BATTERY

SHENZHEN CARKU TECHNOLOGY...

1. A hybrid battery comprising:a first energy storage device (1) for providing a low-current power supply,
a second energy storage device (2) for providing an instantaneous starting current power supply, and
a detection control circuit (5) coupled in parallel with the first energy storage device (1), wherein the detection control circuit (5) detects an output current flowing through the first energy storage device (1),
wherein the detection control circuit (5) is configured to control the first and second energy storage devices to supply power to an automobile according to the output current detected, and wherein when the output current detected is a low current, power is supplied to the automobile by the first energy storage device, and when the output current detected is a high current, power is supplied to the automobile by the second energy storage device, thereby preventing the first energy storage device from being harmed;
wherein negative terminals of the first energy storage device (1) and the second energy storage device (2) are coupled to a negative pole (10), a positive terminal of the first energy storage device (1) is coupled to a first fixed contact (7) of a relay (6), a positive terminal of the second energy storage device (2) is coupled to a second fixed contact (8) of the relay (6), the detection control circuit (5) is coupled to a coil of the relay (6), an input terminal of the relay (6) is coupled to a positive pole (9), and the positive pole (9) and negative pole (10) are coupled to a positive electrode and a negative electrode of an electric load of the automobile, respectively;
wherein the detection control circuit (5) operates in the following manner,
when the output current is a low current, under the control of the detection control circuit, a movable contact (11) of an armature of the relay (6) is connected to the first fixed contact (7) and disconnected from the second fixed contact (8), then the first energy storage device (1) is coupled between the positive pole (9) and the negative pole (10) to supply power to the automobile;
when the output current is a high current, under the control of the detection control circuit, the movable contact (11) of the armature of the relay (6) is disconnected from the first fixed contact (7) but connected to the second fixed contact (8), then the second energy storage device (2) is coupled between the positive pole (9) and the negative pole (10) to supply power to the automobile;
wherein after the movable contact (11) of the armature of the relay (6) is coupled to the second fixed contact (8) for 1 to 10 s, the relay is reset.

US Pat. No. 10,116,152

BATTERY CARTRIDGE, BATTERY CARRIER MODULE, AND BATTERY CHARGING SYSTEM

1. A battery cartridge, comprising:a carrier case, including an accommodating space for accommodating a rechargeable battery, the accommodating space having a maximum width and a maximum depth, the rechargeable battery having a predetermined width and a predetermined depth; and
a dismantable assembly disposed in the accommodating space of the carrier case, the dismantable assembly including a width adjustment part and a depth adjustment part;
wherein the maximum width and the maximum depth of the accommodating space are respectively greater than the predetermined width and the predetermined depth of the rechargeable battery, one of the width adjustment part and the depth adjustment part being disposed between the carrier case and the rechargeable battery so as to maintain the relative position between the rechargeable battery and the carrier case.

US Pat. No. 10,116,151

BATTERY CHARGER RENTAL KIOSK SYSTEM

BSENG, LLC, Satellite Be...

1. A battery pack device comprising:a housing having a chamfered edge;
a plurality of electrical contacts carried by an outer surface of the housing;
a plurality of electrical connectors carried within the housing;
a moveable control device adapted to position at least one of the plurality of electrical connectors through an aperture located in the housing when activated; and
a battery contained within the housing and in electrical communication with each of the plurality of electrical connectors and the plurality of electrical contacts.

US Pat. No. 10,116,150

CONDUCTIVE PLATE AND ELECTRONIC DEVICE HAVING THE SAME

Samsung Electro-Mechanics...

1. A conductive plate of a terminal disposed on a side of a coil substrate for wirelessly charging the terminal, comprising:metal members each having a plate shape; and
an insulating layer disposed on a surface of at least one of the metal members to insulate the metal members from each other,
wherein the metal members are coupled to each other to configure a planar contour surface.

US Pat. No. 10,116,149

AUTOMATIC CONTROL SYSTEM FOR A RECHARGEABLE BATTERY SYSTEM

Elite Power Solutions, LL...

1. An automatic battery control system comprising:a) a battery unit;
b) a microprocessor;
c) a battery management system that measures a state of charge of said battery unit and comprises:
i) an over-voltage output that provides an over-voltage signal to said microprocessor when the battery unit has a measured state of charge greater than an upper threshold limit;
ii) an under-voltage output that provides an under-voltage signal to said microprocessor when the battery unit has a measured state of charge less than a lower threshold limit; and
iii) a current flow output that provides a current signal of current flow direction into or out of said battery to said microprocessor;
d) an automatic battery control circuit coupled to the battery management system, the microprocessor and the battery unit and comprising:
i) a relay comprising:
a single relay contactor extending from an input side to an output side;
a transistor; and
ii) a parallel resistor configured in parallel with the relay contactor from said input side to said output side;
iii) a discharge optocoupler coupled between the automatic battery control circuit and the microprocessor;
iv) a charge optocoupler coupled between the automatic battery control circuit and the microprocessor;
v) a difference amplifier that senses a relay potential that is a voltage potential across the parallel resistor and communicates with the discharge optocoupler and charge optocoupler;
wherein the discharge optocoupler sends a signal to the microprocessor when the relay potential from the inlet to outlet side is positive;
wherein the charge optocoupler sends a signal to the microprocessor when the relay potential from the inlet to outlet side is negative;
wherein with the relay contactor open, a reduction in an output side voltage of the output side is indicated by the discharge optocoupler to the microprocessor, and when the battery is above a threshold discharge limit, the relay contactor is closed by said transistor and the battery unit is connected to a load and place the automatic battery control system in a discharge mode; and
wherein with the relay contactor open, an increase in the output side voltage of the output side is indicated by the charge optocoupler to the microprocessor, and when the battery is below a threshold charge limit, the relay contactor is closed by said transistor to connect the battery unit to a charging power source to place the automatic battery control system in a charge mode.

US Pat. No. 10,116,148

SECONDARY-BATTERY PROTECTING INTEGRATED CIRCUIT, SECONDARY BATTERY PROTECTION APPARATUS, AND BATTERY PACK

MITSUMI ELECTRIC CO., LTD...

1. A secondary-battery protecting integrated circuit for protecting a secondary battery by controlling a switch circuit connected in series in a charge/discharge current path between a negative electrode of the secondary battery and a negative terminal connected to a lower voltage side power supply node of a load, the secondary-battery protecting integrated circuit comprising:a power supply terminal connected to a positive electrode of the secondary battery;
a ground terminal connected to a negative electrode of the secondary battery;
an input terminal connected to the negative terminal;
a control terminal at which a control signal is input;
a pull-down resistor connected between the control terminal and the ground terminal;
a voltage monitoring circuit configured to monitor a voltage between the control terminal and the ground terminal;
a voltage comparison circuit configured to compare a voltage at the control terminal with a voltage at the input terminal; and
a control circuit configured to perform an operation in which a discharge operation of the secondary battery is prevented by turning off a discharge control transistor included in the switch circuit in response to the voltage monitoring circuit detecting that the voltage between the control terminal and the ground terminal is greater than a first threshold, wherein, upon stopping the discharge operation, a parasitic current path is generated in which a parasitic current flows in a direction going from the power supply terminal, via the load, a parasitic diode with the lower voltage side power supply node as an anode, the control terminal, and the pull down resistor, to the ground terminal, and wherein the discharge operation of the secondary battery is allowed to be performed by turning on the discharge control transistor in response to the voltage comparison circuit detecting that the voltage at the control terminal is lower than the voltage at the input terminal.

US Pat. No. 10,116,147

BATTERY MANAGING DEVICE AND BATTERY MANAGING METHOD

HONDA MOTOR CO., LTD., T...

1. A battery managing device comprising:a first deriver that derives a provisional value indicating a charge state of a battery provided to a vehicle including an electric motor as a drive source;
a second deriver that derives the charge state of the battery based on a condition obtained by comparing the provisional value and a boundary point between a plurality of ranges divided in accordance with an available charged amount of the battery;
a determiner that determines to which of the ranges the battery belongs based on the charge state of the battery derived by the second deriver; and
an instructor that instructs a control on charging and discharging of the battery in accordance with the region determined by the determiner, wherein
the boundary point is set based on a minimum required available charged amount for the battery belonging to at least one specific range of the ranges, and
the minimum required available charged amount is an available capacity of the battery when the battery is in a predetermined degradation state.

US Pat. No. 10,116,146

NON-CONTACT POWER TRANSMISSION DEVICE AND LOCATION-BASED SERVICE SYSTEM USING THE SAME

Samsung Electro-Mechanics...

1. A non-contact power transmission device comprising:a power transmission unit configured to contactlessly provide electric power;
a controller configured to provide location information of the non-contact power transmission device; and
a communications unit configured to transmit the location information and product information received from a non-contact power reception device to a server, and receive an approval to transmit electric power to the non-contact power reception device from the server.

US Pat. No. 10,116,145

PERFORMANCE ADJUSTMENT FOR WIRELESS POWER TRANSFER DEVICES

uBeam Inc., Marina Del R...

1. A method comprising:activating a wireless power transfer device;
measuring at least one characteristic of the performance of the activated wireless power transfer device;
determining that the at least one measured characteristic of the activated wireless power transfer device does not meet at least one performance requirement for the wireless power transfer device;
determining at least one adjustment to be applied to the wireless power transfer device, wherein the at least one adjustment is based on the determining that the at least one measured characteristic of the activated wireless power transfer device does not meet at least one performance requirement for the wireless power transfer device, and wherein the at least one adjustment is the removal of mass from the wireless power transfer device, the addition of mass to the wireless power transfer device, the repositioning of one or more components of the wireless power transfer device, or the alteration of stiffness of the wireless power transfer device;
applying the at least one adjustment to the wireless power transfer device;
activating the wireless power transfer device after application of the at least one adjustment;
measuring the at least one characteristic of the performance of the activated wireless power transfer device;
determining that the at least one measured characteristic of the activated wireless power transfer device does not meet the performance requirements associated with a use for the wireless power transfer device, wherein the at least one performance requirement is associated with a use for the wireless power device;
determining that the wireless power transfer device will meet the performance requirements associated with the use after a future manufacturing step; and
indicating that the wireless power transfer device is passed for the use associated with the performance requirements.

US Pat. No. 10,116,144

WIRELESS POWER TRANSFER APPARATUS USING ENCLOSURES WITH ENHANCED MAGNETIC FEATURES AND METHODS OF FABRICATING THE SAME

Eaton Intelligent Power L...

1. An apparatus comprising:an enclosure configured to be installed in an equipment rack and comprising a wall;
a coil assembly in the enclosure and comprising a magnetic core and a coil disposed on the magnetic core, the magnetic core positioned adjacent the wall such that a main flux path in the magnetic core is through at least one portion of the wall having a magnetic permeability greater than air, wherein the at least one portion of the wall comprises a region with a first magnetic permeability embedded in another component of the wall having a second magnetic permeability, and wherein the magnetic core is positioned adjacent the region such that the main flux path is directed through the region; and
a wireless power receiver circuit in the enclosure, coupled to the coil and configured to be connected to at least one power bus in the equipment rack.

US Pat. No. 10,116,143

INTEGRATED ANTENNA ARRAYS FOR WIRELESS POWER TRANSMISSION

Energous Corporation, Sa...

1. An antenna for transmitting focused radio-frequency (RF) waves towards a receiver to provide wireless power thereto, the antenna comprising:an integrated antenna structure, wherein the integrated antenna structure:
is on a multi-layer printed circuit board (PCB);
includes a first group of unit cells with a planar inverted F-antenna (PIFA) transmitting element and a second group of unit cells without a transmitting element, and each respective unit cell of the first and second groups of unit cells is made of an artificial magnetic conductor (AMC) material, wherein:
a ground element of the PIFA transmitting element is formed in a bottom layer of the multi-layer printed circuit board and the PIFA transmitting element is formed on a top layer of the multi-layer PCB,
a metal layer associated with the AMC material is formed on a first inner layer of the multi-layer PCB that is between the top and bottom layers, and
a backing metal layer associated with the AMC material is formed on a second inner layer of the multi-layer PCB that is between the top and bottom layers; and
is configured to transmit, via the transmitting element, RF wireless power waves having a wavelength (?) to a wireless power receiver, and
wherein the second group of unit cells without the transmitting element surrounds at least four sides of the first group of unit cells on the multi-layer printed circuit board and is configured to reflect at least some of the RF wireless power towards the wireless power receiver.

US Pat. No. 10,116,142

LOAD CONTROL APPARATUS, PROGRAM, METHOD, AND SYSTEM

Panasonic Intellectual Pr...

1. A load control apparatus used in a power supply system in which a power generator supplies electric power to a load device, and when electric power generated in the power generator is insufficient to supply the electric power to the load device, a commercial power system supplies electric power to the load device, the load control apparatus comprising:a controller configured to receive information regarding consumed electric power in the load device and generated electric power by the power generator and to control an operation of a controlled device included in the load device on the basis of the received information, wherein
the controller comprises:
a determination unit configured to determine whether a condition related to electric power is satisfied;
an execution unit configured to control the operation of the controlled device to start execution of a predetermined process in the controlled device, when the determination unit determines that the condition related to the electric power is satisfied; and
a prediction unit configured to predict a surplus electric power generated in a target period from the present time until a predetermined period of time elapses,
the determination unit is configured to:
determine that the condition is satisfied when the determination unit determines that the electric power necessary for executing the predetermined process will be continuously secured from the start to the completion of the predetermined process in the target period,
compare electric power and time necessary after the controlled device starts the predetermined process and before completing with a prediction result by the prediction unit,
the predetermined process comprises a process to be started and completed within a constant fixed period of time,
the prediction unit is further configured to predict, for the constant fixed period of time, a period from the present time until the constant fixed period of time elapses as the target period, the surplus electric power in the target period, and
the determination unit is further configured to compare, for the constant fixed period of time, the electric power necessary for the process in the controlled device with the prediction result by the prediction unit.

US Pat. No. 10,116,141

SYSTEM AND METHOD OF ENERGY RESOURCE DELIVERY

ROLLS-ROYCE plc, London ...

1. Apparatus for coordinating energy distribution over a local energy network having at least one generator and a plurality of systems requiring an energy supply for operation, each system in the local network being connected to the at least one generator and/or another system in the network for distribution of energy there-between, the apparatus comprising:an agent for each respective one of the generator and systems, the agent having a data store, a data processor and a data transmitter and receiver for transmission and receipt of data communication with one or more of the other agents,
wherein the data processor of each agent is programmed to recognise a predetermined communication sequence with another agent, where the communication sequence comprises a plurality of communications with the another agent in a plurality of ordered data communication steps required to initiate supply of energy between the generator or system of said agent and the generator or system associated with the another agent, each communication sequence being assigned a future time period for which the energy supply is to be enacted, and wherein the data processor of each agent is programmed to initiate supply of energy between the generator or system of said agent and the generator or system associated with the another agent based on the predetermined communication sequence.

US Pat. No. 10,116,140

MAGNETICALLY COUPLED SOLAR POWER SUPPLY SYSTEM

AMPT, LLC, Fort Collins,...

3. A method of highly efficiently delivering solar energy power comprising the steps of:accepting power from at least one photovoltaic source of power;
tapped magnetically coupled inductor converting said power;
duty cycle controlling said step of tapped magnetically coupled inductor converting said power; and
high photovoltaic efficiency delivering a high efficiency photovoltaic DC output;wherein said step of tapped magnetically coupled inductor converting said power comprises the step of utilizing two pairs of series switches connected at a midpoint to which a tapped magnetically coupled inductor arrangement is connected.

US Pat. No. 10,116,139

SOLAR POWER LIGHTED AUDIO FISHING TACKLE BOX

1. A tackle box having electronic circuitry, electronic power sources for support of lighting, audio, and audio source, comprising:first and second compartments, wherein said first compartment is smaller in volume than said second compartment,
a battery and an AC/DC main power input for providing a DC power source,
a plurality of solar panels, wherein the plurality of solar panels are mounted, located and positioned on and in the box and connected in the power circuit in a manner that some face the sun to provide DC power while the box is open while others face the sun to provide DC power while the box is closed,
a plurality of low power miniature lights mounted in said first compartment and said second compartment of said box and connected through a switch to said DC power source,
an amplifier circuit mounted in said box and connected to said DC power source and to an external source of audio,
a plurality of speakers mounted on or in said box and connected to said amplifier circuit to provide amplified audio output from said external source of audio,
a connector connected to said input of said AC/DC power and mounted on a wall of said box to provide charging power to said battery and to provide substitute power to said DC power source.

US Pat. No. 10,116,138

WIND POWER PLANT, AND A METHOD FOR CONTROLLING A REACTIVE CURRENT INJECTION IN A WIND POWER PLANT

1. A method for controlling a reactive current injection in a wind power plant during a grid fault, comprising:measuring, at a point of measurement between a plurality of wind turbine generators in the wind power plant and a grid, an amount of reactive current provided by the wind power plant to the grid during the grid fault, wherein the amount of reactive current is produced by the wind plant in response to a required reactive current contribution;
determining a difference between the required reactive current contribution and the amount of reactive current provided by the wind power plant to the grid during the grid fault; and
controlling the plurality of wind turbine generators in the wind power plant to generate additional reactive current according to a reactive current reference generated based on the difference.

US Pat. No. 10,116,137

PROGRAMMABLE ELECTRICAL CONTROL DEVICE

SMARTSWITCH PTY LTD., Ar...

1. A method of controlling electrical power supply through at least one electrical power supply output of an electrical switching device, comprising:receiving switching time and/or duration data;
processing the received switching time and/or duration data with one or more of clock times and calendar dates to provide switching time and/or duration comprising at least one supply on period and at least one supply off period; and
controlling electrical power supply through the at least one electrical power supply output in accordance with the switching time and/or duration and in accordance with a position of a manual switch of the electrical switching device such that during the at least one supply on period the electrical power supply output is able to supply electrical power when the manual switch is on and during the at least one supply off period the electrical power supply output is unable to supply electrical power when the manual switch is either on or off.

US Pat. No. 10,116,136

PRIMARY FREQUENCY CONTROL THROUGH SIMULATED DROOP CONTROL WITH ELECTRIC LOADS

BATTELLE MEMORIAL INSTITU...

1. A frequency control system providing frequency control for an a.c. electrical power grid operating at an electrical frequency using a fleet of electrical loads powered by the electrical power grid, the frequency control system comprising:a system controller comprising an electronic data processing device programmed to assign load-specific threshold frequencies to electrical loads of the fleet of electrical loads, and to assign load-specific threshold frequencies to electrical loads of the fleet of electrical loads based on State of Charge (SOC) values for the electrical loads that measure energy stored in the electrical loads; and
load controllers controlling the electrical loads of the fleet of electrical loads, wherein each load controller comprises a microprocessor or microcontroller programmed to perform load monitoring and control operations for a controlled electrical load of the fleet of electrical loads including (i) comparing a measurement of the electrical frequency with the threshold frequency assigned to the controlled electrical load and (ii) operating the controlled electrical load based on the comparison.

US Pat. No. 10,116,135

METHOD AND APPARATUS FOR VOLTAGE CONTROL IN ELECTRIC POWER SYSTEMS

1. A method of controlling voltage of an electric power system, comprising: providing a system having:a high level substation; a low level substation connected to loads through step transformers; a voltage control module for each substation including a high voltage control module, a low voltage control module, on load tap controllers (OLTC), and turbo generators equipped with automatic voltage regulators; and a reactive power controller comprising a mega-volt-ampere reactive (VAR) export/import control module;
determining the operating mode of the voltage control module based on an actual power network configuration across the high level substation and the low level substation;
calculating a proportional-integral-derivative response of the high voltage control module from a deviation of a voltage variable of the high voltage control module to manipulate set points of the automatic voltage regulators; counteracting potentially destabilizing interactions between the high voltage control module and the low voltage control module by calculating a set point correction coefficient and sending the set point correction coefficient to the low level voltage control module; and controlling the low level voltage substation with a voltage control function;
wherein the set points for the automatic voltage regulators connected to the high level substation are determined by: sensing a high level voltage for the high level substation;
defining a first primary process control variable by constructing a function to calculate average high level bus voltage;
using the primary process control variable to calculate a primary control output of the automatic voltage regulators; defining a second primary process control variable for the export/import control module; defining set points for the export/import control module;
using the second primary process variable and the set points for the export/import control module to calculate a secondary control output of the automatic voltage regulators; and
adding the primary control output and the secondary control output to obtain set points for the automatic voltage regulators.

US Pat. No. 10,116,134

SYSTEMS AND METHODS FOR DETERMINING AND UTILIZING CUSTOMER ENERGY PROFILES FOR LOAD CONTROL FOR INDIVIDUAL STRUCTURES, DEVICES, AND AGGREGATION OF SAME

CAUSAM ENERGY, INC., Ral...

1. A method for determining and using customer energy profiles to manage electrical load control events on a communications network between a server in communication with an electric grid operator or any market participant associated with an electric power grid and a plurality of customers at a plurality of service points, comprising:generating, a plurality of customer profiles for the plurality of customers, wherein each customer profile comprises at least energy consumption information for a plurality of controllable energy consuming devices at the plurality of service points, wherein the plurality of controllable energy consuming devices include a plurality of controllable temperature control devices or building control systems;
storing the plurality of customer profiles in a database for use in load control events;
aggregating the plurality of customer profiles into at least one aggregate customer profile based on at least one predetermined criterion;
generating a candidate list of service points for load control events based on the at least one predetermined criterion;
sending a load control event to at least one service point selected from the candidate list of service points in response to an energy reduction request including a target energy savings received from the electric grid operator or any market participant associated with the electric power grid via the communications network;
determining an energy savings for the plurality of controllable energy consuming devices resulting from a reduction in consumed power associated with the load control event at the at least one service point, wherein the energy savings is determined based on a monetary supply equivalent value for each of the plurality of controllable energy consuming devices, wherein each monetary supply equivalent value is a measurement and a verification of the reduction in consumed power by each of the plurality of controllable energy consuming devices, wherein the monetary supply equivalent value is a curtailment value as a supply accepted by governing entities for awarding the plurality of customers; and
determining the resulting energy savings is at least equal to the target energy savings.

US Pat. No. 10,116,132

DEVICE FOR EFFICIENT DIRECT CURRENT INTERRUPTION

LSIS CO., LTD., Anyang-s...

1. A direct current (DC) circuit breaker comprising:a first line in which a first high-speed switch and a power semiconductor switch are connected in series;
at least one second line, each of the at least one second line including a plurality of second high-speed switches, a plurality of pairs and a resistor which are connected in series, each of the pairs including a first non-linear resistor and a power fuse connected in parallel with the first non-linear resistor;
a third line including a second non-linear resistor;
a current measuring unit disposed before the first line, the second line, and the third line which are connected in parallel; and
a fast fault detector (FFD) connected to the current measuring unit and configured to transmit an opening signal to the first high-speed switch and the second high-speed switches and the power semiconductor switch,
wherein at least one of the plurality of second high-speed switches are disposed in one end of the pairs, and the other at least one of the plurality of second high-speed switches are disposed in the other end of the pairs,
wherein, in a fault-current interruption mode, the fast fault detector is configured to output a switching control signal such that the first high-speed switch and the second high-speed switch are opened first, and then the power semiconductor switch is opened after a first predetermined time period, and
wherein, when the power semiconductor switch is opened and a second predetermined time period has elapsed, a fault-current is directed to flow to the third line.

US Pat. No. 10,116,131

OVER-CURRENT PROTECTION CIRCUITS AND LIQUID CRYSTAL DEVICES

Shenzhen China Star Optoe...

1. An over-current protection circuit, comprising:a detection circuit, a first protection branch, and a second protection branch, the detection circuit is configured for detecting a current of an output end of the over-current protection circuit in a real-time manner, and for obtaining a first detection voltage in accordance with the current of the output end of the over-current protection circuit, the first protection branch is configured for comparing the first detection voltage and a first reference voltage, when the first detection voltage is smaller than the first reference voltage, the second protection branch obtains a reference detection voltage in accordance with the first detection voltage of a first normal operation, when the first detection voltage is smaller than the first reference voltage, the detection circuit detects the current of the output end of the over-current protection circuit in a real-time manner, and obtains a second detection voltage in accordance with the current of the output end of the over-current protection circuit, the second protection branch compares the second detection voltage and a second reference voltage, when the second detection voltage is greater than or equals to the second reference voltage, the second protection branch cuts off the current inputted to the input end of the over-current protection circuit, wherein the second reference voltage equals to a sum of the reference detection voltage plus a predetermined initial value, and the predetermined initial value is a positive number.

US Pat. No. 10,116,130

DISTRIBUTION BOARD, POWER CONSUMPTION MANAGING SYSTEM, AND METHODS FOR MANUFACTURING DISTRIBUTION BOARD AND POWER CONSUMPTION MANAGING SYSTEM

NEC CORPORATION, Tokyo (...

1. A distribution board comprising:a main bar that is connected to a power supply line;
a branch bar that is branched from the main bar, the branch bar supplying power to a load;
a breaker that is electrically connected to the branch bar, the breaker being configured to be electrically connected to the load, the breaker limiting to a predetermined set value a current to be supplied to the load; and
a display unit that is provided to the branched bar or the breaker, the display unit indicating a designation of the load that is planned to be connected to the breaker.

US Pat. No. 10,116,129

EOS EVENT DETECTION CIRCUIT FOR DETECTING EOS EVENT ON SUPPLY VOLTAGE RAIL COUPLED TO POWER SUPPLY

WESTERN DIGITAL TECHNOLOG...

1. An EOS event detection circuit coupled to a power supply via a supply voltage rail, the EOS event detection circuit comprising:a plurality of sub-circuits coupled to the supply voltage rail, each sub-circuit comprising:
a first transistor;
a Zener diode coupled between the supply voltage rail and a first terminal of the first transistor; and
a fusible element coupled between a second terminal of the first transistor and the supply voltage rail;
wherein the first transistor is configured to cause the fusible element to open when an EOS event occurring on the supply voltage rail exceeds a reverse breakdown voltage of the Zener diode; and
wherein the Zener diode in each sub-circuit has a different reverse breakdown voltage.

US Pat. No. 10,116,128

UNIVERSAL WALL BOX THREAD REPAIR CLIP

1. A universal wall box thread repair clip, comprising:a front portion having at least a first opening and a second opening that are each sized to threadably engage a wall box screw;
an outer support portion extending from a first side of the front portion and configured to bear against an outer surface of a wall box;
at least one retention leg extending from a second side of the front portion, the second side being opposite the first side of the front portion and having a tooth formed at a distal end of the at least one retention leg; and
wherein the first opening of the front portion is configured to align with a screw hole in a wall box of a first type when the at least one retention leg is engaged with features of the wall box of the first type, and wherein the second opening of the front portion is configured to align with a screw hole in a wall box of a second type when the at least one retention leg is engaged with features of the wall box of the second type, and wherein the features of the wall box of the first type are different than the features of the wall box of the second type.

US Pat. No. 10,116,127

JUNCTION BOXES WITH WRAP-AROUND COMPARTMENTS

Elemental LED, Inc., Ren...

1. A junction box, comprising:a base having a bottom and a sidewall arising from the bottom;
a driver cap, the driver cap having
a top,
sidewalls depending from the top, and
partition portions extending outwardly from the sidewalls, the partition portions being arranged so as to extend to the sidewall of the base and thereby divide the base into at least two compartments that wrap around the driver cap; and
a cover sized and adapted to engage the base and to form a closed enclosure with the base.

US Pat. No. 10,116,126

OUTDOOR UNIT OF AIR CONDITIONER

Hitachi-Johnson Controls ...

1. An outdoor unit of an air conditioner, comprising:an electrical box;
a housing that covers the electrical box to form an contour;
an electrical box cover member that covers components inside the electrical box; and
a housing cover that covers the electrical box cover member from outside,
wherein the electrical box cover member includes a work opening and has an opening cover that covers the work opening, and wherein the housing cover abuts on the opening cover in a state of the opening cover being open.

US Pat. No. 10,116,125

COLD SHRINKABLE TERMINATION, COLD SHRINKABLE TERMINATION ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME

Tyco Electronics (Shangha...

1. A cold shrinkable termination for an electric power cable:(a) the electric power cable having:
(1) a conductor core having an exposed segment and an unexposed segment,
(2) an insulation layer having an exposed segment and an unexposed segment covering the unexposed segment of conductor core,
(3) a semi-conductive shield layer having an exposed segment and an unexposed segment covering the unexposed segment of the insulation layer,
(4) a metal shield layer having an exposed segment and an unexposed segment covering the unexposed segment of the semi-conductive shield layer, and
(5) an outer protection layer covering the unexposed segment of the metal shield layer, and
(b) the cold shrinkable termination
(1) comprising:
(i) an insulation tube sized to form a gap between the insulation tube and that segment of the electric power cable where the conductor core, the insulation layer, the semi-conductive shield layer, and the metal shield layer of the electric power cable are exposed when the cold shrinkable termination is mounted on the electric power cable, and
(ii) a stress control glue coated on an inner wall of the insulation tube, the stress control glue having a dielectric constant within a range of 5 to 100, and
(2) adapted to position the stress control glue at the gap between the insulation tube and the exposed segment of the electric power cable when the cold shrinkable termination is mounted on the electric power cable.

US Pat. No. 10,116,124

ION GENERATOR AND METHOD OF MANUFACTURING THE SAME

LG ELECTRONICS INC., Seo...

7. An ion generator, comprising an ion generating module, a high voltage generator applying a high voltage to the ion generating module, and a housing in which the ion generating module and the high voltage generator are installed, wherein the ion generating module comprises: a plastic plate; a copper discharge electrode formed on a first surface of the plastic plate, the copper discharge electrode having at least one discharge needle; a ground electrode formed on an opposite surface of the plastic plate; and a metal coating layer coated on the copper discharge electrode, and wherein the high voltage generator comprises a printed circuit board, a winding-type transformer formed on the printed circuit board, and a transformer housing formed on the printed circuit board and surrounding the winding-type transformer.

US Pat. No. 10,116,123

INSPECTION METHOD AND APPARATUS OF SPARK PLUG INSULATOR

NGK SPARK PLUG CO., LTD.,...

1. An inspection method of an insulator for a spark plug, the insulator having an axial hole formed therethrough in a direction of an axis of the insulator and including a collar portion, a rear body portion located in rear of the collar portion and made smaller in diameter than the collar portion and a leg portion located in front of the collar portion and made smaller in diameter than the collar portion, the inspection method comprising:setting a point in the direction of the axis on the leg portion as a first measurement point and setting a point in the direction of the axis on any portion of the insulator other than the leg portion as a second measurement point;
performing measurement of a distance in a radial direction of the insulator between an outer circumferential surface of the leg portion at the first measurement point and an outer circumferential surface of the any portion of the insulator other than the leg portion at the second measurement point;
causing rotation of the insulator about the axis in a state that at least one of the collar portion and the rear body portion of the insulator is held with a holding member, wherein the measurement is performed at a plurality of positions in a circumferential direction of the insulator, with no contact to the leg portion and the any portion of the insulator other than the leg portion, by changing the position of the measurement in accordance with the rotation of the insulator;
determining, as a circular runout, a difference between maximum and minimum values among results of the measurement of the distance at the plurality of positions; and
making pass/fail judgment of the insulator based on the determined circular runout.

US Pat. No. 10,116,121

SEMICONDUCTOR DEVICE MANUFACTURING METHOD AND SEMICONDUCTOR DEVICE

Mitsubishi Electric Corpo...

1. A method of manufacturing a semiconductor device, comprising:a step of forming, on a semiconductor substrate, a mesa stripe including an active layer, and a semiconductor layer covering the mesa stripe;
a masking step of forming, on the semiconductor layer, a mask pattern through which the semiconductor layer is exposed on opposite sides of the mesa stripe;
an isotropic etching step of performing isotropic etching on the semiconductor layer exposed through the mask pattern so that concaves having a circular-arc sectional shape are formed in the semiconductor layer;
an anisotropic etching step of performing anisotropic etching on the semiconductor layer through the mask pattern after the isotropic etching step so that etching progresses to the semiconductor substrate; and
a step of separating the semiconductor substrate into chips after the anisotropic etching step, wherein
the steps of isotropic etching and anisotropic etching form trenches through the semiconductor layer such that bottom surfaces of the trenches are concaves having a circular-arc sectional shape and side surfaces of the trenches are perpendicular to the semiconductor substrate, and
the circular-arc sectional shape of the bottom surfaces of the trenches inhibits splitting of the semiconductor substrate from a point on peripheries of the trenches during the step of separating the semiconductor substrate into chips.

US Pat. No. 10,116,120

SEMICONDUCTOR MULTILAYER FILM MIRROR, VERTICAL CAVITY TYPE LIGHT-EMITTING ELEMENT USING THE MIRROR, AND METHODS FOR MANUFACTURING THE MIRROR AND THE ELEMENT

STANLEY ELECTRIC CO., LTD...

1. A semiconductor multilayer film mirror comprising:a plurality of pairs of an InAlN-based semiconductor film and a GaN-based semiconductor film, where each pair of the InAlN-based semiconductor film and the GaN-based semiconductor film is layered in a cyclic fashion, the InAlN-based semiconductor film having an In composition of less than 18 at %; and
a thin GaN cap layer formed on the InAlN-based semiconductor film and an AlGaN layer formed on the thin GaN cap layer, between each pair of the InAlN-based semiconductor film and the GaN-based semiconductor film.

US Pat. No. 10,116,117

LD MODULE

FUJIKURA LTD., Tokyo (JP...

1. An LD module, comprising:a multi-mode laser diode, including an active layer, which emits a laser beam from an exit end surface;
a multi-mode fiber, including a core, whose entrance end surface the laser beam enters; and
an optical system provided between the multi-mode laser diode and the multi-mode fiber,
the optical system including:
a collimating lens configured to refract, within a plane parallel to the active layer, the laser beam which is divergent light emitted from the multi-mode laser diode so as to convert the laser beam into parallel light; and
a light-converging lens configured to convert, into convergent light, the parallel light which has exited the collimating lens,
the multi-mode laser diode having an emitter width greater than a diameter, of the core, in the entrance end surface of the multi-mode fiber,
the optical system being configured to converge the laser beam so that a diameter, of the laser beam, in the entrance end surface of the multi-mode fiber becomes smaller than the diameter, of the core, in the entrance end surface of the multi-mode fiber,
the multi-mode laser diode being configured so that a beam parameter product of the laser beam emitted from the multi-mode laser diode shows a local minimal value which changes in accordance with the emitter width of the multi-mode laser diode, the local minimal value being equal to or smaller than a beam parameter product of the multi-mode fiber,
the emitter width of the multi-mode laser diode being set so that the beam parameter product of the laser beam emitted from the multi-mode laser diode is equal to or smaller than the beam parameter product of the multi-mode fiber, the LD module further comprising:
a mirror configured to reflect and guide, to the multi-mode fiber, a laser beam emitted from the multi-mode laser diode,
the multi-mode fiber being provided so that a central axis of the multi-mode fiber is orthogonal to an optical axis of the laser beam emitted from the multi-mode laser diode.

US Pat. No. 10,116,116

PRINTED CIRCUIT BOARD AND OPTICAL MODULE

Oclaro Japan, Inc., Kana...

1. A printed circuit board, comprising a stacking-direction differential transmission line extending in a stacking direction,the stacking-direction differential transmission line comprising:
a differential signal via pair comprising a first signal via and a second signal via both extending in the stacking direction; and
a plurality of conductor plate pairs each comprising a first conductor plate expanding outward from a rim of the first signal via in a board plane direction, and a second conductor plate expanding outward from a rim of the second signal via in the board plane direction, the second conductor plate being located in the same layer as the first conductor plate and separated from the first conductor plate,
wherein the plurality of conductor plate pairs are arranged along the stacking direction and separated from each other,
wherein with respect to a perpendicular bisector of a center-of-gravity line segment connecting a center of gravity of the first signal via and a center of gravity of the second signal via, in each of the plurality of conductor plate pairs, a center of gravity of a contour of the first conductor plate is located on an inner side of the center of gravity of the first signal via, and a center of gravity of a contour of the second conductor plate is located on an inner side of the center of gravity of the second signal via.

US Pat. No. 10,116,115

INTEGRATED CIRCUIT IMPLEMENTING A VCSEL ARRAY OR VCSEL DEVICE

Geoff W. Taylor, Wilton,...

1. A semiconductor device comprising:a plurality of vertical-cavity surface-emitting laser (VCSEL) devices arranged in a two-dimensional array, wherein the plurality of VCSEL devices is formed from a layer structure that includes at least one bottom n-type layer, at least one intermediate p-type layer formed above the at least one bottom n-type layer, an n-type modulation doped quantum well structure formed above the at least one intermediate p-type layer, at least one spacer layer formed between the at least one intermediate p-type layer and the n-type modulation doped quantum well structure, and at least one top p-type layer formed above the n-type modulation doped quantum well structure;
an annealed oxygen implant region disposed vertically in the layer structure within the at least one spacer layer and configured to surround and extend laterally in a continuous manner between the plurality of VCSEL devices;
an annealed n-type ion implant region disposed vertically in the layer structure within the top p-type spacer layer and configured to overlie the annealed oxygen implant region and surround and extend laterally in a continuous manner between the plurality of VCSEL devices;
a common anode that contacts the at least one top p-type layer; and
a common cathode that contacts the at least one bottom n-type layer;
wherein the at least one intermediate p-type layer has a built-in hole charge Qp, the at least one bottom n-type layer has a built-in electron charge Qn, and the built-in hole charge Qp relative to the built-in electron charge Qn is configured for diode current-voltage characteristics of the plurality of VCSEL devices based on voltages applied to the common anode and the common cathode.

US Pat. No. 10,116,113

PLANAR WAVEGUIDE LASER APPARATUS

Mitsubishi Electric Corpo...

1. A planar waveguide laser apparatus comprising:a planar waveguide comprising a core formed from a laser medium for absorbing pump light and claddings bonded to an upper surface and a lower surface of the core, each cladding having a smaller refractive index than the laser medium;
a pump light generation source for emitting the pump light to a side surface of the core; and
laser light reflection films formed on, out of four side surfaces of the core, two opposite side surfaces that are different from the side surface to which the pump light is emitted by the pump light generation source, wherein
a structure of at least one side surface of two opposite side surfaces, out of four side surfaces of the planar waveguide, that are different from the side surface to which the pump light is emitted by the pump light generation source, the at least one side surface including at least one cladding surface and a core surface, and the structure of the at least one side surface is a ridge structure in which a part of the at least one side surface is recessed.

US Pat. No. 10,116,112

LASER OSCILLATOR

VIA MECHANICS, LTD., Kan...

1. A laser oscillator in which a pair of electrodes is disposed in a housing into which a gas is sealed, a waveguide is formed by the pair of electrodes, and a laser beam is configured to be extracted from an end of the housing, the laser oscillator comprising:a mirror holder directly attached to an end of one of the pair of electrodes, the end serving as an end of the waveguide, so that the mirror holder is capable of sliding on a surface of the end of the one of the pair of electrodes in a vertical direction with respect to a direction of the laser beam; and
a reflection mirror attached to the mirror holder and reflecting a laser beam generated in the waveguide,
wherein a passage through which a cooling medium is passed is formed inside each of the pair of electrodes.

US Pat. No. 10,116,111

METHOD AND DEVICE FOR FILAMENT-BASED WHITE LIGHT GENERATION

DEUTSCHES ELEKTRONEN-SYNC...

1. A method of generating white light pulses with a white light generation device, comprising the steps of:coupling pump laser pulses into a white light generation crystal,
generating the white light pulses by an optically non-linear conversion of the pump laser pulses in the white light generation crystal,
detecting at least one pulse characteristic of at least one of the pump laser pulses and the white light pulses, wherein the at least one pulse characteristic is capable of indicating a normal working range of the white light generation crystal; and
controlling the white light generation device using a control loop device by adjusting an axial focus position of the pump laser pulses along a propagation axis of a beam in the white light generation crystal in dependency on a deviation of the at least one pulse characteristic of the at least one pulse characteristic and at least one normal working range characteristic indicating the normal working range of the white light generation crystal.

US Pat. No. 10,116,110

ROTOR ARRANGEMENT FOR A SLIP RING ASSEMBLY AND ROTARY COUPLING ARRANGEMENT COMPRISING A ROTOR ARRANGEMENT OF THIS KIND

CARL ZEISS INDUSTRIELLE M...

1. A rotor arrangement for a slip ring assembly, said rotor arrangement comprising a shaft element and at least one contact ring, wherein the shaft element is at least partially in the form of a hollow shaft with a hollow interior and a casing wall, wherein the shaft element has a middle section, wherein each contact ring is arranged on the shaft element in the middle section, wherein the middle section has at least one cutout through the casing wall into the interior, wherein each contact ring is connected to a cable element which is guided through one of the at least one cutout into the interior, and wherein the shaft element has a first end section with an outer circumferential cross section for a rotationally fixed coupling, wherein the middle section is offset in relation to the first end section by a flange, wherein the flange has an outside diameter which is larger than a smallest outside diameter of the first end section and larger than an outside diameter of the middle section, wherein a smallest outside diameter of the first end section is larger than an outside diameter of the middle section, wherein the outer circumferential cross section of the first end section is in the form of a profile cross section, wherein the shaft element is of integral design, wherein the rotor arrangement has more than one contact ring, wherein an insulating ring which electrically insulates adjacent contact rings from one another is arranged between two adjacent contact rings in each case, and wherein a further electrically insulating ring is arranged on the middle section adjacent the flange.

US Pat. No. 10,116,109

THREADED LAMP SOCKET CONVERSION CONNECTOR

Rich Brand Industries Ltd...

1. A threaded lamp socket conversion connector, comprising,a metal shell having a metal contact point at top portion of said metal shell, an insulator surrounding the metal contact point, said metal shell further having a plurality of locking tabs at its bottom portion, said metal shell has circular outer threads along the outside surface,
a first terminal piece and a second terminal piece, and
a plastic main body for receiving and attaching to said metal shell and having a connection piece situated inside a connection port, said plastic main body further having a flange-like edge protrusion,
wherein the top end of the first terminal piece is in contact with said metal shell and the bottom end of said first terminal piece is inserted into the connection piece, and wherein the top end of the second terminal piece is in contact with the metal contact point, and the bottom end of said second terminal piece is inserted into the connection piece, the first terminal piece and the second terminal piece forming the positive and negative electrodes for the conversion lamp socket connector; and
wherein the plastic main body further comprises a cylindrical neck sized to snugly fit into the metal shell, said cylindrical neck further having a plurality of locking notches located near the edge protrusion, whereby said locking notches serve to receive the matching locking tabs of the metal shell and securing the plastic main body together with the metal shell.

US Pat. No. 10,116,108

TRACK-LIGHTING ADAPTER WITH UNIVERSAL HOUSING

Green Creative Ltd., Hon...

1. A track-light system comprising a universal housing for connecting to a light engine, the universal housing including at least two different sets of spaced electrical contacts that electrically couple to different configurations of matched electrical contacts on at least two different track-light adapter cap styles to form at least two different track-light adapter power units, wherein the at least two different track-light adapter cap styles have track studs with slide contacts that are electrically coupled to the matched electrical contacts and that slidably and electrically engage different power track styles to power the light engine.

US Pat. No. 10,116,107

CONNECTOR PRODUCTION METHOD AND CONNECTOR

JAPAN AVIATION ELECTRONIC...

1. A connector production method comprising:holding a flat plate conductor with a first insulator;
joining central portions of one or more contacts to the first insulator such that front end portions of the one or more contacts are exposed at a front part of the first insulator and rear end portions of the one or more contacts project from a rear part of the first insulator;
placing a shell made of metal over the first insulator such that the shell covers outer peripheral portions of the one or more contacts;
fixing and electrically connecting the shell to the flat plate conductor; and
forming a second insulator such that the second insulator closes the rear part of the first insulator and a rear part of the shell while the rear end portions of the one or more contacts project from the second insulator.

US Pat. No. 10,116,105

ILLUMINATED PRINTED CIRCUIT BOARDS FOR CONNECTORS

Apple Inc., Cupertino, C...

1. A tongue of an electrical connector, the tongue comprising:a light-emitting diode;
a first plurality of contacts on a top side of the tongue, each to form an electrical connection with a corresponding contact of a corresponding connector when the corresponding connector and the electrical connector are mated; and
a second plurality of contacts on a bottom side of the tongue, each to form an electrical connection with a corresponding contact of the corresponding connector when the corresponding connector and the electrical connector are mated,
wherein the tongue forms a light guide from the light-emitting diode to a front edge of the tongue such that light provided by the light-emitting diode passes below the first plurality of contacts and above the second plurality of contacts, the light exiting through the front edge of the tongue,
wherein the tongue is arranged to fit in an opening in the corresponding connector when the corresponding connector and the electrical connector are mated, and
wherein the light-emitting diode is located on the tongue.

US Pat. No. 10,116,104

ELECTRICAL CONNECTOR HAVING A SUB-HOUSING WITH A SHORT CIRCUIT TERMINAL

Yazaki Corporation, Mina...

1. A connector comprising:a connector housing that includes a plurality of terminal accommodation chambers;
a terminal that is accommodated in the terminal accommodation chamber;
a retainer portion that holds the accommodated terminal in the terminal accommodation chamber;
a short circuit terminal that makes at least two of the accommodated terminals be in a short-circuited state by coming into contact with the two accommodated terminals; and
a sub-housing on which the short circuit terminal is mounted,
wherein the connector housing includes a fitting portion which is open to the terminal accommodation chamber and to which the sub-housing is fitted in a direction orthogonal to a fitting direction of the connector housing to a counterpart connector housing, and
in the sub-housing, in a state where the sub-housing is fitted to the connector housing, the retainer portion is formed at a position of holding the terminal and the short circuit terminal is mounted at a position at which the short circuit terminal comes into contact with at least two of the terminals.

US Pat. No. 10,116,103

POWER CONNECTOR WITH INTEGRATED DISCONNECT

1. A connector comprising:a. a first half and a second half,
b. a first axis for the first half,
c. a second axis defined for the second half,
d. the first half being able to mate with the second half, and transmit a first group of n electrical signals across from the first half to the second half, and then to a second group of n electrical signals, when the first and the second axis are parallel, but separated by no more than a distance M, where n?1,
e. a first contact, attached to the first half and with its largest dimension perpendicular to the first axis as D, and mounted along the first axis,
f. a second contact, attached to the second half and with its largest dimension perpendicular to the second axis as d, and mounted along the second axis,
g. with (D+d)/2 h. a first electrical energy source having a first and a second terminal, with its first terminal connected to the first contact,
i. a first form-A relay with a first and second switching terminal, and with an energizing coil having a third and fourth terminal,
j. the third terminal of the first relay, connected to the second contact,
k. the second terminal of the first relay, connected to one of the electrical signals from the first group of n signals.

US Pat. No. 10,116,102

WIRING DEVICE COMPATIBLE WITH USER-INTERCHANGEABLE MODULES

Leviton Manufacturing Co....

1. A wiring device, comprising:a strap having mounting holes to facilitate fastening of the wiring device to an electrical box;
a housing having a face accessible when the wiring device is fastened to the electrical box, the face having an area divided into a first region and a second region, the second region of the face being configured to removably receive either one of a plurality of user-interchangeable modules selected from the group consisting of a Type A Universal Serial Bus (USB) module and a Type C USB module, wherein the Type A USB module includes a Type A USB port and the Type C USB module includes a Type C USB port, the Type A USB port and Type C USB port each configured to receive a respective male charging connector in electrical communication with an external device;
a first line voltage electrical outlet accessible through a first aperture on the first region of the face; and
a charging circuit in electrical communication with the one of the plurality of user-interchangeable modules, the charging circuit configured to:
receive characteristic information from the one of the plurality of user-interchangeable modules;
select one or more USB power delivery profiles based on the characteristic information; and
communicate the selected one or more USB power delivery profiles to the external device.

US Pat. No. 10,116,101

CABLE CONNECTOR ASSEMBLY HAVING A THERMISTOR AFFIXED TO A PROTECTIVE COVER AND METHOD OF MAKING THE CABLE CONNECTOR ASSEMBLY

FOXCONN INTERCONNECT TECH...

1. A cable connector assembly comprising:a mating unit;
a cable;
a printed circuit board (PCB) interconnected between the mating unit and the cable;
a protective cover and a thermistor affixed to the protective cover, the protective cover and the thermistor being mounted on the PCB;
a metal shell enclosing the PCB, a rear of the mating unit, and a front of the cable;
an insulative inner cover over-molding the PCB, the metal shell, the rear of the mating unit, and the front of the cable; and
an insulative outer cover over-molding the insulative inner cover; wherein
the thermistor is installed in series with a circuit and used to protect against overcurrent conditions; the thermistor is adhered to the protective cover, thereby permitting any expansion of the thermistor; wherein
the metal shell includes a first shell part and a second shell part fastened together; the first shell part and the second shell parts include main portions having extended arms to wrap around the mating unit, side portions cooperating with the main portions to surround the PCB, and linking portions extending from the corresponding side portions or main portions to fastening portions crimping the cable.

US Pat. No. 10,116,100

ELECTRICAL CONNECTOR

LOTES CO., LTD, Keelung ...

1. An electrical connector, comprising: an insulating body, having a base and a tongue extending forward from the base; a plurality of terminals, fixed in the base and exposed to upper and lower surfaces of the tongue, and comprising at least one ground terminal; a metal member fixed on the insulating body, wherein the metal member bends backward and extends to form an elastic arm, the elastic arm presses the at least one ground terminal, the elastic arm is provided with a protrusion portion, and the protrusion portion is higher than a top surface of the base; and a metal shell, wrapping a periphery of the insulating body and the metal member, the protrusion portion urging the metal shell, wherein the metal member has a first section located on the tongue, a second section located on the base, and a vertical section connecting the first section and the second section, the second section is higher than the first section, and the elastic arm extends backward from the second section.

US Pat. No. 10,116,099

DEVICES FOR BIASINGLY MAINTAINING A PORT GROUND PATH

PPC BROADBAND, INC., Eas...

1. A device for biasingly forming a first ground path between a collar portion and a post portion and biasingly forming a second ground path between the post portion and a coupler portion when a coaxial cable connector moves toward a port from a first port-engaged position to a second port-engaged position comprising:a biasing portion configured to biasingly urge the collar portion against the post portion of the coaxial cable connector so as to biasingly form a first electrical ground path between the coaxial cable connector and the port during operation of the coaxial cable connector when the coaxial cable connector moves toward the port from the first port-engaged position to the second port-engaged position;
wherein the biasing portion is configured to biasingly urge the post portion against the coupler portion of the coaxial cable connector so as to biasingly form the second ground path between the post portion and the coupler portion when the coaxial cable connector moves toward the port from the first port-engaged position to the second port-engaged position;
wherein the collar portion includes a flange portion configured to engage the post portion of the coaxial cable connector;
wherein the biasing portion is configured to at least partially encircle a first insulator body portion;
wherein the biasing portion includes a forward end configured to be biased against the collar portion and a rearward end configured to engage a second insulator body portion;
wherein the first insulator body portion is configured to be disposed in a first portion of an outer housing and engage the flange portion;
wherein the second insulator body portion is configured to be disposed in a second portion of the outer housing;
wherein the biasing portion is configured to bias the collar portion against the post portion of the coaxial cable connector when the coaxial cable connector is moved related to the outer housing so as to biasingly form the first electrical ground path between the coaxial cable connector and the port during operation of the coaxial cable connector when the coaxial cable connector moves toward the port from the first port-engaged position to the second port-engaged position;
wherein the biasing portion is configured to bias the post portion against the coupler portion when the coaxial cable connector is moved relative to the outer housing so as to biasingly form the second ground path between the post portion and the coupler portion when the coaxial cable connector moves toward the port from the first port-engaged position to the second port-engaged position;
wherein the biasing portion comprises a biasing member, the collar portion comprises a collar member, the post portion comprises a post member, and the coupler portion comprises a coupler member;
wherein the biasing member, the collar member, the post member, and the coupler member are each separate components from one another;
wherein the collar portion, the post portion, and the coupler portion are each conductive;
wherein the biasing portion is configured to biasingly restrain axial movement of the second insulator body portion relative to the second portion of the outer housing when the coaxial cable connector moves toward the port from the first port-engaged position to the second port-engaged position;
wherein the second portion of the outer housing includes a stopper portion configured to biasingly restrain axial movement of the second insulator body portion relative to the second portion of the outer housing when the coaxial cable connector moves toward the port from the first port-engaged position to the second port-engaged position;
wherein the biasing portion is configured to biasingly urge the post portion against the coupler portion of the coaxial cable connector so as to biasingly form the second ground path between the post portion and the coupler portion when the coaxial cable connector moves toward the port from the first port-engaged position to the second port-engaged position and before the cable connector has moved to a fully tightened position on the port;
wherein the port comprises a port assembly;
wherein the port assembly includes the collar portion;
wherein the port assembly includes the first and second insulator body portions;
wherein the port assembly includes the outer housing;
wherein the outer housing is configured to at least partially encircle the collar portion; and
wherein the coaxial cable connector comprises a coaxial cable connector assembly that includes the post portion and the coupler portion.

US Pat. No. 10,116,097

SHIELD TERMINAL AND OUTER CONDUCTOR TERMINAL

Sumitomo Wiring Systems, ...

1. A shield terminal, comprising:an inner conductor terminal;
a dielectric configured to accommodate the inner conductor terminal;
an outer conductor terminal configured to surround the dielectric;
a tubular fitting formed in a front end part of the outer conductor terminal in an axial direction;
a resilient contact having a rear end in the axial direction integrally connected to the tubular fitting; and
an interlocking region connected to the front end of the resilient contact and to areas of the tubular fitting offset circumferentially from the resilient contact so that the interlocking region is radially resiliently deflectable with a front end thereof being a free end, wherein
the tubular fitting is formed with a non-interlocking region offset from the resilient contact in a circumferential direction and spaced from the interlocking region in the circumferential direction by a slit.

US Pat. No. 10,116,096

INTERCONNECT SYSTEM WITH FRICTION FIT BACKSHELL

1. An interconnect system, comprising:a connector, the connector comprises a threaded distal coupling portion;
an adapter ring, the adapter ring comprises a threaded proximal coupling portion and a non-threaded distal coupling portion; and
a backshell, the backshell comprises a proximal coupling portion and a port;
wherein the threaded proximal coupling portion of the adapter ring and the threaded distal coupling portion of the connector are mechanically attached;
wherein the non-threaded distal coupling portion of the adapter ring is positioned within the proximal coupling portion of the backshell; and
wherein a wire bundle enters the backshell through the port, passes through the adapter ring, and terminates at the connector.

US Pat. No. 10,116,095

ELECTRICAL CONNECTOR WITH POSITION ASSURANCE DEVICE

Delphi Technologies, Inc....

1. An electrical connector, comprising;a first-housing having two parallel actuation-ribs extending from an outer-surface of the first-housing, said two parallel actuation-ribs aligned parallel to a longitudinal mating-axis of the electrical connector;
a second-housing configured to mate with the first-housing, said second-housing includes two opposing lugs projecting from a top-surface of the second-housing; and
a connector-position-assurance (CPA) device, said CPA device slideably mounted to the second-housing and moveable along the longitudinal mating-axis from a pre-stage-position to a latched-position, said CPA device includes two parallel latching-arms that engage the two opposing lugs at distal-ends of the two parallel latching-arms such that a movement of the CPA device is inhibited in the pre-stage-position, wherein the two parallel latching-arms are in a relaxed-state when in said pre-stage-position, wherein the two parallel actuation-ribs of the first-housing move beyond the two opposing lugs of the second-housing and disengage the two parallel latching-arms from the two opposing lugs by flexing the two parallel latching-arms into a stressed-state when the first-housing is mated with the second-housing, thereby enabling the CPA device to be moved from the pre-stage-position to the latched-position, and wherein the two parallel latching-arms return to the relaxed-state when in the CPA device is in the latched-position, wherein the CPA device further includes locking-ribs extending from an upper-surface of the CPA device, wherein the locking-ribs are configured to inhibit an actuation of an axial connector-lock when the CPA device is in the latched-position.

US Pat. No. 10,116,093

CONNECTOR DEVICE

Sumitomo Wiring Systems, ...

1. A connector device comprising:a motor case including a mounting hole;
a motor-side connector mounted in the mounting hole of the motor case and fixed to the motor case, the motor-side connector including a motor-side terminal;
an inverter case including a roof wall having opposite first and second surfaces and a support hole penetrating through the roof wall, the support hole including a small cross-section part adjacent the first surface and a large cross-section part adjacent the second surface, the large cross-section part having a specified depth from the second surface;
an inverter-side connector having an inverter-side terminal and a flange circumferentially provided on an outer surface of the inverter-side connector, the inverter side connector being mounted in the support hole of the inverter case with the flange mounted in the large cross-section part of the support hole; and
a bracket mounted to the second surface of the roof wall of the inverter case, the bracket having a lock hole surrounding a part of the inverter-side connector projecting from the second surface of the roof wall,
wherein:
the inverter case is configured to be coupled with the motor case so that the motor-side connector and the inverter-side connector are fit to each other,
the flange has a uniform thickness substantially equal to the depth of the large cross-section part of the support hole in the inverter case,
the lock hole of the bracket is smaller than an outer diameter of the flange of the inverter-side connector and larger than an outer cross-section of the part of the inverter-side connector surrounded by the lock hole, and
the flange is cross-sectionally larger than the small cross-section part of the support hole and smaller than the large cross-section part of the support hole so that the inverter-side connector is freely radially movable in the large cross-section part of the support hole without being separable from the support hole.