US Pat. No. 10,171,013

SERVOMOTOR CONTROL DEVICE

FANUC CORPORATION, Yaman...

1. A servomotor control device comprising:a position control loop for feedback controlling a position of a servomotor;
a speed control loop for feedback controlling speed of the servomotor;
a position command creation part that creates a position command value for the servomotor;
a stop determination part that determines whether or not the servomotor is stopped;
a static-friction correction amount calculation part that calculates a static-friction correction amount of the servomotor; and
a static-friction correction amount modification part that performs a predetermined modification on the static-friction correction amount calculated by the static-friction correction amount calculation part, in a case of the servomotor stopping, and then starting to operate in the same direction as prior to stopping,
wherein the static-friction correction amount modification part performs the predetermined modification based on the command acceleration of the servomotor and a second-order derivative of the position command value created by the position command creation part.

US Pat. No. 10,171,012

AIR CONDITIONER AND STARTUP CONTROL METHOD AND SYSTEM FOR OUTDOOR FAN OF THE AIR CONDITIONER

Guangdong Welling Motor M...

1. A method for starting control over an outdoor fan of an air conditioner, wherein a motor of the outdoor fan is driven by a driver, and the method for starting control over the outdoor fan of the air conditioner comprises the following steps of:when a bootstrap capacitor in the driver is charged, detecting an initial rotating state of the motor in real time; and
after the bootstrap capacitor is charged, correspondingly controlling the motor to be started according to the detected initial rotating state;
wherein the step of correspondingly controlling the motor to be started according to the detected initial rotating state comprises the following steps:
Step a: when the initial rotating state of the motor is pneumatic forward direction rotation, judging according to the rotating speed of the motor whether a motor observer converges;
executing Step e if the motor observer converges, or else executing Step d;
Step b: when the initial rotating state of the motor is stillness, performing positioning control over the motor, and executing Step d;
Step c: when the initial rotating state of the motor is pneumatic counter rotation, controlling the motor according to a constant deceleration to stop rotating, and executing Step d;
Step d: controlling the motor to perform accelerated rotation in a vector control mode; and
Step e: controlling the motor to enter into a conventional operation state in a vector control mode.

US Pat. No. 10,171,011

ELECTRIC TOOL

KOKI HOLDINGS CO., LTD., ...

1. An electric tool comprising:a motor configured to be driven by PWM controlling a semiconductor switching element;
a trigger configured to adjust startup and rotation of the motor;
a changeover switch configured to switch a rotation direction of the motor between a forward rotation and a reverse rotation;
a power transmission mechanism configured to rotate a tip tool by the motor; and
a controller configured to control rotation of the motor,
wherein in a state where the reverse rotation is set by the changeover switch,
the controller controls a duty ratio of the PWM control of the semiconductor switching element according to an operating amount of the trigger to drive the motor in a case that the operating amount of the trigger is less than a predetermined amount, and
the controller controls the semiconductor switching element at a high duty ratio to drive the motor in a case that the operating amount of the trigger is the predetermined amount or larger, and thereafter the controller restricts the duty ratio of the PWM control of the semiconductor switching element when the controller detects a predetermined state.

US Pat. No. 10,171,010

METHOD AND APPARATUS FOR GENERATING ENERGY USING PIEZO ELEMENTS

GSI HELMHOLTZZENTRUM FUER...

1. An energy-generating apparatus comprising:at least one magnetic field interaction device;
at least one magnetic field-generating apparatus configured to undergo linear, reciprocal movements relative to the at least one magnetic field interaction device so as to at least intermittently generate a magnetic field that varies over time; and
at least one energy-generating device including a piezo element device.

US Pat. No. 10,171,009

APPARATUS AND METHOD FOR LIFTING OBJECTS

SIEMENS AKTIENGESELLSCHAF...

1. An apparatus for lifting an object, comprising:a plurality of piezo actuators that expand in directions upon activation to thereby generate pressure forces on an active side of each piezo actuator;
a hydraulic transmission device configured to:
convert the pressure forces of the piezo actuators into a vertical pressure force to move the object in a direction counter to a direction of gravity; and
transmit said converted pressure forces with a transmission ratio; and
a spring system connected between the object and the hydraulic transmission device, the spring system providing a spring force counter to the vertical pressure force of the hydraulic transmission device.

US Pat. No. 10,171,008

VIBRATION WAVE MOTOR AND DRIVING APPARATUS USING THE VIBRATION WAVE MOTOR

Canon Kabushiki Kaisha, ...

1. A vibration wave motor, comprising:a vibrating plate having a rectangular surface;
a piezoelectric device bonded onto the vibrating plate, and configured to vibrate at high frequency; and
a projection provided on one of the vibrating plate and the piezoelectric device, wherein
a natural vibration mode, which has a resonant frequency equal to or adjacent to a resonant frequency of torsional vibration in a natural vibration mode under a state in which the vibrating plate, the piezoelectric device, and the projection are integrated, is a natural vibration mode of bending vibration in one of a direction parallel to and a direction orthogonal to a torsion center axis of the torsional vibration in the natural vibration mode, and
the projection is provided at a position closer to an antinode than to a node, the node and the antinode being in the direction orthogonal to the torsion center axis of the torsional vibration in the natural vibration mode.

US Pat. No. 10,171,007

METHOD OF MANUFACTURING A DEVICE WITH A CAVITY

TAIWAN SEMICONDUCTOR MANU...

18. A method, comprising:providing a substrate having a first sacrificial oxide region;
depositing a first porous layer over the first sacrificial oxide region, the first porous layer being permeable to a vapor hydrofluroic acid (HF) etchant;
depositing a second sacrificial oxide region over the first porous layer;
depositing a second porous layer over the second sacrificial oxide region, the second porous layer being permeable to the vapor HF etchant; and
selectively etching the first and second sacrificial oxide regions through the first and second porous layers using the vapor HF etchant.

US Pat. No. 10,171,006

POWER POLE INVERTER

Eaton Intelligent Power L...

1. An arm assembly comprising:a plurality of electrical components;
a number of electrical buses;
each electrical component coupled to, and in electrical communication with, one said electrical bus;
a sealing compound applied to each said electrical bus and to a limited number of said electrical components;
wherein said limited number of said electrical components having said sealing compound applied thereto are enclosed components and any component without said sealing compound applied thereto is an exposed component; and
wherein said enclosed components are substantially sealed from an atmosphere.

US Pat. No. 10,171,005

INVERTER CONTROL DEVICE

Daikin Industries, Ltd., ...

1. An inverter control device that controls a voltage source inverter that converts a DC voltage into three-phase AC voltages, whereinsaid voltage source inverter includes three current paths connected in parallel to one another between first and second DC bus lines to which said DC voltage is applied, in which the potential of the first DC bus line is higher than that of the second DC bus line,
each of said current paths includes:
a connecting point for the corresponding current path;
an upper arm-side switch that is connected between said first DC bus line and the connecting point of the corresponding current path and flows a current from said first DC bus line to the connecting point of the corresponding current path at a first time of conduction;
a lower arm-side switch that is connected between the connecting point of the corresponding current path and said second DC bus line and flows a current from the connecting point of the corresponding current path to said second DC bus line at a second time of conduction;
an upper arm-side diode connected in antiparallel to said upper arm-side switch; and
a lower arm-side diode connected in antiparallel to said lower arm-side switch, said inverter control device includes:
a switching signal generation unit that generates a switching signal that causes any one of said upper arm-side switches and said lower arm-side switch to conduct exclusively of each other in each of said current paths while maintaining conduction/nonconduction of said upper arm-side switch in one cycle of a triangular wave on the basis of comparison between said triangular wave and a plurality of voltage commands included in first and second voltage command groups; and
a voltage command generation unit that generates said first and second voltage command groups,
said triangular wave exhibits a minimum value twice, a first maximal value once, and a second maximal value once in said one cycle,
said first voltage command group corresponds to said switching signal in which, in a first section including a first point of time when sums of periods while said upper arm-side switches in a pair of said current paths conduct in said one cycle are equal to each other at zero, a period while said upper arm-side switches in all of said current paths are nonconductive in said one cycle is adjacently sandwiched by a pair of periods while all of said upper arm-side switches in the pair of said current paths are nonconductive and other of said upper arm-side switch conducts, and
said second voltage command group corresponds to said switching signal in which, in a second section exclusive of said first section and including a second point of time when sums of periods while said upper arm-side switches in a pair of said current paths conduct in said one cycle are equal to each other at non-zero, a period while said upper arm-side switches in all of said current paths conduct in said one cycle is adjacently sandwiched by a pair of periods while all of said upper arm-side switches in the pair of said current paths conduct and other of said upper arm-side switch is nonconductive.

US Pat. No. 10,171,004

DC-DC CONVERTER

MURATA MANUFACTURING CO.,...

1. A direct current-to-direct current converter comprising:an input configured to receive a direct-current voltage V1;
an output configured to output a direct-current voltage V2;
a first full-bridge circuit connected to the input;
a second full-bridge circuit connected to the output;
a transformer having a first winding connected to the first full-bridge circuit and a second winding connected to the second full-bridge circuit; and
a controller configured to perform switching control of the first full-bridge circuit,
wherein the first full-bridge circuit includes:
a first series circuit including first, second, third and fourth switching elements sequentially connected in series to each other,
a second series circuit connected in parallel to the first series circuit and including fifth, sixth, seventh and eighth switching elements sequentially connected in series to each other,
a first floating capacitor connected to a first node between the first and second switching elements and a second node between the third and fourth switching elements, and
a second floating capacitor connected to a third node between the fifth and sixth switching elements and a fourth node between the seventh and eighth switching elements,
wherein a first end of the first winding of the transformer is connected to a fifth node between the second and third switching elements and a second end of the first winding of the transformer is connected to a sixth node between the sixth and seventh switching elements, and
wherein the controller performs the switching control of the first full-bridge circuit in at least two modes including a full-bridge operation mode in which the first to eighth switching elements are controlled so that the direct-current voltage V1 is applied to the first and second ends of the first winding of the transformer and a half-bridge operation mode in which the first to eighth switching elements are controlled so that half of the direct-current voltage V1 is applied to the first and second ends of the first winding of the transformer.

US Pat. No. 10,171,003

CONTROLLING A SWITCHING RESONANT CONVERTER

STMICROELECTRONICS S.R.L....

1. A system, comprising:a converter including a transformer having a primary winding in a primary side of the transformer and a secondary winding in a secondary side of the transformer, the converter including a resonant tank in the primary side; and
a controller including:
a capacitance configured to be charged simultaneously using a first current and a second current that is different than the first current or discharged simultaneously using the first current and the second current;
sourcing and sinking transistors configured to source or sink the first current for charging or discharging the capacitance;
an operational transconductance amplifier configured to determine a level of the second current based on a level of current flowing through the resonant tank, and source or sink the second current for charging or discharging the capacitance; and
logic configured to output a switching signal for operating the converter based on a voltage across the capacitance.

US Pat. No. 10,171,002

SWITCHING POWER SUPPLY AND IMAGE FORMING APPARATUS

BROTHER KOGYO KABUSHIKI K...

1. A switching power supply comprising:a main power supply;
a rectifying-and-smoothing circuit configured to rectify an AC voltage supplying from the main power supply, and to smooth the rectified AC voltage by a smoothing capacitor;
a transformer connected to the rectifying-and-smoothing circuit;
a first switching element connected to a primary coil of the transformer;
a switch controller configured to perform switching-control the first switching element to oscillate the primary side of the transformer, thereby inducing a voltage to a secondary side of the transformer; and
a second switching element connected in series with the smoothing capacitor of the rectifying-and-smoothing circuit and configured to switch between on-and-off states of energization by a control signal that is to be output from the switch controller,
wherein the switch controller is configured to limit an on-time period of the second switching element by the control signal during an output stop mode in which the oscillation of the transformer is to be stopped.

US Pat. No. 10,171,001

AC-TO-DC POWER CONVERTER AND RELATED CONTROL CIRCUITS

RICHTEK TECHNOLOGY CORPOR...

1. An AC-to-DC power converter (100; 600; 700), comprising:a rectifier (101) arranged to operably generate a rectified voltage (Vin) based on an AC voltage (Vac);
an input capacitor (102), wherein a first terminal of the input capacitor (102) is coupled with an output terminal of the rectifier (101) to receive the rectified voltage (Vin) while a second terminal of the input capacitor (102) is coupled with a fixed-voltage terminal;
a first inductive element (103; 603; 703);
a first auxiliary capacitor (108);
a first switch (111), wherein a first terminal of the first switch (111) is coupled with the first terminal of the input capacitor (102) while a second terminal of the first switch (111) is coupled with a first terminal of the first inductive element (103; 603; 703);
a second switch (112), wherein a first terminal of the second switch (112) is coupled with a second terminal of the first inductive element (103; 603; 703) while a second terminal of the second switch (112) is coupled with the fixed-voltage terminal;
a circuitry node (113);
an auxiliary switch (114) for coupling between the circuitry node (113) and the first auxiliary capacitor (108) or between the first auxiliary capacitor (108) and the fixed-voltage terminal;
a first diode (115) for coupling between the first terminal of the second switch (112) and the circuitry node (113);
a second diode (116) for coupling between the circuitry node (113) and the first terminal of the first switch (111);
a control signal generating circuit (118) for coupling with a control terminal of the first switch (111) and a control terminal of the second switch (112), and arranged to operably generate a power switch control signal (S1) to control the first switch (111) and the second switch (112); and
an auxiliary switch control circuit (119), coupled with the control signal generating circuit (118), and arranged to operably generate an auxiliary switch control signal (S2) based on the power switch control signal (S1) to control the auxiliary switch (114);
wherein during a first time period (T1) that a cross voltage (Vc) of the input capacitor (102) is higher than a node voltage (Vk) at the circuitry node (113), when the control signal generating circuit (118) utilizes the power switch control signal (S1) to switch each of the first switch (111) and the second switch (112) from a turned-on status to a turned-off status, the auxiliary switch control circuit (119) first utilizes the auxiliary switch control signal (S2) to maintain the auxiliary switch (114) in a turned-on status for a first length of time and then turns off the auxiliary switch (114).

US Pat. No. 10,171,000

REDUCTION OF AUDIBLE NOISE IN A POWER CONVERTER

Power Integrations, Inc.,...

1. A controller for use in a power converter, comprising:a drive circuit coupled to generate a drive signal to control switching of a power switch of the power converter to control a transfer of energy from an input of the power converter to the output of the power converter, wherein the drive circuit generates the drive signal in response to a current sense signal representative of a current through the power switch, a current limit signal, a frequency skip signal, and a hold signal;
a current limit generator coupled to generate the current limit signal in response to a load coupled to the output of the power converter;
a frequency detection circuit coupled to generate the frequency skip signal in response to the drive signal to indicate when an intended frequency of the drive signal is within a frequency window such that the current limit signal is coupled to remain fixed for at least a switching cycle when the frequency skip signal indicates that the intended frequency of the drive signal is within the frequency window; and
a first latch coupled to generate the hold signal to control the current limit generator to hold the current limit signal, wherein the first latch is coupled to generate the hold signal in response to the frequency skip signal, and in response to a feedback signal representative of the output of the power converter.

US Pat. No. 10,170,997

SWITCHING POWER SUPPLY APPARATUS

DENSO CORPORATION, Kariy...

1. A switching power supply apparatus comprising:a main circuit including a switching element and an inductor, the switching element turning on to increase a current flowing in the inductor when a driving signal changes to an on-level and turning off to recirculate the current flowing in the inductor to an output side when the driving signal changes to an off-level;
a current detection circuit for outputting a current detection signal corresponding to the current flowing in the inductor through the switching element;
a voltage detection circuit for outputting a detection voltage corresponding to an output voltage of the main circuit;
an error amplification circuit for outputting an error signal in accordance with a difference between a reference voltage corresponding to a target output voltage of the main circuit and the detection voltage;
a PWM signal generation circuit for performing a current mode control to set a PWM signal to the on-level in synchronization with a clock signal and set the PWM signal to the off-level in synchronization with a normal reset signal, which changes a level when the current detection signal reaches the error signal;
a driver circuit for outputting the driving signal in response to the PWM signal;
a switching determination circuit for checking whether the output voltage reached a switching determination voltage higher than the target output voltage; and
a reset signal generation circuit for generating a reset signal for a short-pulse operation, which is delayed by a predetermined delay period from a time point of a change of the PWM signal to the on-level,
wherein the PWM signal generation circuit changes the PWM signal to the off-level in synchronization with the reset signal for short-pulse operation in place of the normal reset signal when the switching determination circuit determines that the output voltage reached the switching determination voltage.

US Pat. No. 10,170,995

MULTIPHASE POWER CONVERTER

Dialog Semiconductor (UK)...

1. A multiphase power converter comprising a first and a second constituent switched-mode power converter, whereinthe first constituent switched-mode power converter is configured to provide, both in a first mode of operation and in a second mode of operation, a first phase current to an output of the multiphase power converter,
the second constituent switched-mode power converter is configured to provide, in the second mode of operation, a second phase current to the output of the multiphase power converter, and
the multiphase power converter is configured to switch, depending on an operation condition of the multiphase power converter, between the first mode of operation and the second mode of operation, and configured to adapt a first transconductance of the first constituent switched-mode power converter when switching between the first mode of operation and the second mode of operation.

US Pat. No. 10,170,994

VOLTAGE REGULATORS FOR AN INTEGRATED CIRCUIT CHIP

ADVANCED MICRO DEVICES, I...

1. An apparatus that controls voltages, comprising:an integrated circuit chip comprising a set of circuits;
a switching voltage regulator separate from the integrated circuit chip;
a plurality of low dropout (LDO) regulators fabricated on the integrated circuit chip, wherein the switching voltage regulator provides an output voltage that is received as an input voltage by each of the plurality of LDO regulators and wherein each LDO regulator of the plurality of LDO regulators provides a local output voltage, each local output voltage received as a local input voltage by a different subset of circuits in the set of circuits; and
a controller configured to:
for each LDO regulator, identify the local output voltage to be provided by the LDO regulator;
based on the local output voltage to be provided by each of the LDO regulators, identify the output voltage to be provided by the switching voltage regulator; and
configure the switching voltage regulator to provide the output voltage and each LDO regulator to provide the local output voltage to be provided by the LDO regulator.

US Pat. No. 10,170,993

CONTROL SYSTEM FOR TRANSITIONING A DC-DC VOLTAGE CONVERTER FROM A BUCK OPERATIONAL MODE TO A SAFE OPERATIONAL MODE

LG Chem, Ltd., Seoul (KR...

1. A control system for transitioning a DC-DC voltage converter from a buck operational mode to a safe operational mode, the DC-DC voltage converter having a high voltage switch, a low voltage switch, and a DC-DC voltage converter control circuit with a high side integrated circuit and a low side integrated circuit therein, the DC-DC voltage converter control circuit being electrically coupled between the high voltage switch and the low voltage switch; the high side integrated circuit having a first plurality of FET switches therein, the low side integrated circuit having a second plurality of FET switches therein, comprising:a microcontroller having a first application and a second application;
the first application commanding the microcontroller to generate a first control signal that is received at a first input pin on the high side integrated circuit to command the high side integrated circuit to transition each of the first plurality of FET switches therein to an open operational state, the first control signal being further received at a first input pin on the low side integrated circuit to command the low side integrated circuit to transition each of the second plurality of FET switches therein to the open operational state; and
the second application commanding the microcontroller to generate a second control signal that is received at a second input pin on the high side integrated circuit to command the high side integrated circuit to transition each of the first plurality of FET switches therein to the open operational state, the second control signal being further received at a second input pin on the low side integrated circuit to command the low side integrated circuit to transition each of the second plurality of FET switches therein to the open operational state.

US Pat. No. 10,170,992

ADAPTIVE AMPLIFICATION ACTIVE FILTER FOR DIVIDER-LESS HIGH FREQUENCY DC-DC CONVERTERS

Dialog Semiconductor (UK)...

1. A power converter for performing power conversion and for generating an output voltage in accordance with a reference voltage for the output voltage, the power converter comprising:a filter circuit for filtering the output voltage of the power converter;
an error amplifier circuit that receives the reference voltage as a first input voltage and receives the filtered output voltage as a second input voltage, for comparing the first input voltage and the second input voltage and for generating an error voltage in accordance with a result of the comparison; and
a driver circuit for driving one or more switching devices in dependence on the error voltage;
wherein the error amplifier circuit comprises:
a first differential circuit that receives the first input voltage and the second input voltage as inputs and a first bias current generation circuit for generating a first bias current for the first differential circuit;
a second differential circuit that receives the first input voltage and the second input voltage as inputs and a second bias current generation circuit for generating a second bias current for the second differential circuit; and
a bias current redistribution circuit for redistributing at least part of the first bias current to the second differential circuit or redistributing at least part of the second bias current to the first differential circuit.

US Pat. No. 10,170,991

CONTROL CIRCUIT AND CONTROL METHOD FOR A VOLTAGE CONVERTER

Silergy Semiconductor Tec...

1. A control circuit for a voltage converter having a plurality of input voltage signals and one output voltage signal, the control circuit comprising:a) a logic control circuit configured to receive an operation signal, and to generate an enable signal, a trigger signal, and an order signal;
b) a feedback control circuit configured to receive said plurality of input voltage signals, and said output voltage signal, and to generate a plurality of feedback control signals according to said enable signal, said trigger signal, and said order signal; and
c) a channel selection circuit configured to receive said order signal and said plurality of feedback control signals, and to generate a plurality of control signals to control switches in said voltage converter.

US Pat. No. 10,170,990

METHODS AND APPARATUS FOR A SINGLE INDUCTOR MULTIPLE OUTPUT (SIMO) DC-DC CONVERTER CIRCUIT

University of Virginia Pa...

1. A method, comprising:receiving information related to one or more of a processing power demand and an available energy level of an integrated circuit (IC) that includes a single-inductor multiple-output (SIMO) direct current-direct current (DC-DC) converter circuit and a panoptic dynamic voltage scaling (PDVS) circuit operatively coupled to the SIMO DC-DC converter circuit,
the SIMO DC-DC converter circuit having a plurality of output nodes, each output node from the plurality of output nodes being uniquely associated with a supply voltage rail from a plurality of supply voltage rails, and
the PDVS circuit having a plurality of operational blocks; and
operating the PDVS circuit such that each operational block from the plurality of operational blocks draws power from one supply voltage rail from the plurality of supply voltage rails.

US Pat. No. 10,170,989

METHODS FOR FABRICATING AN INTEGRATED CIRCUIT WITH A VOLTAGE REGULATOR

SKYWORKS SOLUTIONS, INC.,...

1. A method of fabricating an integrated circuit, the method comprising:forming a primary regulator on a semiconductor substrate, including fabricating a switch, fabricating an amplifier for controlling the switch, and fabricating a voltage generator for biasing the amplifier to operate the primary regulator in a bypass mode or in a regulating mode, including forming a first stack of transistors that generate one or more bias voltages of the amplifier and forming a second stack of transistors that mirror a current through the first stack to generate a reference voltage of the amplifier;
forming an input terminal and an output terminal of the primary regulator on the semiconductor substrate;
forming a secondary regulator on the substrate;
forming an input terminal and an output terminal of the secondary regulator on the semiconductor substrate; and
forming an electrical connection between the output terminal of the primary regulator and the input terminal of the secondary regulator.

US Pat. No. 10,170,988

POWER SUPPLY SYSTEM

TOYOTA JIDOSHA KABUSHIKI ...

1. A power supply system comprising:an electric power line connected to a load;
a plurality of DC power supplies;
a power converter connected across said plurality of DC power supplies and said electric power line; and
a control device configured to control operation of said power converter, said power converter including a plurality of switching elements and being configured to control an output voltage on said electric power line by operating with one of a plurality of operation modes different in mode of power conversion between said plurality of DC power supplies and said electric power line applied,
said plurality of operation modes including
a first operation mode in which power distribution between said plurality of DC power supplies is controllable through said power converter, and
a second operation mode in which power distribution between said plurality of DC power supplies is determined in a fixed manner through said power converter,
said control device including
a mode selection unit configured to select an operation mode from among said plurality of operation modes in accordance with conditions of said load and said plurality of DC power supplies, and
an operation mode switching control unit configured to, when a present operation mode currently applied to said power converter and an operation mode after transition selected by said mode selection unit are different, control switching from said present operation mode to said operation mode after transition,
when said present operation mode is said first operation mode and said operation mode after transition is said second operation mode, said operation mode switching control unit controlling, in said first operation mode, power distribution between said plurality of DC power supplies to be performed at a power distribution ratio in a case where said operation mode after transition is applied, and then executing switching to said operation mode after transition,
wherein when electric power of each of said DC power supplies in accordance with the power distribution ratio in the case where said operation mode after transition is applied reaches a limiting value for each of said DC power supplies, said operation mode switching control unit prohibits switching to the operation mode after transition.

US Pat. No. 10,170,987

CONTROL CIRCUIT OF POWER CONVERTER WITH INTERNAL SIGNAL GENERATOR AND RELATED METHOD

RICHTEK TECHNOLOGY CORPOR...

1. A control circuit (110; 710) of a power converter (100; 700; 800; 900), the power converter (100; 700; 800; 900) comprising an inductor (120), a first power switch (130), and a feedback circuit (160), wherein the first power switch (130) is utilized for controlling the inductor (120) to store or release energy to convert an input signal (VIN) into an output signal (VOUT), and the feedback circuit (160) is utilized for generating a feedback signal (VFB) corresponding to a magnitude of the output signal (VOUT), the control circuit (110; 710) comprising:a comparing circuit (111) comprising a first input terminal and a second input terminal and configured to operably generate a comparison signal (CMP) according to signals received by the first input terminal and the second input terminal, wherein the first input terminal is utilized for coupling with a reference signal (VREF) while the second input terminal is utilized for coupling with the feedback signal (VFB);
a periodic signal generating circuit (113), coupled with the comparing circuit (111), configured to operably generate a periodic signal (RAMP) and apply the periodic signal (RAMP) to the first input terminal or the second input terminal of the comparing circuit (111); and
a control signal generating circuit (115), coupled with the comparing circuit (111), configured to operably control an on time of the first power switch (130) according to the comparison signal (CMP);
wherein the periodic signal generating circuit (113) is further configured to operably clamp a limit of the periodic signal (RAMP) to a predetermined value, but does not configure a slope of the periodic signal (RAMP) to be zero when there is no current passing through the inductor (120);
wherein the periodic signal generating circuit (113) comprises:
an internal signal generator (200), coupled with the control signal generating circuit (115), configured to operably generate a first internal signal (VR1);
an upper limit clamping circuit (240), coupled with the internal signal generator (200), configured to operably clamp an upper limit of the first internal signal (VR1) to a first predetermined value; and
a lower limit clamping circuit (250), configured to operably clamp a lower limit of the first internal signal (VR1) to a second predetermined value smaller than the first predetermined value to form the periodic signal (RAMP);
wherein the control signal generating circuit (115) controls the internal signal generator (200) to reduce a magnitude of the first internal signal (VR1) to zero when turns on the first switch circuit (230).

US Pat. No. 10,170,986

HYBRID BUCK

Dialog Semiconductor (UK)...

1. A Hybrid Buck switching converter, comprising:one or more peak-mode phases and
one or more valley-mode phases,
wherein said peak-mode phases and said valley-mode phases are in use at the same time, in a multiphase converter, and configured to have coil currents controlled by a common control signal from an operational transconductance amplifier (OTA), using a peak current servo.

US Pat. No. 10,170,985

APPARATUS FOR CURRENT ESTIMATION OF DC/DC CONVERTER AND DC/DC CONVERTER ASSEMBLY

NATIONAL CHUNG SHAN INSTI...

1. An apparatus for current estimation of a DC/DC converter, comprising:a current sensing unit for sensing a current passing through a switch of the DC/DC converter and converting the current into a voltage signal;
a signal sampling unit, coupled to the current sensing unit, for sampling the voltage signal so as to output a sampled signal; and
a current estimator, coupled to the signal sampling unit, for determining a signal indicating estimated magnitude of an inductor current of the DC/DC converter, based on the sampled signal, a scale factor of the current sensing unit, a duty ratio of a driving signal for controlling the switch, an input voltage and an output voltage of the DC/DC converter,
wherein the signal sampling unit is configured to be synchronized to the driving signal, and the signal sampling unit samples the voltage signal at a middle of each ON period of the driving signal so as to output the sampled signal.

US Pat. No. 10,170,984

SWITCHED MODE POWER CONVERTER WITH PEAK CURRENT CONTROL

INFINEON TECHNOLOGIES AUS...

17. A power converter, comprising:an electronic switch connected in series with an inductor; and
a controller configured to operate the power converter in one of a first operation mode and a second operation mode and, in each of the first operation mode and the second operation mode, to drive the electronic switch in a plurality of successive drive cycles based on a drive parameter such that each of the plurality of successive drive cycles comprises an on-time in which the electronic switch is switched on and an off-time in which the electronic switch is switched off,
wherein the drive parameter is one of a duration of the drive cycle or a duration of the off-time,
wherein the drive parameter is predefined in the first operation mode, and
wherein the controller is configured to increase the drive parameter in the second operation mode as compared to the first operation mode such that a duration of the on-time in the second operation mode is above a predefined duration threshold.

US Pat. No. 10,170,983

DRIVING DEVICE

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

1. A load driver comprising:a voltage step-up and -down DC/DC converter controller block which controls a voltage step-up and -down DC/DC converter that generates an output voltage from an input voltage and feeds the output voltage to a load,
wherein the voltage step-up and -down DC/DC converter comprises:
a first switch of which a first terminal is connected to an application terminal of the input voltage, the first switch being an N-channel type field effect transistor;
a first diode of which a cathode is connected to a second terminal of the first switch and of which an anode is connected to a ground terminal;
an inductor of which a first terminal is connected to the second terminal of the first switch;
a second switch of which a first terminal is connected to a second terminal of the inductor and of which a second terminal is connected to the ground terminal;
a second diode of which an anode is connected to the second terminal of the inductor and of which a cathode is connected to a first terminal of the load;
a capacitor of which a first terminal is connected to the application terminal of the input voltage and of which a second terminal is connected to the ground terminal; and
a boot strap capacitor of which a first terminal is connected to the cathode of the first diode, and
wherein the voltage step-up and -down DC/DC converter controller block comprises:
a boot strap terminal arranged to be connected to a second terminal of the boot strap capacitor,
an output terminal arranged to be connected to a gate of the first switch,
a switching terminal arranged to be connected to the first terminal of the boot strap capacitor,
a constant voltage generation portion arranged to generate a constant voltage from a node voltage of a connection node disposed between the first terminal of the capacitor and the application terminal of the input voltage;
a first driver of which an upper power supply node is connected to the boot strap terminal, of which a lower power supply node is connected to the switching terminal, of which an output node is connected to the output terminal, and arranged to generate a first gate voltage of the first switch so as to turn the first switch on and off; and
a second driver arranged to generate a second gate voltage of the second switch so as to turn the second switch on and off, the driver further arranged to receive the constant voltage as a power supply voltage, a high level of the gate voltage of the second switch being the constant voltage, and wherein
the boot strap terminal, the output terminal and the switching terminal are arranged in the recited order.

US Pat. No. 10,170,982

CONTINUOUS COMPARATOR WITH IMPROVED CALIBRATION

1. A circuit comprising:a power switch;
a continuous comparator that monitors a current across the power switch;
a dynamic comparator which shares inputs of the continuous comparator;the dynamic comparator being adapted to provide a logic signal;a calibration control adapted to calibrate the continuous comparator;
wherein a clock for the dynamic comparator is coupled with a control signal for changing a state of the power switch; and
wherein the calibration control comprises a counter coupled with an output of the dynamic comparator and one of a variable comparator offset or a variable propagation delay that is directly connected to the continuous comparator; the counter being adapted to receive the logic signal;
wherein the counter operates to increment or decrement the variable comparator offset or the variable propagation delay.

US Pat. No. 10,170,981

CONFIGURABLE BI-DIRECTIONAL CHARGE PUMP DESIGN

Akustica, Inc., Pittsbur...

1. A bi-directional charge pump cell comprising:a p-type substrate having a main surface;
a first n-well formed in the p-type substrate, the first n? well including n+ doped regions formed in the first n? well at the main surface;
a first p-well formed in the first n? well, the first p? well including p+ doped regions formed in the first p-well at the main surface;
a second n-well formed in the first p-well, the second n-well including n+ doped regions and p regions formed at the main surface, the p regions forming p-type metal-oxide semiconductor (PMOS) transistors;
a second p-well formed in the first n-well, the second p-well including p+ doped regions formed in the second p-well at the main surface; and
a third p-well defined in the second p-well, the third p-well including p+ doped regions and n regions at the main surface, the n regions forming n-type metal-oxide semiconductor (NMOS) transistors.

US Pat. No. 10,170,980

METHOD FOR SYNCHRONIZING POWER CHARGE-PUMP WITH SYSTEM CLOCK

Dialog Semiconductor (UK)...

1. A power management integrated circuit (PMIC), comprising:a.) a system clock;
b) a PMIC control circuit configured to synchronize a charge-pump with the system clock;
c.) in phase detection and latch circuitry for synchronization and resynchronization of said system clock with said charge-pump;
d.) phase control multiplexers and associated delay circuitry for said self-oscillation; and
e.) a finite state machine for latching said phase and phase transitions,
wherein said charge-pump is configured to self-oscillate and no longer use said system clock, providing continuous phase at a first transition from clock sync-mode to self-oscillate, and
wherein said charge-pump is configured to swap from said self-oscillating and resynchronize with said system clock, providing continuous phase when a second transition from self-oscillate back to clock sync-mode is made.

US Pat. No. 10,170,979

POINT OF LOAD REGULATOR SYNCHRONIZATION AND PHASE OFFSET

International Business Ma...

1. An electronic system including at least three point of load (POL) regulators that supply a regulated voltage to a component within the electronic system, the electronic system comprising:a master POL regulator that operates under a reference phase and communicates a first SYNC OUT signal that is offset from the reference phase by a first phase offset to a first controlled POL regulator and communicates a second SYNC OUT signal that is offset from the reference phase by a second phase offset to a second controlled POL regulator.

US Pat. No. 10,170,978

SIGNAL TRANSMISSION CIRCUIT

DENSO CORPORATION, Kariy...

1. A signal transmission circuit comprising a transmission apparatus and a reception apparatus which are insulated from each other and between which a signal indicative of predetermined information is transmitted via an insulation element,wherein the transmission apparatus includes a first transmission unit transmitting a first signal indicative of first information based on the number of pulses consecutively outputted with a predetermined period and each having a first waveform with a duty cycle of less than 100% with respect to the period and a second transmission unit transmitting a second signal indicative of second information based on a pulse having a longer wavelength than the first waveform,
wherein the first transmission unit transmitting the first signal to the reception apparatus and the second transmission unit transmitting the second signal to the reception apparatus, via the insulation element common to the first transmission unit and the second transmission unit, and
wherein the second transmission unit transmits the second signal in synchrony with the pulse having the first waveform, and transmits the second signal indicative of the second information using a pulse having a wavelength which is longer than the first waveform and which is shorter than a period during which the pulse having the first waveform is consecutively outputted.

US Pat. No. 10,170,977

SUPPLEMENTAL CIRCUIT FOR POWER SUPPLY WITH POWER MANAGEMENT IC

Shenzhen China Star Optoe...

1. A supplemental circuit for a power supply equipped with a power management integrated circuit (PMIC), comprising:a detection circuit producing input signals;
a switch;
a signal generation circuit producing a control signal controlling the switch's open and close according to the input signals; and
a RC circuit;
wherein when the switch is closed, the PMIC and the RC circuit are series-connected to ground;
wherein the detection circuit comprises:
a first detection sub-circuit detecting an input current to the power supply and, according to the detected input current, producing a first input signal for controlling the switch's open and close;
a second detection sub-circuit detecting an output current from the power supply and, according to the detected output current, producing a second input signal for controlling the switch's open and close; and
a third detection sub-circuit detecting a mode of a display device incorporating the power supply and, according to the detected mode, producing a third input signal for controlling the switch's open and close;
wherein the signal generation circuit produces the control signal controlling the switch's open and close according to the first, second, and third input signals.

US Pat. No. 10,170,976

PHASE COMPENSATION METHOD FOR POWER FACTOR CORRECTION CIRCUIT

DELTA ELECTRONICS (THAILA...

1. A method for phase compensating a power factor correction circuit, the power factor correction circuit comprising a switching circuit and a control unit and receiving an input voltage and an input current, the switching circuit being alternately turned on or turned off to generate an output voltage and an output current under control of the control unit, the control unit comprising a low-pass filter, a differential controller and a cosine multiplier, the low-pass filter continuously receiving a sampled signal that reflects a present current value of the input current, the method comprising steps of:(a) the low-pass filter filtering the sampled signal;
(b) the differential controller predicting a present waveform of the input current corresponding to the present current value of the filtered sampled signal and a previous waveform of the input current corresponding to a previous current value of the filtered sampled signal and generating a current error signal according to a difference between the present waveform and the previous waveform;
wherein the differential controller stores a compensation factor;
wherein in the step (b), the difference between the present waveform and the previous waveform is multiplied by the compensation factor, so that the current error signal is generated;
(c) the cosine multiplier adjusting the current error signal, thereby generating an adjusted signal;
(d) adding a feedforward signal to the adjusted signal, thereby generating a phase compensation signal; and
(e) adding a current control signal to the phase compensation signal, thereby
generating a pulse width modulation signal to control the switching circuit.

US Pat. No. 10,170,974

VARIABLE FREQUENCY AND BURST MODE OPERATION OF PRIMARY RESONANT FLYBACK CONVERTERS

Apple Inc., Cupertino, C...

1. A primary resonant flyback converter comprising:a primary winding;
a secondary winding magnetically coupled to the primary winding and electrically coupled to an output rectifier, and an output terminal;
a resonant capacitor coupled in series with the primary winding;
a main switch configured to switch on to energize the primary winding and resonant capacitor from a DC voltage bus and to switch off to transfer energy stored in the primary winding to the secondary winding;
an auxiliary switch configured to switch on during an off time of the main switch thereby allowing a resonant current to circulate through the primary winding and the resonant capacitor; and
a control circuit configured to:
vary a duty cycle of the main switch and the auxiliary switch to produce a desired voltage at the output terminal; and
vary a switching frequency of the main switch and the auxiliary switch responsive to a change in output load on the primary resonant flyback converter in combination with at least one of an input voltage into the primary resonant flyback converter and a DC bus voltage of the primary resonant flyback converter.

US Pat. No. 10,170,973

SYNCHRONOUS RECTIFIER CIRCUIT AND SWITCHING POWER SUPPLY APPARATUS

FUJITSU LIMITED, Kawasak...

1. A synchronous rectifier circuit used in a switching power supply apparatus that performs synchronous rectification, the synchronous rectifier circuit comprising:a transistor configured to perform switching operation in accordance with a control voltage applied to a first terminal; and
a control circuit configured to include a second terminal and apply the control voltage to the first terminal, the second terminal being connected to a capacitor which stores electric charge to be supplied to the first terminal and being applied with a first direct-current voltage obtained through synchronous rectification and equal to or smaller than a withstand voltage of a gate of the transistor as well as equal to or larger than a threshold voltage of the transistor, a maximum value of the control voltage being the first direct-current voltage.

US Pat. No. 10,170,972

HALBACH ARRAY AND MAGNETIC SUSPENSION DAMPER USING SAME

SHANGHAI MICRO ELECTRONIC...

1. A Halbach magnetic array, comprising a plurality of first and second magnetic units alternately arranged in a width direction of the array, wherein:each of the plurality of first magnetic units comprises a plurality of first magnetic groups and first magnetic columns alternately arranged in a length direction of the array, each of the plurality of first magnetic groups includes four first magnetic bars arranged in a 2*2 matrix;
each of the plurality of second magnetic units comprises a plurality of second magnetic groups and second magnetic columns alternately arranged in the length direction of the array, each of the plurality of second magnetic groups includes four second magnetic bars arranged in a 2*2 matrix;
each of the plurality of first magnetic columns is magnetized in a height direction of the array, and each of the plurality of second magnetic columns is magnetized in a direction opposite to the height direction of the array.

US Pat. No. 10,170,971

DUAL POLE DUAL BUCKING MAGNET LINEAR ACTUATOR

Oracle International Corp...

1. A linear actuator comprising:a magnet assembly, the magnet assembly comprising:
a central magnet comprising a north pole and a south pole;
a pair of bucking magnets disposed on opposite ends of the central magnet, the pair of bucking magnets comprising a first bucking magnet and a second bucking magnet;
wherein the first bucking magnet is disposed adjacent to the central magnet such that a north pole of the first bucking magnet faces the north pole of the central magnet;
wherein the second bucking magnet is disposed adjacent to the central magnet such that a south pole of the second bucking magnet faces the south pole of the central magnet;
a coil-and-housing assembly, the coil-and-housing assembly comprising:
first coil portion disposed around a first portion of the central magnet and at least a portion of the first bucking magnet;
a second coil portion disposed around a second portion of the central magnet and at least a portion of the second bucking magnet;
a housing disposed around both the first coil portion and the second coil portion, the housing comprising (a) an inner wall facing the first coil portion and the second coil portion and (b) an outer wall;
wherein a current flowing in the first coil portion is in an opposite direction of a current flowing in the second coil portion.

US Pat. No. 10,170,970

STEPPER MOTOR

SANYO DENKI CO., LTD., T...

1. A stepper motor comprising:a rotor including a rotor core and a permanent magnet, the rotor core including a plurality of teeth; and
a stator arranged around the rotor while being spaced apart from the rotor and including eight magnetic poles, each of the magnetic poles including a plurality of teeth and projecting toward the rotor, wherein
a winding is wound around every other magnetic poles, and
a phase of the teeth of a pair of magnetic poles opposing each other and having no winding therearound is shifted by 180 degrees from a phase of the teeth of other pair of magnetic poles opposing each other and having no winding therearound.

US Pat. No. 10,170,969

POWER GENERATION DEVICE

Panasonic Intellectual Pr...

1. A power generation device comprising:a first magnet member;
a second magnet member having its N-pole reversely disposed to an N-pole of the first magnet member;
a center yoke capable of horizontally shifting and disposed between the first magnet member and the second magnet member;
a coil disposed at an outer circumference of the center yoke;
a drive member horizontally shifting while holding the first magnet member and the second magnet member; and
a fixing part, wherein
the drive member and the center yoke horizontally shift in a first direction,
after the horizontal shift of the center yoke in the first direction stops, the drive member further horizontally shifts in the first direction, and the center yoke horizontally shifts in a second direction opposite to the first direction,
the center yoke has a restriction-target part,
the fixing part is disposed in the restriction-target part,
a clearance exists between the restriction-target part and the fixing part, and
when the fixing part and the restriction-target part are brought into contact with each other, the horizontal shifting of the center yoke in the first direction stops.

US Pat. No. 10,170,968

VIBRATION MOTOR

AAC TECHNOLOGIES PTE. LTD...

1. A vibration motor, comprising:a housing having a receiving space;
a vibration unit accommodated in the receiving space, the vibration unit including a main weight, a main pole plate, a main magnet carried by the main pole plate, an auxiliary weight, an auxiliary pole plate, and an auxiliary magnet carried by the auxiliary pole plate, the main weight comprising a first weight, and a second weight opposed to and apart from the first weight;
a plurality of elastic members suspending the vibration unit in the receiving space; wherein
the main magnet is sandwiched between the first and second weights, and two ends of the main pole plate are respectively connected to the first weight and the second weight.

US Pat. No. 10,170,967

VIBRATION MOTOR

AAC TECHNOLOGIES PTE. LTD...

1. A vibration motor comprising:a housing;
an elastic connecting piece accommodated in the housing;
a fixed component;
a vibrating component suspended in the housing by the elastic connecting piece;
one of the fixed component and the vibrating component including a coil, and the other one of the fixed component and the vibrating component including a magnet; and
a damping piece integrated with the elastic connecting piece, wherein the elastic connecting piece comprises a first connecting part connecting with the vibrating component, a second connecting part connecting with the housing, and a middle connecting part connecting the first connecting part with the second connecting part, the damping piece is coated in a periphery of the middle connecting part.

US Pat. No. 10,170,966

VIBRATION MOTOR

AAC TECHNOLOGIES PTE. LTD...

1. A vibration motor, comprising:a housing forming an accommodation space, the housing including a first side wall extending along a vibration direction of the vibration motor and a second side wall connecting with the first side wall and extending along a direction vertical to vibration direction;
a vibration system accommodated in the accommodation space, the vibration system having an end surface arranged opposite to the second side wall;
an elastic part suspending the vibration system in the accommodation space elastically, the elastic part comprising a fixation portion connected with the end surface of the vibration system, and an elastic portion extending from two ends of the fixation portion for providing restoring force to the vibration system, wherein
the elastic portion includes a hindering portion for baffling the vibration system from vibration in the vibration direction;
the elastic portion includes a first connecting portion extending from the fixation portion, an abutting portion extending from the first connecting portion, a second connecting portion extending from the abutting portion, and an and the end portion extending from the second connecting portion; the end portion is connected with the second side wall fixedly; the abutting portion is propped against the first side wall; and the abutting portion serves as the hindering portion.

US Pat. No. 10,170,965

LINEAR VIBRATION MOTOR

AAC TECHNOLOGIES PTE. LTD...

1. A linear vibration motor, comprising:a housing having an accommodation space;
a vibrator accommodated in the housing;
an elastic part suspending the vibrator in the housing, the elastic part including a fixation part connecting with the vibrator, a connecting part connecting with the housing, and a bending part connecting the fixation part with the connecting part;
a plurality of pre-compressed springs arranged on two sides of the vibrator; one end of the spring being connected with the vibrator, and the other end being connected with the housing, a pre-compression direction of the spring being vertical to a vibration direction of the vibrator;
wherein the vibrator includes a plurality of flutes for receiving the pre-compressed springs.

US Pat. No. 10,170,964

GEOMETRY OF ROTOR END RING AND STATOR END TURNS

Tesla, Inc., Palo Alto, ...

1. A method of making an AC induction motor, the method comprising:providing a rotor and a stator for the AC induction motor;
determining, for different geometries of an end ring of the rotor, a location of a first centroid of current density in the end ring;
determining, for end turns of the stator, a location of a second centroid of current density in the end turns;
selecting a geometry for at least the end ring of the rotor so that an axial distance between the first centroid of current density and the second centroid of current density is minimized; and
assembling the AC induction motor, wherein the end turns and the end ring have the selected geometries.

US Pat. No. 10,170,963

ARMATURE FOR ELECTROMECHANICAL DEVICE WHICH CONVERTS ELECTRICAL ENERGY AND MECHANICAL ENERGY, AND METHOD FOR MANUFACTURING SAME

HAYASHI INDUSTRY CO., LTD...

1. An armature 100 that constitutes an electromechanical device that converts electrical and mechanical energy, the armature comprising:a plurality of distributedly wound coils 10, each coil 10 having a first storage section 11a, a second storage section 11b, and a first coil end 12a and a second coil end 12b that electrically connect the first storage section 11a and the second storage section 11b; and
a stator core or rotor 20 having a plurality of slots 22 in which the coils 10 are stored,
wherein in each coil 10, between a first radial section formed by a winding-start section 10a and a second radial section formed by a winding-end section 10b of windings 10A constituting the coil 10, circumferential lengths of winding lap sections formed by the windings 10A change in a continuous or stepped manner,
a first coil 10, the first storage section 11a and second storage section 11b of which are stored in two slots 22, has a twisted section 10d formed in each of its first coil end 12a and second coil end 12b, whereby sequences within the two slots 22 of the windings 10A constituting the first coil 10 are reversed with respect to each other,
a second coil 10, stored in next two slots 22 after the slots 22 in which the first coil 10 is stored, has twisted sections 10d that are shifted relative to the twisted sections 10d of the first coil 10 by an amount of pitch between the respective slots 22, whereby the twisted sections 10d of the first coil 10 and the second coil 10 become three-dimensionally entwined in a lap winding, and
the lap windings of the twisted sections 10d continue for a third coil 10 and subsequent coils 10, such that the first coil ends 12a and the second coil ends 12b of the coils 10 are continuous without spaces at an end face of the stator core or rotor 20.

US Pat. No. 10,170,962

LAMINATED IRON CORE AND MANUFACTURING METHOD OF LAMINATED IRON CORE

MITSUI HIGH-TEC, INC., F...

1. A laminated iron core comprising:a plurality of laminated iron core pieces, each iron core piece formed and blanked from a strip material; and
a plurality of coupling parts including through holes or recesses formed in a circumferential direction of the plurality of laminated iron core pieces so as to communicate in a lamination direction of the plurality of laminated iron core pieces, wherein
the coupling parts are filled with resins to mutually couple the iron core pieces adjacent in the lamination direction, and
the laminated iron core satisfies the following formula:
(T×S)/?>{(4×E×?×w×t3)/L3}×n,
where T is a strength (N/mm2) of the resin; S is a cross-sectional area (mm2) of the coupling part or the resin; E is a Young's modulus (N/mm2) of the strip material; ? is a distortion amount (mm) of the iron core piece; w is a width (mm) of the iron core piece in a radial direction; t is a plate thickness (mm) of the iron core piece; n is the number of laminated iron core pieces; L is a distance (mm) between the coupling parts adjacent in the circumferential direction; and ? is a safety factor greater than 1 and less than or equal to 3.

US Pat. No. 10,170,961

BLOWER MOTOR OF HVAC SYSTEM FOR VEHICLE

Hyundai Motor Company, S...

1. A blower motor of a heating, ventilating and air conditioning (HVAC) system for a vehicle, comprising:a base including an introduction path to introduce air into the base and a substrate having a plurality of elements attached to the substrate; and
a heat sink formed to have a plate shape being in surface contact with one surface of the substrate and having a contact surface contacting the air introduced through the introduction path, and configured to guide the introduced air to heat generation parts formed on the contact surface.

US Pat. No. 10,170,960

ENERGY HARVESTING SYSTEM

1. An energy harvesting system for converting kinetic energy to electrical power, the energy harvesting system comprising:a) an intake energy device comprising a housing and a plurality of fins, wherein the fins are positioned on an inner surface of the housing for receiving exhaust air and generating a vortex;
b) an impeller positioned proximal to an inlet of a compressor and in fluid communication with the intake energy device, the impeller configured to receive the generated vortex, the impeller has an impeller rotational axis and directs the exhaust air to flow radially outwardly from an axis defined by the impeller rotational axis of the impeller, wherein the generated vortex rotates the impeller; and
c) a generator rotatably connected to the impeller, wherein the generator is electrically connected to a regulating circuit;
wherein the inlet to the compressor is mounted radially relative to the impeller to receive the exhaust air from the impeller.

US Pat. No. 10,170,959

ELECTRICAL MACHINES AND METHODS OF ASSEMBLING THE SAME

Regal Beloit America, Inc...

1. A motor having an axis of rotation, said motor comprising:a housing having a first end cap and an opposite second end cap, wherein said first end cap and said second end cap define an internal cavity;
a first shaft coupled to said housing;
a second shaft rotationally coupled to said first shaft;
a stator coupled to said second end cap and positioned within said internal cavity, said stator comprising an outer circumferential surface and an inner circumferential surface, said inner circumferential surface defining a stator bore around the axis of rotation;
a gearbox coupled to said first shaft and to said second shaft and positioned within said stator bore within said internal cavity, said gearbox comprising a planetary gear system comprising a sun gear, a ring gear, and a plurality of planet gears, said ring gear coupled directly to said second end cap, said gearbox further comprising a fastener extending through at least one planet gear of said plurality of planet gears and said second shaft such that said plurality of planet gears are rotationally coupled to said second shaft; and
a rotor coupled directly to said first shaft and positioned within said internal cavity between said first end cap and said ring gear, said rotor configured to rotate said first shaft, wherein said rotor is offset from said stator in an axial direction.

US Pat. No. 10,170,958

BELT PULLEY ARRANGEMENT FOR A BELT DRIVE FOR DRIVING AUXILIARY UNITS OF A MOTOR VEHICLE, AND A METHOD FOR DRIVING A MOTOR VEHICLE AUXILIARY UNIT THAT IS CONNECTED BY MEANS OF A BELT PULLEY ARRANGEMENT

1. A belt pulley arrangement for a belt drive for driving auxiliary units in a motor vehicle, comprisinga belt pulley for introducing a torque that is provided by a traction mechanism,
a driven shaft for driving an auxiliary unit,
an electric machine for transferring torque between the belt pulley and the driven shaft, wherein the electric machine has a rotor connected to the belt pulley and a stator connected to the driven shaft, wherein the electric machine has an electrical connection to an electrical energy source for accelerating the driven shaft and an electrical energy sink for braking the driven shaft,
a first rotational speed measurement device that detects a time curve of a rotational speed of the belt pulley and a second rotational speed measurement device that detects a time curve of a rotational speed of the driven shaft, and
a controller connected to at least one of the electrical energy source or the electrical energy sink that is configured to control the time curve of the rotational speed of the driven shaft through a time limited electrical connection of at least one of the energy source or energy sink in reaction to at least one of the detected time curves.

US Pat. No. 10,170,957

CONTROLLING DEVICE INTEGRATED ROTATING ELECTRIC MACHINE

Mitsubishi Electric Corpo...

1. A controlling device integrated rotating electric machine comprising:a rotating electric machine's main body having a rotor winding and a stator winding,
a power converter circuit connected to the rotor winding and the stator winding and having a control board, a power module and a smoothing condenser,
a heat sink attached to a rear side of the rotating electric machine's main body and having heat radiating fins formed on a front side,
a case fixed to the rear side of the heat sink, the case containing the control board and the power module of the power converter circuit,
a container portion extending outward towards a front side from the case, and
a sealing resin body sealing the control board and the power module contained in the case,
wherein the smoothing condenser of the power converter circuit is contained in the container portion.

US Pat. No. 10,170,956

BRUSHLESS MOTOR WITH WATER STOPPING WALLS CREATING LABYRINTH STRUCTURE

DENSO CORPORATION, Aichi...

1. A brushless motor comprising:a motor shaft;
a rotor housing including a circular cylinder-shaped shaft bearing housing section provided at the radial direction outside of the motor shaft, and an outer cylinder section formed at the radial direction outside of the shaft bearing housing section;
a shaft bearing that is housed in the shaft bearing housing section, and that is assembled to the motor shaft;
a stator core that includes a ring-shaped unit provided at the radial direction outside of the shaft bearing housing section, and a plurality of teeth formed in a radiating pattern at the periphery of the ring-shaped unit, and that is housed inside the outer cylinder section;
an insulator that includes a ring-shaped insulating portion covering the ring-shaped unit, and a plurality of teeth insulating portions respectively covering the plurality of teeth;
a plurality of winding coil portions wound around the teeth and over the teeth insulating portions;
a centerpiece that includes a main body section disposed facing an opening of the outer cylinder section, and that supports the motor shaft and the stator core;
a first water stopping wall that is formed in a ring shape along the circumferential direction of the motor shaft, and that extends along an axial direction of the motor shaft from the ring-shaped insulating portion toward the main body section;
a second water stopping wall that is formed in a ring shape along the circumferential direction of the motor shaft, that extends out along the axial direction of the motor shaft from the main body section toward the ring-shaped insulating portion, and that, together with the first water stopping wall, configures a labyrinth structure positioned at a radial direction inside of the plurality of winding coil portions;
a third water stopping wall that is formed in a ring shape along the circumferential direction of the motor shaft, and that extends out along the axial direction of the motor shaft from the ring-shaped insulating portion toward the main body section; and
a fourth water stopping wall that is formed in a ring shape along the circumferential direction of the motor shaft, and that extends out along the axial direction of the motor shaft from the main body section toward the ring-shaped insulating portion, wherein:
the first water stopping wall and the second water stopping wall configure an inner labyrinth structure as the labyrinth structure,
the third water stopping wall and the fourth water stopping wall configure an outer labyrinth structure positioned at the radial direction inside of the plurality of winding coil portions and at a radial direction outside of the inner labyrinth structure, and
portions of the rotor housing run substantially parallel to the center piece, and the inner labyrinth structure and the outer labyrinth structure are each disposed closer to the center piece than to the portions of the rotor housing that run substantially parallel to the center piece.

US Pat. No. 10,170,955

PULL TIGHT MOTOR HOUSING

1. A motor comprises:a motor assembly that includes a stator, a rotor, and wiring connected to the stator;
an end-cap coupled to the motor assembly to produce first sub-assembly, wherein the end-cap includes an electrical fitting for feeding the wiring externally of the motor;
a flexible insulating sleeve fitted over at a least a portion the first sub-assembly to produce a second sub-assembly; and
a flexible enclosure including a formed housing section and a connecting section, wherein the formed housing section loosely fits over the second sub-assembly prior to tightening of the connecting section and, when the connecting section is tightened, the formed housing section tightly fits over the second sub-assembly compressing the flexible insulating sleeve to produce an insulating seal.

US Pat. No. 10,170,954

DIRECT CURRENT MOTOR

Hitachi Automotive System...

1. A direct-current motor including an armature including a plurality of armature slots and an armature coil wound to stride over two of the armature slots away from each other with a certain number of the armature slots interposed therebetween, the direct-current motor comprising:at least four armature coils each wound on a lowermost layer of a coil end portion without overlapping with the armature coil wound through the different armature slots,
wherein, on a higher layer than the four armature coils wound on the lowermost layer, at least four armature coils wound in an equal pattern to that of the four armature coils are provided
wherein the four armature coils wound on the lowermost layer have coil sides thereof adjacent to each other housed in the respective equal armature slots, and the four armature coils wound on the higher layer than the lowermost layer have coil sides thereof adjacent to each other housed in the respective equal armature slots,
wherein the armature coils constitute a plurality of coil groups each including coils which get an equal number to the number of pole pairs P, each of the coil groups being wound by one continuous winding conductor, and a coil group including (P?1) coils,
wherein a part between two coils wound by one continuous winding conductor is retained in a conductor retaining portion of a commutator segment in a state in which the two coils are continuous, and
wherein each end portion of each of the coil groups is cut in a state of being retained in a conductor retaining portion of a different commutator segment from the commutator segment.

US Pat. No. 10,170,953

PLANAR COMPOSITE STRUCTURES AND ASSEMBLIES FOR AXIAL FLUX MOTORS AND GENERATORS

E-Circuit Motors, Inc., ...

1. A planar composite structure (PCS) for use in an axial flux motor or generator, comprising:a dielectric layer;
a first conductive layer disposed on a first side of the dielectric layer, the first conductive layer comprising first conductive traces that include:
first radial conductors, each of the first radial conductors extending radially at least between a first radial distance and a second radial distance that is greater than the first radial distance, and
first conductive end turns, each of the first conductive end turns interconnecting a respective pair of the first radial conductors, the first conductive end turns including a first inner end turn and a second inner end turn, the first inner end turn electrically interconnecting portions of a first pair of the first radial conductors at the first radial distance, and the second inner end turn electrically interconnecting portions of a second pair of the first radial conductors at the first radial distance;
wherein the first conductive traces form:
a first portion of a first winding that, when energized, generates magnetic flux for a first phase of the motor or generator, the first portion of the first winding including the first inner end turn, and
a first portion of a second winding that, when energized, generates magnetic flux for a second phase of the motor or generator, the first portion of the second winding including the second inner end turn;
a second conductive layer located on a second side of the dielectric layer, the second conductive layer comprising second conductive traces that include second radial conductors, wherein each of the second radial conductors extends radially at least between the first radial distance and the second radial distance; and
vias through the dielectric layer, each of the first radial conductors being electrically connected through at least one respective via to a corresponding one of the second radial conductors.

US Pat. No. 10,170,952

ROTARY ELECTRIC MACHINE AND MANUFACTURING METHOD FOR COIL OF ROTARY ELECTRIC MACHINE

MITSUBISHI ELECTRIC CORPO...

1. A rotary electric machine comprising an armature that includes:an annular armature core in which a plurality of teeth are arranged circumferentially, and in which slots are formed between said teeth; and
an armature winding that is mounted to said armature core,wherein:said armature winding is constituted by a plurality of distributed-winding coils that are each produced by winding a conductor wire that is insulated, that is jointless and continuous, and that has a rectangular cross section;
said coils each include:
2m rectilinear portions that are inserted into a pair of slots that comprise two of said slots so as to have longitudinal directions oriented in an axial direction, where m is an integer that is greater than or equal to one; and
(2m?1) coil end portions that link said 2m rectilinear portions consecutively by each connecting together end portions of two selected rectilinear portions among said 2m rectilinear portions,
said coils being mounted in one or more layers in a radial direction in said armature core so as to be arranged at a pitch of one slot in a circumferential direction;
said coil end portions include:
a bulging portion that protrudes axially outward in a convex shape; and
oblique portions that link said two connected rectilinear portions and said bulging portion;
said bulging portion has a crank portion that displaces radial positions of said two connected rectilinear portions by a set amount; and
a cross-sectional shape of said bulging portion is a rectangular shape and a cross-sectional area of said bulging portion is smaller than a cross-sectional area of said oblique portions.

US Pat. No. 10,170,951

ELECTRICAL MACHINE

VOLABO GMBH, Holzkirchen...

1. An electrical machine having a stator, wherein:the stator comprises a plurality of slots for receiving a stator winding,
one respective conductor section of the stator winding is inserted into each slot,
the conductor sections of at least one pair of poles are short-circuited to one another on a first side of the stator,
the conductor sections on a second side of the stator, opposite from the first side, are each connected to a terminal of a power supply unit,
the power supply unit comprises two annular conductors between which at least one power-electronics component is arranged, and
the number of flat subsurfaces of the inner annular conductor and of the outer annular conductor are each equal to the number of slots of the stator.

US Pat. No. 10,170,950

ROTARY ELECTRIC MACHINE AND METHOD FOR MANUFACTURING AN ARMATURE THAT IS USED IN THE ROTARY ELECTRIC MACHINE

MITSUBISHI ELECTRIC CORPO...

1. A rotary electric machine comprising an armature that is formed by mounting an armature winding to an annular armature core, wherein:a first winding body and a second winding body are each configured so as to have a helical shape in which end portions of rectilinear portions are linked by coil ends, by winding a jointless, continuous conductor wire that is coated with insulation for m turns, where m is a natural number that is greater than or equal to two;
a two-lane winding body is configured by assembling said first winding body and said second winding body such that orbiting portions that are constituted by said rectilinear portions and said coil ends of said first winding body overlap entirely in a radial direction with corresponding orbiting portions that are constituted by said rectilinear portions and said coil ends of said second winding body;
said armature winding is configured by mounting said two-lane winding bodies into respective pairs of slots of said armature core that are separated by a predetermined number of slots;
said coil ends include a top portion that displaces by a predetermined amount in a radial direction at an approximately central portion between said linked rectilinear portions; and
said radial displacement at said top portion is approximately a×d, where a is a natural number that is greater than or equal to 2 and less than or equal to 2×(m?1), and d is a radial thickness of said rectilinear portions that are housed inside said slots, 4×m of said rectilinear portions of two of said two-lane winding bodies being housed inside said slots so as to line up in single columns in a radial direction.

US Pat. No. 10,170,949

ROTATING ELECTRIC MACHINE

MOTEURS LEROY-SOMER, Ang...

1. A rotating electric machine, having:a magnetic mass having first seats,
a plurality of permanent magnets inserted into the first seats, each permanent magnet having two polar faces, and
shims inserted into the first seats and/or into second seats formed in the magnetic mass,
the shims being configured to cause a deformation of the first seats reducing the parasitic air gap between at least one polar face of a permanent magnet and a corresponding wall of a first seat,
the shims being made of a non-magnetic material,
the magnetic mass having material bridges formed between two consecutive seats within a row of seats, the shims coming into contact with these material bridges,
wherein at least one material bridge is of curved general shape.

US Pat. No. 10,170,948

PROCESS FOR THE FORMATION OF A STACK OF SUPERPOSED METALLIC LAMINATIONS

Whirlpool S.A., Sao Paul...

1. A process for the formation of a stack of superposed metallic laminations, characterized in that it comprises the steps of:a—producing a first metallic lamination comprising at least one assembly of coupling elements, including one insertion clamp, one receiving clamp and two receiving windows, said coupling elements maintaining the same relative positioning from one another, the insertion clamp and the receiving clamp having an axial projection disposed on a first surface of the first metallic lamination so as to define a recess on a second surface of the first metallic lamination, the second surface being opposite the first surface, and wherein the recess of the receiving clamp is different from the recess of the insertion clamp, and wherein the recess of the receiving clamp is configured to receive the axial projection of the insertion clamp;
b—conducting the first lamination produced to a support matrix;
c—producing a second lamination, as defined in step “a” for the production of the first lamination;
d—displacing the support matrix with the first lamination, in order to align, axially, a second receiving clamp and the insertion clamp of the second lamination with a first receiving window, with a second receiving window and with the receiving clamp, respectively, of the first lamination;
e—conducting the second lamination to the support matrix, pressing the second lamination against the first lamination, in order to house the receiving clamp of the second lamination in the second receiving window of the first lamination and to fit, by interference, the insertion clamp of the second lamination, in the receiving clamp of the first lamination;
f—producing a third lamination, as defined in steps “a” to “c”;
g—displacing the support matrix with the first and the second lamination in order to align, axially, the second receiving window, the receiving clamp and the insertion clamp of the third lamination with the first receiving window, with the second receiving window and with the receiving clamp, respectively, of the second lamination;
h—conducting the third lamination to the support matrix, pressing the third lamination against the second lamination in order to house the receiving clamp of the third lamination through the second receiving window of the second lamination and in the interior of the first receiving window of the first lamination, and in order to fit, by interference, the insertion clamp of the third lamination in the receiving clamp of the second lamination; and
i—repeating the steps from “c” to “h”, until finishing the stacking of the laminations that define the lamination stack.

US Pat. No. 10,170,947

LAMINATED CORE

MITSUI HIGH-TEC, INC., K...

1. A laminated core, comprising:a plurality of laminated iron core pieces, wherein each of the iron core pieces being connected in a laminating direction by filling a resin in a plurality of resin holes penetrating the laminated core in the laminating direction,
wherein an iron core piece (A) of the iron core pieces is provided at an end in an axial direction of the laminated core and an iron core piece (U) of the iron core pieces is all other iron core pieces being arranged in the axial direction;
wherein the laminated core is a laminated stator core; and
wherein joint strength of the iron core piece (A) is acquired by making a diameter (d1) of a resin hole (B) of the iron core piece (A) larger than a diameter (d2) of the resin hole (H) of the iron core piece (U) and making a junction area (S1) of the iron core piece (A) and resin that is larger than a junction area (S2) of the iron core piece (U) and resin; and
wherein the resin hole (B) and the resin hole (H) are on the same axis.

US Pat. No. 10,170,946

MOTOR HAVING NON-CIRCULAR STATOR

Persimmon Technologies Co...

1. An apparatus comprising:a motor comprising:
a rotor; and
a stator, where the rotor is located at least partially in a rotor receiving area of the stator, where the stator comprises at least one coil winding and a plurality of teeth, where the at least one coil winding is located on at least some of the teeth, where the teeth comprise a first set of the teeth and a second set of the teeth, where the teeth of the first set of teeth are longer in a radial direction from the rotor receiving area than the teeth of the second set of teeth, where the stator comprises a stator member forming the teeth, where a base of each of the teeth is located at a portion of the stator member which forms an outer perimeter wall of the stator member, where slots between the teeth each comprise at least one of a general triangular shape and a general quadrilateral shape, and where a portion of the outer perimeter wall between a side of each shape, adjacent the outer perimeter wall, and an outer side of the outer perimeter wall has a thickness which is substantially uniform.

US Pat. No. 10,170,945

YAGI ANTENNA SHAPED WIRELESS POWER TRANSMISSION APPARATUS

University of Ulsan Found...

1. A Yagi antenna comprising:a power transmitting coil which generates an electromagnetic wave;
a lattice-shaped first slab which is positioned at a rear side of the power transmitting coil and reflects the electromagnetic wave generated at the power transmitting coil; and
a lattice-shaped second slab which is positioned at a front side of the power transmitting coil, focuses the electromagnetic wave generated at the power transmitting coil and the electromagnetic wave reflected by the first slab, and transmits the electromagnetic waves to the public.

US Pat. No. 10,170,944

RECHARGEABLE IMPANTABLE CARDIOVERTER DEFIBRILLATOR

NewPace Ltd., Caesarea (...

1. Rechargeable implantable cardioverter defibrillator (ICD) comprising:a hermetically sealed can; and
at least one lead, coupled with said hermetically sealed can,
said hermetically sealed can comprising:
at least one high voltage capacitor;
an electronic circuit, coupled with said at least one high voltage capacitor; and
a rechargeable battery, coupled with said electronic circuit and said at least one high voltage capacitor;
an outer surface of said hermetically sealed can comprising:
an active section; and
a non-active section, said non-active section being electrically insulated from said active section,
wherein a surface area of said active section acts as at least one of an electrode with said at least one lead for forming an electric shock vector for applying a high voltage shock and a sensor for sensing electrical activity; and
wherein a surface area of said non-active section acts as at least one antenna for transmitting and receiving information wirelessly while also receiving electromagnetic (EM) energy to inductively charge said rechargeable battery.

US Pat. No. 10,170,943

WIRELESS INDUCTIVE POWER TRANSFER

KONINKLIJKE PHILIPS N.V.,...

1. A power transmitter for providing a power transfer to a power receiver using a wireless inductive power transfer signal, the power transmitter comprising:a transmitter inductor for generating an inductive carrier signal for load modulation in response to a voltage drive signal applied to at least one of the transmitter inductor and a resonance circuit comprising the transmitter inductor;
a measurement unit arranged to, for cycles of a reference signal synchronized to the voltage drive signal, perform first measurements of at least one of an inductor current and an inductor voltage for the transmitter inductor, each first measurement being over a measurement time interval being a subset of a cycle period of the reference signal and having a first time offset relative to the reference signal;
an adaptor for varying the first time offset and detecting an optimum measurement timing offset for the varying first time offset, the optimum measurement timing offset being detected as a time offset for the varying first time offset which results in a maximum demodulation depth for a demodulation depth reflecting a difference measure for first measurements generated by the measurement unit with the first time offset for different modulation loads of the inductive carrier signal; and
a demodulator for demodulating load modulation of the inductive carrier signal from first measurements with the first time offset set to the optimum measurement timing offset.

US Pat. No. 10,170,942

POWER RECEIVING DEVICE AND WIRELESS POWER TRANSMISSION SYSTEM

Panasonic Intellectual Pr...

1. A power receiving device, comprising:a power receiving antenna that receives AC power from a power transmitting device including a power transmitting antenna that wirelessly transmits the AC power;
a rectifier circuit that converts the AC power into DC power;
a detection circuit that detects a value of the DC power during a time that the power receiving antenna receives the AC power from the power transmitting device;
a load that is driven by the DC power;
a battery that charges the DC power;
a switching circuit that provides i) connection and disconnection between the rectifier circuit and the load and ii) connection and disconnection between the load and the battery; and
a control circuit that controls the power receiving device, the control circuit being configured to control the switching circuit as a function of the value of the DC power detected using the detection circuit,
wherein the control circuit controls the switching circuit to connect the rectifier circuit to the load and disconnect the rectifier circuit from the battery and determines whether the value of the DC power detected using the detection circuit is less than or equal to a power threshold value, and
in response to the value of the DC power reaching less than or equal to the power threshold value, the control circuit controls the switching circuit to disconnect the rectifier circuit from the load and connect the load to the battery to drive the load using the DC power charged by the battery.

US Pat. No. 10,170,941

NON-CONTACT TYPE POWER TRANSFER APPARATUS

Samsung Electro-Mechanics...

1. A non-contact type power transfer apparatus comprising:a power converter configured to convert input power into transmission power;
a power transmitter configured to transmit the transmission power in a non-contact manner; and
a controller configured to provide a power conversion control signal to control a power conversion operation of the power converter according to a state of the transmission power, and to output an input power control signal to control a power level of the input power according to the power conversion control signal,
wherein the input power control signal is set based on the power conversion control signal.

US Pat. No. 10,170,939

FOREIGN OBJECT DETECTOR, POWER TRANSMITTING DEVICE AND POWER RECEIVING DEVICE FOR WIRELESS POWER TRANSMISSION, AND WIRELESS POWER TRANSMISSION SYSTEM

Panasonic Intellectual Pr...

1. A foreign object detector comprising:a first resonator;
an oscillator circuit that is connected to the first resonator and oscillates at a first frequency (f1) which is lower than a resonant frequency (fr) of a second resonator and at a second frequency (f2) which is higher than the resonant frequency (fr), the second resonator being electromagnetically coupled to the first resonator and being a parallel resonant circuit including a coil and a capacitor; and
a measurement circuit that measures an inductance value of the first resonator while the first and second resonators are electromagnetically coupled to each other, wherein:
the measurement circuit measures an input inductance value Lin(f1) of the first resonator while the oscillator circuit is oscillating at the first frequency f1 and an input inductance value Lin(f2) of the first resonator while the oscillator circuit is oscillating at the second frequency f2, calculates a coupling coefficient k which is calculated by the equation k2=1?Lin(f2)/Lin(f1), and detects a metallic foreign object between the first resonator and the second resonator based on the coupling coefficient k;
while the coil is short-circuited, the input inductance value Lin(f1) of the first resonator and the input inductance value Lin(f2) of the first resonator are identical; and
while the coil is open, the input inductance value Lin(f1) of the first resonator and the input inductance value Lin(f2) of the first resonator are identical.

US Pat. No. 10,170,938

ELECTRIC POWER RECEIVING DEVICE AND ELECTRIC POWER TRANSMISSION DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. An electric power receiving device, comprising:an electric power receiving unit configured to contactlessly receive electric power from an electric power transmission device,
the power receiving unit including a first node, a second node, a first capacitor, a first coil, a second capacitor, a second coil, and a third capacitor,
the first capacitor, the first coil, the second capacitor, the second coil, and the third capacitor being sequentially connected in series, between the first node and the second node, and
a capacitance of the second capacitor being smaller than a capacitance of the first capacitor and a capacitance of the third capacitor.

US Pat. No. 10,170,937

DEVICES, SYSTEMS, AND METHODS FOR ADJUSTING OUTPUT POWER USING SYNCHRONOUS RECTIFIER CONTROL

QUALCOMM Incorporated, S...

1. An apparatus for wirelessly receiving power, the apparatus comprising:a receive circuit configured to receive wireless power via a magnetic field sufficient to power or charge a load;
a tuning circuit comprising a variable reactive element, coupled to the receive circuit, and configured to detune the receive circuit away from a resonant frequency to adjust an output power level to a first output power level;
a rectifier electrically coupled to the receive circuit and configured to rectify an alternating current (AC) signal, generated in the receive circuit, to a direct current (DC) signal for supplying power to the load, the rectifier comprising a switch; and
a drive circuit configured to:
determine when a measured current value of the AC signal through the switch is equal to a first non-zero current value;
actuate the switch based on the determination that the measured current value of the AC signal through the switch is equal to the first non-zero current value; and
adjust the first non-zero current value to a second non-zero value to adjust the first output power level to a second output power level.

US Pat. No. 10,170,936

WIRELESS POWER RECEIVER AND POWER SUPPLY APPARATUS USING THE SAME

Samsung Electro-Mechanics...

1. A wireless power receiver of a wearable device, the wireless power receiver comprising:a core part disposed in the wearable device to be adjacent to a surface of an internal part of the wearable device;
a magnetic sheet disposed in the wearable device between the core part and the surface of the internal part;
a receiving coil disposed in the wearable device and wound around the core part; and
a power circuit configured to provide power received from the receiving coil to the wearable device.

US Pat. No. 10,170,935

INDUCTIVE POWER SUPPLY WITH DUTY CYCLE CONTROL

PHILIPS IP VENTURES B.V.,...

1. An inductive power supply for providing power wirelessly to a remote device, said inductive power supply comprising:a primary circuit for controlling power transfer to the remote device according to at least one operating parameter, said primary circuit configured to adjust a duty cycle of a signal to allow variation in an amount of power transferred to the remote device;
a wireless receiver configured to receive information communicated from the remote device;
a sensor configured to sense a characteristic of power in the inductive power supply;
a tank circuit in electrical communication with said primary circuit, said tank circuit configured to inductively couple with the remote device;
wherein said primary circuit controls, based on sensor output from said sensor, said at least one operating parameter to achieve a desired operating point; and
wherein said primary circuit controls said duty cycle of said signal to maintain an amount of power transferred despite variations in operating conditions that affect resonant frequency.

US Pat. No. 10,170,934

ELECTROMAGNETIC-COUPLING-MODULE-ATTACHED ARTICLE

MURATA MANUFACTURING CO.,...

1. An article comprising:a metal portion including at least one main surface; and
a power supply circuit including a coil-shaped electrode; wherein
the coil-shaped electrode of the power supply circuit is disposed adjacent to the at least one main surface of the metal portion such that a portion of the coil-shaped electrode overlaps the at least one main surface of the metal portion and another portion of the coil-shaped electrode does not overlap the at least one main surface of the metal portion when viewed in a direction perpendicular to the at least one main surface of the metal portion;
the coil-shaped electrode is disposed on only one side of the at least one main surface of the metal portion;
the coil-shaped electrode of the power supply circuit is magnetically coupled to the at least one main surface of the metal portion; and
the metal portion is configured to perform at least one of transmitting a power supplied from the power supply circuit, and receiving a power and supplying the power to the power supply circuit.

US Pat. No. 10,170,933

NON-CONTACT TYPE POWER SUPPLYING APPARATUS AND NON-CONTACT TYPE POWER SUPPLYING METHOD

Samsung Electro-Mechanics...

1. A non-contact type power supplying apparatus comprising:a first transmitting coil configured to output a detection signal through the first transmitting coil, wherein the detection signal is a plurality of discrete pulses;
a second output comprising a second transmitting coil and configured to output a wake-up signal through the second transmitting coil or transmit power through the second transmitting coil using a non-contact type method, wherein the wake-up signal is a plurality of discrete pulses; and
a controller configured to determine whether or not a first object has approached by using a variation of an impedance of the first transmitting coil, control the second output to output the wake-up signal, determining whether or not an approached first object is a first power receiving apparatus by using a first response signal outputted from the approached first object in response to the wake-up signal, control the second output to transmit power to the first power receiving apparatus when the approached first object is determined to be the first power receiving apparatus, determine whether or not a second object has approached by using a variation of the impedance of the first transmitting coil while the second output transmits the power to the first power receiving apparatus, and control the second output to stop the transmission of the power and output the wake-up signal when it is determined that the second object has approached,
wherein the amplitude of either one or both of the detection signal pulses and the wake-up single pulses varies sequentially from a low level to a high level, and
wherein the first output outputs the detection signal while the second output transmits the power to the first power receiving apparatus.

US Pat. No. 10,170,932

ENERGY STORAGE MODELING AND CONTROL

IHI INC., New York, NY (...

1. A computerized method for controlling operation of an energy storage system to shave peak loads at a substation transformer using a computer, the method comprising:(a) retrieving from a first database, using the computer, first historical data relating to a historical load at the substation transformer;
(b) retrieving from a second database, using the computer, second historical data relating to historical ambient temperature at a location of the substation transformer;
(c) receiving at the computer a physical model of the substation transformer comprising transformer thermodynamic equations;
(d) receiving at the computer information relating to pricing/penalty schemes for accelerated wear of the substation transformer;
(e) receiving at the computer information relating to a premium for deferring upgrade of the substation transformer;
(f) receiving at the computer one or more possible configurations for the energy storage system;
(g) receiving at the computer one or more possible operating strategies of the energy storage system to keep a transformer load at the substation transformer below a maximum transformer rated value;
(h) receiving at the computer a cost model for the energy storage system;
(i) calculating, using the computer, a transformer windings temperature of the substation transformer by solving the transformer thermodynamic equations using at least one of the first historical data, the second historical data, the information relating to pricing/penalty schemes, the information relating to the premium for deferring upgrade of the substation transformer, the one or more possible configurations for the energy storage system, the one or more possible operating strategies of the energy storage system, and the cost model for the energy storage system;
(j) calculating, using the computer, an accelerated wear of windings insulation of the substation transformer using the transformer windings temperature;
(k) quantifying, using the computer, a relative wear for each of peak overloads at the substation transformer;
(l) identifying, using the computer, periods of time when the substation transformer is not overloaded and energy storage system recharge is possible;
(m) identifying, using the computer, idle times when operation of the energy storage system operation is not permitted;
(n) calculating, using the computer, an optimal allocation of available capacity of the energy storage system using at least one of the first historical data, the second historical data, the information relating to pricing/penalty schemes, the information relating to the premium for deferring upgrade of the substation transformer, the one or more possible configurations for the energy storage system, the one or more possible operating strategies of the energy storage system, the cost model for the energy storage system, the accelerated wear, the periods of time, and the idle times, wherein the optimal allocation of available capacity of the energy storage system mitigates the peak overloads at the substation transformer to minimize transformer wear and minimize a cost of operating the energy storage system and the substation transformer; and
(o) directing, using a controller comprising digital electronic circuitry or computer hardware, the energy storage system to charge or discharge an energy storage asset in accordance with the calculated optimal allocation of available capacity of the energy storage system, wherein the energy storage asset is charged or discharged in accordance with the calculated optimal allocation of the available capacity of the energy storage system.

US Pat. No. 10,170,931

ELECTRIC POWER CONTROL SYSTEM

NEC Corporation, Tokyo (...

1. An electric power control system connected to an electric power supplying unit for supplying electric power and a load unit for accepting supply of electric power and consuming the electric power, the electric power control system comprising:a supplied energy acquiring unit for acquiring a supplied energy, the supplied energy being an amount of electric power supplied from the electric power supplying unit;
a consumed energy acquiring unit for acquiring a consumed energy, the consumed energy being an amount of electric power consumed by the load unit; and
an electric power supply and demand controlling unit for, depending on a total supplied energy and a total consumed energy, transmitting and receiving electric power to and from another device to change the total supplied energy, the total supplied energy being a total of the acquired supplied energy, and the total consumed energy being a total of the acquired consumed energy,
wherein the electric power supply and demand controlling unit calculates an electric power supply and demand difference representing a difference between the total supplied energy and the total consumed energy, and transmits and receives electric power to and from another device to change the total supplied energy, thereby executing control so that the electric power supply and demand difference falls within a predetermined range set in advance,
the system further comprising a plurality of electric power supply and demand controlling units, the electric power supply and demand controlling units each belonging to any of groups determined in advance, and the electric power supply and demand controlling units each targeting the electric power supplying unit and/or the load unit set to belong to its group for control of electric power supply and demand,
wherein the electric power supply and demand controlling units each transmit and receive electric power to and from another device placed outside its group to change the total supplied energy in its group, thereby making the electric power supply and demand difference in its group fall within a predetermined range set in advance,
wherein the electric power supply and demand controlling units each transmit and receive electric power to and from another of the electric power supply and demand controlling units and make the electric power supply and demand difference in its group fall within a predetermined range set in advance, the other electric power supply and demand controlling unit belonging to another of the groups, and
wherein the electric power supplying unit includes an electric power system which supplies a predetermined energy of electric power and a generator which generates and supplies electric power; and
the electric power supply and demand controlling unit belonging to each of a plurality of distribution substations to which different electric power supplying units and/or different load units belong, respectively, transmits and receives electric power to and from another of the electric power supply and demand controlling units and thereby executes control so that a sum of supplied energy in the plurality of distribution substations becomes minimum, the other electric power supply and demand controlling unit belonging to another of the distribution substations.

US Pat. No. 10,170,930

ELECTRICAL POWER RESTORATION SYSTEM FOR A CIRCUIT ASSEMBLY AND METHOD

Runway Energy, LLC, San ...

1. An electrical power restoration system for a circuit assembly having a circuit breaker, an electrical load and a circuit conditioner, the circuit conditioner being configured to condition electrical current flowing through the circuit assembly, the electrical power restoration system comprising:a circuit controller that is positioned along the circuit assembly between the circuit breaker and the electrical load, the circuit controller being electrically connected to the circuit conditioner, the circuit controller selectively controlling activation of the circuit conditioner;
a first hot conductor that selectively conducts AC power from the circuit breaker to the circuit controller; and
a second hot conductor that conducts AC power from the circuit controller to the electrical load only when the first hot conductor conducts AC power from the circuit breaker to the circuit controller.

US Pat. No. 10,170,929

POWER NODE COMMUNICATION FOR DEVICE DETECTION AND CONTROL

Analog Devices Global, H...

1. An electronic circuit, comprising:a source circuit, comprising:
a direct current (DC) output terminal;
a current limiting circuit; and
a source control circuit configured to provide a current-limited DC output voltage to the DC output terminal using the current limiting circuit and configured to monitor the current-limited DC output voltage to detect a coded authentication signal generated by a load circuit and imposed at the DC output terminal by the load circuit, and in response to detecting the coded authentication signal imposed by the load circuit, the source control circuit configured to bypass the current limiting circuit.

US Pat. No. 10,170,928

POWER TRANSFER SYSTEM, POWER SUPPLY SYSTEM AND CHARGING COMBINATION

Chervon (HK) Limited, Wa...

1. A power supply system, comprising an electric tool and an electric equipment which can receive electric energy from the electric tool,wherein the electric tool comprises:
a power supply module configured to store electric energy or to obtain electric energy from an external power grid as an energy source of the electric tool;
a first USB connector for being electrically coupled to the power supply module and at least configured to transfer electric energy; and
a first control module comprising a first controller which is at least configured to control an output voltage of the first USB connector when supplying electric energy;
wherein the electric equipment comprises:
a second USB connector configured to be electrically coupled to the first USB connector for transferring electric energy; and
a second control module comprising a second controller at least configured to communicate with the first control module and controlling the second USB connector; and
the second USB connector provides an output voltage greater than or equal to 5V;
wherein the first control module further comprises a first identification unit for indicating power supply characteristics of the electric tool, the power supply characteristics including at least a maximum output voltage of the first connector, and the first identification unit configured to at least communicate with the second control module,
wherein the second control module further comprises a second identification unit for indicating power characteristics of the electric equipment, the power input characteristics of the electric equipment includes at least a maximum input voltage of the second USB connector, and the first controller is configured to at least communicate with the second control module, and
wherein the first controller is electrically coupled to the power supply module and the first USB connector, respectively, the first USB connector has at least two power supply modes, including a precharging power supply mode in which the first USB connector provides an output voltage constantly equal to 5V and an optimum power supply mode in which the first connector provides an output voltage greater than 5V, the first controller controls the first USB connector to switch between the regular power supply mode and the optimum power supply mode, and the second controller controls an output voltage of the first USB connector in the optimum power supply mode by communicating with the first control module.

US Pat. No. 10,170,927

APPARATUS FOR MANAGING THE ENERGY SUPPLIED TO A LOW-VOLTAGE SYSTEM OF A MOTOR VEHICLE THAT COMPRISES AN ENERGY-RECOVERY STAGE, AND CORRESPONDING METHOD

Magneti Marelli S.p.A., ...

1. An apparatus for managing the energy supplied to a low-voltage system of a vehicle that comprises an energy-recovery stage,said low-voltage system, which operates at a first voltage, including:
a battery, which supplies said first voltage on a low-voltage bus;
a system for charging the battery, comprising an alternator for supplying a charging voltage to said battery; and
vehicle loads supplied by the battery and/or by the alternator,
said vehicle comprising a high-voltage system, which operates at a second voltage higher than said first voltage, said system comprising said vehicle energy-recovery stage, which supplies said second voltage,
said second voltage being supplied through an intermediate energy-storage system to a DC-DC converter, which converts said second voltage into said first voltage on said low-voltage bus,
said apparatus comprising a control module that performs energy-management operations at least by the alternator,
the second voltage of said DC-DC converter being regulated via a control procedure of a hysteretic type comprising an operation of threshold comparison with hysteresis of the value of said second voltage, and an operation of activation or deactivation of said DC-DC converter on the basis of the result of said comparison operation,
wherein said management apparatus comprises an additional load, which is set in parallel with the input of the DC-DC converter and can be selectively connected to the high-voltage bus; and
if the power supplied by the energy-recovery stage is higher than a power absorbed by the DC-DC converter, said management apparatus keeps the DC-DC converter always activated, with a current limitation, and for selecting the connection of the additional load according to a further hysteretic control procedure, in particular based upon the second voltage or upon a state of charge,
said further hysteretic control procedure comprising respective thresholds for the additional load and for the converter and envisages setting the threshold value that controls selective connection of the additional load to the high-voltage bus at a voltage value higher than the threshold value of activation of the converter, so that, as the second voltage increases, first the DC-DC converter is activated and then, in the case where the voltage continues to rise, the additional load is activated and, instead, as the second voltage decreases, first the additional load is deactivated and, in the case where the second voltage continues to drop, the DC-DC converter is deactivated.

US Pat. No. 10,170,926

METHOD FOR TRANSMITTING WIRELESS POWER IN WIRELESS CHARGING SYSTEM INCLUDING A WIRELESS POWER TRANSMITTING UNIT AND WIRELESS POWER RECEIVING UNIT

Samsung Electronics Co., ...

1. A method for transmitting wireless power in a wireless charging system, the method comprising:receiving information related to a temperature from each of a plurality of power receiving units (PRUs);
identifying a temperature ratio of each of the plurality of PRUs based on the received information, wherein the temperature ratio is a current temperature relative to an available maximum temperature;
determining a PRU from among the plurality of PRUs based on the identified temperature ratio; and
adjusting transmission power according to a voltage setting value of the determined PRU.

US Pat. No. 10,170,925

INTELLIGENT UNINTERRUPTIBLE POWER CHARGING APPARATUS AND METHOD OF OPERATING THE SAME

DELTA ELECTRONICS, INC., ...

1. An intelligent uninterruptible power charging apparatus comprising:an uninterruptible power module;
a charging module connected to the uninterruptible power module; and
an output port connected to the charging module;
wherein the uninterruptible power module is configured to provide a first charging power source; the charging module is configured to convert the first charging power source into a second charging power source and output the second charging power source through the output port; when an electronic apparatus is connected to the output port, the charging module is configured to receive an identification signal outputted from the electronic apparatus and adjust a voltage level of the second charging power source according to the identification signal.

US Pat. No. 10,170,924

MODELING A CHANGE IN BATTERY DEGRADATION

INTERNATIONAL BUSINESS MA...

1. A computer-implemented method for controlling a battery, comprising:generating a battery capacity prediction model that characterizes a battery capacity decay rate;
predicting future battery capacity for a battery under control based on the battery capacity prediction model and a present value of the battery capacity; and
controlling one or more operational parameters of the battery under control based on the predicted future battery capacity.

US Pat. No. 10,170,923

ADAPTIVE BUCK CONVERTER WITH MONITOR CIRCUIT AND CHARGING CABLE USING THE SAME

RICHTEK TECHNOLOGY CORPOR...

1. A charging cable (100) for charging a mobile device (150), comprising:an adaptive buck converter (110);
a connection terminal (120) coupled with the adaptive buck converter (110) and utilized for detachably connecting to the mobile device (150);
a cable (130) coupled with the adaptive buck converter (110); and
a power source unit (140) connected to the cable (130) and utilized for supplying a DC (direct current) voltage (VA) and a cable current (IA) to the cable (130);
wherein the adaptive buck converter (110) comprises:
a power receiving interface (210) arranged to operably receive the DC voltage (VA) and the cable current (IA) from the cable (130);
a terminal communication interface (220) arranged to operably transmit a charging voltage (VB) and a charging current (IB) to the connection terminal (120) and to operably receive a communication signal (X1B; X2B) generated by the mobile device (150) from the connection terminal (120);
a power converting circuit (230), coupled between the power receiving interface (210) and the terminal communication interface (220), arranged to operably receive the DC voltage (VA) and the cable current (IA) from the power receiving interface (210) and to operably generate the charging voltage (VB) and the charging current (IB), wherein the charging voltage (VB) is lower than the DC voltage (VA) while the charging current (IB) is greater than the cable current (IA);
a monitor circuit (670), coupled with a signal path between the power receiving interface (210) and the power converting circuit (230), arranged to operably detect the DC voltage (VA) or the cable current (IA); and
a data processing circuit (260), coupled with the terminal communication interface (220) and the power converting circuit (230), arranged to operably control the power converting circuit (230) according to the communication signal (X1B; X2B);
wherein the data processing circuit (260) is further coupled with the monitor circuit (670) and arranged to operably utilize the communication signal (X1B; X2B) to report a detection result of the monitor circuit (670) to the mobile device (150) through the terminal communication interface (220) and the connection terminal (120).

US Pat. No. 10,170,922

GAN CIRCUIT DRIVERS FOR GAN CIRCUIT LOADS

Navitas Semiconductor, In...

1. An electronic circuit comprising:a GaN-based low side switch having a low side switch control gate, a low side switch source and a low side switch drain, wherein the low side switch source is connected to a ground and the low side switch drain is connected to a switch node;
a low side switch driver circuit having an output connected to the low side switch control gate;
a GaN-based high side switch having a high side switch control gate, a high side switch source and a high side switch drain, wherein the high side switch source is connected to the switch node and the high side switch drain is connected to a voltage source; and
a high side switch driver circuit having an output connected to the high side switch control gate;
wherein the low side switch driver circuit is disposed on a unitary silicon-based die that includes a control circuit configured to control the low side switch driver circuit and the high side switch driver circuit; and
a GaN-based level shift circuit configured receive a drive signal from the control circuit, level shift the drive signal and transmit a level shifted drive signal to the high side switch driver circuit.

US Pat. No. 10,170,921

METHODS AND SYSTEMS FOR EFFICIENT BATTERY CHARGING AND USAGE

POWERPLUG LTD., Tel Aviv...

1. A method for charging a battery associated with a device, wherein the device is configured to draw power from either one of a battery or an external power source, the method comprising the following operations performed by one or more processors:receiving a signal from an external information service, the signal including power rate data reflecting a value at which power is purchasable at a particular time;
determining a usage threshold that reflects a minimum battery level in which a device draws power from the battery and a charge threshold that reflects a maximum battery level to which the device charges the battery from power drawn from the external power source corresponding to the power rate data and a device class of the device; and
enabling the device to draw power from the battery as a function of whether a charge level associated with the battery exceeds the usage threshold, and enabling the device to charge the battery with power drawn from the external power source as a function of whether the charge level is below the charge threshold and whether the external power source is available.

US Pat. No. 10,170,920

SYSTEM AND METHOD FOR ENERGY MANAGEMENT WITHIN A GROUP OF DEVICES

Symbol Technologies, LLC,...

9. A system, comprising:a group of charging stations each of which includes a docking connection, wherein each charging station in the group comprises:
a processor for identifying the docking connection;
a transceiver, responsive to identifying the docking connection, configured to transmit information to other charging stations in the group and receive at least one set of information transmitted from another charging station in the group, wherein each charging station generates a list using the information transmitted by the charging station and the at least one set of information received by the charging station; and
a ranking component configured to at least one of filter, sort, and rank entries in the list, wherein each entry in the list is associated with a charging station with a docking connection and in the group of charging stations,
wherein each charging station in the group is configured to determine that an entry in the list that is associated with the charging station is ranked at a predefined position in the list and provide an indication of the predefined position.

US Pat. No. 10,170,919

BATTERY PROTECTING APPARATUS

MITSUMI ELECTRIC CO., LTD...

1. A battery protecting apparatus packaged for preventing overcharging, over discharging, and an overcurrent in a secondary battery, the battery protecting apparatus comprising:a charging/discharging control chip including a charging control field effect transistor and a discharging control field effect transistor that are connected to the secondary battery;
a protecting chip configured to control, based on a voltage between both ends of the secondary battery, the charging control field effect transistor and the discharging control field effect transistor to prevent the overcharging, the over discharging, and the overcurrent of the secondary battery; and
a lead frame having a connection surface for a plurality of external terminals and having another surface that is in a state of conduction with the connection surface,
wherein said another surface of the lead frame is electrically connected, via a conductive material, to terminals of the charging control field effect transistor and the discharging control field effect transistor formed on a front surface of the charging/discharging control chip,
wherein the protecting chip is mounted such that a back surface of the protecting chip faces a back surface of the charging/discharging control chip via an insulative member,
wherein terminals of the protecting chip are electrically connected to said another surface of the lead frame through bonding wires, and
wherein the charging/discharging control chip and the protecting chip are covered by a resin.

US Pat. No. 10,170,918

ELECTRONIC DEVICE WIRELESS CHARGING SYSTEM

APPLE INC., Cupertino, C...

1. An electronic device, comprising:a battery; and
a wireless charging system in electronic communication with the battery, the wireless charging system configured to:
inductively couple to a wireless charging device;
predict an event time at which an event of the electronic device will occur;
determine a charge time at which charging should commence such that the battery reaches a threshold charge value at a threshold time that is prior to or substantially the same as the event time; and
initiate charging of the battery at the charge time.

US Pat. No. 10,170,917

SYSTEMS AND METHODS FOR MANAGING AND CONTROLLING A WIRELESS POWER NETWORK BY ESTABLISHING TIME INTERVALS DURING WHICH RECEIVERS COMMUNICATE WITH A TRANSMITTER

Energous Corporation, Sa...

1. A wireless power network; comprising:at least one transmitter configured for providing controlled power transmission signals to produce a plurality of pockets of energy configured for receipt by at least two distinct receivers, wherein the at least one transmitter includes a single communication component; and
at least one power manager configured for controlling at least transmission of the controlled power transmission signals by the at least one transmitter, and establishing a first time interval during which a first receiver of the at least two distinct receivers communicates data with the single communication component and a second time interval during which a second receiver of the at least two distinct receivers communicates data with the single communication component, the at least one power manager further comprising at least one database comprising identification and attribute information of the at least two distinct receivers;
wherein the controlling by the at least one power manager includes:
during the first time interval, receiving, via the single communication component, first information used to determine a location of the first receiver;
after the first time interval and during the second time interval, receiving, via the single communication component, second information used to determine a location of the second receiver;
while receiving information from a respective receiver of the at least two distinct receivers:
receiving, by the at least one transmitter, a message indicating that the respective receiver is running out of a transmission buffer associated with transmitting the information to the at least one receiver; and
sending, by the at least one transmitter, instructions to the respective receiver to restore the transmission buffer; and
transmitting the controlled power transmission signals so that:
a first set of the controlled power transmission signals constructively interferes at the location of the first receiver, and
a second set of the controlled power transmission signals constructively interferes at the location of the second receiver.

US Pat. No. 10,170,916

ENERGY STORAGE DEVICE, POWER MANAGEMENT DEVICE, MOBILE TERMINAL AND METHOD FOR OPERATING THE SAME

LG ELECTRONICS INC., Seo...

1. An energy storage device comprising:at least one battery pack;
a communication module connected to the at least one battery pack, and configured to transmit power-on information or energy storage amount information to a power management device and to receive a charge command or a discharge command from the power management device;
a connector configured to receive alternating current (AC) power, supplied to an internal power network through a photovoltaic module, from the internal power network based on the charge command or to output AC power to the internal power network based on the discharge command; and
a power converter disposed between the connector and the at least one battery pack, and configured to, when the charge command is received from the power management device, convert the AC power from the internal power network into direct current (DC) power based on the charge command, or, when the discharge command is received from the power management device, convert DC power stored in the at least one battery pack into AC power based on the discharge command,
wherein the communication module transmits a pairing request signal as the power-on information to the power management device when the energy storage device is powered on, and then receives a pairing response signal including information about a radio channel allocated by the power management device from the power management device, and performs wireless data communication with the power management device over a radio channel different from that of another energy storage device, and
wherein after paring completion, the communication module receives the charge command or the discharge command from the power management device, and transmits energy storage amount information of energy stored in the at least one battery pack to the power management device.

US Pat. No. 10,170,915

ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD AND COMPUTER PROGRAM

SUMITOMO ELECTRIC INDUSTR...

1. A non-transitory computer readable storage medium storing a computer program for causing a computer to operate as an energy management system for managing an operation state of an electric power device including a storage battery connected to a power grid, the computer program comprising:a first step of acquiring static parameters to be used in controlling the electric power device; and
a second step of controlling the electric power device based on the acquired static parameters, wherein
the static parameters acquired in the first step are commonly used irrespective of whether the storage battery is circulation type or non-circulation type, and the static parameters are at least five types of parameters including:
a storage battery capacity, being an energy capacity of the storage battery that can be delivered from a fully charged state;
dischargeable power, being a limit value of power that the storage battery can discharge;
chargeable power, being a limit value of power that the storage battery can be charged;
discharge efficiency, being a proportion of output power relative to stored power when the storage battery discharges; and
charge efficiency, being a proportion of stored power relative to input power when the storage battery is charged.

US Pat. No. 10,170,914

VOLTAGE SOURCE CONVERTER (VSC) CONTROL SYSTEM WITH ACTIVE DAMPING

ABB SCHWEIZ AG, Baden (C...

1. A Voltage Source Converter control system for active damping of a resonance oscillation in a Voltage Source Converter (VSC), the resonance oscillation having a frequency which is above a synchronous frequency but less than two times said synchronous frequency, the control system comprising:a first Phase-Locked Loop (PLL) having a first PLL controller; and
a second PLL having a second PLL controller, the second PLL controller having a gain which is lower than a gain of the first PLL controller,
wherein the control system is arranged such that an imaginary part of an active damping signal is obtainable from the second PLL; and
wherein the second PLL is configured for having a closed-loop bandwidth which is less than the frequency of the resonance oscillation to be dampened in a synchronous dq frame.

US Pat. No. 10,170,913

STATIC SYNCHRONOUS COMPENSATOR DEVICE AND RELATED METHOD OF PHASE BALANCING A THREE-PHASE POWER SYSTEM

Mitsubishi Electric Power...

1. A static synchronous compensator device connected between a source and a load of a three-phase power system, comprising:a main feedback line configured to provide a main feedback signal from lines between the source and the load;
a mixer configured to mix the main feedback signal with a balance function to generate a balanced signal;
a signal controller configured to convert the balanced signal to a controlled signal;
a gain circuit configured to multiply the controlled signal by ?1 and to perform proportional gain and integral gain (P & I) processing on the controlled signal to generate an intermediate correction signal; and
a pulse width modulator configured to apply a pulse width modulation pattern to modulate the voltage source inverter to generate an AC waveform that is applied to the lines between the source and the load.

US Pat. No. 10,170,912

DYNAMIC HYBRID CONTROL

Kongsberg Maritime AS, K...

1. A system for controlling a power plant in a marine vessel, the power plant comprising;at least one switchboard including at least one switching device, and at least one consumer; and
at least one power generator supplying electrical energy to the at least one switchboard; and
at least one energy storage device coupled to the switchboard capable of storing excess energy from the switchboard, and capable of sourcing the stored energy through the switchboard to the at least one consumer;
wherein the at least one power generator, the at least one energy storage device, and the at least one consumer are coupled to a Dynamic Hybrid Control (DHC) unit, the control unit controlling the flow of energy on the at least one switchboard;
the DHC unit further comprising;
measurement means for monitoring predetermined power plant and vessel related parameters; and
computational means for computing and predicting power and energy requirements in the power plant for varying time spans into the future, based upon data including, the parameters monitored by the measurement means, pre-determined models, and expected energy flow trends related to the at least one power generator, the at least one energy storage element, and the at least one consumer,
wherein the system utilizes the power and energy requirements predicted by the computational means for pre-planning and allocating of power and energy between the at least one power generator, the at least one energy storage element and the at least one consumer for minimizing transients, including voltage, frequency variations in the power plant and load variations on the at least one power generator due to the transients; and,
wherein the system transmits feedforward signals for functions including, the prediction, the pre-planning and the allocation; the feedforward signals including,
power demand;
adapting energy storage devices for handling the transients;
adapting set-point of the at least one power generator; and setting load limitation on the at least one consumer.

US Pat. No. 10,170,911

PROVIDING PHASE SYNCHRONIZATION AND HARMONIC HARVESTING

Veritone Alpha, Inc., Co...

7. A system for reducing one or more harmonics in a high current signal, the system comprising:a step-down converter that uses the high current input signal to generate a low current input signal, wherein a current of the low current input signal is less than a current of the high current input signal;
a harmonic harvester system that includes one or more harmonic harvesters, wherein each harmonic harvester in operation uses one or more op amps to produce a damping signal that at least reduces one harmonic in the high current input signal, wherein the harmonic harvester system combines each damping signal produced by each harmonic harvester into a low current filtering signal, and wherein at least one harmonic harvester in operation satisfies a second-order differential equation with a transfer function given by:

wherein ? represents a harmonic to be reduced by the at least one harmonic harvester, wherein a value for k is chosen based on a voltage of the harmonic to be reduced, and wherein a value for ? is chosen to substantially prevent overshoot of the low current damping signal produced by the at least one harmonic harvester; and
a step-up converter that uses the low current filtering signal to generate a high current filtering signal, wherein a current of the low current filtering signal is less than a current of the high current filtering signal.

US Pat. No. 10,170,909

CONVERTER AND PHOTOVOLTAIC GENERATION SYSTEMS WITH CONVERTER

TAIYO YUDEN CO., LTD., T...

1. A converter for use in a distributed power system for stepping up or down a voltage of a power source connected thereto, the converter being a local converter directly attached to the power source, the converter comprising:a step up/down circuit that directly receives said voltage, steps up or steps down said voltage from the power source, and then outputs said stepped up/down voltage;
a control circuit directly connected to the step up/down circuit to direct said voltage from the power source and transmits a control signal for stepping up or stepping down said voltage to said step up/down circuit; and
a frontend circuit that communicates with another converter attached to another power source in the distributed power system when said another power source with said another converter is connected to the distributed power system,
wherein said control circuit generates an identification signal that identifies said converter and transmits said identification signal through the frontend circuit, and said control circuit is configured to receive an identification signal from said another converter through the frontend circuit without going through a central control system when said another power source with said another converter is connected to the distributed power system so as to detect the presence of said another converter without using the central control system.

US Pat. No. 10,170,908

PORTABLE DEVICE CONTROL AND MANAGEMENT

INTERNATIONAL BUSINESS MA...

1. An apparatus for managing and distributing battery power charge, comprising:multiple electronic devices each having at least one electronic device battery in need of charging;
a computing device having a computing device battery;
a signal receiving component within said computing device comprises multiple ports such that:
the signal receiving component receives at least input battery signal data from the multiple electronic devices, and
the signal receiving component transfers an allocated amount of battery power to each of the multiple electronic devices,
the input battery signal data including battery power level data of each electronic device battery in need of charging;
a monitoring component within said computing device continuously monitoring and receiving the input battery signal data from the signal receiving component;
a controller within said computing device receiving and analyzing the input battery signal data to determine, based on the battery power level data, the allocated amount of battery power charge required for charging each said electronic device battery to a desired battery charge level; and
a charge distribution unit within the computing device receiving each allocated amount of battery power charge, the computing device via the charge distribution unit transferring each allocated amount of battery power charge from the computing device battery to each electronic device battery of the multiple electronic devices to continuously maintain and ensure battery power is available on each electronic device at a time when needed.

US Pat. No. 10,170,907

DYNAMIC ESD PROTECTION SCHEME

Taiwan Semiconductor Manu...

1. An electrostatic discharge (ESD) protection circuit to protect a circuit from an ESD event, the ESD protection circuit comprising:a bipolar junction transistor (BJT) based ESD protection circuit including a field plate overlying a base region of the BJT based ESD protection circuit; and
a dynamic field plate bias circuit coupled to the field plate of the BJT based ESD protection circuit and configured to provide the field plate a field plate bias at transient different from a field plate bias at a normal operation.

US Pat. No. 10,170,906

SEMICONDUCTOR DEVICE FOR POWER SUPPLY CONTROL

MITSUMI ELECTRIC CO., LTD...

1. A semiconductor device for power supply control, that generates and outputs a driving pulse for controlling turning on or off of a switching element which supplies intermittent current to a primary-side winding wire of a transformer for voltage conversion, by inputting a voltage in proportion to the current flowing in the primary-side winding wire of the transformer and an output voltage detection signal from a secondary side of the transformer, the semiconductor device comprising:an on/off control signal generation circuit which generates a control signal for controlling turning on or off of the switching element;
a current detection terminal to which the voltage in proportion to the current flowing in the primary-side winding wire of the transformer is input;
a pull-up unit comprising a current source circuit, the pull-up unit being provided between the current detection terminal and a terminal to which an internal power supply voltage or a voltage in accordance with the internal power supply voltage is applied; and
a current detection terminal monitoring circuit which determines whether the current detection terminal is open or the transformer is short-circuited by comparing the voltage of the current detection terminal with a predetermined voltage, wherein the current detection terminal monitoring circuit determines that the current detection terminal is open or the transformer is short-circuited when detecting that the voltage of the current detection terminal is higher than the predetermined voltage,
wherein:
when the current detection terminal monitoring circuit has determined that the current detection terminal is open or the transformer is short-circuited, a signal generation operation of the on/off control signal generation circuit is stopped by a signal output from the current detection terminal monitoring circuit.

US Pat. No. 10,170,905

ELECTRONIC SWITCHING AND PROTECTION CIRCUIT WITH WAKEUP FUNCTION

INFINEON TECHNOLOGIES AG,...

1. An electronic circuit, comprising:an electronic switch comprising a load path; and
a control circuit configured to drive the electronic switch,
wherein the control circuit is configured to operate in one of a first operation mode and a second operation mode based at least on a level of a load current of the electronic switch,
wherein in the first operation mode the control circuit is configured to generate a first protection signal based on a current-time-characteristic of the load current and drive the electronic switch based on the first protection signal, and
wherein the control circuit is configured to generate a status signal such that the status signal has a wakeup pulse when the operation mode changes from the second operation mode to the first operation mode and, after the wakeup pulse, a signal level representing a level of the load current.

US Pat. No. 10,170,904

SURGE REDUCTION FILTER

PIVOT ELECTRONICS PTY LTD...

1. A surge reduction filter (SRF) comprising:a cartridge including a cartridge housing and a plurality of contact points;
a first active connection point for connection to an active line of an AC power supply, and a first neutral connection point for connection to a neutral line of the AC power supply, the active and neutral connection points being located to be accessible from outside the cartridge;
a first fuse and a first surge protection element electrically connected in series between the first active connection point and the first neutral connection point;
a status circuit to monitor the first surge protection element;
an indicator electrically connected to the status circuit to indicate at least a normal status and a fault status of the first surge protection element, the status circuit detecting a change in voltage at a point between the first fuse and the first surge protection element and creating a fault indication when a voltage change is detected due to the first fuse operating;
a cartridge tray into which the cartridge is insertable;
a plurality of connectors projecting from a base of the cartridge tray;
a plurality of co-operating connectors projecting from the cartridge and associated with the plurality of contact points of the cartridge, wherein the plurality of co-operating connectors co-operate with the plurality of connectors of the base to connect the status circuit to an external circuit comprising the AC supply, and wherein each of the active line and the neutral line of the AC power supply is a single piece of solid metal conductor with no intermediate joins or connections and being routed under the tray.

US Pat. No. 10,170,903

HIGH VOLTAGE DC CIRCUIT BREAKER

HYOSUNG HEAVY INDUSTRIES ...

1. A high-voltage DC circuit breaker for breaking a current that flows in a DC line, comprising:a main switch (110), installed on the DC line, for breaking a current of the DC line by opening when a fault occurs on one side or a remaining side of the DC line;
a nonlinear resistor (120) connected in parallel with the main switch (110);
an LC circuit (130) that is connected in series with both the main switch (110) and a first bidirectional switching element (140), and includes a capacitor (131) and a reactor (132), which are connected in series in order to generate LC resonance;
the first bidirectional switching element (140), is for switching a bidirectional current flow; and
a second bidirectional switching element (150), connected in parallel with the LC circuit (130), for switching a current flow to induce LC resonance in both directions.

US Pat. No. 10,170,901

STACKED BUS ASSEMBLY WITH STEPPED PROFILE

Eaton Intelligent Power L...

1. A bus bar assembly, the bus bar assembly comprising:a stack of bus bars configured to be attached to a surface and insulated from one another, wherein the bus bars have aligned longitudinal centerlines and respective different widths in a direction perpendicular to the longitudinal centerlines and parallel to the surface that decrease along a direction perpendicular to the surface, wherein the stack of bus bars comprises:
a first bus bar having a first width;
a second bus bar overlying the first bus bar and having a second width less than the first width; and
a third bus bar overlying the second bus bar and having a third width less than the second width.

US Pat. No. 10,170,900

ELECTRICAL CONNECTION BOX

AutoNetworks Technologies...

1. An electrical connection box comprising:a bus bar;
a case to which the bus bar is fixed;
a terminal that is connected to the bus bar;
a fixing member that fixes a connection portion at which the terminal and the bus bar are connected to each other; and
a base member that holds the fixing member, the base member disposed on a portion of the case and underneath the connection portion;
wherein the fixing member and the base member are disposed at a position at which the fixing member and the base member overlap the connection portion of the bus bar, and when the connection portion at which the terminal and the bus bar are connected to each other is fixed, the base member moves in a direction in which the base member comes into contact with the bus bar, wherein an under surface of the base member is spaced apart and free from the portion of the case.

US Pat. No. 10,170,899

METHOD FOR CONNECTING AT LEAST TWO ELECTRIC CABLES AND CONNECTION DEVICE, KIT, ELECTRIC MACHINE AND ASSOCIATED VEHICLE

1. A connecting device including electric cables connected to an electric machine of a vehicle, said connecting device comprising:at least two contact elements;
a housing having a first housing wall provided with at least two first openings for allowing passage of the cables in a first direction and in a straight line within the housing to meet the contact elements for electrical connection therewith in one-to-one correspondence, and a second housing wall provided with at least two second openings for allowing passage of the cables in a second direction oriented in a straight line within the housing;
wherein only one of the cables directly meets one of the contact elements for electrical connection therewith, while a conductor bar electrically connects the other one of the cables to the other one of the contact elements; and
an isolating support provided in the housing,
said conductor bar being placed on the isolating support and on the other one of the contact elements and one side of the conductor bar connected with the other one of the contact elements, and the other one of the cables being attached to the conductor bar to establish electrical contact via the conductor bar,
wherein the electric cables are connected to the electric machine of the vehicle.

US Pat. No. 10,170,898

SIGNAL LEAKAGE PROOF HOUSING FOR SIGNAL DISTRIBUTORS

Signal Cable System Co., ...

1. A signal leakage proof housing for signal distributors, comprising:a metal case, comprising:
a plurality of signal connection terminals;
a circumferential side wall, comprising:
a top surface, comprising:
a plurality of fixing protrusions arranged at intervals on and around the top surface;
at least one rib on and around the top surface; and
a metal cover plate comprising:
a bottom surface, comprising;
a plurality of fixing holes on and around the bottom surface; wherein,
when the metal case and the metal cover plate are assembled together, the plurality of fixing protrusions each respectively pass through the corresponding fixing holes and fix with each other; wherein,
each one of the at least one rib is in direct contact with the bottom surface of the metal cover plate.

US Pat. No. 10,170,897

WIRE HARNESS EQUIPPED WITH PROTECTOR

SUMITOMO WIRING SYSTEMS, ...

1. A protector-equipped wire harness comprising,an electrical wire;
a protector that includes a plate-shaped portion, a slide supporting portion that is formed so as to extend inward in a first direction from one edge portion of the plate-shaped portion, and a receiver that is provided on a far side with respect to the slide supporting portion, the protector being provided so as to cover at least a portion of an outer circumferential surface of the electrical wire; and
an attachment member that includes a band that can be wound around the electrical wire, and a band lock portion that includes a slidable portion that is supported by the slide supporting portion so as to be slidable in the first direction, the band lock portion keeping the band in a state of being wound around the electrical wire,
wherein the protector and the attachment member are fixed to each other in a state where the band lock portion of the attachment member is in contact with the receiver, and
the protector includes a retaining protrusion that is locked to the band lock portion from a side to prevent the slidable portion from coming loose from the slide supporting portion in a state where the band lock portion is in contact with the receiver.

US Pat. No. 10,170,896

ENCLOSURE, AND WINDOW ASSEMBLY AND ASSEMBLING METHOD THEREFOR

EATON INTELLIGENT POWER L...

1. A window assembly for an enclosure, said window assembly comprising:a cover member;
a first frame member coupled to said cover member;
a second frame member coupled to said cover member; and
a window member coupled to and disposed between said cover member and said first frame member,
wherein said cover member is disposed between said second frame member and said window member
wherein said window assembly further comprises a number of elements extending through said cover member in order to couple said cover member, said first frame member, said second frame member, and said window member together.

US Pat. No. 10,170,895

CORONA IGNITION WITH SELF-TUNING POWER AMPLIFIER

Tenneco Inc., Lake Fores...

1. A power amplifier circuit for a corona ignition system, comprising:an RF transformer with a primary winding and a secondary winding, the primary winding and the secondary winding being wound around a magnetic core;
an inductor and capacitor connected to one end of the secondary winding; and
a current sensor connected to another end of the secondary winding, wherein
current through the secondary winding generates a magnetic flux in the core in opposing directions.

US Pat. No. 10,170,894

MULTIPOINT IGNITION DEVICE AND MULTIPOINT IGNITION ENGINE

Miyama, Inc., Nagano-shi...

1. A multipoint ignition device for igniting an air-fuel mixture in a combustion chamber of an engine, comprising:an insulating member formed in an annular shape such that an inner periphery thereof faces the combustion chamber; and
a plurality of electrodes held on the insulating member so as to form a plurality of ignition gaps in a circumferential direction inside the combustion chamber,
wherein the insulating member includes a plurality of divided insulating members formed in divided form, and
the divided insulating member close to an intake valve of the engine has a higher thermal conductivity than the divided insulating member close to an exhaust valve of the engine.

US Pat. No. 10,170,893

VACUUM FIXTURE

Waymo LLC, Mountain View...

1. A method comprising:stacking a plurality of laser diode bars proximate an alignment plate, wherein each respective laser diode bar in the plurality of laser diode bars has a front edge through which the respective laser diode bar is configured to emit light and has an upper surface and a lower surface that are perpendicular to the front edge, wherein the alignment plate has a first side that provides a common plane for aligning the front edges of the laser diode bars and a second side opposite the first side, and wherein the alignment plate has a plurality of microholes extending between the first and second sides; and
applying suction to the plurality of laser diode bars through the plurality of microholes, wherein the suction draws the front edges of the laser diode bars against the first side of the alignment plate such that the front edges of the laser diode bars are aligned in the common plane.

US Pat. No. 10,170,892

LASER UNIT AND LASER DEVICE

AMADA MIYACHI CO., LTD., ...

1. A laser unit comprising:a first stacked laser beam creation unit having a plurality of first single emitter laser diodes (LDs) disposed in a first direction at a plurality of different height positions with a predetermined pitch, each of the plurality of first single emitter LDs emitting a first single laser beam having a wavelength identical or proximate to a standard wavelength, a plurality of first single laser beams arranged in a stacked form and not contacting each other to create a first stacked laser beam bundle being shifted to one side from a predetermined center line (N) and propagating in parallel to the center line (N);
a second stacked laser beam creation unit disposed adjacent to the first stacked laser beam creation unit and having a plurality of second single emitter LDs disposed in the first direction at the plurality of different height positions with the predetermined pitch, each of the plurality of second single emitter LDs emitting a second single laser beam having a wavelength identical or proximate to the standard wavelength, a plurality of second single laser beams arranged in a stacked form and not contacting each other to create a second stacked laser beam bundle being shifted to another side from the center line (N) and propagating in parallel to the center line (N);
a first anamorphic prism that allows the first stacked laser beam bundle from the first stacked laser beam creation unit to pass therethrough, wherein a beam size of individual first single laser beams that form the first stacked laser beam bundle is compressed by a first compression ratio in one of a fast-axis direction and a slow-axis direction, and an optical path of the first stacked laser beam bundle is shifted so as to approach the center line (N); and
a second anamorphic prism that allows the second stacked laser beam bundle from the second stacked laser beam creation unit to pass therethrough, wherein a beam size of the individual second single laser beams that form the second stacked laser beam bundle is compressed by a second compression ratio in the one of the fast-axis direction and the slow-axis direction, and an optical path of the second stacked laser beam bundle is shifted so as to approach the center line (N), wherein
a combined stacked laser beam bundle combining the first stacked laser beam bundle and the second stacked laser beam bundle being arranged in two lines is obtained on a subsequent stage of first and second anamorphic prisms.

US Pat. No. 10,170,891

ALGAINP-BASED SEMICONDUCTOR LASER

USHIO OPTO SEMICONDUCTORS...

1. A semiconductor laser chip comprising:an n-type cladding layer having a composition of (AlxnGa1-xn)0.5In0.5P where 0.9 a p-type cladding layer having a composition of (AlxpGa1-xp)0.5In0.5P where 0.92 an active layer provided between the n-type cladding layer and the p-type cladding layer,
wherein the Al composition ratio xp of the p-type cladding layer and the Al composition ratio xn of the n-type cladding layer satisfies a relationship of xn wherein a difference between the Al composition ratio xp of the p-type cladding layer and the Al composition ratio xn of the n-type cladding layer satisfies a relationship of 0.03<=xp?xn<=0.06.

US Pat. No. 10,170,890

METHOD OF FABRICATING SEMICONDUCTOR OPTICAL DEVICE AND SURFACE-EMITTING SEMICONDUCTOR LASER

SUMITOMO ELECTRIC INDUSTR...

1. A surface-emitting semiconductor laser comprising: a substrate; a first stacked semiconductor layer disposed on the substrate and including a first distributed Bragg reflector; an active layer disposed on the first stacked semiconductor layer; and a second stacked semiconductor layer disposed on the active layer and including a second distributed Bragg reflector; a first electrode; and a second electrode, the substrate, the first and second stacked semiconductor layers and the active layer providing a semiconductor structure with a first structure side, a second structure side opposite to the first structure side, and a side structure surface that extends from the second structure side to the first structure side, the side structure surface having an upper side free of chipping, the first electrode and the second electrode each being provided on the first structure side of the semiconductor structure, the semiconductor structure being formed by:preparing a substrate product that includes a first side and a second side opposite to the first side, the first side including device sections arranged in an array and a street region extending between the device sections, at least one of the device sections including the first and second electrodes and the semiconductor structure for the surface-emitting semiconductor laser;
forming a first mask on the first side of the substrate product, the first mask having a pattern that includes device covering portions covering the respective device sections and an opening defining the device covering portions, the opening being provided in the street region;
etching the substrate product using the first mask so as to form a groove in the street region, the groove defining the device sections;
after removing the first mask, securing the first side of the substrate product to a first support member; and
after securing the first side of the substrate product to the first support member, forming an array of semiconductor chips on the first support member by removing part of the substrate product from the second side until the groove provided in the first side is exposed so as to separate the at least one device section including the first and second electrodes and the semiconductor structure from other device sections to provide the surface-emitting semiconductor laser.

US Pat. No. 10,170,889

CONTROLLING UNIFORMITY OF LATERAL OXIDATION OF WAFER SURFACE FEATURES USING A VERTICAL STACK OF HORIZONTAL WAFERS

Lumentum Operations LLC, ...

1. A method, comprising:determining that a particular temperature of a furnace that contains a vertical stack of horizontal wafers is satisfied;
introducing, based on determining that the particular temperature of the furnace is satisfied, oxygen into the furnace,
wherein the oxygen enters the furnace at a location above the vertical stack,
wherein a patterned wafer, included in the vertical stack, includes one or more surface features, and
wherein a surface feature, of the one or more surface features, includes one or more layers capable of being oxidized; and
causing lateral oxidation of at least one layer, of the one or more layers, based on introducing the oxygen into the furnace,
wherein a difference between a first depth of lateral oxidation of a first surface feature, of the one or more surface features, and a second depth of lateral oxidation of a second surface feature, of the one or more surface features, is 0.4 microns or less, and
wherein the first surface feature is located on a central portion of the patterned wafer and the second surface feature is located on an edge portion of the patterned wafer.

US Pat. No. 10,170,888

DUAL-USE LASER SOURCE COMPRISING A CASCADED ARRAY OF HYBRID DISTRIBUTED FEEDBACK LASERS

Oracle International Corp...

1. A laser source, comprising:a silicon waveguide formed in a silicon layer; and
a cascaded array of hybrid distributed feedback (DFB) lasers formed by locating sections of III-V gain material over the silicon waveguide;
wherein each DFB laser in the cascaded array comprises,
a section of III-V gain material located over the silicon waveguide, wherein the section of III-V gain material includes an active region that generates light, and
a Bragg grating located on the silicon waveguide, wherein the Bragg grating has a resonance frequency within a gain bandwidth of the section of III-V material and is transparent to frequencies that differ from the resonance frequency,
wherein the DFB laser has a hybrid mode that resides partially in the III-V gain material and partially in silicon.

US Pat. No. 10,170,887

SURFACE EMITTING LASER ELEMENT AND ATOMIC OSCILLATOR

RICOH COMPANY, LTD., Tok...

1. A surface emitting laser element comprising:a lower Bragg reflection mirror;
an upper Bragg reflection mirror; and
a resonator region formed between the lower Bragg reflection mirror and the upper Bragg reflection mirror, and including an active layer,
wherein a wavelength adjustment region is formed in the lower Bragg reflection mirror or the upper Bragg reflection mirror,
wherein the wavelength adjustment region includes a second phase adjustment layer, a wavelength adjustment layer and a first phase adjustment layer, arranged in this order from a side where the resonator region is formed,
wherein an optical thickness of the wavelength adjustment region is approximately (2N+1)×?/4, and
wherein the wavelength adjustment layer is formed at a position where an optical distance from an end of the wavelength adjustment region on the side where the resonator region is formed is approximately M×?/2,
where ? is a wavelength of emitted light, M and N are positive integers, and M is less than or equal to N.

US Pat. No. 10,170,886

RGB LASER SOURCE FOR LUMINAIRE PROJECTOR SYSTEM

IPG PHOTONICS CORPORATION...

1. A Red Green Blue (RGB) laser light source for luminaire projector system, comprising at least a first channel configured with:a randomly polarized (RP) broadband (BB) single mode (SM) Green laser including
a master oscillator power fiber amplifier (MOPFA) pump which is operative to output a pulsed RP BB SM pump beam at a fundamental wavelength in a 1 ?m wavelength range, and
a second harmonic generator (SHG) which is configured with a lithium triborate (LBO) nonlinear crystal receiving the SM BB pulsed pump beam and outputting a train of pulses of BB Green light in a 5xx nm wavelength range, a broad spectral linewidth ??1 of at least 4 nm;
an RP BB SM Red laser configured with respective quasi continuous wave (QCW) fiber laser pump which is operative to output a RP SM BB pulsed pump beam at a central wavelength, and a frequency converter with an LBO nonlinear crystal receiving the RP SM BB pulsed pump beam so as to output a train of pulses of red light in a 6xx nm wavelength range with a broad spectral line ??2 of at least 4 nm; and
a blue-light laser outputting RP Blue light at a central wavelength in a 4xx nm wavelength range with a broad spectral linewidth ??3 of at least 4 nm.

US Pat. No. 10,170,885

CURRENT CONTROL DEVICE AND LASER DEVICE

MITUTOYO CORPORATION, Ka...

1. A current control device that supplies a current to a semiconductor laser in order to output laser light from the semiconductor laser, the current control device comprising:a processor configured to output a command value corresponding to a current value by continuously increasing the command value with a lapse of time until reaching a target command value corresponding to the current value to output the laser light with a predetermined strength; and
a circuit configured to supply a current with a size corresponding to the command value output by the processor to the semiconductor laser.

US Pat. No. 10,170,884

SINGLE PULSE LASER APPARATUS

Korea Institute of Scienc...

1. A single pulse laser apparatus comprising:a first mirror and a second mirror disposed at both ends of the single pulse laser apparatus and having reflectivities of a predetermined level or more;
a gain medium rotated at a predetermined angle and configured to oscillate a laser beam in a manual mode-locking state;
a linear polarizer configured to output a beam having a specific polarized component of the oscillated laser beam;
an etalon configured to adjust a pulse width of the oscillated laser beam; and
an electro-optic modulator configured to perform Q-switching and single pulse switching.

US Pat. No. 10,170,883

METHOD FOR DIRECT COMPRESSION OF LASER PULSES WITH LARGE TEMPORAL RATIOS

INNOVEN ENERGY LLC, Colo...

1. A system for providing temporal compression of laser pulses comprising:a primary laser source to emit a primary laser source beam;
a nonlinear scattering aperture combiner to receive the primary laser source beam;
a direct compressor to receive the primary laser source beam and output a direct compressor extraction beam;
a fast compressor to receive the output beam of the direct compressor through a propagation gas; and
a vacuum transition section to receive light from the propagation gas to transmit the light onto a target chamber;
wherein the direct compressor and fast compressor temporally and spatially compress the output from the primary laser source and the nonlinear scattering aperture combiner.

US Pat. No. 10,170,882

DIRECT-ATTACH CONNECTOR

SAMTEC, INC., New Albany...

1. A cable comprising:a center conductor;
a ground shield surrounding the center conductor; and
a contact ribbon including:
a removable carrier;
a first signal contact connected to the removable carrier; and
a first ground contact connected to the removable carrier; wherein
the removable carrier electrically connects the first signal contact and the first ground contact;
the first signal contact is electrically connected to the center conductor at a first end of the cable;
the first ground contact is electrically connected to the ground shield at the first end of the cable;
no housing covers any portion of the removable carrier, the first signal contact, or the first ground contact;
the first signal contact and the first ground contact are arranged in a length direction of the removable carrier; and
the length direction of the removable carrier is perpendicular or substantially perpendicular to a length direction of the cable.

US Pat. No. 10,170,881

METHOD OF MANUFACTURING AN INSERTION-TYPE CONNECTOR

1. A method of manufacturing an insertion-type connector having a plurality of first, mutually electrically insulated conductor contacts, said method including:cutting said first conductor contacts designed for transmission of RF signals from a metal sheet such that they are connected together via a connecting part of the metal sheet;
cutting a plurality of second conductor contacts, which are connected together from said metal sheet;
partially embedding the first and second conductor contacts in an electrically insulating material to form an electrically insulating housing; and
separating off the connecting part, the separating-off taking place at a defined distance from the edge of the housing, wherein the plurality of second conductor contacts form a conductor contact plate and are not electrically separated from one another, and wherein residual portions of the first conductor contacts are used in soldered connections to other conductors;
such that said housing forms a connector for connection to a mating insertion-type connector.

US Pat. No. 10,170,880

MOUNT HAVING A MOUNTING PLATE WITH MOUNTING STUDS AND ELECTRICAL CONTACTS

Ferno-Washington, Inc., ...

1. A mount comprising:a mounting plate with a back surface and a front surface;
at least one mounting stud coupled to the back surface of the mounting plate, each mounting stud includes a stem portion that extends outwardly from the back surface and an enlarged head portion disposed at a distal end of respective stem portions; and
at least one terminal mount disposed on the back surface and configured to be electrically coupled to a piece of equipment and further comprising a plurality of electrical wipers coupled to the at least one terminal mount, each electrical wiper is configured to be electrically coupled to the piece of equipment.

US Pat. No. 10,170,879

POWER DISTRIBUTION UNIT HAVING A RELEASABLE LOCK

International Business Ma...

1. A power distribution unit, comprising:a connector to connect an input power supply and a plurality of power outlet sockets for receiving plugs having a number of pins, each power outlet socket comprising:
a mechanical locking mechanism movable between a locked position and an unlocked position when a plug is inserted into the power outlet socket to lock and unlock a plug pin in the power outlet socket;
an actuatable first release element by which the mechanical locking mechanism can be moved from its locked position into its unlocked position; and
an electrically actuatable second release element by which the mechanical locking mechanism can be moved from its locked position into its unlocked position.

US Pat. No. 10,170,878

JUNCTION BOX WITH AN INTEGRATED CONNECTION CIRCUIT

1. A junction box with an integrated connection circuit comprising:a junction box configured to accept external wiring with a common, neutral and a ground;
said junction box is an adjustable electrical box;
said junction box connects said external wiring to an internal circuit;
said internal circuit is an internal distribution receptacle;
said internal distribution receptacle is positionable within said adjustable electrical box to provide spacing for said external wiring within said adjustable electrical box and behind said internal distribution receptacle;
said adjustable electrical box has two independent racks integrated into opposing sides of said adjustable electrical box;
said internal distribution receptacle has two independent springs that are configured to engage into said two independent racks whereby said internal distribution receptacle is prevented from moving further into or out of said adjustable electrical box;
said junction box having at least two mechanical securing locations that are configured to secure a user interface device to said junction box;
said user interface device is a switch or an outlet, and
said user interface device electrically connects to at least said common and said neutral.

US Pat. No. 10,170,877

CONNECTING DEVICE, ASSEMBLY THEREOF AND ASSEMBLY METHOD THEREFOR

JACKSAVIOR IP B.V., (NL)...

1. Connecting device for insertion into a connection jack, said connecting device comprising:a substantially elongated inserting member that is extending in a longitudinal direction and that is insertable into the connection jack of an electronic device, said inserting member further comprising a transverse direction extending transverse thereto, said inserting member further comprising an outer surface with at least two electrically conductive parts with insulating material arranged there between;
wherein the inserting member is configured to, by means of compression, clamping at least two wire ends between an inner wall of the least one of the at least two electrically conductive parts and an outer wall of an insulation member, mechanically and electrically connect the at least two electrically conductive parts with the at least two wire ends of a connection cable within a space enclosed by the outer surface of the inserting member, wherein the at least two wire ends of the connection cable extend directly from the connection cable into the inserting member without any electrical connection between exiting the connection cable and entering the inserting member, and all of the electrical connections between wires extending from the connection cable and the at least two electrically conductive parts take place within the inserting member; and
the inserting member is configured such that wires of the connection cable branch out in different directions inside the space enclosed by the outer surface of the inserting member.

US Pat. No. 10,170,876

ELECTRICAL CONNECTORS HAVING A PLURALITY OF PINS AND SOCKETS

SCHLUMBERGER TECHNOLOGY C...

1. A plug comprising an interface having a plurality of pins extending therefrom, wherein the plug has a plug density of at least 280 pins/in2, and wherein the plurality of pins is positioned in at least three rows along a longitudinal axis of the interface, wherein a distance between a center-point of any two adjacent pins of the plurality of pins is about 0.045 inches to about 0.055 inches.

US Pat. No. 10,170,875

CABLE CONNECTOR GROUPING APPARATUS

International Business Ma...

1. A system comprising:a first connector and a second connector, the first connector to be received in a first housing, the second connector to be received in a second housing, the first housing having a first variable aperture and the second housing having a second variable aperture;
the first housing removeably interconnected with the second housing; and
each housing having a separate retainer, including a first retainer for the first housing and a second retainer for the second housing, the first retainer to adjust a first aperture size of the first aperture and the second retainer to adjust a second aperture size of the second aperture.

US Pat. No. 10,170,874

CABLE ASSEMBLY HAVING A SUBSTRATE WITH MULTIPLE PASSIVE FILTERING DEVICES BETWEEN TWO SECTIONS OF THE CABLE ASSEMBLY

TE CONNECTIVITY CORPORATI...

1. A cable assembly comprising:multiple electrical cables arranged in a first cable section and a second cable section, each electrical cable having a pair of signal conductors configured to convey differential signals, each of the first cable section and the second cable section having a connector end and a device end; and
a filtering module including a substrate and multiple passive filtering devices mounted on the substrate, the filtering module disposed between the first cable section and the second cable section along a length of the cable assembly and mechanically connected to the respective device ends of the first and second cable sections, the passive filtering devices electrically connected to the signal conductors of the electrical cables,
wherein the connector ends of the first and second cable sections are configured to be electrically connected to corresponding first and second connectors, and the filtering module is configured to filter electrical signals conveyed along the electrical cables between the first and second connectors.

US Pat. No. 10,170,873

ILLUMINATED LATCH RELEASE FOR CABLE

International Business Ma...

1. A cable connector, comprising:a housing comprising a proximal end and a distal end, wherein the distal end is configured for insertion into and electrical coupling with a data port of a computer chassis, and wherein the proximal end is configured to receive at least one data cable;
a pull tab connected to the housing and comprising an optically transparent material, the pull tab including a polished surface that is aligned with a light output of the computer chassis when the distal end of the housing is inserted into the data port of the computer chassis such that light from the light output enters through the polished surface and is distributed through the optically transparent material of the pull tab to illuminate the pull tab.

US Pat. No. 10,170,872

ELECTRICAL DEVICE

1. An electrical receptacle comprising:a body having a forward chamber and a second chamber separated by a dividing wall;
a plurality of first electrical connections in the forward chamber and a plurality of second electrical connections in the second chamber;
at least one electrical plug sensing device at least partially in the forward chamber; and
wherein electrical continuity to the plurality of first electrical connections from the plurality of second electrical connections only occurs when the at least one electrical plug sensing device senses a presence of an electrical plug in the forward chamber.

US Pat. No. 10,170,871

CONTACT ELEMENT COMPRISING A SENSOR

1. An electrical contact element comprising at least one groove with an optical fiber running in the groove wherein the optical fiber is designed as a sensor, and the groove starts at a connection side, remote from a plug-in side, of the contact element and runs to the plug-in side and ends again at the connection side.

US Pat. No. 10,170,870

FLIPPABLE ELECTRICAL CONNECTOR

FOXCONN INTERCONNECT TECH...

1. A receptacle connector, comprising:an insulating housing comprising a base and a mating tongue extending from the base, the mating tongue defining a thickened step portion at a root near to the base;
two rows of contacts with contacting section exposed to opposite surfaces of the mating tongue in front of the step portion and tail sections extending out of the base;
a pair of separate metallic collars respectively disposed upon the opposite surfaces of the step portion;
wherein two opposite ends of each metallic collar are embedded in the step portion of the insulating housing via an insert molding process.

US Pat. No. 10,170,869

VERY HIGH SPEED, HIGH DENSITY ELECTRICAL INTERCONNECTION SYSTEM WITH IMPEDANCE CONTROL IN MATING REGION

Amphenol Corporation, Wa...

1. An interconnection system comprising a connector, the connector comprising:a plurality of signal conductors, each signal conductor of the plurality of signal conductors comprising a contact tail adapted to be attached to a printed circuit board, a mating contact portion, and an intermediate portion electrically coupling the contact tail and the mating contact portion; and
at least one first reference conductor surrounding, on at least two sides, the mating contact portion of at least one signal conductor of the plurality of signal conductors, and at least one second reference conductor adapted to engage with the at least one first reference conductor to capture the at least one signal conductor therebetween,
wherein the at least one first reference conductor and the at least one second reference conductor extend along a mating direction beyond a distal end of the mating contact portion of the at least one signal conductor.

US Pat. No. 10,170,868

CONNECTOR

JAE Electronics, Inc., I...

1. A connector, which is configured to connect an object including a ground connection portion by inserting the object into the connector from a rear side to a front side in a front-and-rear direction of the connector,the connector comprising:
a housing, which has a hole portion extending forward from an insertion slot for inserting the object;
a plurality of terminals, which are arranged in the hole portion of the housing;
a conductive shell, which is configured to at least partially cover the housing;
a grounding spring piece, which is electrically connected to the conductive shell, and is formed, apart from a terminal group including the plurality of terminals, at least one of a right side and a left side in a right-and-left direction orthogonal to the front-and-rear direction so that the grounding spring piece is brought into contact with the ground connection portion; and
a partition wall, which extends between the terminal group and the grounding spring piece along the front-and-rear direction, and is configured to partition the terminal group and the grounding spring piece.

US Pat. No. 10,170,867

ELECTRICAL CONNECTOR

LOTES CO., LTD, Keelung ...

1. An electrical connector, comprising:an insulation body, having a base and a tongue located in a front end of the base;
a plurality of terminals, arranged in an upper row and a lower row, wherein terminals in the upper row are arranged on an upper surface of the tongue, and terminals in the lower row are arranged on a lower surface of the tongue; and
a middle grounding plate, disposed in the base and extending to the tongue, located between the upper and lower rows of terminals, and having at least one first hole,
wherein an edge of each of two lateral sides of the middle grounding plate is inwardly depressed to form a first groove and a latch slot, each of the first grooves is adjacent to a corresponding latch slot on the same lateral side of the middle grounding plate, each of the first grooves is connected with the corresponding latch slot on the same lateral side of the middle grounding plate, and the latch slots are located closer to a front end of the middle grounding plate than the first grooves are; and
wherein the first hole is located between the two first grooves, the insulation body has a first insulation portion and a second insulation portion, the first insulation portion protrudes into the first hole, and the second insulation portion protrudes into the first grooves on the lateral sides.

US Pat. No. 10,170,866

SHIELDED ELECTRIC CONNECTOR

1. A shielded electrical connector, comprising:a first connector having a first end and having a second end;
a center conductor extending axially through said first connector from a first side of said center conductor at or adjacent said first end of said first connector to a second side of said center conductor in an engagement with one end of a cable running axially through said first connector and exiting at said second end thereof;
said first connector slidably positionable to an inserted position where said first end of said first connector is located within a axial cavity of a second connector, to thereby operatively connect said center conductor with an electric charged contact communicating into said axial cavity of said second connector;
an annular ring having an exterior surface and having a passage running therethrough from a first end to a second end thereof;
said engagement of said second side of said center conductor to said cable and a portion of said cable adjacent said engagement to said center conductor, being positioned within said passage which is surrounded by said annular ring;
a first portion of dielectric insulating material positioned in-between said annular ring and said engagement of said second side of said center conductor to said cable and said portion of said cable adjacent said engagement to said center conductor;
a second portion of dielectric insulating material surrounding said exterior surface of said annular ring;
an annular projecting ring extending from said first end of said annular ring, a surface of said annular projecting ring extending from said second portion of said dielectric insulating material; and
said annular projecting ring positionable to a contact with a grounded mating connecter located in said axial cavity by positioning said first connector to said inserted position, whereby said annular ring forms a shield preventing RF or EMF from exiting said axial cavity.

US Pat. No. 10,170,865

SHIELDED ELECTRIC WIRE CONNECTION STRUCTURE

TOYOTA JIDOSHA KABUSHIKI ...

1. A shielded electric wire connecting structure, comprising:a lower case that has a lower terminal base and houses a rotary electric machine;
an upper case that has an upper terminal base and houses an inverter, the upper case being disposed directly above the lower case so as to be opposed to the lower case;
a plurality of electric wires including first ends that are connected to the lower terminal base directly below the upper case and second ends that are connected to the upper terminal base at an end portion on a surface side of a wall of the upper case, the plurality of electric wires being placed in a state of being bent from a position directly below the upper case to a position opposed to the wall, and
a braided shield component that is attached to the plurality of electric wires without using both the lower case and the upper case, and placed to shield the plurality of electric wires only on an opposite side of the plurality of electric wires from a face thereof opposed to the upper case.

US Pat. No. 10,170,864

WATERPROOF CONNECTOR

CHENG UEI PRECISION INDUS...

1. A waterproof connector, comprising:a dielectric body having a base portion, and a tongue board protruded from a middle of a front surface of the base portion, a top surface of a front of the tongue board opening a plurality of upper terminal grooves, a bottom surface of the front of the tongue board opening a plurality of lower terminal grooves, a periphery of a rear of the tongue board being recessed inward to form a limiting groove, a plurality of blocking boards being protruded into the upper terminal grooves and the lower terminal grooves from the tongue board and located in front of the limiting groove;
a plurality of terminals integrally molded to the dielectric body, including a plurality of lower terminals arranged transversely and a plurality of upper terminals arranged transversely, each of the plurality of the terminals having a fastening portion, a contact portion connected with a front end of the fastening portion, and a soldering portion connected with a rear end of the fastening portion, the fastening portions of the plurality of the terminals being integrally molded in and fastened in the dielectric body, the contact portions of the plurality of the lower terminals and the upper terminals being received in the plurality of the lower terminal grooves and the upper terminal grooves and being exposed to the bottom surface and the top surface of the front of the tongue board, the soldering portions of the plurality of the terminals projecting beyond a rear surface of the dielectric body;
a shielding assembly being limited in the limiting groove of the dielectric body;
a metal shell surrounding outside the dielectric body to which the plurality of the terminals are integrally molded; and
a waterproof housing integrally molded outside the metal shell,
wherein outer surfaces of rear ends of the contact portions of the plurality of the terminals exposed to the top surface and the bottom surface of the front of the tongue board and adjacent to a front end of the shielding assembly are recessed inward to form a plurality of avoiding areas, each of the plurality of the blocking boards is corresponding to one of the upper terminal grooves and the lower terminal grooves, each of the plurality of the blocking boards is spaced from an inner wall of the one of the upper terminal grooves and the lower terminal grooves facing the blocking board corresponding to the one of the upper terminal grooves and the lower terminal grooves, each of the plurality of the avoiding areas is located under or above one of the plurality of the blocking boards, each of the plurality of the avoiding areas is matched with the one of the plurality of the blocking boards.

US Pat. No. 10,170,863

ELECTRICAL CONNECTOR

FOXCONN INTERCONNECT TECH...

1. An electrical connector comprising:an insulative housing comprising a base portion and a tongue portion extending forwardly from the base portion;
a plurality of conductive terminals affixed to the insulative housing and each comprising a contacting portion exposed to the tongue portion;
a shielding shell enclosing the insulative housing; and
a sealer; wherein
the shielding shell comprises a plurality of locking grooves penetrating rearward and a tuber between two adjacent locking grooves,
the sealer seals a rear end of the shielding shell,
the sealer comprises a plurality of tubers engaging the locking grooves of the shielding shell, a locking groove receiving the tuber of the shielding shell, and a surrounding portion sealing a gap between the insulative housing and the shielding shell, and
the surrounding portion comprises an upper portion, a lower portion, and a pair of lateral portions connecting the upper portion and the lower portion and each comprising a receiving notch, the base portion has a pair of ears located laterally, and the receiving notches receive the ears.

US Pat. No. 10,170,862

ELECTRICAL DEVICE HAVING A GROUND BUS TERMINATED TO A CABLE DRAIN WIRE

TE CONNECTIVITY CORPORATI...

1. An electrical device comprising:a circuit board having upper signal contacts and at least one upper ground contact along an upper surface of the circuit board;
a communication cable including a differential pair of signal conductors, a shield layer that surrounds the signal conductors, a drain wire electrically coupled with the shield layer, and a cable jacket that surrounds the shield layer and the drain wire; wherein each of the signal conductors has a wire-terminating end that is engaged to a corresponding upper signal contact of the circuit board, the wire-terminating ends projecting beyond a jacket edge of the cable jacket; and
an upper ground-terminating component electrically coupled to the at least one upper ground contact, the upper ground-terminating component having a main panel with a connective terminal electrically coupled to the drain wire, the connective terminal including an opening and a pair of opposed angled tabs, wherein each of the opposed angled tabs includes a base end and a free end, the free end of each of the opposed angled tabs extending into the opening and away from the main panel.

US Pat. No. 10,170,861

CONNECTOR WITH CAPACITIVE CROSSTALK COMPENSATION TO REDUCE ALIEN CROSSTALK

CommScope Technologies LL...

1. A telecommunications connector comprising:a plurality of electrical conductors arranged in differential pairs;
a circuit board having a plurality of conductive tracks that electrically connect to the plurality of electrical conductors;
a crosstalk compensation arrangement disposed on the circuit board and including a plurality of crosstalk compensating capacitances applied between electrical conductors associated with the differential pairs and selected such that, a magnitude of an overall capacitance at a first electrical conductor of a first differential pair is approximately equal to a magnitude of an overall capacitance at a second electrical conductor of the first differential pair, and a magnitude of an overall capacitance at a third electrical conductor of a second differential pair is approximately equal to a magnitude of an overall capacitance at a fourth electrical conductor of the second differential pair.

US Pat. No. 10,170,860

ELECTRICAL CONNECTOR FOR CABLES CONTAINING BOTH POWER AND CONTROL CONDUCTORS

Hubbell Incorporated, Sh...

1. A connector for connecting control conductors provided in conduits also containing power conductors, the connector comprising:a housing having a first compartment with an open end and a closed end and a second compartment with an open end and a closed end;
a first guide positioned within the open end of the first compartment and accessible from an exterior of the housing, the first guide being configured to receive a first control conductor provided in a first conduit also containing at least one power conductor;
a second guide positioned within the open end of the first compartment and accessible from an exterior of the housing, the second guide being configured to receive a second control conductor provided in a second conduit also containing at least one power conductor;
a first jumper positioned within the first compartment and aligned with the first guide and the second guide for electrically connecting the first control conductor and the second control conductor;
a third guide positioned within the open end of the second compartment and accessible from an exterior of the housing, the third guide being configured to receive a third control conductor provided in the first conduit;
a fourth guide positioned within the open end of the second compartment and accessible from an exterior of the housing, the fourth guide being configured to receive a fourth control conductor provided in the second conduit; and
a second jumper positioned within the second compartment and aligned with the third guide and the fourth guide for electrically connecting the third control conductor and the fourth control conductor.

US Pat. No. 10,170,859

INTERFACE APPARATUS, INTERFACE UNIT, PROBE APPARATUS, AND CONNECTION METHOD

TOKYO ELECTRON LIMITED, ...

1. An interface apparatus comprising:a connector configured to be connected to an external connector; and
a support part configured to support the connector,
wherein the support part includes:
a base member;
a holder configured to be connected to the base member, having a hollow section defined therein, and configured to hold the connector;
a pushing member interposed between the base member and the holder, and configured to push the holder toward the external connector; and
a coupling member configured to be fixed to the base member and configured to be inserted into the hollow section of the holder with a clearance applied between the coupling member and the hollow section,
wherein the coupling member is engaged with an inner wall of the hollow section in a state in which the holder is separated from the base member at a first interval by virtue of a pushing force of the pushing member, whereby the holder is fixed to the base member, and
the coupling member is separated from the inner wall of the hollow section when the base member and the holder are separated from each other at a second interval smaller than the first interval, against the pushing force, whereby the holder is freely movable relative to the base member.

US Pat. No. 10,170,858

LEVER-TYPE CONNECTOR

SUMITOMO WIRING SYSTEMS, ...

1. A lever-type connector, comprising:a housing; and
a lever mounted on the housing movably to an initial position, a first connection position and a second connection position more distant from the initial than the first connection position;
wherein:
the lever includes a deflecting portion deflectable in a moving direction of the lever;
the housing includes a projecting portion configured to start contacting the deflecting portion halfway through a movement of the lever from the initial position to the first connection position and deflect the deflecting portion until the second connection position is reached and a lever lock portion configured to hold the lever in a movable state between the first connection position and the second connection position; and
the lever includes a receiving portion configured to contact not the lever lock portion, but the projecting portion when the second connection position is reached.

US Pat. No. 10,170,857

ELECTRICAL CONNECTION DEVICE

Molex, LLC, Lisle, IL (U...

1. An electrical connection device, comprising:a receptacle connector comprising a receptacle body, a front guide-positional limiting portion, a rear guide-positional limiting portion and a first latching member, the receptacle body comprising a base, a front wall and a rear wall which extend upwardly from the base and two side walls respectively positioned on left and right sides, the base, the front wall and the rear wall cooperating to define a plug receiving space, the two side walls each being formed with a side opening communicating with the plug receiving space, the front guide-positional limiting portion comprising the front wall and a guide groove positioned to the front wall and extending along an inserting direction, the rear guide-positional limiting portion comprising the rear wall and at least one rear guide-positional limiting piece formed to the rear wall, the first latching member being provided to the front guide-positional limiting portion; and
a plug connector removably mating with the receptacle connector along the inserting direction and comprising a plug body and a second latching member, the plug body having a front wall, a rear wall, two side walls respectively positioned on left and right sides, the rear wall of the plug body being recessed to form a recessed portion, the recessed portion being formed with a guide recessed groove into which the rear guide-positional limiting piece of the receptacle connector extends, the second latching member being provided to the front wall of the plug body,
when the plug connector mates with the receptacle connector, the plug body being inserted into the plug receiving space of the receptacle body and limited between the front wall of the front guide-positional limiting portion and the rear wall of the rear guide-positional limiting portion, the second latching member of the plug connector being latched to the first latching member of the receptacle connector and limited by the front guide-positional limiting portion, the rear guide-positional limiting piece of the receptacle body extending into the guide recessed groove and the rear wall engaging with the recessed portion of the plug body, the rear wall of the plug connector being generally flush with the rear wall of the receptacle connector, the two side walls of the plug body being respectively exposed to the two side openings of the receptacle body and generally flush with the two side walls of the receptacle body.

US Pat. No. 10,170,856

OPTICAL TRANSCEIVER

Prime World International...

1. An optical transceiver, adaptive to be plugged into a receptacle having a first fastening portion, comprising:a casing;
a support, disposed on an outer surface of the casing;
a driving member, disposed on the support, and movable with respect to the support in a press direction;
a fastening member, comprising a pivot shaft, a second fastening portion and a pressed portion connected to one another, the pivot shaft located between the second fastening portion and the pressed portion, the pivot shaft pivoted to the support, the pressed portion having a pressed point, the press direction not parallel to a virtual line passing through the pressed point and the pivot shaft; wherein the fastening member that is pivotable with respect to the support is to be either in a fastened position or a released position; when the driving member is moved in the press direction to press the pressed point, the fastening member is pivoted with respect to the support; and
a restoring member, disposed on the support, the restoring member and the pressed portion both disposed on a side of the pivot shaft of the fastening member far away from the second fastening portion; wherein when the fastening member is in the released position, the restoring member is pressed by the pressed portion to store elastic energy for moving the fastening member from the released position to the fastened position;
wherein when the fastening member is in the fastened position, the second fastening portion is fastened to the first fastening portion; and when the fastening member is in the released position, the second fastening portion is removed from the first fastening portion.

US Pat. No. 10,170,855

WATERPROOF COMPONENT HAVING A COVER WITH EXCESSIVE DISPLACEMENT PREVENTION WALL

YAZAKI CORPORATION, Mina...

1. A waterproof component configured to insert an electric wire into an attachment hole penetrating a wall portion to lock, the waterproof component comprising:a housing body including:
an attachment hole insertion portion configured to be inserted into the attachment hole, a mat seal accommodating chamber having a bottom wall being formed inside the attachment hole insertion portion;
an abutting portion configured to abut a first peripheral surface of the attachment hole;
a locking claw provided in an elastically deformable manner on an insertion tip side of the attachment hole insertion portion, the locking claw being configured to be locked to a second peripheral surface of the attachment hole opposite to the first peripheral surface; and.
a cover locking portion provided on an insertion tip side of the attachment hole insertion portion;
a mat seal accommodated in the mat seal accommodating chamber, the mat seal having an electric wire press-fitting hole through which an electric wire is to penetrate; and
a mat seal cover locked to the cover locking portion, the mat seal cover interposing the mat seal between the mat seal cover and the bottom wall to hold the mat seal in the mat seal accommodating chamber,
wherein the mat seal cover is provided with an excessive displacement prevention wall on a side where the locking claw is elastically deformed when the locking claw is inserted into the attachment hole.

US Pat. No. 10,170,854

HOLDING FRAME FOR PLUG CONNECTOR MODULES HAVING A LEAF-SPRING-TYPE FASTENING MEANS

1. A holding frame into which plug connector modules can be inserted, wherein the holding frame comprises:two halves which can be connected to one another in a jointed manner, a first half and a second half; and
at least one locking element formed from a flat component which covers both halves at least in some regions, the locking element having at least one latching hook at an end thereof, and
wherein one half of the holding frame has at least one cut-out in which the latching hook of the locking element can engage, whereby the holding frame can be secured in an open position.

US Pat. No. 10,170,853

ELECTRICAL CONNECTOR ALLOWING DISASSEMBLY, ELECTRONIC MODULE, AND ASSEMBLY METHOD

Connecteurs Electriques D...

1. An electrical connector, comprising:a casing having a retaining member including a retaining projection and a retaining groove; and
a connector module having an electrically insulating contact carrier, a stop collar extending at least in sections around the contact carrier and at least partially defining a retaining recess, and a plurality of electrically conductive contacts, the connector module at least partially surrounded by the casing and retained at the casing by the retaining member, the retaining projection of the retaining member engaging the retaining recess and the retaining groove of the retaining member engaging the stop collar, the retaining member exerting a retaining force on the connector module in a direction along a mating direction of the electrical connector and the connector module removable from the retaining member in a direction transverse to the mating direction.

US Pat. No. 10,170,852

METHOD FOR MANUFACTURING PLUG-TYPE CONTACTS, PLUG-TYPE CONTACT AND COMPONENT ASSEMBLY COMPRISING AT LEAST ONE PLUG-TYPE CONTACT

1. A component assembly comprising at least one contact receptacle and at least one plug-type contact for producing an electric connection, with a flat connecting body and two curved limbs having two flat sides adjoining the connecting body, wherein the connecting body and the limbs are configured as a single flat piece, wherein each limb has a press-in region and an end region with a contact portion, wherein the two limbs define a substantially almond-shaped inner contour, and wherein the contact portions of the two limbs face each other and touch in a defined manner at least in sections, wherein the plug-type contact is received in the contact receptacle by being prestressed;wherein the limbs have an attachment region for attachment to the flat connecting body,
wherein the limbs have a concave constriction at a transition between the press-in region and the attachment region, said constriction being formed by curved portions of the limbs, wherein end regions of the limbs which face the connecting body furthermore have an inner rounding which merges into an inner space defined between the limbs, and wherein the concave constriction of the limbs defines a narrow point between the inner space and the inner rounding, wherein the curved portions of the limbs are configured to touch each other at the narrow point when received in the contact receptacle, and wherein the inner space is larger than the inner rounding.

US Pat. No. 10,170,851

CONNECTOR WITH A WIRELESS COUPLER

Hewlett-Packard Developme...

1. An apparatus, comprising:a housing;
an electronic connector coupled to a back side of the housing, wherein the electronic connector is to communicate with a circuit board of an electronic device;
a pin located on a front side of the housing and in communication with the electronic connector;
a first alignment magnet on a first end of the housing;
a second alignment magnet on a second end of the housing located opposite the first end;
a first wireless transceiver chip that contacts the first alignment magnet; and
a second wireless transceiver chip that contacts the second alignment magnet.

US Pat. No. 10,170,850

ADJUSTING AN OPENING OF A CARD EDGE CONNECTOR USING A SET OF ELECTROACTIVE POLYMERS

International Business Ma...

1. An apparatus to dynamically adjust, in a card edge connector, an opening configured to receive a printed-circuit card, the apparatus comprising:the card edge connector having a first position and a second position;
a set of contacts configured to connect with a set of edges of the printed-circuit card in the second position at both a first contact location and a second contact location, wherein a first distance between the first and the second contact locations in the first position exceeds a second distance between the first and the second contact locations in the second position; and
a set of electroactive polymers configured to change thickness in response to voltages applied to electrodes positioned adjacent to opposing faces of the set of electroactive polymers, the change of thickness adjusting the set of contacts between the first position and the second position, the set of electroactive polymers including an electroactive polymer configured to control a single contact of the set of contacts.

US Pat. No. 10,170,849

CONNECTOR AND CONNECTOR ASSEMBLY WITH SLIDABLE LATCH

Molex, LLC, Lisle, IL (U...

1. A connector assembly, comprising:a first connector including: a first housing having two first wall parts extending in a longitudinal direction and opposing in a short direction, two second wall parts positioned on end parts of the two first wall parts and opposing in the longitudinal direction, and a recessed part formed on an inner side of the first wall parts and second wall parts; and a first terminal retained on the first wall parts; and
a second connector including: a second terminal for connecting to the first terminal, and a second housing retaining the second terminal, the second connector being mated to an inner side of the recessed part of the first housing; wherein:
the first connector includes: a slider supported by at least one of the two second wall parts and that can slide in the longitudinal direction; and a first metal fitting attached to at least one second wall part,
the slider can slide between a locking position where the slider locks the second connector mated to the inner side of the recessed part and a lock releasing position where the slider is separated from the second connector to an outer side in the longitudinal direction such that locking of the second connector is released,
the first metal fitting has an engaging part,
the slider has a first engageable part to which the engaging part is engaged,
at least one of the engaging part and first engageable part can elastically deform, and
movement of the slider from the locking position to the lock releasing position is restricted by engagement between the engaging part and the first engageable part, and sliding between the locking position and lock releasing position is permitted by at least one of the aforementioned parts.

US Pat. No. 10,170,848

TERMINAL BLOCK LOCKOUT DEVICE

Brady Worldwide, Inc., M...

1. A lockout device configured to prevent connection between a pair of terminals of a terminal block by insertion into a space of the terminal block when the terminal block is opened, the lockout device comprising:a pair of sections rotatably coupled to one another in which each of the sections has an upper portion including a corresponding lockout opening and a lower portion for selective reception into the space of the terminal block in an open position;
wherein, the pair of sections are rotatable between an opened position and a closed position in which, in the opened position, the upper portions are misaligned and the lower portions are aligned to permit at least a portion of the lower portions to be inserted into an opening between the terminal block while opened and in which, in the closed position, the lockout openings of the upper portions are aligned to accommodate reception of a lock in the lockout openings to prevent movement away from the closed position and the lower portions are misaligned to prevent removal of the lockout device from the opening in the terminal block.

US Pat. No. 10,170,847

COAXIAL CONNECTOR GROUNDING INSERTS

PerfectVision Manufacturi...

1. A coaxial connector comprising:a fastener with a fastener mouth and an annular fastener back wall;
a post with a post flange and a post shank;
a band with a plurality of inwardly directed fingers;
the post flange rotatably seated against the fastener back wall; and,
the band interposed between the fastener and a radial periphery of the post flange such that the fingers rub on the post flange.

US Pat. No. 10,170,846

ELECTRODE AND CABLE CONNECTIONS IN ELECTROCARDIOGRAPHY SYSTEMS

Heart Test Laboratories, ...

1. An electric cable comprising: one or more electrode connectors at a first end of the electric cable, at least one of the one or more electrode connectors comprising:first and second clamp arms connected at an axis of rotation and movable relative to each other about the axis of rotation, wherein the first and second clamp arms comprise respective inner surfaces facing one another and respective top and bottom surfaces,
wherein the first clamp arm comprises a post protruding from the bottom surface of the first clamp arm, a longitudinal axis of the post extending parallel to and spaced apart from the axis of rotation; and
wherein the inner surface of the second clamp arm comprises an electrically conductive contact surface that is electrically connected to a wire running within the cable.

US Pat. No. 10,170,845

PLUG CONNECTOR

LOTES CO., LTD, Keelung ...

1. A plug connector, comprising:an insulating body, wherein a front end of the insulating body has a mating portion, a mating slot is recessed from the mating portion from front to back, and the mating portion is used for a tongue of a socket connector to be inserted therein;
a latch member arranged on the insulating body, wherein the latch member comprises a connecting portion and two locking arms located on two sides of the connecting portion and connected electrically to the connecting portion, a first soldering portion extends backward from the connecting portion, the two locking arms are located on two sides of the mating portion and respectively have a locking portion protruding and extending into the mating slot, and each of the locking portions is configured to engage with a buckling slot of the tongue;
two power terminals arranged on the insulating body, wherein each of the two power terminals has at least one contacting portion protruding and extending into the mating slot, and the two power terminals are electrically connected to each other and are provided with a second soldering portion;
two ground terminals located on two sides of the two power terminals and arranged on the insulating body, wherein each of the two ground terminals is electrically connected to the latch member, the two ground terminals are electrically connected to each other and connected to a conducting portion, the conducting portion is located on one side of the first soldering portion in an up-down direction; and
a cable having at least two power wires and a ground wire, wherein the at least two power wires are connected to the second soldering portion, and the ground wire is soldered on both the conducting portion and the first soldering portion.

US Pat. No. 10,170,844

METHOD FOR DISH REFLECTOR ILLUMINATION VIA SUB-REFLECTOR ASSEMBLY WITH DIELECTRIC RADIATOR PORTION

CommScope Technologies LL...

1. An apparatus comprising:a unitary dielectric block having a waveguide transition portion located at a first end of the unitary dielectric block, a sub-reflector support portion located at a second end of the unitary dielectric block that is opposite from the first end, and a radiator portion between the waveguide transition portion and the sub-reflector support portion;
a waveguide coupled to a dish reflector of a reflector antenna and aligned with a longitudinal axis of the unitary dielectric block;
wherein the waveguide transition portion is dimensioned to couple to a distal end of the waveguide,
wherein the waveguide transition portion has a first portion with a first diameter and a second portion located nearer to the radiator portion than the first portion and having a second diameter greater than the first diameter, and
wherein the waveguide transition portion comprises a shoulder perpendicular to the longitudinal axis and having a third diameter that is greater than the first and second diameters.

US Pat. No. 10,170,843

PARABOLIC DEPLOYABLE ANTENNA

CALIFORNIA INSTITUTE OF T...

1. A deployable antenna comprising:a container;
a deployment mechanism attached to the container;
a hub within the container, configured to deploy along a longitudinal axis of the container upon activation of the deployment mechanism;
a plurality of root ribs attached to the hub and configured to rotate away from the longitudinal axis upon deployment;
a plurality of tip ribs, each tip rib attached to a corresponding root rib by a rotating hinge, the plurality of tip ribs configured to rotate away from the longitudinal axis upon deployment;
a mesh attached to the plurality of root and tip ribs;
a horn attached to the hub, the horn extending along the longitudinal axis and located centrally to the mesh;
a sub-reflector attached to the horn and configured to extend away from the horn along the longitudinal axis upon deployment; and
a waveguide attached to the hub, the waveguide being configured to fit within the horn before deployment and to remain in its pre-deployment location while the hub and the horn are extended away along the longitudinal axis upon deployment,
wherein:
the mesh, horn, root ribs, tip ribs and sub-reflector are configured to operate between 2 and 50 GHz,
and
the deployable antenna is a Cassegrain antenna optimized to operate at 35.75 GHz with a bandwidth of 20 MHz.

US Pat. No. 10,170,842

MULTIPLE-FEED ANTENNA SYSTEM HAVING MULTI-POSITION SUBREFLECTOR ASSEMBLY

Sea Tel, Inc., Concord, ...

1. A multiple-feed antenna system for communicating signals in a plurality of radio frequency (RF) frequency ranges, the multiple-feed antenna system comprising:a primary reflector configured for directing signals along a primary RF signal path;
a subreflector assembly comprising a first subreflector element and a second subreflector element, wherein the subreflector assembly is configured to rotate, about a first axis, between multiple positions that include a first position and a second position, and is configured such that:
when the subreflector assembly is in the first position, the first subreflector element intersects the primary RF signal path and redirects signals traveling from the primary reflector along the primary RF signal path to a first RF signal path, and
when the subreflector assembly is in the second position, the second subreflector element intersects the primary RF signal path and redirects signals traveling from the primary reflector along the primary RF signal path to a second RF signal path, and
a first feed that intersects the first RF signal path, wherein the first feed is configured to communicate signals within a first frequency range of the plurality of frequency ranges;
a second feed that intersects the second RF signal path, wherein the second feed is configured to communicate signals within a second frequency range of the plurality of frequency ranges; and
an actuator configured for moving the subreflector assembly to the first position and to the second position.

US Pat. No. 10,170,841

DUAL MODE SLOTTED MONOPOLE ANTENNA

The United States of Amer...

1. An antenna, capable of being joined to an antenna feed having a first conductor and a second conductor, comprising:a non-conductive base having a first side and a second side;
a radiator having a cylindrical wall portion with a slot formed therein from a first end to a second end of the cylindrical wall portion parallel to an axis of the cylindrical wall portion, said radiator being mounted to and extending axially from said non-conductive base first side, said radiator being capable of being electrically connected to the antenna feed first conductor proximate one side of the slot;
a conductive foil positioned on the second side of said non-conductive base and capable of being electrically connected to the antenna feed second conductor, the antenna feed first conductor being electrically isolated from said conductive foil; and
a reactive load joined between said conductive foil and said radiator proximate an opposite side of the slot from the location of the antenna feed first conductor.

US Pat. No. 10,170,840

APPARATUS AND METHODS FOR SENDING OR RECEIVING ELECTROMAGNETIC SIGNALS

13. A device, comprising:a generator that facilitates generation of a first electromagnetic wave;
a core; and
a waveguide that facilitates guiding the first electromagnetic wave towards the core,
wherein the core comprises a first region, a second region, and a third region,
wherein the core comprises an interface in the first region,
wherein the interface comprises a tapered structure,
wherein the first electromagnetic wave induces at the interface a second electromagnetic wave,
wherein the waveguide is configured to confine the second electromagnetic wave at least in part within the core in the first region,
wherein the second region of the core has a tapered structure and is configured to reduce a radiation loss of the second electromagnetic wave as the second electromagnetic wave propagates into the second region, and
wherein the third region of the core is configured to reduce a propagation loss of the second electromagnetic wave as the second electromagnetic wave propagates into the third region.

US Pat. No. 10,170,839

CIRCULARLY POLARIZED PLANAR APERTURE ANTENNA WITH HIGH GAIN AND WIDE BANDWIDTH FOR MILLIMETER-WAVE APPLICATION

CITY UNIVERSITY OF HONG K...

1. An antenna, comprising:a substrate comprising:
a patch section, wherein the patch section is a crossed-patch having a first windmill shape, and opposite arms of the first windmill shape of the patch section are offset on different sides from a center line running through a center of the patch section in a first direction of the opposite arms of the first windmill shape of the patch section; and
an opening cavity that surrounds portions of the patch section, wherein the opening cavity has a second windmill shape and comprises a metal material.

US Pat. No. 10,170,838

ANTENNA-IN-PACKAGE STRUCTURES WITH BROADSIDE AND END-FIRE RADIATIONS

International Business Ma...

1. A package structure, comprising:an antenna package comprising a stack structure, wherein the stack structure comprises a plurality of substrates and metallization layers including a first metallization layer formed on a first surface of a first substrate, and a second metallization layer formed on first surface of a second substrate, wherein the first metallization layer comprises a first planar antenna and an ungrounded planar parasitic element disposed adjacent to the first planar antenna, and wherein the second metallization layer comprises a second planar antenna;
an RFIC (radio frequency integrated circuit) chip flip-chip mounted to the second metallization layer on the first surface of the second substrate of the antenna package;
a first antenna feed line which comprises metalized via holes that are formed through the plurality of substrates from the first surface of the second substrate to the first surface of the first substrate, wherein the first planar antenna is connected to the RFIC chip by the first antenna feed line;
a second antenna feed line formed as part of the second metallization layer on the first surface of the second substrate, wherein the second antenna feed line extends along the first surface of the second substrate to connect the second planar antenna to the RFIC chip;
wherein the first planar antenna is configured to receive or transmit broadside signals and the second planar antenna is configured to receive or transmit end-fire signals; and
wherein the ungrounded planar parasitic element is configured to reduce surface waves on the surface of the first substrate.

US Pat. No. 10,170,837

SEGMENTED ANTENNA

Futurewei Technologies, I...

1. A mobile node (MN) comprising:an antenna comprising a first loop,
wherein the first loop comprises:
a main arm;
a first coupling arm separated from the main arm by an impedance locus;
a signal feed coupled to the main arm; and
a ground coupled to the first coupling arm, and wherein the first coupling arm is not coupled to the signal feed;
wherein the first coupling arm is configured to be electrically coupled to the main arm across the impedance locus by an electromagnetic field, and
wherein the first coupling arm and the main arm are not directly physically connected to each other.

US Pat. No. 10,170,836

COIL ANTENNA DEVICE AND ANTENNA MODULE

MURATA MANUFACTURING CO.,...

1. A coil antenna device comprising:a multilayer structure including a magnetic layer; and
a coil conductor arranged in the multilayer structure such that a portion of the magnetic layer defines a magnetic core and such that a coil axis extends along a principle surface of the multilayer structure; wherein
the coil conductor includes a line conductor portion extending along the principle surface of the multilayer structure and a plurality of via-hole conductor portions extending in a thickness direction of the multilayer structure;
at least a portion of the line conductor portion is disposed outside of the magnetic layer;
the line conductor portion includes a plurality of first line conductors and a plurality of second line conductors, each of the plurality of first line conductors extending on one principle surface side of the magnetic layer, each of the plurality of second line conductors extending on another principle surface side of the magnetic layer;
the plurality of via-hole conductors define a coiled structure together with the plurality of first line conductors and the plurality of second line conductors;
all of the plurality of via-hole conductor portions extending in the thickness direction of the multilayer structure that connect the plurality of first line conductors with the plurality of second line conductors are surrounded by the magnetic layer;
the coil antenna device is used in HF-band frequency;
the multilayer structure further includes a first low magnetic permeability layer that has a magnetic permeability lower than that of the magnetic layer, that is stacked on one principle surface side of the magnetic layer, and that supports at least one of the plurality of first line conductors at a position spaced from the magnetic layer;
each of the plurality of first line conductors includes a plurality of first partial line conductors that are connected in parallel to each other with via-hole conductor portions of the plurality of via-hole conductor portions; and
at least one of the plurality of first partial line conductors is supported by the first low magnetic permeability layer.

US Pat. No. 10,170,835

WIRELESS COMMUNICATION DEVICE

MURATA MANUFACTURING CO.,...

1. A wireless communication device comprising:a planar conductor including an opening;
a housing including the planar conductor;
a planar coil antenna opposed to the opening and including a coil pattern and a coil opening; and
a linear strip pattern including a plurality of linear strip portions parallel or substantially parallel with one another; wherein
a portion of the linear strip pattern which is connected to the planar conductor around the opening is provided in the opening;
the opening of the planar conductor is not connected to any peripheral edge of the planar conductor; and
the planar coil antenna is incorporated in the housing.

US Pat. No. 10,170,834

PHASED ARRAY TRANSMISSION METHODS AND APPARATUS

1. An apparatus for controlling phases of electrical signals, comprising:an in-phase / quadrature (I/Q) signal generator configured to generate a plurality of different I/Q signal pairs, each different I/Q signal pair having an I/Q magnitude ratio that is individually set and controlled by the I/Q signal generator;
a multiphase generator configured to generate a plurality of oscillator signals, each oscillator signal having a signal phase; and
a plurality of vector modulators, each vector modulator having in-phase and quadrature inputs configured to receive a different one of the I/Q signal pairs generated by said I/Q signal generator and another input configured to receive one of the oscillator signals generated by said multiphase generator, said plurality of vector modulators configured to generate a plurality of vector modulator output signals having a plurality of output phases determined by both the I/Q magnitude ratios of the plurality of I/Q signal pairs received from said I/Q signal generator and the signal phases of the oscillator signals received from said multiphase generator,
wherein said multiphase generator includes a phase selector that is configured to control which oscillator signals generated by the multiphase generator are applied to the plurality of vector modulators.

US Pat. No. 10,170,833

ELECTRONICALLY CONTROLLED POLARIZATION AND BEAM STEERING

L-3 Communications Corp.,...

15. An antenna system comprising:at least three dual-orthogonally polarized antenna elements, each antenna element comprising a first signal component input for providing a first signal component of a transmit signal to a first antenna component and a second signal component input for providing a second signal component of the transmit signal to a second antenna component, the first antenna component having a polarization that is orthogonal to a polarization of the second antenna component;
for each of the plurality of antenna elements, a signal modifier that is connected to the corresponding antenna element, each signal modifier comprising:
a signal input for receiving the transmit signal and splitting the transmit signal into the first signal component and the second signal component; a first processing path between the signal input and the first signal component input of the corresponding antenna element, the first processing path comprising a first amplitude controller for controlling the amplitude of the first signal component in accordance with a first amplitude parameter and a first phase shifter for controlling the phase of the first signal component in accordance with a first phase-shift parameter, and a second processing path between the signal input and the second signal component input of the corresponding antenna element, the second processing path comprising a second amplitude controller for controlling the amplitude of the second signal component in accordance with a second amplitude parameter and a second phase shifter for controlling the phase of the second signal component in accordance with a second phase-shift parameter; and
a controller that is configured to receive input that specifies a desired value for each of a plurality of characteristics for a transmit beam, the controller including a memory structure for each of the plurality of characteristics, each memory structure including a lookup table for each of the signal modifiers, each lookup table defining a plurality of sets of values for the first amplitude parameter, the first phase-shift parameter, the second amplitude parameter and the second phase-shift parameter, each set of values being specific to one of the desired values of the corresponding characteristic, wherein, in response to receiving input that specifies a particular desired value for each of the plurality of characteristics, the controller is configured to access each memory structure to obtain from each lookup table the set of values that corresponds to the particular desired value for each of the plurality of characteristics and then provide each set of values to the corresponding signal modifier such that, when the first and second signal components of the transmit signal are emitted from the first and second antenna elements of each antenna element, the first and second signal components will combine to form the transmit beam that exhibits the desired value for each of the characteristics.

US Pat. No. 10,170,832

TRANSCEIVER FOR A PHASED ARRAY ANTENNA

Telefonaktiebolaget LM Er...

1. A transceiver for a phased array antenna, comprising:a laser light source arranged to provide an optical spectrum comprising a plurality of spaced wavelengths,
a dispersion unit to introduce a delay to a plurality of spectral components of the optical spectrum associated with the spaced wavelengths, wherein the delay is dependent on the wavelength of the spectral components of the optical spectrum,
a first optical filter to select a plurality of spectral components received from the dispersion unit,
a first heterodyning device to generate a signal for transmission by the phased array antenna by heterodyning the selected spectral components associated with different ones of the spaced wavelengths of the laser light source,
wherein the transceiver is configured to receive signals from the phased array antenna,
the transceiver comprising a modulator configured to modulate said spaced wavelengths from the said laser light source with the received signals, wherein the spaced wavelengths are associated with the spectral components used to generate the signal for transmission, and
a second heterodyning device to heterodyne spectral components associated with different ones of the spaced wavelengths of the laser light source.