US Pat. No. 10,432,228

BIT INTERLEAVER FOR LOW-DENSITY PARITY CHECK CODEWORD HAVING LENGTH OF 64800 AND CODE RATE OF 5/15 AND 4096-SYMBOL MAPPING, AND BIT INTERLEAVING METHOD USING SAME

ELECTRONICS AND TELECOMMU...

1. A broadcast signal transmission device, comprising:a first memory configured to store a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 5/15;
a processor configured to generate an interleaved codeword by interleaving the LDPC codeword on a bit group basis, the size of the bit group corresponding to a parallel factor of the LDPC codeword;
a second memory configured to output the interleaved codeword;
a modulator configured to perform 4096-symbol mapping corresponding to the interleaved codeword to generate a modulated signal; and
an antenna configured to broadcast a transmission signal corresponding to the modulated signal over a broadcasting channel to a reception device,
wherein the LDPC codeword is generated by performing accumulation at parity bit addresses which are updated using a predetermined sequence,
wherein the interleaving is performed using the following equation using a permutation order:
Yj=X?(j) 0?j where X?(j) is a ?(j)th bit group, Yj is an interleaved j-th bit group, Ngroup is the number of bit groups, and ?(j) is the permutation order for bit group-based interleaving,
wherein the permutation order corresponds to an interleaving sequence, the interleaving sequence being for the LDPC codeword having the length of 64800 and the code rate of 5/15 and being represented by the following interleaving sequence:
{146 89 57 16 164 138 91 78 90 66 122 12 9 157 14 68 112 128 74 45 28 87 158 56 61 168 18 161 95 99 139 22 65 130 166 118 150 49 142 44 36 1 121 6 46 29 88 47 0 58 105 43 80 64 107 21 55 151 8 145 163 7 98 123 17 11 153 136 52 3 13 34 160 102 125 114 152 84 32 97 33 60 62 79 37 129 38 165 71 75 59 144 127 132 104 53 162 103 120 54 155 116 48 77 76 73 113 119 179 177 41 19 92 109 31 143 178 108 39 140 106 40 5 25 81 176 101 124 126 72 111 4 173 156 134 86 174 2 170 35 175 137 15 24 69 96 30 117 67 171 149 169 63 23 20 167 27 147 51 10 82 131 85 110 94 135 172 148 50 154 42 70 115 26 83 141 100 133 93 159}, and
wherein the interleaved codeword is generated by the interleaving sequence on the bit group basis before performing the 4096-symbol mapping so as to distribute burst errors occurring in the transmission signal when the transmission signal is transmitted over the broadcasting channel.

US Pat. No. 10,432,226

LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 5/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...


US Pat. No. 10,432,225

DATA PROCESSING DEVICE AND DATA PROCESSING METHOD USING LOW DENSITY PARITY CHECK ENCODING FOR DECREASING SIGNAL-TO-NOISE POWER RATIO

SATURN LICENSING LLC, Ne...

1. A transmitting device for generating a digital television broadcast signal and for decreasing a signal-to-noise power ratio of the generated digital television broadcast signal, the transmitting device comprising:circuitry configured to
receive data to be transmitted in a digital television broadcast signal;
perform low density parity check (LDPC) encoding on input bits of the received data according to a parity check matrix of an LDPC code having a code length of 16200 bits and a code rate of 12/15 to generate an LDPC code word, the LDPC code enabling error correction processing to correct errors generated in a transmission path of the digital television broadcast signal,
wherein the LDPC code includes information bits and parity bits, the parity bits being processed by a receiving device to recover information bits corrupted by transmission path errors,
wherein the parity check matrix includes an information matrix portion corresponding to the information bits and a parity matrix portion corresponding to the parity bits,
wherein the information matrix portion is represented by a parity check matrix initial value table, and
wherein the parity check matrix initial value table, having each row indicating positions of elements ‘1’ in corresponding 360 columns of the information matrix portion corresponding to a subset of information bits used in calculating the parity bits in the LDPC encoding, is as follows
3 394 1014 1214 1361 1477 1534 1660 1856 2745 2987 2991 3124 3155
59 136 528 781 803 928 1293 1489 1944 2041 2200 2613 2690 2847
155 245 311 621 1114 1269 1281 1783 1995 2047 2672 2803 2885 3014
79 870 974 1326 1449 1531 2077 2317 2467 2627 2811 3083 3101 3132
4 582 660 902 1048 1482 1697 1744 1928 2628 2699 2728 3045 3104
175 395 429 1027 1061 1068 1154 1168 1175 2147 2359 2376 2613 2682
1388 2241 3118 3148
143 506 2067 3148
1594 2217 2705
398 988 2551
1149 2588 2654
678 2844 3115
1508 1547 1954
1199 1267 1710
2589 3163 3207
1 2583 2974
2766 2897 3166
929 1823 2742
1113 3007 3239
1753 2478 3127
0 509 1811
1672 2646 2984
965 1462 3230
3 1077 2917
1183 1316 1662
968 1593 3239
64 1996 2226
1442 2058 3181
513 973 1058
1263 3185 3229
681 1394 3017
419 2853 3217
3 2404 3175
2417 2792 2854
1879 2940 3235
647 1704 3060, and
transmit the digital television broadcast signal including the LDPC code word.

US Pat. No. 10,432,222

TRANSMITTING APPARATUS AND MAPPING METHOD THEREOF

SAMSUNG ELECTRONICS CO., ...


US Pat. No. 10,432,221

TRANSMITTING APPARATUS AND INTERLEAVING METHOD THEREOF

SAMSUNG ELECTRONICS CO., ...


US Pat. No. 10,432,220

LOW DENSITY PARITY CHECK ENCODER HAVING LENGTH OF 64800 AND CODE RATE OF 7/15, AND LOW DENSITY PARITY CHECK ENCODING METHOD USING THE SAME

ELECTRONICS AND TELECOMMU...


US Pat. No. 10,432,216

CONFIGURABLE COMPRESSION CIRCUIT

Amazon Technologies, Inc....

1. A compression circuit, comprising:A history buffer to store uncompressed data;
a multiplexer coupled to the buffer and comprising first and second inputs, wherein the first input is configured to provide an initial value, and wherein the multiplexer is configured to generate a read pointer value to the buffer;
a feedback register coupled to an output of the multiplexer and configured to store the read pointer value;
an adder coupled to the feedback register and the second input of the multiplexer, wherein the adder is configured to increment the read pointer value from the feedback register to thereby generate an incremented read pointer value, and wherein the adder is configured provide the incremented read pointer value to the second input of the multiplexer;
a compare circuit coupled to the history buffer; and
a control circuit containing a programmable configuration register configured to store a depth value, wherein the control circuit is configured to cause the multiplexer to select the initial value as the read pointer and then to iteratively select the incremented read pointer value from the adder until the read pointer value matches the depth value, and then to again select the initial value as the read pointer value;
wherein the compare circuit is configured to compare input symbols to uncompressed data from the history buffer to thereby generate output compressed data.

US Pat. No. 10,432,209

LINEAR FEEDBACK SHIFT REGISTER-BASED CLOCK SIGNAL GENERATOR, TIME DOMAIN-INTERLEAVED ANALOG TO DIGITAL CONVERTER AND METHODS

GLOBALFOUNDRIES INC., Gr...

1. A clock signal generator comprising:a linear feedback shift register comprising multiple flip-flops connected in a chain, wherein the linear feedback shift register receives a system clock signal and, based on the clock signal, outputs a series of multi-bit states and wherein each multi-bit state comprises individual output bits from each of the flip-flops; and
a single-phase pulse generator receiving the series of multi-bit states and generating a first clock signal and a second clock signal, wherein a pulse rate of the first clock signal is slower than a pulse rate of the system clock signal and a pulse rate of the second clock signal is slower than a pulse rate of the first clock signal and wherein the single-phase pulse generator uses receipt of the series of multi-bit states as a counter during generation of the first clock signal and the second clock signal.

US Pat. No. 10,432,208

D/A CONVERTER, AND A/D CONVERTER

MITSUMI ELECTRIC CO., LTD...

1. A D/A converter for converting a digital signal with a predetermined number of bits to an analog signal, the D/A converter comprising:a plurality of component groups that include a plurality of components included in the D/A converter and are connected to an output unit for outputting the analog signal in a predetermined order; and
a start position change unit that changes a start position within the plurality of the component groups used for generating a single analog signal by using a predefined shift pattern when generating the single analog signal corresponding to the digital signal, wherein
the digital signal is a digital signal with n bits (n is an integer equal to or greater than 2), and
the plurality of the component groups are configured by dividing the plurality of the components corresponding to upper k bits of the n bits (k is an integer that satisfies: 2?k?n) into 2 i groups (i is an integer that satisfies: 1?i?n?1).

US Pat. No. 10,432,207

CLOCK GENERATOR

Lockheed Martin Corporati...

1. An integrated circuit comprising:a timing generation circuit configured to generate at least one clock signal, comprising:
an input clock buffer configured to receive an input differential signal;
a quadrature filter operatively connected to an output of the clock buffer;
a first quadrature (I/Q) buffer amplifier operatively connected to an output of the quadrature filter;
a second I/Q buffer amplifier operatively connected to the first I/Q buffer amplifier; and
at least one first vector sum circuit responsive to a differential output I/Q signal of the second I/Q buffer amplifier and at least one input control signal and configured to weight and sum I and Q components of the output I/Q signal for generating the at least one clock signal.

US Pat. No. 10,432,205

QUANTUM INTERFERENCE DEVICE, ATOMIC OSCILLATOR, AND ELECTRONIC APPARATUS

Seiko Epson Corporation, ...

1. A quantum interference device comprising:an atomic cell in which alkali metal is sealed;
a light source that emits light that excites the alkali metal;
a light source temperature adjuster that adjusts a temperature of the light source;
a light receiver that receives light transmitted through the atomic cell and outputs an output signal in accordance with a light reception intensity;
a detector that outputs an output signal in accordance with a chronological change in an amount of the light transmitted through the atomic cell based on the output signal of the light receiver;
a light source temperature controller that controls driving of the light source temperature adjuster based on the output signal of the detector;
a cell temperature adjuster that adjusts a temperature of the atomic cell; and
a cell temperature controller that controls driving of the cell temperature adjuster based on the output signal of the detector.

US Pat. No. 10,432,204

ATOMIC OSCILLATOR

Seiko Epson Corporation, ...

1. An atomic oscillator comprising:a gas cell encapsulating metal atoms;
a coil disposed in a periphery of the gas cell;
a laser source adapted to emit excitation light toward the gas cell;
a heater adapted to heat the gas cell;
a wiring board that is connected to a first side of the heater to supply power only to the heater via positive and negative power wires therein; and
a package that houses the gas cell, the coil, the heater, and a proximal end of the wiring board with respect to the heater, the laser source being spaced apart from the package, the package having an opening on a first side wall through which the wiring board passes,
wherein the positive and negative power wires are adjacent to each other in the wiring board, and
the first side wall of the package is located closer to the first side of the heater than other sides of the heater.

US Pat. No. 10,432,202

DETECTION AND COMPENSATION OF DIELECTRIC RESONATOR OSCILLATOR FREQUENCY DRIFT

MAXLINEAR, INC., Carlsba...

1. A system comprising:a processing circuit operable to:
determine a frequency drift for an input signal;
determine based on said frequency drift, one or more frequency related adjustments, wherein said one or more frequency related adjustments are configured to independently adjust at least two different characteristics of at least one circuit; and
apply said one or more frequency related adjustments to different circuits used during one or more of:
receiving of said input signal,
processing of said input signal,
processing of an intermediate signal generated based on said processing of said input signal, and
generating of an output signal corresponding to said input signal;
wherein said applying of said one or more frequency related adjustments is configured to meet one or more criteria.

US Pat. No. 10,432,199

LOW POWER, WIDE RANGE, HIGH NOISE TOLERANCE LEVEL SHIFTER

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

1. A level shifter for converting an input signal from a first voltage domain to an output signal for a second voltage domain, the level shifter comprising:a current mirror comprising a reference current transistor and a mirrored current transistor, wherein
gate electrodes of the reference and mirrored current transistors are tied and are connected to a drain electrode of the reference current transistor;
a pull-down network comprising a first and a second pull-down transistor, wherein
gate electrodes of the first and second pull-down transistors are respectively connected to an input signal node and an inverted input signal node, and
conduction channels of the first and second pull-down transistors are respectively connected in series with conduction channels of the reference and mirrored current transistors;
a pull-up transistor having a conduction channel connected to an intermediate node located between the mirrored current transistor and the second pull-down transistor;
a transition control transistor having a conduction channel connected to the gate electrode of the reference current transistor;
a first and a second inverter connected in series between the intermediate node and an output signal node, wherein
a control node is located between the first and second inverters, and
gate electrodes of the pull-up transistor and the transition control transistor are connected to the control node; and
a cut-off transistor having a gate electrode connected to the control node and a conduction channel connected in series between the conduction channel of the first pull-down transistor and a common negative power supply voltage for the first and second voltage domains.

US Pat. No. 10,432,194

ADAPTIVE SIGNAL THRESHOLD FOR TRIGGERING KICK DETECTION

1. A method of operating a sensor system with regard to generating a trigger signal indicative of an occurrence of an operator-actuated event in the presence of noise, the sensor system including at least one proximity sensor that generates a sensor signal indicative of a sensed physical quantity and a control unit having an evaluation unit, the method comprising steps of:acquiring, via the evaluation unit, sample values of the sensor signal at a predetermined sampling interval,
comparing, via the evaluation unit, a presently sampled value acquired as a presently sampled sensor signal with a first threshold value stored in a memory of the evaluation unit,
generating, via the evaluation unit, the trigger signal for controlling a motor-driven vehicle door member when the value obtained as the presently sampled sensor signal is as large as or exceeds the first threshold value,
omitting to generate, via the evaluation unit, the trigger signal when the value obtained as the presently sampled sensor signal is less than the first threshold value,
forming, via the evaluation unit, a subset out of the sampled values of the sensor signals, wherein a predetermined number of consecutively acquired sensor signals immediately preceding the presently sampled value are excluded from forming the subset,
based on the formed subset of sampled sensor signals, determining, via the evaluation unit, an update value for the first threshold value, and
adapting the first threshold value to the presence of noise, via the evaluation unit, by setting the first threshold value stored in the memory of the evaluation unit equal to the update value.

US Pat. No. 10,432,193

HIGH FREQUENCY MULTI-PORT SWITCH ARCHITECTURE

pSemi Corporation, San D...

1. A switching circuit having a common port coupled to a split absorptive module, wherein the split absorptive module includes a termination switch and at least an upper resistive element and a lower resistive element, each of the resistive elements coupled parallel to one another and parallel to and on opposite sides of the termination switch, such that the upper resistive element is spaced apart from the lower resistive element and the termination switch resides in the space between the upper and lower resistive elements, the termination switch having characteristics of a resistor in a first state and of a smaller resistance in a second state.

US Pat. No. 10,432,191

POWER MANAGEMENT SYSTEM AND METHOD THEREFOR

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

1. A power management device comprising:a first switch to couple a first node corresponding to a first reference voltage to a first terminal of a first device component in response to receiving a first indicator at a first time;
a compare circuit to determine at a second time that a voltage at the first terminal exceeds a first threshold value, the second time after the first time; and
a second switch to couple a second node corresponding to a second reference voltage to the first terminal in response the determining.

US Pat. No. 10,432,190

SEMICONDUCTOR DEVICE AND METHOD FOR CONTROLLING SEMICONDUCTOR DEVICE

KABUSHIKI KAISHA TOSHIBA,...

1. A semiconductor device, comprising:a first transistor including:
a first source electrode,
a first drain electrode,
a first gate electrode,
a silicon carbide layer which is between the first source electrode and the first drain electrode and between the first gate electrode and the first drain electrode, and
a diode formed in the silicon carbide layer as a pn junction, the first source electrode being an anode of the diode, the first drain electrode being a cathode of the diode, and the diode having a forward voltage that varies in accordance with a voltage applied to the first gate electrode;
a second transistor that includes a second source electrode, a second drain electrode connected to the first source electrode, and a second gate electrode; and
a gate controller configured to apply a first gate voltage to the first gate electrode and a second gate voltage to the second gate electrode such that
the first and second gate voltages are set to a predetermined off-state voltage at a first time,
the second gate voltage is set to a predetermined on-state voltage at a second time after the first time, while the first gate voltage is kept at the predetermined off-state voltage,
the second gate voltage is returned to the predetermined off-state voltage at a third time after the second time,
the first gate voltage is increased from the predetermined off-state voltage to an intermediate voltage that is less than a first threshold voltage of the first transistor while a difference between a voltage of the first drain electrode and a voltage of the first source electrode is decreasing, the intermediate voltage being applied at a fourth time after the third time and sufficient to alter the forward voltage of the diode and permit a forward current to flow in the diode, and
the first gate voltage is increased from the intermediate voltage to the predetermined on-state voltage at a fifth time after the fourth time.

US Pat. No. 10,432,185

TURN-OFF OF POWER SWITCHING DEVICE

Texas Instruments Incorpo...

1. A system, comprising:a storage capacitor coupled between an input voltage source and a ground terminal;
a voltage sensing circuit coupled to the input voltage source and to the storage capacitor;
a first transistor coupled to the voltage sensing circuit;
a current mirror circuit coupled to the first transistor;
a diode coupled between the storage capacitor and the current mirror circuit; and
a second transistor configured to couple between a gate of a power switching device and the ground terminal, wherein a gate of the second transistor is coupled to the storage capacitor by way of the voltage sensing circuit.

US Pat. No. 10,432,184

CHANNEL SWITCHOVER POWER MULTIPLEXER CIRCUITS, AND METHODS OF OPERATING THE SAME

Texas Instruments Incorpo...

1. A power multiplexer, comprising:a first transistor coupled to a first input;
a second transistor coupled to the first transistor to selectively couple a first voltage at the first input to an output;
a third transistor coupled to a second input;
a fourth transistor coupled to the third transistor to selectively couple a second voltage at the second input to the output;
a diode amplifier to provide a third voltage to a gate of the first transistor to block a reverse current; and
a soft-start amplifier to provide a fourth voltage to a gate of the fourth transistor to turn on the fourth transistor with a constant ramp rate.

US Pat. No. 10,432,181

DATA CONVERTER AND IMPEDANCE MATCHING CONTROL METHOD THEREOF

REALTEK SEMICONDUCTOR COR...

1. A data converter comprising:a comparator having a first input terminal and a second input terminal;
a capacitor array comprising a plurality of capacitors, wherein a first end of each capacitor is coupled to the first input terminal or the second input terminal; and
a switch and impedance matching circuit coupled to a second end of a target capacitor among the capacitors and configured to couple the second end to a first reference voltage or a second reference voltage according to a control signal and adjust an impedance according to an impedance adjusting signal, wherein the impedance is the impedance of the switch and impedance matching circuit;
wherein the first reference voltage is different from the second reference voltage;
wherein the switch and impedance matching circuit comprises:
a control terminal receiving the control signal;
an output terminal coupled to the second end of the target capacitor and configured to output the first reference voltage or the second reference voltage;
a first switch coupled between the output terminal and the first reference voltage;
at least one second switch;
a third switch coupled between the output terminal and the second reference voltage; and
at least one fourth switch;
wherein under the control of the impedance adjusting signal, one of the at least one second switch is connected in parallel with the first switch, and/or one of the at least one fourth switch is connected in parallel with the third switch.

US Pat. No. 10,432,180

APPARATUS AND METHOD FOR SIGNAL PROCESSING BY CONVERTING AMPLIFIED DIFFERENCE SIGNAL

Samsung Electronics Co., ...

1. A signal processing apparatus, comprising:a signal amplifier comprising a first input terminal, a second input terminal, a third input terminal and a fourth input terminal;
a first inputter configured to transfer a first input signal alternately to the first input terminal and the second input terminal;
a second inputter configured to transfer a second input signal alternately to the third input terminal and the fourth input terminal,
wherein the signal amplifier is configured to amplify a difference signal based on the first input signal and the second input signal, and output the amplified difference signal; and
a signal restorer configured to convert the amplified difference signal to a digital signal and integrate the digital signal over preset time intervals.

US Pat. No. 10,432,176

RELAXATION OSCILLATORS WITH REDUCED ERRORS OR NO ERRORS IN OUTPUT FREQUENCIES CAUSED BY CHANGES IN TEMPERATURES AND/OR FABRICATION PROCESSES

SYNCMOS TECHNOLOGIES INTE...

1. A relaxation oscillator, the oscillator comprising:a reference generator;
a capacitor;
a first comparator;
a second comparator;
a latch;
a temperature compensation circuit; and
a current trimming circuit configured to generate a trimming current by dividing a first bias current into multiple parts;
wherein:
the reference generator is configured to generate the first bias current, a first bias voltage and a second bias voltage;
the capacitor is configured to be charged by a charging current to generate a charged voltage, the charging current being generated based on at least the first bias current;
the first comparator is configured to compare the charged voltage and the first bias voltage to generate a first comparison result;
the second comparator is configured to compare the charged voltage and the second bias voltage to generate a second comparison result;
the latch is configured to generate a clock signal based on at least the first comparison result and the second comparison result, the clock signal being configured to be used to control charging and discharging of the capacitor a frequency of the clock signal being an output frequency of the relaxation oscillator; and
the temperature compensation circuit is configured to detect a change in temperature and adjust bias currents of the first comparator and the second comparator based on at least the detected change in temperature, so that propagation delays of the first comparator and the second comparator remain stable and independent of the change in temperature;
wherein the capacitor is configured to be charged by the charging current generated based on at least the trimming current.

US Pat. No. 10,432,175

LOW QUIESCENT CURRENT LOAD SWITCH

Texas Instruments Incorpo...

1. A load switch circuit comprising:a transistor including a gate, a source, and a drain;
a transconductor connected to the gate of the transistor;
a comparator connected to an input of the transconductor; and
a resistor including a first terminal and a second terminal, the first terminal connected to the gate of the transistor and the second terminal connected to at least one of a charge pump or ground,
wherein the comparator is configured to disable the transconductor when a voltage of the transistor gate reaches a charge pump voltage of the charge pump.

US Pat. No. 10,432,174

CLOSED LOOP FEEDBACK CONTROL OF INTEGRATED CIRCUITS

Facebook, Inc., Menlo Pa...

1. A method, comprising:adjusting a body bias voltage applied to a body of an integrated circuit to cause a measured value of an operating indicator of the integrated circuit to approach a desired value of the operating indicator;
wherein the body is electrically isolated from one or more electrical components disposed within the body.

US Pat. No. 10,432,172

BULK ACOUSTIC FILTER DEVICE AND METHOD OF MANUFACTURING THE SAME

Samsung Electro-Mechanics...

1. A bulk acoustic filter device, comprising:a substrate comprising a through hole formed by a first recess and a second recess adjacent to the first recess;
a membrane layer forming a cavity with the substrate;
a filter comprising a lower electrode disposed on the membrane layer, a piezoelectric layer disposed to cover a portion of the lower electrode, and an upper electrode formed to cover a portion of the piezoelectric layer; and
an electrode connecting member disposed in the substrate, and connected to either one of the lower electrode and the upper electrode,
wherein the electrode connecting member comprises an insertion electrode disposed in the first recess, and a via electrode connected to the insertion electrode, and disposed on an inner peripheral surface of the second recess and a surface of the substrate.

US Pat. No. 10,432,171

RADIO-FREQUENCY MODULE

MURATA MANUFACTURING CO.,...

1. A radio-frequency module comprising:a filter that is connected at one end to an input terminal and at another end to an output terminal; and
an amplifier that is connected at one end to the output terminal and at another end to the another end of the filter; wherein
the filter includes first and second filter portions, the first filter portion being disposed on a signal line electrically connecting the input terminal and the output terminal, the second filter portion being connected between the signal line and a ground;
each of the first and second filter portions includes a surface acoustic wave resonator including an IDT electrode provided on a piezoelectric substrate;
the IDT electrode includes a first busbar, a second busbar, a plurality of first electrode fingers, and a plurality of second electrode fingers, the second busbar opposing the first busbar, the plurality of first electrode fingers extending from the first busbar toward the second busbar so as not to reach the second busbar, the plurality of second electrode fingers extending from the second busbar toward the first busbar so as not to reach the first busbar, the plurality of second electrode fingers being disposed between the plurality of first electrode fingers in an interdigitated manner; and
in the surface acoustic wave resonator of the second filter portion, at least some of the first and second electrode fingers are electrically connected to each other.

US Pat. No. 10,432,170

ACOUSTIC WAVE FILTER DEVICE

Samsung Electro-Mechanics...

1. An acoustic wave filter device, comprising:a filter disposed on a substrate;
a wall member disposed on the substrate and surrounding the filter;
a cap member disposed on the wall member and bounding an internal space with the wall member; and
a support member disposed on the cap member,
wherein the support member is disposed above the internal space and comprises a bump disposed on the cap member, and
wherein the support member is exposed through a passivation layer disposed on the cap member.

US Pat. No. 10,432,169

BONDED BODY AND ELASTIC WAVE ELEMENT

NGK INSULATORS, LTD., Na...

1. A bonded body comprising:a supporting body comprising a ceramic;
a bonding layer provided over a surface of said supporting body and comprising one or more materials selected from the group consisting of mullite, alumina, tantalum pentoxide, titanium oxide and niobium pentoxide;
a piezoelectric single crystal substrate bonded with said bonding layer; and
an intermediate layer between said piezoelectric single crystal substrate and said bonding layer, said intermediate layer comprising one or more materials selected from the group consisting of mullite, alumina, tantalum pent oxide, titanium oxide and niobium pentoxide,
wherein said surface of said supporting body has an arithmetic average roughness Ra of 0.5 nm or larger and 5.0 nm or smaller, and
wherein a surface of said bonding layer and a surface of said intermediate layer are bonded.

US Pat. No. 10,432,168

SYSTEMS AND METHODS FOR QUARTZ WAFER BONDING

GENERAL ELECTRIC COMPANY,...

26. A method for bonding a quartz wafer package, comprising:bonding a first quartz wafer to a second quartz wafer using a bonding layer disposed in between the first and second quartz wafers to form the quartz wafer package, wherein the bonding layer comprises a liquid crystal polymer (LCP) material, wherein bonding comprises:
purging a chamber of a wafer bonder tool that contains the quartz wafer package;
ramping to a first temperature over a desired time period inside the chamber;
dwelling at the first temperature for a desired time period;
ramping to a second temperature, which is higher than the first temperature, over a desired time period inside the chamber;
applying a first force to the quartz wafer package using a top plate of the wafer bonder tool;
dwelling at the second temperature and first force for a desired time period;
cooling to a third temperature over a desired time period inside the chamber;
removing the first force from the quartz wafer package;
cooling to a fourth temperature over a desired time period inside the chamber; and
cooling to a fifth temperature over a desired time period inside the chamber, wherein each of the first quartz wafer and the second quartz wafer comprises at least one cavity, and wherein at least three interdigitated structures are disposed with the at least one cavity of each of the first quartz wafer and the second quartz wafer.

US Pat. No. 10,432,166

PIEZOELECTRIC THIN FILM RESONATOR, FILTER, AND MULTIPLEXER

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

11. A multiplexer comprising:a filter including a piezoelectric thin film resonator, wherein
the piezoelectric thin film resonator includes:
a substrate;
a piezoelectric film located on the substrate;
a lower electrode and an upper electrode facing each other across at least a part of the piezoelectric film;
a first insertion layer located between the lower electrode and the upper electrode and located in at least a part of an outer peripheral region within a resonance region in which the lower electrode and the upper electrode face each other across the piezoelectric film, the first insertion layer being not located in a center region of the resonance region; and
a second insertion layer located between the lower electrode and the upper electrode and located in at least a part of the outer peripheral region within the resonance region, the second insertion layer being not located in the center region of the resonance region, a position of an inner edge of the second insertion layer in the resonance region being different from a position of an inner edge of the first insertion film in the resonance region in a plan view,
wherein the first insertion layer and the second insertion layer have different acoustic impedances.

US Pat. No. 10,432,164

IMPEDANCE MATCHING CIRCUIT OF COMMUNICATION APPARATUS

ELECTRONICS AND TELECOMMU...

1. A matching circuit in a communication apparatus, comprising:a first inductor disposed at a primary side of a transformer;
a second inductor disposed at a secondary side of the transformer;
a third inductor disposed as a tertiary side of the transformer; and
an impedance element connected to the first inductor and the second inductor,
wherein a first terminal of the first inductor is connected to an input terminal of the transformer, a second terminal of the first inductor is connected to a common node connected to a ground, a first terminal of the second inductor is connected to a high-frequency amplifier, a second terminal of the second inductor is connected to the common node, a first terminal of the third inductor is connected to the high-frequency amplifier, a second terminal of the third inductor is connected to the ground, a first terminal of the impedance element is connected to the common node, and a second terminal of the impedance element is connected to the ground.

US Pat. No. 10,432,163

VARIABLE FILTER CIRCUIT, HIGH FREQUENCY MODULE CIRCUIT, AND COMMUNICATION DEVICE

MURATA MANUFACTURING CO.,...

1. A variable filter circuit comprising:a plurality of serial arms, a first serial arm including a plurality of circuit elements that are connected in series with respect to a signal path; and
a first parallel arm including a plurality of circuit elements that are connected between the signal path and ground,
wherein the first serial arm and the first parallel arm each includes:
a variable reactance element;
a series reactance element connected in series to the variable reactance element and that resonates with the variable reactance element; and
a parallel reactance element connected in parallel to the variable reactance element and that resonates with the variable reactance element,
wherein, in each of the first serial arm and the first parallel arm, a frequency at which the variable reactance element and the parallel reactance element resonate is lower than a frequency at which the variable reactance element and the series reactance element resonate, and
wherein at least one of the plurality of serial arms is connected on each side of the first parallel arm.

US Pat. No. 10,432,162

ACOUSTIC RESONATOR INCLUDING MONOLITHIC PIEZOELECTRIC LAYER HAVING OPPOSITE POLARITIES

Avago Technologies Intern...

1. A method of forming a bulk acoustic wave (BAW) resonator, comprising:depositing a first electrode layer over a resonator substrate and an acoustic reflector;
depositing a piezoelectric layer on the first electrode layer during a continuous deposition sequence, wherein depositing the piezoelectric layer comprises:
sputtering aluminum nitride (AlN) on the first electrode layer inside a reaction chamber having a gas atmosphere for a first period of time corresponding to the continuous deposition sequence, the gas atmosphere comprising nitrogen (N2) gas and argon (Ar) gas, causing growth of the piezoelectric layer with a polarity in a negative direction; and
adding a predetermined amount of oxygen gas, comprising oxygen (O2) gas or ozone (O3) gas, to the gas atmosphere over a predetermined second period of time, less than the first period of time, while continuing the sputtering of the aluminum nitride (AlN) onto the first electrode layer while adding the predetermined amount of oxygen gas and during a remainder of the continuous deposition sequence after the predetermined second period of time, such that the piezoelectric layer is monolithic, wherein the predetermined amount of oxygen gas causes the polarity of the piezoelectric layer to invert from the negative direction to a positive direction, opposite the negative direction, for the remainder of the continuous deposition sequence, and wherein the polarity in the negative direction is directed substantially toward the first electrode layer, and the polarity in the positive direction is directed substantially away from the first electrode layer; and
depositing a second electrode layer over the piezoelectric layer,
wherein the predetermined amount of oxygen gas added to the gas atmosphere is in a range from about 50 micromoles to about 5 millimoles, and wherein the predetermined second period of time is in a range from about one (1) second to about sixty (60) seconds.

US Pat. No. 10,432,160

CIRCUIT ARRANGEMENT, MOBILE DEVICE AND METHOD FOR AMPLIFYING A SIGNAL

Intel IP Corporation, Sa...

1. A circuit arrangement, comprising:at least one amplifier circuit configured to amplify a received signal comprising a first signal received in a first time interval and a second signal received in a second time interval, wherein the first signal or the second signal is sent by one coherent wireless signal source and the other of the first or the second signal is sent by at least two coherent wireless signal sources; and
at least one gain control circuit connected to the at least one amplifier circuit and configured to
determine a first expected received signal strength of the first signal;
determine a second expected received signal strength of the second signal;
determine a gain level based on the first and second expected received signal strengths;
wherein the at least one amplifier circuit is configured to amplify the first signal using the determined gain level and to amplify the second signal using the determined gain level.

US Pat. No. 10,432,154

REGULATION OF AN RF AMPLIFIER

STMicroelectronics SA, M...

1. A radio frequency (RF) amplifier comprising:an input terminal;
an output terminal;
a power supply and biasing stage comprising a first amplifier having an output coupled to the input terminal, and a second amplifier having an output coupled to a current source; and
an amplification stage comprising a first transistor having a control terminal coupled to the input terminal and a first conduction terminal coupled to the output terminal, wherein the power supply and biasing stage is configured to generate a bias voltage at the control terminal of the first transistor to simultaneously regulate a power supply voltage of the amplification stage to a first voltage and a bias current of the amplification stage to a first current, wherein the first amplifier is configured to regulate the first conduction terminal of the first transistor to the first voltage, the first amplifier configured to provide, at the output of the first amplifier, the bias voltage, wherein the second amplifier is configured to regulate the bias current to the first current.

US Pat. No. 10,432,153

BIASING METHOD WITHOUT USING THERMAL COMPENSATION APPLICABLE FOR BOTH CLASS-A AND CLASS-AB AUDIO POWER AMPLIFIER

1. A biasing circuit which provides biasing voltage for typical solid state output stage formed by complimentary Emitter Follower (hereinafter EF), complimentary Source Follower (hereinafter SF), or Complimentary Feedback Pair (hereinafter CFP), in an audio frequency power amplifier to establish stable biasing current comprising:a current sensing circuit which tracks the instantaneous conducting current in the complimentary power devices of said complimentary output stage and generates a complimentary voltage output pair with each voltage value corresponding to said output device current under tracking, respectively; wherein and hereinafter said complimentary device or voltage pair refers to the conjugative device pair of N and P type semiconductor devices or the conjugative voltage pair with one related to N type device and the other related to P type device, respectively;
a complimentary voltage reference generator which generates a complimentary reference voltage pair which pairs with aforementioned complimentary voltage output pair to form a complimentary differential voltage pair to be used as the input of the complimentary differential amplifier mentioned hereinafter,
a complimentary differential amplifier which takes aforementioned complimentary differential voltage pair as its input and generates an amplified differential output voltage which is only sensitive and related to the quiescent biasing current despite of the instant operation condition of the output transistor devices; wherein said complimentary differential amplifier contains only one amplification stage and said differential output voltage directly forms the input to the voltage multiplier mentioned hereinafter;
a voltage multiplier which takes said voltage output of aforementioned complimentary differential amplifier as its input and generates an amplified output voltage which forms the biasing voltage and hence determines the quiescent biasing current of aforementioned complimentary output stage devices;
a negative feedback scheme/loop which is formed through the connection of aforementioned current-to-voltage conversion circuit, complimentary reference voltage pair, complimentary differential amplifier, voltage multiplier and output devices; through which a desired quiescent biasing current is established and maintained in said complimentary output devices; wherein said feedback scheme/loop is constructed as described in following: said complimentary voltage output pair of said current sensing circuit and said complimentary reference voltage pair of said complimentary voltage reference generator form a complimentary differential input voltage pair which is connected to said input nodes of said complimentary differential amplifier; said differential output voltage nodes of said complimentary differential amplifier are connected to said input nodes of said voltage multiplier; said output nodes of said voltage multiplier are connected to the input nodes of said complimentary output power stage; through the formation of said feedback scheme/loop, the polarity of each connection is constructed in a way that only a negative (other than positive) feedback is formed within the entire loop when quiescent biasing current on output stage is considered as the variable in the feedback system.

US Pat. No. 10,432,152

RF AMPLIFIER OUTPUT CIRCUIT DEVICE WITH INTEGRATED CURRENT PATH, AND METHODS OF MANUFACTURE THEREOF

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

1. A device comprising:first and second parallel opposed surfaces;
first and second parallel opposed sides extending between the first and second surfaces;
a first ceramic capacitor formed from a first stack that includes a first electrode, a second electrode, and at least one first ceramic layer between the first and second electrodes, wherein the at least one first ceramic layer is formed from a first ceramic material that has a first quality factor, and wherein the first and second electrodes are parallel with the first and second surfaces of the device;
a second ceramic capacitor formed from a second stack that includes a third electrode, a fourth electrode, and at least one second ceramic layer between the third and fourth electrodes, wherein the at least one second ceramic layer is formed from a second ceramic material that has a second quality factor, wherein the second quality factor is higher than the first quality factor, and wherein the third and fourth electrodes are parallel with the first and second surfaces of the device;
a conductive current path structure that includes a lateral conductor, a first vertical conductor proximate to the first side of the device, and a second vertical conductor proximate to the second side of the device, wherein the lateral conductor is parallel with the first and second surfaces of the device, and is located between the first and second ceramic layers, the first vertical conductor extends from a first end of the lateral conductor to the first surface of the device, and the second vertical conductor extends from a second end of the lateral conductor to the first surface of the device; and
one or more additional passive components integrally formed with the device, and electrically connected between the first and third electrodes, wherein the first and second ceramic materials, the first, second, third, and fourth electrodes, the lateral conductor, and the one or more additional passive components are co-fired together to form a monolithic device.

US Pat. No. 10,432,151

AUDIO AMPLIFIERS

Cirrus Logic, Inc., Aust...

18. An audio driving circuit for receiving an input audio signal and an output for outputting an audio driving signal, the audio driving circuit comprising:an amplifier;
a pre-distortion module operable to apply an adaptive non-linear distortion function to the input audio signal;
an error block for determining a first error signal indicative of any error between the input audio signal and the audio driving signal based on a feedback signal of the voltage of the audio driving signal, wherein an analogue-to-digital conversion module is provided for receiving an analogue feedback signal derived from the audio driving signal and outputting a corresponding digital signal as a second signal, and wherein the analogue-to-digital conversion module comprises an analogue-to-digital converter (ADC) and an analogue gain element configured to apply analogue gain to the analogue feedback signal before the ADC the analogue gain element configured to apply said analogue gain to so as to limit the input to the ADC to lie within a first predetermined voltage range that corresponds to a linear operating range of the ADC;
wherein the pre-distortion module comprises a controller for adapting the non-linear distortion function applied based on the first error signal.

US Pat. No. 10,432,150

REDUCING AUDIO ARTIFACTS IN AN AMPLIFIER DURING CHANGES IN POWER STATES

Cirrus Logic, Inc., Aust...

1. An apparatus comprising:a digital-to-analog converter configured to convert a digital audio input signal into a differential analog input signal with a substantially non-zero common-mode voltage;
an amplifier configured to receive the differential analog input signal and generate at an amplifier output a ground-centered output signal from the differential analog input signal;
a clamp configured to selectively couple and decouple the amplifier output to a ground voltage; and
a controller configured to:
control the clamp to selectively couple and decouple the amplifier output to a ground voltage responsive to transitions between power states of a device comprising the apparatus; and
control the differential analog input signal generated by the digital-to-analog converter in order to minimize a level transition current through an output load coupled to the amplifier output during transitions between the power states.

US Pat. No. 10,432,147

INVERTED THREE-STAGE DOHERTY AMPLIFIER

SUMITOMO ELECTRIC DEVICE ...

1. An inverted three-stage Doherty amplifier that outputs an amplified signal by receiving an input signal, comprising:an input power divider that receives the input signal and outputs three divided signals, where one of the three divided signals has a phase delayed by it ?/2 from phases of the rest of the three divided signals;
a carrier amplifier including an offset transmission line, the carrier amplifier receiving one of the rest of the three divided signals;
first and second peak amplifiers each including offset transmission lines, the first peak amplifier receiving another of the rest of the three divided signals, the second peak amplifier receiving the one of the three divided signals, the offset transmission line in the carrier amplifier and the offset transmission lines in the first and second peak amplifiers converting output impedances thereof to be short-circuits when the carrier amplifier and the first and second peak amplifiers are turned off; and
an output combiner that combines outputs of the carrier amplifier and the first and second peak amplifiers, the output combiner including,
a first quarter-wavelength line connected with the carrier amplifier,
a second quarter-wavelength line connected with the first peak amplifier,
a third quarter-wavelength line connected with the second peak amplifier,
a fourth quarter-wavelength line connected with the first quarter-wavelength line and the second quarter-wavelength line, the fourth quarter-wavelength line combining an output of the carrier amplifier provided through the first quarter-wavelength line with an output of the first peak amplifier provided through the second quarter-wavelength line, and
a fifth quarter-wavelength line connected with the third quarter-wavelength line and the fourth quarter-wavelength line, the fifth quarter-wavelength line combining an output of the second peak amplifier provided through the third quarter-wavelength line with a combined output of the carrier amplifier and the first peak amplifier provided through the fourth quarter-wavelength line; and outputting a combined output of the carrier amplifier and the first and second peak amplifiers,
wherein the first peak amplifier has a size greater than a size of the carrier amplifier; and
wherein the second peak amplifier has a size greater than the size of the first peak amplifier.

US Pat. No. 10,432,146

POWER AMPLIFIER, POWER AMPLIFICATION METHOD, AND POWER AMPLIFICATION CONTROL APPARATUS AND METHOD

Huawei Technologies Co., ...

6. An apparatus comprising:a power amplifier, the power amplifier comprising n Doherty power amplifiers, wherein n?2 and n is an integer, wherein each of then Doherty power amplifiers comprises one input end and one output end;
a processor of a signal control system, the signal control system configured to provide n input signals to the power amplifier; and
a computer-readable storage medium storing a program to be executed by the processor, the program including instructions for:
determining, according to a working mode of the power amplifier, a power threshold corresponding to the power amplifier;
adjusting, when power levels of the n input signals reach the power threshold, the n input signals to n non-outphasing input signals or n outphasing input signals; and
controlling a transceiver to send the n adjusted input signals separately to the input ends of the Doherty power amplifiers.

US Pat. No. 10,432,145

ENVELOPE TRACKING CIRCUIT

Qorvo US, Inc., Greensbo...

1. An envelope tracking (ET) circuit comprising:an amplifier array comprising:
a plurality of signal inputs configured to receive a plurality of pre-processed radio frequency (RF) signals generated from an RF signal and modulated in a plurality of phase and amplitude terms, respectively;
a plurality of amplifier circuits coupled to the plurality of signal inputs and configured to amplify the plurality of pre-processed RF signals modulated in the plurality of phase and amplitude terms to generate a plurality of RF transmit signals, respectively; and
a plurality of signal outputs coupled to the plurality of amplifier circuits and configured to output the plurality of RF transmit signals, respectively; and
a signal processing circuit coupled to the amplifier array and configured to:
determine a combined distortion term of the plurality of RF transmit signals; and
pre-distort the RF signal with a distortion correction term to offset the combined distortion term in the plurality of RF transmit signals.

US Pat. No. 10,432,144

HIGH-FREQUENCY PHASE-LOCKED OSCILLATION CIRCUIT

National Institute of Adv...

1. A high-frequency phase-locked oscillation circuit comprising:a magnetoresistive element that oscillates a high-frequency wave with an oscillating frequency fout;
a reference signal source that outputs a reference signal with a reference frequency fref; and
a phase-locked loop circuit having a phase comparator, a loop filter, and a frequency divider,
wherein the high-frequency phase-locked oscillation circuit further includes:
an adder that adds a voltage A output from the loop filter and corresponding to a phase error signal and a bias voltage B for oscillating the high-frequency wave from the magnetoresistive element, and that inputs an added bias voltage (A+B) to the magnetoresistive element; and
a filter provided between the frequency divider and the magnetoresistive element, the filter cutting off the reference frequency L while allowing the oscillating frequency fout to pass through the filter.

US Pat. No. 10,432,142

VOLTAGE CONTROLLED OSCILLATOR WITH TUNABLE INDUCTOR AND CAPACITOR

Oracle International Corp...

1. A circuit comprising:a variable capacitance bank comprising one or more capacitors;
a transformer having a first winding and a second winding, wherein the first winding and the variable capacitance bank are arranged to form an inductive-capacitive (LC) tank circuit of a voltage-controlled oscillator (VCO);
a current control circuit coupled to the second winding, wherein the current control circuit is configured to vary an effective inductance of the first winding by controlling an amount of current flowing through the second winding; and
a reference current circuit coupled to inject a current into a center tap of the first winding;
wherein a frequency of a signal generated by the VCO is adjustable by adjusting the effective inductance of the first winding.

US Pat. No. 10,432,141

MULTIMODE VOLTAGE CONTROLLED OSCILLATOR

QUALCOMM Incorporated, S...

1. A circuit comprising:a voltage controlled oscillator comprising one or more inductors, one or more capacitors, and at least two cross coupled transistors;
a first transistor having an opposite device type than the cross coupled transistors;
a second transistor having the opposite device type than the cross coupled transistors;
first and second capacitive attenuator circuits, the first capacitive attenuator circuit including a first capacitor series coupled with a second capacitor, the second capacitive attenuator circuit include a third capacitor series coupled with a fourth capacitor, wherein the first transistor is cross coupled to the second transistor through the first capacitor of the first capacitive attenuator circuit and the second transistor is cross coupled to the first transistor through the third transistor of the second capacitive attenuator circuit; and
a first circuit coupling the second capacitor of the first capacitive attenuator circuit to the fourth capacitor of the second attenuator circuit exclusive of the cross couplings between the first transistor and the second transistor.

US Pat. No. 10,432,140

METHOD FOR TESTING A CONCENTRATED PHOTOVOLTAIC MODULE

Saint-Augustin Canada Ele...

1. A method for testing a concentrated photovoltaic module comprising a plurality of sub-modules, each comprising a plurality of assemblies of a photovoltaic cell and a concentrator arranged relative to the cell to concentrate toward the cell radiation arriving in normal incidence, wherein:a plurality of almost collimated light beams is obtained by reflecting light originating from each light source of a plurality of light sources by a parabolic mirror, a plurality of light sources being coupled to respective parabolic mirrors and each light source and the corresponding parabolic mirror being oriented relative to each other,
the plurality of almost collimated light beams is sent toward the module by means of the plurality of light sources coupled to the respective parabolic mirrors, each light source comprising a lamp adapted to emit a light pulse and a supply device adapted to electrically supply the lamp, each light source having a turn-on delay between triggering of the supply device and emission of the pulse by the lamp, the delay being particular to each respective light source,
the supply device of each lamp is triggered at a respective instant determined as a function of the turn-on delay of the lamp such that the pulses of all of the lamps are simultaneously emitted and simultaneously received by the sub-modules, and
the response of the module is measured during the simultaneous pulses,
wherein the turn-on delay of each lamp is previously determined by measuring the triggering instant of the supply device and the instant of the pulse, the turn-on delay being determined as being equal to the difference between the instant of the pulse and the triggering instant.

US Pat. No. 10,432,139

ELECTRIC ARC DETECTION IN PHOTOVOLTAIC INSTALLATIONS

1. A method for estimating a series or parallel nature and a location of an arc in a photovoltaic device, including N (N=1 or N>1) strings of photovoltaic modules, connected to a charge device having a capacitive behavior for the modules, the method comprising:a) measuring, at terminals of each of the modules of each string, evolution of voltage over time, at least during formation of an electric arc;
b) identifying modules at the terminals of which a voltage variation occurs between a first duration during which the voltage has a substantially stable slope and a second duration during which the voltage has a substantially stable slope for a duration of at least 5 ?s, which immediately follows the voltage variation, and identifying the positive or negative direction of each voltage variation;
c) estimating the location of the arc in the photovoltaic device and whether the arc has a series or parallel nature, based on the information on the modules at the terminals of which the voltage variation occurs, and the positive or negative direction of each voltage variation; and
d) disconnecting the photovoltaic modules from other circuits connected to the photovoltaic device based on the location of the arc and the series or parallel nature of the arc,
wherein, when the voltage at the terminals of a module of one of the strings of the device decreases, when the voltage at the terminals of all other modules of the same string increases, it is concluded that a parallel arc is occurring across the terminals of the module or that a series arc is occurring within the module, and
wherein, when the voltage at the terminals of the module:
decreases to the arc voltage value, it is concluded that a parallel arc is occurring across the terminals of the module, and
decreases by an absolute value substantially equal to Varc/((1/nmod)?1), wherein Varc is the final voltage of the arc, and nmod is the number of modules in the string concerned, it is concluded that a series arc is occurring within the module.

US Pat. No. 10,432,137

SOLAR ENERGY COLLECTOR AND METHOD OF OPERATION

1. A solar energy system comprising:a sphere having upper and lower hemispheres, the upper hemisphere comprising a plurality of hemispherical protrusions disposed on an inner surface of the upper hemisphere, the lower hemisphere comprising a mirrored coating disposed on an inner surface of the lower hemisphere, the upper and lower hemispheres being joined at a midline region;
a component support frame extending into an interior portion of the sphere proximate the midline region, the component support frame having upper and lower mounting surfaces;
an upper solar panel comprising a first plurality of solar cells mounted to the upper mounting surface of the component support frame in the interior portion of the sphere and having an active surface directed toward the upper hemisphere; and
a lower solar panel comprising a second plurality of solar cells mounted to the lower mounting surface of the component support frame in the interior portion of the sphere and having an active surface directed toward the lower hemisphere.

US Pat. No. 10,432,134

SUPPORT STRUCTURE FOR SOLAR MODULE

DOW GLOBAL TECHNOLOGIES L...

1. A solar module comprising:a. an active portion that supports one or more photovoltaic elements; and
b. a support portion formed integrally with the active portion such that the support portion and the active portion are oriented in a plane, the support portion comprising an intermediate portion and an overlap portion,
 wherein the support portion and the active portion each comprise:
i. an upper surface,
ii. a lower surface,
iii. or both;
wherein the upper surface or the lower surface of the support portion includes:
a plurality of reinforcement ribs, wherein the plurality of reinforcement ribs are a series of interconnected closed patterns, a plurality of partially interconnected closed patterns, or a combination thereof so that a series of reinforcement ribs substantially cover the support portion; and
wherein:
A. the intermediate portion is positioned between the overlap portion and the active portion and acts as a structural interface between the active portion and the overlap portion, and wherein the intermediate portion includes one or more gate locations;
B. the plurality of reinforcement ribs extend at an angle along the support portion so that an effective modulus of the support portion along a width direction is substantially equal to an effective modulus of the support portion along a length direction; and
C. the active portion has a length that is measured from an edge proximate to the intermediate portion to an opposing edge of the active portion, the support portion having a length that is measured from an edge of the intermediate portion proximate to the active portion to an opposing edge of the overlap portion, and the length of the overlap portion plus the intermediate portion is substantially the same as or greater than the length of the active portion.

US Pat. No. 10,432,133

CLAMPS FOR SOLAR SYSTEMS

SUNPOWER CORPORATION, Sa...

15. A method of assembling an array of solar modules, the method comprising:forming an array of solar modules;
snapping a plurality of skirt clips to frames of the solar modules; and
snapping skirt segments to the plurality of skirt clips to couple the skirt segments to the solar modules,
wherein each of the skirt clips includes an upper member having a first end that connects to a corresponding frame of the solar modules and a second end that connects to a corresponding skirt segment, a lower member having a first end that connects to the corresponding frame of the solar modules and a second end that connects to the corresponding skirt segment, and a connecting member extending from the first end of the upper member to the second end of the lower member, the upper member being parallel to the lower member.

US Pat. No. 10,432,128

FREQUENCY CONVERTER

Schmidhauser AG, Romansh...

1. A frequency converter for generating at least one frequency converter output voltage which is a phase voltage of an electric motor, wherein the at least one frequency converter output voltage has a frequency converter output voltage amplitude and a frequency converter output voltage frequency, the frequency converter output voltage amplitude determines a torque produced by the electric motor, and the frequency converter output voltage frequency determines a rotational speed of the electric motor, the frequency converter comprising:a clocked DC/DC converter which is designed to generate from an input direct voltage comprising an input voltage level a DC/DC converter output voltage having a DC/DC converter output voltage level, wherein the clocked DC/DC converter is designed to generate the DC/DC converter output voltage level based on a predetermined frequency converter output voltage amplitude modified by a modulation signal configured to minimize a torque ripple; and
a clocked inverter comprising a number of controllable switches, to which inverter the DC/DC converter output voltage is applied and which is designed to actuate the switches with an inverter switching frequency in such a manner that the at least one frequency converter output voltage with the modified predetermined frequency converter output voltage amplitude and a predetermined frequency converter output voltage frequency is generated from the DC/DC converter output voltage,
wherein
the inverter switching frequency corresponds to the prescribable frequency converter output voltage frequency, and
the frequency converter is configured such that the modified predetermined frequency converter output voltage amplitude is generated by the clocked DC/DC converter before the DC/DC converter output voltage is applied to the inverter.

US Pat. No. 10,432,127

METHOD OF DISSIPATING REGENERATIVE ENERGY IN CARGO HANDLING SYSTEMS

GOODRICH CORPORATION, Ch...

1. A cargo handling system, comprising:a direct current power bus;
a motor connected to the direct current power bus and having a flux reference input; and
a unit controller connected to the motor and configured to detect a level of regenerative energy on the direct current power bus and to alter the flux reference input in response to the level of regenerative energy.

US Pat. No. 10,432,126

CONTROL DEVICE FOR AN ASYNCHRONOUS MACHINE AND METHOD FOR OPERATING AN ASYNCHRONOUS MACHINE

Robert Bosch GmbH, Stutt...

6. An electric drive system (10), comprising:an asynchronous machine (1);
an inverter (3) coupled to the asynchronous machine (1) and configured to provide a polyphase current supply for the asynchronous machine (1); and
a control device (2) configured to determine a working point trajectory for the asynchronous machine (1) for a plurality of desired torques of the asynchronous machine (1) by calculating 2-tuples from longitudinal current values and cross current values in a synchronously rotating coordinate system of the asynchronous machine (1), calculating a slip frequency of the asynchronous machine (1) for each of the 2-tuples calculated from longitudinal current values and cross current values, and calculating an excitation frequency of the asynchronous machine (1) by summation of the calculated slip frequency and a present rotor speed weighted with the number of pole pairs of the asynchronous machine (1), and the control device (2) configured to compare the excitation frequency of the asynchronous machine (1) with at least one predetermined resonance frequency value of the asynchronous machine (1), and correcting the working point trajectory by changing the ratio between longitudinal current value and cross current value at a constant desired torque for each of the 2-tuples for which the calculated excitation frequency corresponds to the at least one resonance frequency value;
the control device coupled to the inverter (3) configured to control the inverter (3) according to the method as claimed in claim 1 for operating the asynchronous machine (1).

US Pat. No. 10,432,123

CONTROL APPARATUS FOR AC MOTOR

DENSO CORPORATION, Kariy...

1. An AC motor control apparatus, comprising:an inverter which supplies, to a polyphase AC motor, AC power that has been converted by a plurality of switching elements; and
a current controller which calculates drive signals for driving the inverter and controls driving of the AC motor, through fundamental wave current control that makes a 1st-order component of an actual current, which is fed back, coincide with a fundamental wave current command vector in dq coordinates, and through high-order current control that makes one or more specific high-order components, extracted from the actual feedback current, coincide with a high-order current command vector in high-order dq coordinates, wherein
the current controller includes:
a high-order voltage command calculation section that calculates a high-order voltage command vector by means of feedback control which causes a high-order transformation value of a high-order component having a specific order, extracted from the actual current, to coincide with a high-order dq-axes current command value; and
a high-order vector transformation section that executes high-order vector transformation processing on a high-order current vector deviation which is inputted to the high-order voltage command calculation section or on a high-order voltage command vector which is calculated by the high-order voltage command calculation section, such as to cause a high-order voltage vector and a high-order current vector to coincide in phase in high-order dq coordinates, with the high-order vector transformation processing including rotation that rotates a high-order vector.

US Pat. No. 10,432,121

METHOD FOR IDENTIFYING MAGNETIC SATURATION PARAMETERS OF AN ASYNCHRONOUS ELECTRIC MOTOR

SCHNEIDER TOSHIBA INVERTE...

1. A method of identifying the magnetic saturation parameters of an asynchronous electric motor (M), the method comprising implementing a sequence comprising one or more iterations, each iteration being defined with a rank i, with i ranging from 1 to n, each iteration of rank i when i is greater than or equal to 2 comprising the following steps:a) applying a trajectory to a reference voltage or to a reference flux, over a reference range (PLref_i) having a voltage or flux amplitude between a minimum value and a maximum value,
b) acquiring the values of the currents (ia, ib and ic) in the phases of the electric motor and determining the corresponding magnetization current,
c) estimating the magnetization flux p(?),
d) constructing an actual profile for the iteration of rank i comprising said estimated magnetization flux according to the measured magnetization current,
e) determining the magnetic saturation parameters corresponding to the actual profile of the iteration of rank i,
f) determining a deviation (Er _i) between said actual profile for the iteration of rank i and a theoretical profile constructed from the magnetic saturation parameters obtained during the iteration of rank i?1, and
g) validating the magnetic saturation parameters obtained during the iteration of rank i when said deviation is less than a threshold (Ermax) and when the reference range (PLref_i) applied at the input has a sufficient amplitude.

US Pat. No. 10,432,115

MOTOR DRIVING CONTROL APPARATUS

MICROSPACE CORPORATION, ...

9. A motor-assisted vehicle, comprising:a motor; and
a motor driving control apparatus, comprising:
a first signal generator configured to generate a first signal representing which rotation angle section of a plurality of rotation angle sections a present rotation angle section is, according to a sensor signal that changes every predetermined rotation angle of a rotor of the motor, wherein each of the plurality of rotation angle sections has the predetermined rotation angle;
a measurement unit configured to measure a period of each of the plurality of rotation angle sections according to the sensor signal;
a prediction unit configured to predict a period of a next rotation section based on one or plural rotation angle sections measured by the measurement unit;
a second signal generator configured to generate a second signal representing a relative rotation angle of the rotor in the next rotation angle section for each period that is obtained by dividing the predicted period by a predetermined number; and
a third signal generator configured to generate a third signal that represents a rotation angle of the rotor, which is a sum of a rotation angle corresponding to a rotation angle section represented by the first signal and the relative rotation angle represented by the second signal, to control generation of at least one driving voltage to be supplied to the motor.

US Pat. No. 10,432,114

ELECTRIC MOTOR, GEAR MOTOR, WIPING SYSTEM AND ASSOCIATED CONTROL METHOD

1. A brushless direct current electric motor for a wiping system, comprising:a rotor comprising a control magnet;
a stator having electromagnetic excitation coils of the rotor;
at least one Hall effect sensor configured to detect an angular position of the control magnet;
a control unit connected to said Hall effect sensor and configured to determine at least one angular position of the rotor in relation to the stator from the signals from the Hall effect sensor and to generate control signals to power the electromagnetic excitation coils of the stator as a function of the determined angular position of the rotor,
wherein the control unit comprises a clock and is configured to:
estimate the angular position of the rotor at a plurality of predetermined instants lying between two changes of state of the Hall effect sensor from the instants of the preceding changes of state,
determine values of the control voltages associated with the angular positions of the rotor estimated for the predetermined instants, and
generate a sinusoidal or substantially sinusoidal control signal from the determined voltage values.

US Pat. No. 10,432,112

ULTRASONIC MOTOR

1. Ultrasonic motor comprising an ultrasonic actuator, functioning as a waveguide resonator, in the form of a rectangular piezo-electrical plate having two main surfaces that are largest in terms of area and side surfaces that join said main surfaces to one another, an element to be driven and an electrical excitation device, wherein at least one friction element is arranged on at least one side surface of said ultrasonic actuator and is in frictional contact with said element to be driven, and said piezo-electrical plate is along its longitudinal direction divided into three parts, wherein the central part forms a generator for an acoustic longitudinal standing wave, and the peripheral parts bordering said central part form generators for an acoustic bending standing wave, and each of said generators is electrically connected to said electrical excitation device and can be electrically controlled, wherein each of said generators for an acoustic bending standing wave is divided, along the thickness direction of said piezo-electrical plate into two equally-sized and electrically individually controllable sub-generators, said sub-generators each having layers of excitation electrodes, and layers of general electrodes, and layers of piezo-ceramics arranged therebetween.

US Pat. No. 10,432,110

POWER CONVERTER HAVING RESONANT FREQUENCIES AROUND TWO AND FOUR TIMES THE SWITCHING FREQUENCY

TDK CORPORATION, Tokyo (...

1. A power converter comprising:two direct current (DC) input terminals that are plus and minus and into which a DC voltage is inputted;
two alternating current (AC) output terminals that output an AC voltage;
a switch with two ends;
a first resonant capacitance connected between both ends of the switch;
a first LC resonance circuit that is connected in series together with the switch between the AC output terminals; and
a second LC resonance circuit that is connected between the two DC input terminals and both ends of the switch,
wherein the first LC resonance circuit includes a current path including a series circuit composed of an inductance and a capacitance, and
when looking from both ends of the switch when the two DC input terminals are shorted, frequency characteristics of an impedance of the second LC resonance circuit include, in order from a low-frequency side to a high-frequency side, a first resonant frequency, a second resonant frequency, a third resonant frequency, and a fourth resonant frequency, the first resonant frequency is higher than a switching frequency of the switch, the second resonant frequency is a resonant frequency that is around double the switching frequency, the fourth resonant frequency is a resonant frequency that is around four times the switching frequency, and the impedance has local maxima at the first resonant frequency and the third resonant frequency and local minima at the second resonant frequency and the fourth resonant frequency.

US Pat. No. 10,432,108

POWER SUPPLY SYSTEM

MURATA MANUFACTURING CO.,...

1. A power supply system comprising:a converter configured to convert an input alternating-current voltage into a direct-current voltage and output the direct-current voltage to a load, the converter including a plurality of AC-DC converters that are arranged in parallel so as to convert a common alternating-current input voltage into a common direct-current output voltage;
an operation controller configured to control the plurality of AC-DC converters based on a state of the load;
a switch element configured to electrically connect one of a plurality of alternating-current power supplies to the converter;
an input voltage detector configured to detect an input voltage input to the converter;
an output current detector configured to detect an output current output from the converter;
an abnormality monitor configured to repeat, for a predetermined amount of time, a determination of whether there is an abnormality in alternating-current power supply to the converter based on an input voltage detected by the input voltage detector;
a switching controller configured to switch the switch element to switch which one of the plurality of alternating-current power supplies is connected to the converter if the abnormality monitor determines detects an abnormality; and
a time adjustment unit configured to adjust the predetermined amount of time based on a detection value detected by the output current detector.

US Pat. No. 10,432,107

RECTIFIER CIRCUIT AND ELECTRONIC DEVICE

FUJITSU SEMICONDUCTOR LIM...

1. A rectifier circuit comprising a switch element, which controls connection and disconnection of an AC input voltage using the switch element to generate an output voltage, whereinthe switch element comprises an n-channel MOS transistor, and
the rectifier circuit further comprises:
a booster circuit configured to generate and apply a gate control signal including a voltage higher than a threshold voltage of the n-channel MOS transistor to a gate of the n-channel MOS transistor; and
a control signal generation unit configured to generate and output a control signal for controlling connection and disconnection of the n-channel MOS transistor to the booster circuit, and
establishes connection to the switch element at a peak portion of the input voltage.

US Pat. No. 10,432,106

POWER CONVERSION DEVICE

Mitsubishi Electric Corpo...

1. A power conversion device comprising:a printed wiring board on which an alternating-current power-supply input circuit to which alternating-current power is input, a converter circuit to convert alternating-current power input to the alternating-current power-supply input circuit to direct-current power, an inverter circuit to convert direct-current power converted by the converter circuit to alternating-current power, an alternating-current power-supply output circuit to output alternating-current power converted by the inverter circuit, and a conductive pattern to electrically connect the alternating-current power-supply input circuit, the converter circuit, the inverter circuit, and the alternating-current power-supply output circuit to one another are provided; and
a flat busbar that has a plate-like shape with a first plane direction thereof perpendicular to a second plane direction of the conductive pattern, is arranged to overlap the conductive pattern in plan view, and includes two or more connecting portions that are in direct electrical contact with the conductive pattern,
wherein the conductive pattern is a flat pattern formed in the second plane direction.

US Pat. No. 10,432,105

POWER FREQUENCY CURRENT CONVERTER AND METHOD FOR CONTROLLING THE SAME

Delta Electronics, Inc., ...

1. A power frequency current converter, comprising:an input side and an output side, wherein a current of the input side or the output side is a power frequency current;
a switching device;
a sampling circuit, configured to sample the power frequency current, so as to output a sampling current signal; and
a controller, configured to control the switching device to be turned on and turned off at an operating frequency, wherein, in every power frequency cycle of the power frequency current, within a half of each of the power frequency cycle, the controller generates at least two fixed-frequency control signals according to values of the sampling current signal, and the operating frequency of the switching device alters at least twice according to the at least two fixed-frequency control signals,
wherein the at least two fixed-frequency control signals comprises a first control signal and a second control signal, the frequency of the first control signal is larger than the frequency of the second control signal, and within a half of the power frequency cycle, the power frequency current of the switching device operated according to the second control signal is larger than the power frequency current of the switching device operated according to the first control signal, and
wherein the sampling current signal comprises a present value signal of a sampling current and an RMS value signal of the sampling current, and the controller further comprises:
a first judgment and comparison module, configured to receive an RMS value reference current signal and the RMS value signal of the sampling current; and
a second judgment and comparison module, configured to receive a reference current signal and the present value signal of the sampling current,
wherein, when the RMS value signal of the sampling current is larger than the RMS value reference current signal, the second judgment and comparison module compares the present value signal of the sampling current with the reference current signal.

US Pat. No. 10,432,102

ISOLATED PHASE SHIFTED DC TO DC CONVERTER WITH SECONDARY SIDE REGULATION AND SENSE COIL TO RECONSTRUCT PRIMARY PHASE

TEXAS INSTRUMENTS INCORPO...

1. An isolated dual active bridge DC to DC converter, comprising:a transformer, including a primary winding, a secondary winding, and a sense coil;
a first bridge circuit, including a first bridge circuit input to receive an input signal, a first bridge circuit output coupled with the primary winding, and a plurality of primary switches individually coupled between the first bridge circuit input and the first bridge circuit output, the primary switches operative according to primary side switching control signals to provide a primary voltage signal to the first bridge circuit output;
a second bridge circuit, including a second bridge circuit input coupled to receive a secondary voltage signal from the secondary winding, a second bridge circuit output, and a plurality of secondary switches individually coupled between the second bridge circuit input and the second bridge circuit output, the secondary switches operative according to secondary side switching control signals to provide an output voltage or current signal at the second bridge circuit output;
a primary side control circuit configured to provide the primary side switching control signals according to a primary side clock signal; and
a secondary side control circuit including a clock recovery circuit, a delay locked loop (DLL) circuit and an analog front end circuit, the analog front end circuit including an input coupled to the sense coil to receive a sense coil voltage signal, a level shifting circuit, a filter circuit, and an output to provide a level shifted voltage signal according to the sense coil voltage signal, and the secondary side control circuit being configured to provide the secondary side switching control signals to regulate the output voltage or current signal by controlling a phase shift angle between switching transitions of the secondary side switching control signals and switching transitions of a secondary side clock signal;
the clock recovery circuit including an input connected to the output of the analog front end circuit to receive the level shifted voltage signal, and an output to provide a recovered clock signal including transitions corresponding to the transitions in the sense coil voltage signal, and the clock recovery circuit being configured to synchronize the secondary side clock signal to transitions in the sense coil voltage signal of the sense coil; and
the delay locked loop (DLL) circuit including: a first input connected to the output of the clock recovery circuit to receive the recovered clock signal; a second input connected to receive the secondary side clock signal; and a DLL output to provide the secondary side clock signal having transitions corresponding to transitions in the recovered clock signal.

US Pat. No. 10,432,099

RESONANT CONVERTER CIRCUIT HAVING DIFFERENT AC AND DC TRANSFER FUNCTIONS

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

1. A resonant converter circuit comprising:a controller having a Vbusdiv-input-terminal configured to receive a Vbusdiv-input-signal and control operation of the resonant converter circuit in accordance with the Vbusdiv-input-signal; and
a Vbus-compensation-network comprising: a Vbus-input-terminal configured to directly receive a bus voltage signal having both an AC component and a DC component; a Vbusdiv-output-terminal configured to provide the Vbusdiv-input-signal directly to the controller; a reference terminal; an AC-impedance-network connected between the Vbus-input-terminal and the Vbusdiv-output-terminal, wherein the AC-impedance-network is configured to apply an AC transfer function to the AC component of the received bus voltage signal; and a DC-impedance-network connected between the Vbus-input-terminal and the Vbusdiv-output-terminal, wherein the DC-impedance-network is configured to apply a DC transfer function to the DC component of the received bus voltage signal, wherein the DC transfer function is different from the AC transfer function.

US Pat. No. 10,432,097

SELECTION CONTROL FOR TRANSFORMER WINDING INPUT IN A POWER CONVERTER

Infineon Technologies Aus...

1. A power converter, comprising:a rectifier configured to input alternating current (AC) power from an input power source and supply power to a rectified voltage node having a rectified voltage;
a bulk capacitor that is supplied power from the input power source and has a storage voltage;
a transformer comprising a primary-side winding;
a first switch configured to provide power to the primary-side winding from the rectified voltage node;
a second switch configured to provide power to the primary-side winding from the bulk capacitor; and
a controller configured to:
sense at least one of the rectified voltage and the storage voltage,
responsive to detecting that the rectified voltage is decreasing over time and is above a first threshold, switch the first switch while holding the second switch off,
responsive to detecting that rectified voltage is below the first threshold and is greater than the storage voltage, switch the first switch to provide power to the primary-side winding from the rectified voltage node, and
responsive to detecting that the rectified voltage is below the first threshold and is lower than the storage voltage, switch the second switch to provide power to the primary-side winding from the bulk capacitor.

US Pat. No. 10,432,092

SELF-CALIBRATED DC-DC CONVERTER

Texas Instruments Incorpo...

9. A system, comprising:a power source;
a load;
a gate driver having multiple inputs and multiple outputs;
a power converter, comprising:
a first transistor having a gate terminal coupled to one of the gate driver outputs, a first terminal coupled to the power source, and a second terminal; and
an energy storage element having a first terminal coupled to the second terminal of the first transistor and a second terminal coupled to the load; and
a first comparator having a first input coupled to the power converter, a second input, and an output coupled to one of the gate driver inputs;
a controller, comprising:
a calibration loop having an input coupled to one of the gate driver outputs and an output; and
an on-time (TON) generator having an input coupled to the output of the calibration loop and an output coupled to the output of the first comparator,
wherein the TON generator is configured to generate TON for controlling the gate driver to control the power converter via the gate terminal of the first transistor, and
wherein the calibration loop is configured to:
compare a frequency of a signal provided by the gate driver to the first transistor to a frequency of a reference clock;
modify a value of a counter based on a result of the comparison of the frequency of the signal provided by the gate driver to the first transistor to the frequency of the reference clock; and
control the TON generator to modify an amount of capacitance present in a timing circuit of the TON generator based on the value of the counter.

US Pat. No. 10,432,089

METHOD FOR OPTIMIZING THE OPERATION OF A DIGITAL CONTROLLER PROVIDED IN A CONTROL LOOP FOR A STEP-UP CONVERTER, A CONTROL LOOP, AND A COMPUTER PROGRAM PRODUCT

Robert Bosch GmbH, Stutt...

1. A method for optimizing operation of a digital controller provided in a control loop for a step-up converter, comprising:evaluating at least one output variable of the digital controller during operation of the step-up converter;
estimating an instantaneous load resistance value in a path of the control loop based on the at least one evaluated output variable;
setting at least one controller coefficient of the digital controller based on the estimated instantaneous load resistance value during operation of the step-up converter;
wherein a change in the setting of the at least one controller coefficient results in a change in a transition frequency in the control loop,
wherein the following formula relationship for estimating the load resistance value is used in the step of estimating:
wherein RL is a value of a load resistance in the path, Uout is a value of the output voltage of the control loop or of the path, ControllerOut is a controller output value of the controller, Ucomp,ss is a value of the voltage of a compensation ramp of the step-up converter from peak to peak, D is a duty cycle of the controller, Rshunt is a value of a shunt resistance for measuring the coil current of the step-up converter, L is a value of an inductance of the step-up converter, and TSW is a period duration of the controller.

US Pat. No. 10,432,087

CIRCUIT FOR A SWITCHED MODE POWER SUPPLY

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

1. A circuit for a switched-mode-power-supply, wherein the switched-mode-power-supply is configured to: receive a current-control-signal; and provide an output-voltage based on the current-control-signal, the circuit comprising:a controller, configured to:
generate a control-voltage based on a difference between: (i) a sense-voltage, which is representative of the output-voltage of the switched-mode-power-supply; and (ii) a reference-voltage;
generate a target-current-control-signal based on the control-voltage, wherein the target-current-control-signal is configured to adjust a current through the switched-mode-power-supply in order to bring a magnitude of the sense-voltage closer to a magnitude of the reference-voltage;
a current-limiter configured to provide the current-control-signal as the target-current-control-signal limited to a max-current-control-value; and
a clamp-circuit configured to set the control-voltage to a clamp-voltage-value when the current-limiter provides the current-control-signal having the limited value of the max-current-control-value;
wherein the controller includes a transconductance-amplifier-control-block, which incorporates a functionality of the current-limiter and the clamp-circuit such that the transconductance-amplifier-control-block is configured to:
receive the control-voltage;
prevent the control-voltage from increasing when the current-control-signal has the limited value of the max-current-control-value; and
convert the control-voltage to the current-control-signal.

US Pat. No. 10,432,083

PROTECTION CONTROL APPARATUS FOR POWER CONVERSION CIRCUITRY AND CONTROL METHOD THEREOF

Toyota Jidosha Kabushiki ...

1. A protection control apparatus for power conversion circuitry, the protection control apparatus comprising:a computer configured to monitor a plurality of fail signals delivered from the power conversion circuitry to a first number of first signal lines, and create reject information indicating whether each of the fail signals is enabled or rejected;
a communication controller configured to receive the reject information on each of the fail signals from the computer via a second number of communication lines, and deliver a plurality of reject signals to the first number of second signal lines, based on the reject information, the second number being smaller than the first number; and
shutdown circuitry provided on a same chip or a same module as the communication controller, the shutdown circuitry being configured to permit driving of the power conversion circuitry or shut down the power conversion circuitry, based on the fail signals received from the first number of the first signal lines, and the reject signals received from the first number of the second signal lines.

US Pat. No. 10,432,081

WAVEFORM SHAPING CIRCUIT, SEMICONDUCTOR DEVICE, AND SWITCHING POWER SUPPLY DEVICE

FUJITSU LIMITED, Kawasak...

1. A waveform shaping circuit comprising:a first parallel circuit including a first capacitance element and a first resistance element coupled in parallel with each other, a positive pulse voltage being applied to a first terminal of the first capacitance element and a second terminal of the first resistance element, a gate terminal of a field-effect transistor being electrically coupled to a third terminal of the first capacitance element and a fourth terminal of the first resistance element;
a first Zener diode having a first anode coupled to the third terminal and the fourth terminal; and
a second parallel circuit including a second capacitance element and a second resistance element coupled in parallel with each other, a first cathode of the first Zener diode being coupled to a fifth terminal of the second capacitance element and a sixth terminal of the second resistance element, and a seventh terminal of the second capacitance element and an eighth terminal of the second resistance element being at a reference potential.

US Pat. No. 10,432,079

ELECTRICAL ENERGY GENERATING BRUSHLESS DC MOTOR

1. A brushless direct current (BLDC) motor that generates electrical energy while operating as a motor, comprising:a permanent magnet rotor that provides a magnetic field for motor operation, the rotor having a plurality of magnetic poles;
a dual-purpose stator winding assembly positioned proximal to the rotor and having a plurality of first windings configured to produce torque in the rotor and a plurality of second windings configured to generate electrical energy during motor operation, wherein the plurality of first windings are physically and electrically separated from the plurality of second windings, wherein the plurality of second windings are positioned closer to the permanent magnet rotor than the plurality of first windings, whereby during motor operation while the plurality of first windings are producing torque in the rotor, electrical energy is generated by the plurality of second windings due to a rotation of the rotor, and wherein the stator winding assembly includes a plurality of stator poles, each stator pole includes at least one first winding and at least one second winding.

US Pat. No. 10,432,078

MAGNETIC GEAR WITH A MAGNETIC FLUX CONDUCTOR ARRANGEMENT

1. A magnetic gear comprisinga first magnetic rotor (210) with a first shaft (6); and
a second magnetic rotor (220) with a second shaft (7);
a support structure, comprising a first end shield (5a) and a second end shield (5b) connected by a stator support element (4);
wherein the first shaft (6) is supported by a first bearing (1a) attached to the first end shield (5a) and the second shaft (7) is supported by a second bearing (1b), the first and second magnetic rotors (210, 220) are displaced in axial direction from each other in an axial gap; and
wherein the first shaft and second shaft are approximately aligned in opposite axial directions; and
wherein a plurality of magnetic flux conductors (3) encircles the first and second magnetic rotors, thereby conducting magnetic flux from the first magnetic rotor (210) to the second magnetic rotor (220); and
the magnetic gear comprises a dividing wall (201) arranged in the axial gap between the first magnetic rotor and the second magnetic rotor, to separate a first chamber from a second chamber.

US Pat. No. 10,432,077

VOICE COIL MOTOR

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

1. A voice coil motor (VCM), comprising:a cover can made of metal material, the cover can comprising a top plate comprising a hole, and a side plate extending from the top plate;
a bobbin disposed in the cover can;
a coil disposed on the bobbin;
a magnet disposed between the bobbin and the side plate of the cover can and facing the coil;
a base disposed below the bobbin and coupled with the side plate of the cover can;
a first elastic member comprising an inner portion coupled with a lower surface of the bobbin, an outer portion coupled with an upper surface of the base, and a coupling portion connecting the inner portion and the outer portion, the first elastic member comprising two elastic members spaced apart from each other and the two elastic members being electrically connected to the coil; and
a terminal comprising two terminal parts electrically connected to the two elastic members, respectively,
wherein the terminal comprises an inclined portion with respect to the side plate of the cover can,
wherein the terminal comprises first and second portions that are parallel to the side plate of the cover can, and
wherein the inclined portion of the terminal connects the first portion of the terminal and the second portion of the terminal.

US Pat. No. 10,432,075

LINEAR MOTOR

AAC Technologies Pte. Ltd...

1. A linear motor comprising:a housing with an accommodation space;
a magnet assembly accommodated in the accommodation space, the magnet assembly including a main magnet unit and two auxiliary magnet units located on both sides of the main magnet unit for forming a magnetic gap;
a vibration member accommodated in the accommodation space, the vibration member including a coil inserted into the magnetic gap and weights located at both sides of the coil;
a support member suspending the vibration member in the accommodation space, the support member including an elastic supporting member supporting the vibration member and a coil frame inserted into the magnetic gap; wherein
the coil frame is disposed between the coil and the main magnetic unit, and the coil is wound around a side surface of the coil frame opposite to the main magnet unit; and
each weight comprises a top face connecting the elastic supporting member, a bottom face opposite to the top face, and a side face connecting the top face with the bottom face, with a first limiting slot formed as concave from the side face toward the direction away from the coil, and the coil is received in the first limiting slot; wherein,
the vibration member further comprises a connecting piece connecting the coil and the weights, the coil and the weights are sandwiched between the connecting piece and the elastic supporting member; the connecting piece comprises a coil connecting section matched with the coil in shape and a weight connecting section extending in a direction from both ends of the coil connecting section to the weights, the coil is connected with the coil connecting section, the weight connecting section is connected with the weights; and each weight comprises a second limiting slot formed as concave from the bottom face to the top face and communicating with the first limiting slot, the second limiting slot is matched with the connecting piece in shape and accommodates the weight connecting section.

US Pat. No. 10,432,074

VIBRATOR UNIT AND VIBRATION GENERATOR

MINEBEA CO., LTD., Kitsa...

1. A vibrator unit capable of being attached to a housing of a vibration generator, the vibrator unit comprising:a vibrator including a magnet and a back yoke arranged on or above the magnet; and
an elastic member including:
a vibrator attachment part attached to the vibrator;
a housing attachment part attached to the housing; and
an arm part coupling the vibrator attachment part and the housing attachment part, said arm part displaceably supporting the vibrator attachment part at least in a horizontal direction with respect to the housing attachment part,
the back yoke including a planar part arranged on or above the magnet and a holding part bending the planar part toward a frame from the planar part,
the vibrator attachment part being held and embraced by the holding part,
the holding part includes a hole,
the vibrator attachment part includes a projecting part, and
the projecting part is fitted in the hole.

US Pat. No. 10,432,072

DUAL SHAFT INTEGRATED MOTOR

NSK LTD., Tokyo (JP)

1. A dual shaft integrated motor including an inner rotor and an outer rotor that are independently rotatable and rotate in an identical pivotal direction, the inner rotor and the outer rotor each having an output shaft positioned on one end of the pivotal direction, the dual shaft integrated motor comprising:a detection unit including a first detection unit configured to detect a rotation angle of the inner rotor, and a second detection unit configured to detect a rotation angle of the outer rotor;
a bearing unit including a first bearing configured to rotate in conjunction with the inner rotor, and a second bearing configured to rotate in conjunction with the outer rotor;
a stator core unit including a first core serving as a stator core of the inner rotor, and a second core serving as a stator core of the outer rotor; and
a base to which the detection unit, the bearing unit, and the stator core unit are sequentially attached from the one end,
wherein a magnet provided in the inner rotor and the first core each have a shaft length in the pivotal direction longer than a shaft length of a magnet provided in the outer rotor and a shaft length of the second core, and
wherein a shaft length of the second bearing is longer than a shaft length of the first bearing and
wherein the first bearing and second bearing are located at one end of the motor.

US Pat. No. 10,432,067

ELECTRIC MOTOR

DENSO CORPORATION, Kariy...

1. An electric motor comprising:a rotor having a plurality of magnetic poles arranged in a circumferential direction and being configured to be rotatable about an axis;
a stator coil including phase windings of a plurality of phases, the phase windings constituting, for each phase, a forward-wound portion in which an electric wire is wound in a forward winding direction and a reverse-wound portion in which the electric wire is wound in a reverse direction to the forward winding direction, the forward-wound and reverse-wound portions of the plurality of phases being arranged in the circumferential direction;
a substrate having a drive circuit, a control circuit and three magnetic sensors mounted thereon, the drive circuit being configured to output, for rotating the rotor, alternating current to the stator coil and thereby cause a rotating magnetic field to be outputted from the stator coil to the plurality of magnetic poles, the control circuit being configured to control the drive circuit, the three magnetic sensors being configured to detect, for detecting rotation of the rotor, magnetic flux from the plurality of magnetic poles; and
three guide members provided to guide the magnetic flux emanating from the plurality of magnetic poles respectively to the three magnetic sensors, at least one of the three guide members being arranged at a first position where magnetic fluxes respectively emanating from one pair of the forward-wound and reverse-wound portions of the same phase are canceled by each other, at least one of the three guide members other than the at least one guide member arranged at the first position being arranged at a second position, the second position being different from the first position,
wherein
the control circuit controls, based on detection values of the three magnetic sensors, the drive circuit to activate the rotor, and
after completion of the activation of the rotor, the control circuit controls rotational speed of the rotor based on the detection values of at least one of the three magnetic sensors which detects the magnetic flux guided by the at least one guide member arranged at the first position.

US Pat. No. 10,432,066

GENERATING YOUR OWN POWER

1. A portable apparatus for generating electrical power comprising:a stator comprising a plurality of coils, coil units or coil segments for independently generating electrical power, wherein the stator comprises a printed coil laminate comprising a sheet of insulator material and a printed conductor comprising conductive ink printed upon the sheet of insulator material arranged to form said plurality of coils, coil units or coil segments; and
a reciprocator comprising a magnet, the reciprocator being responsive to vibrations and/or shocks and moves in that regard within an environs of the stator so as to generate electrical power, wherein the reciprocator comprises a magnetised disc which is movable within a volume comprising said stator, and wherein the magnetised disc is freely movable in all directions within a single plane;
wherein the apparatus is connectable to a portable electronic device so as to power that device and/or to a storage device for storing the generated electrical power.

US Pat. No. 10,432,065

BRUSHLESS MOTOR FOR A POWER TOOL

MILWAUKEE ELECTRIC TOOL C...

1. A power tool, comprising:a housing;
a controller within the housing; and
a brushless motor within the housing and controlled by the controller, the brushless motor including:
a stator assembly including a stator core having stator laminations with an annular portion and inwardly extending stator teeth, wherein the stator assembly defines a stator envelope in an axial direction extending between axial ends of stator end caps of the stator assembly,
a rotor assembly including:
a rotor core having rotor laminations and defining a central aperture that extends in the axial direction and that receives an output shaft,
a front rotor end cap provided on a first side of the rotor core, wherein the front rotor end cap has a front bearing holder, and
a rear rotor end cap provided on a second side of the rotor core, wherein the rear rotor end cap has a rear bearing holder and defines a channel open on a side of the rear rotor end cap facing the rotor core, and
a position sensor board assembly including position sensors and configured to provide position information of the rotor core to the controller, wherein the position sensor board assembly is provided in the channel,
wherein the rotor assembly and the position sensor board assembly are provided at least partially within the stator envelope.

US Pat. No. 10,432,062

LINEAR ACTUATOR

1. A linear actuator comprising a housing, an electric motor a transmission, a spindle in connection with the transmission, a spindle nut on the spindle, a tubular adjustment element, which with a rear end is connected to the spindle nut, a guide tube for the tubular adjustment element, a chassis in which the guide tube with a rear end is secured, and a mounting bushing in which the rear end of the guide tube is secured and where the mounting bushing is secured to the chassis, wherein stampings are done from an outer side of the mounting bushing and into the guide tube for retaining the guide tube, wherein the stampings are made opposite of screw channels in the guide tube and the stampings are received in the screw channels.

US Pat. No. 10,432,060

STATOR INSULATOR WITH PROTRUSIONS FOR MOUNTING BUS BAR

LG Innotek Co., Ltd., Se...

1. A motor comprising:A stator including a stator core, a coil wound around the stator core, and an insulator mounted on the stator core and configured to insulate the coil and the stator core, wherein the insulator includes a vibration prevention unit;
a busbar disposed on the stator and conductively connected to the coil, including a plurality of recesses wherein each recess has an upper surface and a lateral surface perpendicular to the upper surface and is formed on an inner circumferential surface of the busbar to receive the vibration prevention unit, and including guide units disposed between adjacent recesses;
a rotor disposed inside the stator; and
a shaft coupled to the rotor,
wherein the vibration prevention unit extends upward from an upper surface of an inner circumferential part thereof and is in contact with the inner circumferential surface of the busbar;
wherein sides of the vibration prevention unit are in contact with and rub sides of the guide units,
wherein the vibration prevention unit includes a hook formed on an upper end of the vibration prevention unit, the hook is formed to protrude inwardly, and the hook includes a blocking surface blocking an upper surface of the busbar,
wherein the recesses are formed to be inclined toward a center of a ring-shaped body made of an insulating material and provided on the busbar, and
wherein a side of the vibration prevention unit is formed to be inclined.

US Pat. No. 10,432,057

MOTOR AND BRAKE DEVICE INCLUDING SAME

LG Innotek Co., Ltd., Se...

1. A motor comprising:a rotary shaft;
a rotor part in which the rotary shaft is disposed;
a stator part disposed outside the rotor part;
a housing configured to accommodate the rotor part and the stator part, and having an opening formed in one side thereof; and
a motor cover disposed at the opening of the housing,
wherein the motor cover comprises:
a motor cover body;
a first protruding part and a second protruding part that are each formed at a predetermined location radially outward from a center of the motor cover body and configured to protrude from the motor cover body; and
a third protruding part formed to protrude from an edge of the motor cover body,
wherein a sealing part is disposed between an end portion of the housing, which is disposed between the second protruding part and the third protruding part, and the second protruding part,
wherein the second protruding part is formed to have a ring shape,
wherein the second protruding part is formed so that a part of a lower portion of an outer surface thereof is bent toward the third protruding part,
wherein the sealing part is disposed to cover an end portion of the second protruding part, and
wherein one region of the sealing part is disposed between an inner circumferential surface of the housing and an outer side surface of the second protruding part.

US Pat. No. 10,432,052

SIDE WINDING MOTOR STATOR AND MANUFACTURING METHOD THEREOF

1. A side winding motor stator, comprising:a plurality of stator structures, engaged side by side to form a stator module, each of the stator structures further comprising:
a stator tooth; and
an insulated frame, sleeving the stator tooth, further including a sleeve portion, an inner frame, an outer frame and an extension frame integrated as a unique piece, the inner frame and the outer frame being located to opposing ends of the sleeve portion, the extension frame being extended from the outer frame and having a gap;
a plurality of winding structures, each of the plurality of winding structures further including a slot assembly, an alignment portion and a position portion integrated as a unique piece, the slot assembly contacting at one side of the extension frame and having a plurality of lateral slots parallel arranged in an axial direction, the alignment portion engaging the extension frame by buckling the gap, the position portion contacting an outer side of the extension frame by opposing to the slot assembly with respect to the gap; and
a plurality of winding rolls, fixed respectively into the corresponding lateral slots in a buckling manner.

US Pat. No. 10,432,049

ROTOR FOR A ROTARY ELECTRIC MACHINE

MOTEURS LEROY-SOMER, Ang...

1. A rotor for a rotary electric machine, comprising:a rotor magnetic mass;
a housing formed in the rotor magnetic mass; and
at least two permanent magnets defining a first pole of the rotor and a second pole of the rotor adjacent to the first pole, the at least two permanent magnets being disposed in the housing on either side of a radial axis, which passes through the housing, of one of the poles,
wherein among the at least two permanent magnets, permanent magnets inherent to the first pole contribute only to a polarity of the first pole and at least one shared permanent magnet contributes in part to the polarity of the first pole and in part to a polarity of the second pole.

US Pat. No. 10,432,047

ASYMMETRICAL SURFACE GROOVE PATTERNS FOR PERMANENT MAGNET MACHINE ROTORS

Ford Global Technologies,...

1. A permanent magnet machine comprising:a rotor, configured to rotate about an axis, comprising first and second stacks of same laminations defining poles and axial grooves on a circumferential surface, wherein the axial grooves are asymmetric about a centerline of each of the poles, and coupled such that the second stack is flipped relative to the first stack and centerlines of the first stack are aligned with centerlines of the second stack.

US Pat. No. 10,432,045

ELECTRIC MOTOR FOR A POWER TOOL

MILWAUKEE ELECTRIC TOOL C...

1. An electric motor for use with a power tool, the motor comprising:a rotor including a body;
a stator including a plurality of electromagnetic coils surrounding the rotor;
an output shaft coupled to the rotor for rotation with the rotor;
a fan coupled to the output shaft for rotation with the output shaft;
a plurality of magnets positioned within the body of the rotor;
a mechanical magnet holder located adjacent a first face of the body, the mechanical holder coupled to at least one of the rotor and the output shaft to engage each of the plurality of magnets, the mechanical magnet holder inhibiting movement of the plurality of magnets out of the body of the rotor; and
a rubber ring positioned between a second face of the body and the fan;
wherein ends of the plurality of magnets extend beyond the second face of the body, and wherein the rubber ring engages each of the plurality of magnets and the fan to be compressed between the plurality of magnets and the fan.

US Pat. No. 10,432,043

SLOTTED ROTOR-BRIDGE FOR ELECTRICAL MACHINES

Ford Global Technologies,...

1. An electric machine comprising:a rotor provided with a cavity containing a magnet, an outer periphery, and a top bridge therebetween, the top bridge including at least two slots each having a length in a radial direction, a maximum of the lengths being closest a Q-axis and a minimum of the lengths being closest a D-axis.

US Pat. No. 10,432,041

STATOR, MOTOR, COMPRESSOR, AND REFRIGERATING AND AIR-CONDITIONING APPARATUS

Mitsubishi Electric Corpo...

1. A stator comprising:a winding; and
a plurality of split core parts arranged annularly in a circumferential direction around an axis line, each of the plurality of split core parts including:
a yoke part,
a tooth part extending in a radial direction toward the axis line from the yoke part,
a connection part including a curved surface connecting the yoke part and the tooth part,
a first insulator having an outer edge and provided on an end part of the tooth part in an axis line direction parallel to the axis line, and
a second insulator covering a side surface of the tooth part facing in the circumferential direction, wherein
the winding is wound around the connection part and the tooth part with the first insulator and the second insulator in between,
the first insulator includes a first protruding part protruding beyond the curved surface, and
a length from a position farthest from the curved surface, of the outer edge of the first protruding part to the curved surface is larger than five times a thickness of the second insulator.

US Pat. No. 10,432,038

ELECTRONIC DEVICE AND WIRELESS CHARGING METHOD AND APPARATUS FOR ELECTRONIC DEVICE

1. A wireless charging method for an electronic device, comprising:detecting an environmental parameter transmitted by a wireless charging device; and
moving a receiving antenna board within the electronic device to a designated position of the electronic device according to the environmental parameter, wherein charging efficiency for charging the electronic device at the designated position is higher than charging efficiency for charging the electronic device at other positions;
wherein moving the receiving antenna board within the electronic device to the designated position according to the environmental parameter comprises:
determining a center position of a transmitting antenna board in the wireless charging device according to the environmental parameter; and
moving the receiving antenna board to a position matching with the center position, wherein the position matching with the center position is taken as the designated position;
wherein prior to moving the receiving antenna board within the electronic device to the designated position according to the environmental parameter, the method further comprises:
reserving a designated region on a back surface of the electronic device or a protective cover of the electronic device, wherein the designated region is a range of movement of the receiving antenna board;
wherein a first piston, a second piston, a third piston and a fourth piston are provided within the designated region, wherein a first position of the first piston and a second position of the second piston are perpendicular to each other; the third piston has a linkage relationship with the first piston, and the fourth piston has a linkage relationship with the second piston; moving the receiving antenna board within the electronic device to the designated position according to the environmental parameter comprises:
generating a third control instruction and/or a fourth control instruction according to the environment parameter; and
triggering, by the third control instruction, a third driving device to control the third piston to drive the first piston to transversely push the receiving antenna board, and/or triggering, by the fourth control instruction, a fourth driving device to control the fourth piston to drive the second piston to longitudinally push the receiving antenna board.

US Pat. No. 10,432,037

WIRELESS POWER RECEIVER AND CONTROLLING METHOD THEREOF

Samsung Electronics Co., ...

13. An electronic device, comprising:a power receiving circuit configured to receive power wirelessly from a power transmitting device;
a rectifying circuit configured to rectify the received power;
a charging circuit;
a converting circuit that includes a first route for converting a voltage of the rectified power to a predetermined voltage and a second route for directly outputting the rectified power to the charging circuit,
a control circuit configured to:
compare a voltage of the rectified power with an allowable voltage of the charging circuit;
in response to the voltage of the rectified power being greater than or equal to the allowable voltage of the charging circuit, control the converting circuit to convert the rectified power through the first route and to output the converted power to the charging circuit for charging a battery of the electronic device, wherein the allowable voltage relates to a maximum voltage or a preferable voltage to be applied to the charging circuit, and
in response to the voltage of the rectified power being less than the allowable voltage of the charging circuit, control to output the rectified power directly to the charging circuit through the second route by allowing the rectified power to bypass the converting circuit.

US Pat. No. 10,432,036

FOREIGN OBJECT DETECTION

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

10. A device for wireless charging of a remote device, the device comprising:a transmitter circuit configured to:
transmit power to the remote device;
measure first parameters of an antenna circuit connected to an output of the control circuit; and
model the antenna circuit as a first virtual antenna portion and a second virtual antenna portion by assigning predetermined characteristics to the first virtual antenna portion and determining characteristics of the second virtual antennal portion based upon the first parameters; and
detect the presence of a foreign object by:
receiving reference characteristics of the antenna circuit from a receiver device;
measuring second parameters of the antenna circuit;
determine characteristics for the first virtual antenna from the second parameters and by fixing the determined characteristics of the second virtual antenna portion; and
identifying a foreign object by comparing the determined characteristics for the first virtual antenna with the characteristics received from the receiver device.

US Pat. No. 10,432,035

WIRELESS COMMUNICATION DEVICE, METHOD FOR CONTROLLING WIRELESS COMMUNICATION DEVICE, GAME SYSTEM, AND MEMORY SYSTEM

TOSHIBA MEMORY CORPORATIO...

1. A wireless communication device comprising:a first interface configured to electrically connect to a first host device, the first interface communicating with the first host device in accordance with an SD (secure digital) interface;
a first memory part including a nonvolatile memory, the nonvolatile memory operating based on power supplied through the first interface from the first host device;
a wireless antenna generating power based on a radio wave from a second host device different from the first host device;
a second memory part configured to operate based on power generated by the wireless antenna; and
a second interface being configured to operate based on power generated by the wireless antenna, and communicating with the second host device in compliance with an NFC (near field communication), wherein
when the first interface is electrically connected from the first host device, the first interface sends a first data read from at least one of the first memory part and the second memory part to the first host device in accordance with a first command sent from the first host device, and the second interface sends a second data read from at least one of the first memory part and the second memory part to the second host device in accordance with a second command received through the wireless antenna from the second host device, and
when the first interface is electrically disconnected from the first host device, the second interface sends a third data read from the second memory part through the wireless antenna to the second host device in accordance with a third command received through the wireless antenna from the second host device.

US Pat. No. 10,432,034

ON-OFF APPARATUS AND ELECTRONIC DEVICE

TENDYRON CORPORATION, Be...

1. An on-off apparatus, comprising an alternating current (AC) input end, an AC output end, an on-off module, a first direct current (DC) isolating component and a second DC isolating component;wherein, the on-off module comprises a first pin, a second pin, a third pin, a fourth pin and a control pin, the third pin is electrically connected to a DC power supply, the fourth pin is connected to a ground end, and the control pin is configured to receive a control signal; the on-off module is configured to turn on or off a path between the third pin and the fourth pin under control of the control signal; when the path between the third pin and the fourth pin is turned on, a path between the first pin and the second pin is turned on; when the path between the third pin and the fourth pin is turned off, the path between the first pin and the second pin is turned off;
the first DC isolating component is connected between the AC input end and the first pin, the first DC isolating component is configured to isolate a DC signal between the first pin and the AC input end, and to transmit an AC signal between the first pin and the AC input end;
the second DC isolating component is connected between the AC output end and the second pin, the second DC isolating component is configured to isolate a DC signal between the second pin and the AC output end, and to transmit an AC signal between the second pin and the AC output end.

US Pat. No. 10,432,033

ELECTRONIC DEVICE HAVING A SIDEWALL CONFIGURED TO FACILITATE THROUGH-METAL ENERGY TRANSFER VIA NEAR FIELD MAGNETIC COUPLING

NuCurrent, Inc., Chicago...

1. An electronic device comprising:a) an electronic circuit;
b) a sidewall having a surface extending to a perimeter with an end defining a sidewall surface area and having a sidewall thickness oriented about perpendicular to the sidewall surface;
c) a cut-out having a cut-out perimeter defining a cut-out shape oriented parallel to the sidewall surface residing within the sidewall surface area, the cut-out extending through the sidewall thickness; and
d) at least one slit having a slit length extending from a slit proximal end to a slit distal end, a slit width oriented perpendicular to the slit length, and a slit depth extending at least partially within the sidewall thickness, wherein the slit proximal end extends from the cut-out perimeter and the slit distal end extends towards a sidewall edge;
e) wherein the cut-out and the at least one slit define a cut-out pattern surface area, and
wherein a substrate is configured according to the equation:

where A is the cut-out pattern surface area defined by the combined surface areas of the cut-out and the at least one slit and B is the surface area of the sidewall without the cut-out and the at least one slit within the sidewall.

US Pat. No. 10,432,029

POWER TRANSMISSION DEVICE AND NON-CONTACT POWER FEEDING SYSTEM

ROHM CO., LTD., Ukyo-Ku,...

1. A power transmission device which can transmit power to a power reception device by a magnetic field resonance method, the power transmission device comprising:a power transmission-side resonant circuit which includes a power transmission-side coil for performing the power transmission;
a power transmission circuit which can supply an alternating current voltage to the power transmission-side resonant circuit;
a detection circuit which detects an amplitude of a current flowing through the power transmission-side coil; and
a control circuit which performs power transmission control on the power by controlling a state of the supply of the alternating current voltage to the power transmission-side resonant circuit,
wherein before the power transmission, the control circuit acquires, as a determination amplitude detection value, a detection value by the detection circuit when a predetermined determination alternating current voltage is supplied to the power transmission-side resonant circuit, and controls, based on the determination amplitude detection value, performance of the power transmission through a determination as to whether or not the power reception device can perform proper power reception.

US Pat. No. 10,432,028

WIRELESS POWER TRANSMISSION SYSTEM AND WIRELESS POWER RELAY APPARATUS

SAMSUNG ELECTRONICS CO., ...

1. A wireless power relay apparatus, comprising:a plurality of relay resonators, each relay resonator of the plurality of relay resonators configured to relay power from a source resonator configured to wirelessly transmit the power to a target resonator configured to wirelessly receive the power through a mutual resonance, and at least one relay resonator among the plurality of relay resonators having a higher quality factor than the target resonator.

US Pat. No. 10,432,025

SMART MULTICOIL INDUCTIVELY-COUPLED ARRAY FOR WIRELESS POWER TRANSMISSION

1. A power transmission system for wirelessly charging a load comprising:a power driver circuit;
a wireless power transmitter having:
a transmitter primary inductive unit coupled to said power driver circuit and configured to generate an alternating magnetic field;
a transmitter primary resonator receiving electrical power from the transmitter primary inductive unit by electromagnetic induction, said transmitter primary resonator including n inductive elements electrically connected together in parallel to form an array, a subset m of said n inductive elements being in mutual inductance with said transmitter primary inductive unit;
a wireless power receiver having:
a receiver secondary inductive unit for receiving electric power by magnetic field resonance;
a load electrically connected to and being supplied by said wireless power receiver;
wherein said wireless power transmitter and said wireless power receiver are in mutual inductance.

US Pat. No. 10,432,024

SPLIT-PHASE HIGH-EFFICIENCY REACTIVE ENHANCED ACTIVE TRANSDUCER

1. An AC-DC transducer for converting AC voltage to DC voltage, the AC-DC transducer having two parallel phases where each phase comprises:a. a step-down transformer [102] which is a miniature magnetic pulse-transformer connected to each phase of a split phased antenna, comprising a center-tapped primary and a plurality of secondaries;
b. a full wave rectifier [103] connected to said step-down transformer [102] for converting the AC voltage to DC voltage;the AC-DC transducer further comprises:c. at least two capacitors [105], for storing aggregated energy from said split-phased antenna, wherein, a first of said at least two capacitors is connected to a source for recharging while a second of said at least two capacitors is connected to a load providing smooth power supply thereto;
d. a double-position double-throw switch [104] for eliminating flyback and switching said at least two capacitors alternatively between the load and the source;
e. a means of operation [106] of said double-position double-throw switch;
wherein said primary of said a step-down transformer [102] is connected to points on a split phased source [101] that are at largely opposite points of a voltage waveform impressed thereupon.

US Pat. No. 10,432,023

REMOTELY POWERED CONTACTLESS CARD

STMicroelectronics SA, M...

1. A contactless card configured to be powered by an antenna connected to the input of a rectifier having an output coupled to a processing unit configured to consume a first current, the contactless card comprising: a current regulation circuit also connected to the output of the rectifier and configured to absorb a second current such that a sum of the first and second currents is a constant current output from said rectifier, wherein the constant current is set by a current source, and further comprising:a first current mirror configured to generate a third current equal to the first current divided by a constant,
a second current mirror having a first branch receiving the third current and having a second branch coupled to a node coupled to an output of the current source; and
a third current mirror having a first branch coupled to the node and having a second branch coupled to the output of said rectifier.

US Pat. No. 10,432,022

WIRELESS POWER TRANSMISSION SYSTEM AND POWER TRANSMISSION APPARATUS

Panasonic Intellectual Pr...

1. A wireless power transmission system comprising a power transmission apparatus and a power reception apparatus,the power transmission apparatus comprising:
a power transmission circuit that converts DC power of an external DC power supply to AC power;
a first coil connected to the power transmission circuit;
a second coil inductively coupled to the first coil; and
two power transmission electrodes that are connected to the second coil and that transmit the AC power,
the power reception apparatus comprising:
two power reception electrodes disposed opposing the two power transmission electrodes so as to be capacitively coupled with the two power transmission electrodes to wirelessly receive the transmitted AC power;
a third coil connected to the two power reception electrodes;
a fourth coil connected to the third coil; and
a power reception circuit that is connected to the fourth coil and that converts the received AC power to DC power;
the wireless power transmission system having both of the following combinations:
a combination of:
i) a transmission-side series resonance circuit including the first coil and a first capacitor disposed between the first coil and the power transmission circuit, and
ii) a transmission-side parallel resonance circuit including the second coil and a second capacitor disposed between the second coil and the two power transmission electrodes, and
a combination of:
i) a reception-side parallel resonance circuit including the third coil and a third capacitor disposed between the third coil and the two power reception electrodes, and
ii) a reception-side series resonance circuit including the fourth coil and a fourth capacitor disposed between the fourth coil and the power reception circuit.

US Pat. No. 10,432,020

EMERGENCY BACK-UP POWER SYSTEM FOR TRACTION ELEVATORS

1. A back-up power system for supplying an emergency power source to a traction elevator comprising:a source of DC input power;
a microprocessor-based control arrangement configured to recognize phase irregularities in an input power supply and subsequently generate a control signal to remove the input power supply from the traction elevator, the microprocessor-based control arrangement further operable to generate a power control signal; and
a back-up power generating means coupled to the source of DC input power and responsive to the power control signal for converting the DC input power signal into the emergency power source for the traction elevator, wherein the back-up power generating means sequentially switches the DC input power through a transistor arrangement to produce a set of separate sine waves separated in phase, with the power control signal used to control the energy transfer from the DC power source to the output sine waves.

US Pat. No. 10,432,017

UNINTERRUPTABLE POWER SUPPLY (UPS) MANAGEMENT

Amazon Technologies, Inc....

1. A data center, comprising:an electrical load;
a connection to a utility power source that supplies electrical power to the data center;
an uninterruptible power supply (UPS) electrically coupled to the utility power source, via the connection, and electrically coupled to the electrical load;
a switching device electrically coupled between the connection to the utility power source and the UPS, wherein the switching device is configured to selectively route electrical power from the utility power source to the UPS; and
a control system, wherein the control system is configured to:
command, while electrical power is available to be routed to the electrical load from the utility power source via the connection to the utility power source and suitable for operating the electric load, the switching device to discontinue routing electrical power from the utility power source to the electrical load via the UPS for a given period of time; and
subsequent to the given period of time, command the switching device to route electrical power from the utility power source to the electrical load via the UPS;
determine a metered battery recharge rate such that an overall rate of electrical power consumption from the utility power source during recharge of the battery does not exceed a threshold power consumption rate; and
instruct the UPS to recharge the battery according to the determined metered battery recharge rate,
wherein the UPS is configured to:
supply, from a battery of the UPS, electrical power to the electrical load during the given period of time and while electrical power is available to be routed to the UPS from the utility power source; and
subsequent to the given period of time, recharge the battery of the UPS, according to the determined metered battery recharge rate, with electrical power routed to the UPS from the utility power source.

US Pat. No. 10,432,014

UNIVERSAL RESERVOIR CONTROLLER

Applied Underwriters, Inc...

1. A digital controller for controlling a quantity of compensatory charges of a utility from a plant to a reservoir during a second time period wherein:a) said plant is connected to said reservoir by a grid capable of transmitting said utility;
b) said quantity of compensatory charges are in response to a quantity of contingency discharges of said utility from said reservoir to said plant due to random adverse events occurring during a first time period that either increase a demand of said utility from said plant, reduce a capacity of said plant to produce said utility, or combinations of both, wherein said first time period has a duration; and
c) said digital controller comprises:
i) a sensor for receiving measurements of said contingency discharges from said reservoir to said plant;
ii) an output device for controlling said compensatory charges from said plant to said reservoir;
iii) a processor for processing data; and
iv) a permanent memory comprising computer readable instructions to cause said processor to physically carry out the steps:
(1) determine an exposure of said plant wherein said exposure of said plant is an estimate of an expected quantity of contingency discharges from said reservoir to said plant due to random adverse events occurring during said first time period;
(2) determine an exposure size class of said plant based on said exposure of said plant wherein said exposure size class of said plant spans a range of exposures;
(3) determine a plurality of reference plants wherein said reference plants are all in said exposure size class of said plant;
(4) receive via said sensor a measured quantity of contingency discharges from said reservoir to said plant due to random adverse events occurring during said first time period;
(5) determine a normalized measured quantity of contingency discharges by dividing said measured quantity of contingency discharges by said exposure;
(6) determine a normalized contingency discharge rank (NCDR) from said normalized measured quantity of contingency discharges wherein said rank is based on a fraction of quantities of normalized reference contingency discharges received by said reference plants that are less than said normalized measured quantity of contingency discharges, said normalized reference contingency discharges being due to random adverse events occurring to said reference plants over a standard time period wherein said standard time period has a duration and wherein said duration of said standard time period is about the same as said duration of said first time period;
(7) determine using said normalized contingency discharge rank and a balanced NCDR transfer function, said quantity of compensatory charges required from said plant to said reservoir during said second time period; and
(8) instruct said plant to provide said quantity of compensatory charges to said reservoir during said second time period.

US Pat. No. 10,432,010

ELECTRONIC APPARATUS, POWER SUPPLY DEVICE, AND WIRELESS POWER SUPPLY SYSTEM

FUJI XEROX CO., LTD., Mi...

1. An electronic apparatus comprising:a secondary battery;
a power receiver configured to receive power wirelessly from a power supply device;
a decision unit configured to decide whether or not to allow charging with the power received wirelessly; and
a charging unit configured to charge the secondary battery with the received power if the decision unit decides that charging with the power received wirelessly is allowed,
wherein the decision unit is configured to decide to allow charging with the power received wirelessly if information is sensed indicating that the electronic apparatus is enclosed in a package.

US Pat. No. 10,432,007

CIRCUITS, SYSTEMS AND METHODS FOR BALANCING POWER FOR SYSTEM LOAD COMPONENTS

Dell Products L.P., Roun...

1. Circuitry, comprising:a charger circuit having a charger input which receives input direct current (DC) power having an input DC voltage from an external power source, and a charger output which provides output DC power having an output DC voltage that is less than the input DC voltage to a first power node;
a system load comprising a first portion and a second portion, the first portion of the system load including one or more power-consuming components and the second portion of the system load including one or more power-consuming components, all of the power-consuming components of the first portion of the system load having an input voltage requirement that is higher than an input voltage requirement of all the power-consuming components of the second portion of the system load; and
a multiplexer switch having first and second multiplexer inputs and a multiplexer output which provides power to the power-consuming components of the first portion of the system load, the first multiplexer input receiving power from the first power node, and the second multiplexer input receiving power from a second power node coupled between the external power source and the charger input;
where the power-consuming components of the second portion of the system load receive power only from the first power node.

US Pat. No. 10,432,006

CHARGE/DISCHARGE CONTROL APPARATUS

PANASONIC INTELLECTUAL PR...

1. A charge/discharge control apparatus for use in a power system for supplying a load with power using discharged power from a rechargeable battery and generated power from a power source for power generation utilizing a renewable energy source, the apparatus comprising:a controller which performs a discharge control to discharge the rechargeable battery and a charge control to charge the rechargeable battery using excess power which is power, among the generated power, which is not to be consumed by the load; and
a setter which sets a threshold value for remaining energy in the rechargeable battery, according to a planned discharged energy amount which is planned as a discharged energy amount to be supplied from the rechargeable battery to the load during a specified time period,
wherein the controller performs a discharge prohibition control to prohibit a discharge of the rechargeable battery when the remaining energy in the rechargeable battery is equal to or below the threshold value during a limited time period prior to the specified time period, and
the controller advances a start of the limited time period with an increase in the planned discharged energy.

US Pat. No. 10,432,005

DISCHARGE CIRCUIT FOR DISCHARGING A BATTERY

GM GLOBAL TECHNOLOGY OPER...

1. A discharge circuit for discharging a battery, said battery including a positive terminal and a negative terminal, said circuit comprising:a reference voltage source providing a reference voltage, said voltage source including a negative terminal and a positive terminal, said voltage source being electrically coupled in parallel with the battery where the negative terminal of the voltage source is electrically coupled to the negative terminal of the battery;
a load electrically coupled in parallel with the battery and the voltage source, wherein a current flow through the load generated by the battery discharges the battery to the reference voltage;
a diode electrically coupled between the voltage source and the battery and preventing current flow from the battery from entering the voltage source; and
a switch, said switch being closed to begin the discharging of the battery;
wherein a first terminal of the switch is directly connected to a negative terminal of the battery.

US Pat. No. 10,432,003

ELECTRONIC DEVICE TO BE DIRECTLY CHARGED BY A CHARGING DEVICE WITH A PROTECTION MECHANISM

Intel Corporation, Santa...

1. A charging apparatus to charge first and second devices, the charging apparatus comprising:a first set of a first terminal and a second terminal to be in direct contact with a first battery pad and a second battery pad of the first device, wherein a protection mechanism of the first device covers the first battery pad and the second battery pad of the first device;
a first interface to enable the first terminal and the second terminal to slide underneath the protection mechanism of the first device to make direct physical contact respectively with the first pad and the second pad of the first device, wherein the first interface is to hold the first device at the protection mechanism, and wherein the protection mechanism comprises a sliding surface to at least in part cover the first and second battery pads of the first device; and
a second set of first and second terminals to be in direct contact with first and second battery pads of the second device, wherein a protection mechanism of the second device covers the first battery pad and the second battery pad of the second device; and
a second interface to enable first and second terminals to enable the first terminal and the second terminal to slide underneath the protection mechanism of the second device to make direct physical contact respectively with the first pad and the second pad of the second device, wherein the second interface is to hold the second device at the protection mechanism of the second device, and wherein the protection mechanism of the second device comprises a sliding surface to at least in part cover the first and second battery pads of the second device.

US Pat. No. 10,432,002

APPARATUS AND METHODS FOR SUSTAINABLE BATTERY CHARGING

1. A plug for charging an electronic device,wherein the plug will be automatically detached from a power port of said device when the device battery is fully charged, comprising;
an electromagnetic system, comprising;
at least two magnetic bodies, wherein first magnetic body is attached to said power port and second magnetic body is attached to said plug of the electronic device,
an electronic circuit to induce a pulse width modulated (PWM) current through a coil of wire attached to at least one of said magnetic bodies, wherein said PWM current induces a magnetic field in said at least one of said magnetic bodies,
an attachment/detachment mechanism controlled by changing the direction of poles and the intensity of magnetic field in said at least two magnetic bodies,
a feedback loop from the charged level of the device battery;
wherein the direction and intensity of the magnetic field induced in said coil of wire is determined by the direction and the value of the average current flows through the coil of wire; and,
wherein the direction and the value of the average current flows through the coil of wire is determined by the duration of the pulse in said PWM current; and,
wherein the feedback loop controls the duration of the pulse in said PWM current; and,
wherein the attachment/detachment mechanism detaches said plug from said power port when the direction of poles in one of said two magnetic bodies flipped.

US Pat. No. 10,431,999

CHARGING ASSEMBLY OF ELECTRONIC FRAME AND CHARGING METHOD OF ELECTRONIC FRAME

LG ELECTRONICS INC., Seo...

1. A charging assembly, comprising:an electronic frame having a battery and displaying visual information;
a take-up reel provided on a rear surface of the electronic frame to wind or unwind a charge cable;
a weight connected to the take-up reel by the charge cable to be raised and lowered; and
a charger arranged to be spaced apart from the electronic frame and charging the battery, wherein the weight is lowered during the charging of the battery to be electrically connected to the charger, wherein the electronic frame is configured to:
determine whether a capacity of the battery is less than a predetermined value;
detect a movement of an object around the electronic frame; and
couple an electrode portion provided on the electronic frame to the charger when the movement of the object around the electronic frame is not detected, and wherein the electronic frame detects an absence of the object by interworking with an Internet of Things (IoT) device.

US Pat. No. 10,431,997

COMPUTERIZED INFORMATION SYSTEM FOR SMART GRID INTEGRATED ELECTRIC VEHICLE CHARGING AND ASSOCIATED METHOD

Electric Motor Werks, Inc...

1. A system for charging an electric or hybrid-electric vehicle, the system comprising:a. at least one vehicle charging station intermittently connectable to the vehicle;
b. a control server comprising at least one processing unit and a memory, wherein the control server is communicatively coupled, via the data network, to a smart grid infrastructure and the control server receives at least one real-time data stream from the smart grid infrastructure and
c. a computerized information system comprising a display unit displaying a user interface and a user input unit, the computerized information system being communicatively connected to the control server via a data network, wherein the user interface comprises a charging priority selection portion for receiving, via the user input unit, a plurality of charging priorities from an operator of the vehicle, wherein the computerized information system transmits the received plurality of charging priorities to the control server and wherein the control server controls the at least one vehicle charging station based on the transmitted plurality of charging priorities, wherein the charging priority selection portion of the user interface comprises a plurality of user interface widgets, each of the plurality of user interface widgets corresponding to a charging priority from the plurality of charging priorities.

US Pat. No. 10,431,995

ELECTRONIC DEVICE AND CHARGE CONTROL METHOD

CANON KABUSHIKI KAISHA, ...

1. An electronic device comprising:a processor and a memory configured to function as a first unit that performs an enumeration process with power received from an external apparatus connected to the electronic device via a universal serial bus (USB) cable, wherein before the enumeration process is completed, a current flowing from the external apparatus to the electronic device is limited to a first value;
a second unit that performs a battery authentication process with power received from the external apparatus after the enumeration process is completed, wherein after the enumeration process is completed, a current flowing from the external apparatus to the electronic device is limited to a second value larger than the first value; and
a charging unit that charges a battery authenticated by the battery authentication process with power received from the external apparatus after the battery is authenticated by the battery authentication process.

US Pat. No. 10,431,984

POWER-GENERATING SYSTEM WITH IMPROVED TREATMENT OF CHARGING IMPACTS, LOAD-SHEDDING AND HARMONICS

MOTEURS LEROY-SOMER, Ang...

1. An electrical energy generation system comprising:an alternator to be coupled to a driving system, delivering an alternating voltage to an output bus,
an AC/DC reversible converter whose AC bus is linked to the output bus of the alternator,
an electrical storage element linked to the DC bus of the converter,
a controller arranged to react to transient load-shedding or charging impact conditions by controlling the converter in such a way as to take energy from the output bus of the alternator and store the energy in the storage element in load-shedding cases, and to take the energy from the storage element and inject the energy onto the output bus in charging impact cases,
the converter being controlled to inject harmonic current neutralization currents on the AC bus of the alternator,
the converter comprising at least one active filter function for generating harmonic current neutralization control voltages, the harmonic current neutralization control voltages being added to power transfer control voltages to obtain control signals of the converter.

US Pat. No. 10,431,983

THREE PHASE INVERTER DC-LINK VOLTAGE CONTROL METHOD FOR REACTIVE POWER OVERLOAD TRANSIENT PROCESS

1. A method for controlling a grid-connected three phase reactive power compensation inverter to deliver a required amount of reactive power to a grid while limiting an internal DC-link voltage transient overshoot, said method comprising:receiving, by an inverter controller, inputs including three phase grid voltage signals, a DC-link voltage signal, and three phase grid-inverter current signals from sensors, and a quadrature current reference signal from a master controller;
computing, using a processor in the inverter controller, three phase reference voltage signals based on the inputs, where the reference voltage signals are computed using real-time control calculations in a direct-quadrature reference frame including cross-couple feedforward terms wherein reference and actual components of direct current are combined and multiplied by an angular frequency and an inverter filter inductance and then cross-coupled to a quadrature voltage summer, and reference and actual components of quadrature current are combined and multiplied by (?1) and the angular frequency and the inverter filter inductance and then cross-coupled to a direct voltage summer; and
controlling duty cycles of a plurality of inverter switches, using a pulse-width modulation (PWM) module in the inverter controller, based on the three phase reference voltage signals; wherein,
computing three phase reference voltage signals includes:
processing the grid voltage signals to provide nominal grid voltage and frequency values and an instantaneous phase angle, and direct and quadrature voltage components;
computing a DC-link voltage adjustment in a proportional-integral (PI) controller based on the DC-link voltage signal and a DC-link reference voltage, and calculating a direct reference current based on the DC-link voltage adjustment;
transforming the grid-inverter current signals to provide direct and quadrature current components;
computing a direct current adjustment in a PI controller based on the direct reference current and the direct current component, and computing a quadrature current adjustment in a PI controller based on the quadrature reference current and the quadrature current component;
combining the direct current adjustment with the direct voltage component in the direct voltage summer, and combining the quadrature current adjustment with the quadrature voltage component in the quadrature voltage summer;
computing a direct feedforward term and cross-coupling it to the quadrature voltage summer, and computing a quadrature feedforward term and cross-coupling it to the direct voltage summer; and
transforming outputs of the direct voltage summer and the quadrature voltage summer to the three phase reference voltage signals.

US Pat. No. 10,431,981

SURGE SUPPRESSION SYSTEM FOR MEDIUM AND HIGH VOLTAGE

Asator Global Technologie...

1. A surge suppression system of a power distribution system of a power grid which provides power to low-voltage power consumers, comprising:at least one three phase system transformer of said power distribution system having a primary side which receives three phase power from a power source through a first set of power distribution lines, and a secondary side, which supplies three phase power downstream through a second set of power distribution lines, said primary and secondary sides including respective primary and secondary side coils to transform said three phase power from a first voltage on said primary side to a second voltage on said secondary side different from said first voltage, said system transformer stepping said first voltage up to or stepping said first voltage down from one of a lower voltage or a higher voltage;
at least one surge suppressor unit connected, via respective direct electrical connections and in immediate physical proximity to said system transformer, in a shunt connection to at least one of (i) said first set of power distribution lines on said primary side of said system transformer and (ii) said second set of power distribution lines on said secondary side of said system transformer, each surge suppressor unit comprising a plurality of transformer banks which correct disruptions resulting from voltage surges due to an electromagnetic pulse (“EMP”) or geomagnetic disturbance (“GMD”) through said first set of power distribution lines or said second set of power distribution lines, each of said plurality of transformer banks including (i) a respective primary coil which connects to and receives said respective phase of said three phase power received from said power distribution system and (ii) a respective secondary coil which connects in series together with a secondary coil of each other of said plurality of transformer banks and has a resistor connected in series therewith to drain energy from a surge, wherein said plurality of transformer banks transform said three phase power from said first voltage or said second voltage of said system transformers to three phase power at a third voltage; and
at least one sensor configured to detect information associated with an operation of each surge suppressor unit.

US Pat. No. 10,431,979

METHOD AND SYSTEM FOR DETERMINING THE STRUCTURE OF AN ELECTRICITY TRANSMISSION GRID AND ASSOCIATED COMPUTER PROGRAM

SCHNEIDER ELECTRIC INDUST...

1. A method for determining the structure of an electricity transmission grid, the method being implemented by computer, the transmission grid comprising a power supply station comprising one or more feeders for supplying electrical power to a plurality of electricity consumers, the method comprising:a) acquiring, for each of the plurality of electricity consumers, first data (ECi(tl)) relating to the electrical power consumed by the electricity consumer during various time intervals (tl), measured via a first sensor for measuring power;
b) acquiring, for each of the one or more feeders, second data (EDj(tl)) relating to the electrical power delivered by a corresponding feeder during the various time intervals (tl), measured via a second sensor for measuring power;
c) generating, via a processor, a plurality of different classes of data (Jel), each associated with one of the time intervals, each of the classes of data (Jel) comprising the first (ECi(tl)) and second (EDj (tl)) data associated with said time interval (tl);
d) calculating a first selection criterion (C1l) for each of the classes of data, the first selection criterion (C1l) being a criterion chosen from an overall rate of electrical power losses among the one or more feeders and the consumers and a difference in consumption of electrical power between the various consumers;
e) selecting, by a selector and on the basis of the first selection criteria (C1l) calculated, a first set (En1) of classes of data (Jek) from the classes generated (Jel); and
f) determining, from the first selected set (En1), connection parameters (aij), said parameters (aij) comprising for each of the plurality of electricity consumers an identifier of the corresponding feeder to which it is connected,
wherein the connection parameters are used to determine a structure of the electricity transmission grid in order to assess compliance of the electricity transmission grid with regulatory requirements.

US Pat. No. 10,431,978

SYSTEM AND METHOD FOR HYBRID ENERGY CONVERSION

General Electric Company,...

1. A DC power distribution system comprising:a DC bus;
a plurality of DC power sources connected to the DC bus each configured to generate an output power for transmission to the DC bus, wherein the plurality of DC power sources include at least two different types of DC power sources having differing voltage terminal output characteristics;
a power conversion circuit coupled to each of the plurality of DC power sources to selectively condition the output power generated by its respective DC power source to a DC bus voltage, with each power conversion circuit having a standardized construction so as to be identical to each of the other power conversion circuits;
wherein each power conversion circuit comprises:
a switch arrangement comprising a plurality of switches operable in an open state and a closed state;
a plurality of capacitors arranged to provide a charge balancing in the power conversion circuit, the plurality of capacitors including a DC link capacitor;
a charging switch operable to selectively electrically couple and decouple the power conversion circuit to the DC bus; and
a controller in operable communication with the switch arrangement, the controller being programmed to:
receive a first input comprising a DC bus voltage present on the DC bus;
receive a second input comprising at least one parameter related to operation of the DC power source to which the respective power conversion circuit is coupled;
determine an adjustable voltage to be output from the conversion circuit to the DC bus based on the received first and second inputs; and
selectively control operation of each of the plurality of switches in the switch arrangement in order to generate the determined adjustable voltage.

US Pat. No. 10,431,977

METHOD OF SUPPLYING POWER TO MULTIPLE ELECTRONIC DEVICES THAT ARE GROUPED WITHIN A SPECIFIC SPACE

1. A method of supplying power to multiple electronic devices that are grouped within a specific space, comprising the steps of:providing a multiport power supply, wherein the multiport power supply comprises of an AC/DC power supply, a distribution board that has an integral fuse that attaches to the AC/DC power supply, at least one power adjustment circuit and wherein the power adjustment circuit comprises a voltage regulator, a voltage selector, and at least one DC output port;
providing at least one electronic device that has a power supply plug and the power supply has a cord;
cutting the cord of the power supply of the electronic device;
attaching a terminal block connector to the cord of the electronic device;
connecting at least one of the terminal block connectors to one of the DC output ports; and
reading a specification of each electronic device and adjusting the voltage selector so that the amperage and the voltage going to each electronic device matches the specification of each electronic device.

US Pat. No. 10,431,976

MECHANISM TO EXTEND THE PEAK POWER CAPABILITY OF A MOBILE PLATFORM

INTEL CORPORATION, Santa...

1. An apparatus comprising:voltage monitoring hardware to monitor voltage being supplied by a battery to a system load;
an energy storage coupled to the voltage monitoring hardware to supplement supply of power to the system load when the voltage supplied to the system load by the battery, as monitored by the voltage monitoring hardware, drops below a first threshold voltage level, the first threshold voltage level being above a minimum voltage level associated with the system; and
a battery charger to charge the battery that is to supply power to the system load and to charge the energy storage when the battery is supplying the power to the system load and the voltage being supplied by the battery to the system load is above a second threshold voltage level that is higher than the first threshold voltage level and does not charge the energy storage when the voltage being supplied by the battery to the system load is below the second threshold voltage level but higher than the first threshold voltage level, the voltage monitoring hardware being operable to monitor the voltage supplied by the battery to the system load after the voltage drops below the second threshold voltage level.

US Pat. No. 10,431,973

SEMICONDUCTOR SWITCH CONTROL DEVICE

YAZAKI CORPORATION, Toky...

1. A semiconductor switch control device comprising:a first semiconductor switch provided between an anode of a power supply and a load to conduct or block a current flowing from the power supply to the load;
a second semiconductor switch provided between the load and a cathode of the power supply to regulate the current flowing from the load to the power supply according to an applied setting gate voltage and limit a current flowing through the first semiconductor switch; and
a controller configured to control the first semiconductor switch and the second semiconductor switch, wherein
in a case where a current value that is larger than an abnormal current value indicating that a first semiconductor input current which is the current flowing through the first semiconductor switch is an overcurrent and smaller than a maximum current value of a current which is larger than the abnormal current value and can be tolerated by the first semiconductor switch is set as a current limit value, the controller applies a limiting gate voltage to the second semiconductor switch such that the limiting gate voltage sets a current value of the first semiconductor input current to the current limit value.

US Pat. No. 10,431,972

AUTO-MONITORING CIRCUIT AND CIRCUIT INTERRUPTER INCLUDING THE SAME

EATON INTELLIGENT POWER L...

1. An auto-monitoring circuit for use in a circuit interrupter, the auto-monitoring circuit comprising:a first input structured to receive a signal from a processor of an electronic trip unit of the circuit interrupter;
a second input structured to receive power from a circuit protected by the circuit interrupter;
a first switch structured to remain closed while the signal is received at the first input and remains above a predetermined threshold level and to open when the signal ceases to be received at the first input or drops below the predetermined threshold level;
a second switch structured to remain open while the first switch is closed and to close when the first switch opens; and
an output electrically connected to a trip circuit of the circuit interrupter,
wherein closing the second switch causes a trip signal to be output to the trip circuit that causes the trip circuit to open separable contacts of the circuit interrupter.

US Pat. No. 10,431,971

THERMAL PROTECTOR

TE CONNECTIVITY CORPORATI...

1. A thermal protector comprising:a body integrally connected to a magnet wire terminating feature;
the body and the magnet wire terminating feature are together formed in a unitary construction;
the magnet wire terminating feature having discontinuities wherein when the discontinuities of the magnet wire terminating feature are brought into contact with a magnet wire, the magnet wire terminating feature provides an electrical connection between the magnet wire terminating feature and the magnet wire.

US Pat. No. 10,431,969

SLIDING OUTLET WITH NO WIRE NUTS

1. A sliding outlet comprising:a first connector extension secured to a first connector, the first connector extension being flat, elongate, and outwardly projecting relative to the first connector;
a second connector extension secured to a second connector the second connector extension being flat, elongate, and outwardly projecting relative to the second connector;
and a third connector extension secured to a third connector the third connector extension being flat, elongate, and outwardly projecting relative to the third connector;
the sliding outlet being adapted to slidingly engage an outlet box, wherein the outlet box consists of:
an enclosure, a first bus bar, a second bus bar, a third bus bar;
a first bus bar extension secured to the first bus bar, the first bus bar extension being flat, elongate, and outwardly projecting relative to the first bus bar;
and a second bus bar extension secured to the second bus bar, the second bus bar extension being flat, elongate, and outwardly projecting relative to the second bus bar;
wherein the first bus bar, the second bus bar, and the third bus bar each having one or more female sockets formed therethrough adapted to be capable of releasably securing a conductor;
the first bus bar being mounted to a back wall of the enclosure;
the second bus bar being mounted to the back wall of the enclosure;
the third bus bar being mounted to a bottom wall of the enclosure;
the enclosure having a first aperture disposed in a top wall thereof;
the first aperture being adapted such that a wire can be inserted therein;
the first connector extension being adapted to operatively contact the first bus bar extension as the sliding outlet slidingly engages the outlet box;
the second connector extension being adapted to operatively contact the second bus bar extension as the sliding outlet slidingly engages the outlet box;
the third connector extension being adapted to operatively contact the third bus bar as the sliding outlet slidingly engages the outlet box;
whereby the sliding outlet is operatively connected to the outlet box without the need for wire nuts.

US Pat. No. 10,431,968

CONDUCTOR POSITIONING FIXTURE FOR CABLE PROCESSING

TE Connectivity Corporati...

1. A conductor positioning fixture comprising:a base including a positioning platform and a wedge that projects upward from a top surface of the positioning platform, the base configured to receive a cable on the top surface of the positioning platform such that exposed segments of a first conductor and a second conductor of the cable extend along opposite sides of the wedge; and
a retainer member mounted to the base and movable relative to the base along a longitudinal axis between a retracted position and an extended position, the retainer member spaced apart from the wedge along the longitudinal axis when in the retracted position and at least partially overlapping the wedge along the longitudinal axis when in the extended position;
wherein, as the retainer member moves from the retracted position towards the extended position, the retainer member is configured to engage and force the exposed segments of the first and second conductors of the cable into designated presentation positions.

US Pat. No. 10,431,965

HYDRAULIC CABLE PULLER

WINCH, LLC, Monroe, NC (...

1. A hydraulic cable puller mounted on a boom arm of an excavator, comprising:(a) a hub having an axially-extending annular winding spindle for receiving a plurality of wraps of a rope adapted to connect to a downstream end of a cable to be pulled and to exert a pulling force on the cable;
(b) a hydraulic motor mounted within a housing on the hub for rotating the hub and including an inlet port and outlet port for being attached to inlet and outlet hydraulic supply conduits of the excavator;
(c) a mounting bracket adapted to mount the hub and the hydraulic motor onto a sidewall of a bucket attached to an end of the boom arm of the excavator;
(d) the hub and hydraulic motor extend laterally outward from and within a plane of the sidewall exterior to the bucket; and
(e) whereby an axis of rotation of the hub perpendicular to the sidewall of the bucket is maintained during movement of the bucket on the boom arm of the excavator.

US Pat. No. 10,431,964

REMOVABLE ELECTRIC CURRENT SWITCHING ELEMENT AND ELECTRICAL SWITCHGEAR FOR SWITCHING AN ELECTRIC CURRENT COMPRISING SUCH A REMOVABLE SWITCHING ELEMENT

SCHNEIDER ELECTRIC INDUST...

1. A removable electric current switching element, comprising:a first and a second housing part that are fittable to one another and reversibly movable with respect to one another between an assembled configuration in which the first housing part and the second housing part are fitted to one another and a partially disassembled configuration in which the first housing part and the second housing part are partially fitted to one another;
fixed electrical contacts, which are rigidly connected to the first housing part; and
movable electrical contacts movable with respect to the fixed electrical contacts, said movable electrical contacts being housed in the second housing part and being movable with respect to the second housing part,
the first housing part including side walls provided with through inspection windows,
the second housing part including insulating walls which each delimit a volume within the second housing part around a corresponding movable conductor, and
the first and second housing parts being arranged relative to one another in such a way that, in the assembled configuration, the insulating walls mask the inspection windows and that, in the partially disassembled configuration, the insulating walls are away from the inspection windows to free access to the inspection windows.

US Pat. No. 10,431,961

SPARK PLUG

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

1. A spark plug comprising:an insulator having an axial hole formed therein in an axial direction;
a center electrode extending in the axial direction and having a rear end located within the axial hole;
a metal terminal extending in the axial direction and having a front end located rearward of the rear end of the center electrode within the axial hole;
a resistor arranged between the center electrode and the metal terminal within the axial hole; and
a conductive seal layer that fills a space between the resistor and the center electrode in the axial hole and keeps the center electrode and the resistor apart from each other,
wherein the conductive seal layer has a first layer portion located adjacent to the center electrode and a second layer portion located between the first layer portion and the resistor,
wherein a thermal expansion coefficient of the resistor, a thermal expansion coefficient of the first layer portion and a thermal expansion coefficient of the second layer portion are different from one another, and
wherein the thermal expansion coefficient of the second layer portion has a value between the thermal expansion coefficient of the first layer portion and the thermal expansion coefficient of the resistor.

US Pat. No. 10,431,960

SPARK PLUG FOR INTERNAL COMBUSTION ENGINE

DENSO CORPORATION, Kariy...

1. A spark plug for an internal combustion engine, comprising:a cylindrical housing;
a cylindrical insulator held inside the housing;
a center electrode held inside the insulator so that a tip end part protrudes; and
a ground electrode that is connected to the housing and forms a spark discharge gap between the center electrode and the ground electrode, wherein:
the ground electrode includes an upright part that is vertically provided on a tip end part of the housing to a tip end side and an inclined part that is bent from the tip of the upright part toward the center electrode side to extend toward an oblique tip end side,
the inclined part has a ground end face that is an end face opposite to the upright part, an opposed face that faces the center electrode side, and a corner curved face that has a curved face shape smoothly connecting the ground end face and the opposed face,
a curvature radius R of the corner curved face satisfies 0.3 mm?R?0.7 mm, and
an inclination angle ? of the inclined part with respect to a plug axial direction satisfies 30°???60°.

US Pat. No. 10,431,951

LEAKAGE LIGHT REMOVAL STRUCTURE AND FIBER LASER

FUJIKURA LTD., Tokyo (JP...

1. A leakage light removal structure for removing leakage light in an optical fiber having a core, a cladding covering the core and having a refractive index lower than a refractive index of the core, and a covering material covering the cladding and having a refractive index higher than the refractive index of the cladding, the leakage light removal structure comprising:a fiber housing that houses part of the optical fiber;
a covering material base portion formed by part of the covering material that covers a whole circumference of the cladding;
a covering material extension portion covering part of the whole circumference of the cladding by extending part of the covering material from the covering material base portion along a longitudinal direction of the optical fiber within the fiber housing, the covering material extension portion extending continuously upstream from the covering material base portion along the longitudinal direction of the optical fiber; and
a cladding exposure portion in which a portion of the whole circumference of the cladding other than the covering material extension portion is exposed within the fiber housing, the cladding exposure portion being covered with a medium or a resin having a refractive index lower than the refractive index of the cladding such that the leakage light emitted into the covering material is confined in the covering material by the medium or the resin and absorbed in the covering material while propagating through the covering material.

US Pat. No. 10,431,947

ELECTRICAL COMPONENT SOCKET

ENPLAS CORPORATION, Sait...

1. An electrical component socket comprising:a socket body configured to receive an electrical component having terminals arranged at regular intervals; and
contact pins extending through the socket body so that each of the contact pins has a first end passing through a first side of the socket body and a second end passing through a second side of the socket body,
wherein the electrical component socket is arrangeable on a circuit board having terminals so that, when the electrical component socket is arranged on the circuit board with the electrical component received by the socket body,
the first end of each of the contact pins passing through the first side of the socket body contacts a terminal of the terminals of the electrical component and the second end of each of the contact pins passing through the second side of the socket body contacts a terminal of the terminals of the circuit board, and
a pitch at the first side of the socket body between at least two adjacent contact pins of the contact pins is narrower than a pitch between the terminals of the electrical component, and a pitch at the first side of the socket body between adjacent contact pins, other than the at least two adjacent contact pins, of the contact pins is substantially equal to the pitch between the terminals of the electrical component.

US Pat. No. 10,431,946

VEHICULAR SECURITY BYPASS

1. An electrical harness for bypassing a vehicular security module, comprising:a first connector having a first pin and a second pin;
a second connector having a first pin and a second pin;
a third connector having a plurality of pins; and
a plurality of electrical conductors, wherein:
the first pin of the first connector is electrically coupled to a third pin of the plurality of pins of the third connector via a first conductor of the plurality of electrically conductors,
the second pin of the first connector is electrically coupled to an eleventh pin of the plurality of pins of the third connector via a second conductor of the plurality of electrical conductors,
the first pin of the second connector is electrically coupled to a fourteenth pin of the plurality of pins of the third connector via a third conductor of the plurality of electrical conductors, and
the second pin of the second connector is electrically coupled to a sixth pin of the plurality of pins of the third connector via a fourth conductor of the plurality of electrical conductors.

US Pat. No. 10,431,945

POWER CONNECTOR HAVING A TOUCH SAFE SHROUD

TE CONNECTIVITY CORPORATI...

1. A power connector comprising:a housing having a front and a rear, the housing having a first side and a second side between the front and the rear, the housing having a first end and a second end between the front and the rear, the housing having a first terminal channel and an opening through the first side to the first terminal channel, the opening receives a fastener used to secure a power element in the first terminal channel, the fastener being exposed at an exterior of the housing;
a first power terminal received in the first terminal channel, the first power terminal having a base and contacts extending from the base toward the front for mating with a bus bar, the base configured to be coupled to the power element; and
a shroud coupled to the housing, the shroud being slidable along the housing between an unactuated position and an actuated position, the shroud being slid from the unactuated position to the actuated position, the shroud exposing the opening and the fastener in the unactuated position, the shroud covering the fastener in the actuated position.

US Pat. No. 10,431,943

COAXIAL INSPECTION CONNECTOR

Murata Manufacturing Co.,...

1. A coaxial inspection connector comprising:an outer conductor;
a center conductor; and
a first bushing, wherein
the outer conductor includes
a first housing that has a tubular shape extending in a first direction, and
a second housing that has a tubular shape extending from the first housing toward one side in the first direction,
the center conductor includes
a first center conductor portion that extends in the first housing in the first direction and that is fixed to the first housing by the first bushing, and
a second center conductor portion that extends in the second housing in the first direction,
the second housing is supported by the first housing in such a way that an end portion of the second housing on the one side in the first direction is capable of swinging in a second direction that is perpendicular to the first direction, and
the second center conductor portion includes
a swing portion at which the second center conductor portion is supported by the first center conductor portion in such a way that an end portion of the second center conductor portion on the one side in the first direction is capable of swinging in the second direction,
a tip portion that includes the end portion of the second center conductor portion on the one side in the first direction and that is capable of moving in the first direction relative to the swing portion, and
an elastic member, the elastic member being included between the swing portion and the tip portion.

US Pat. No. 10,431,941

USB CABLE WITH THERMAL PROTECTION

Littelfuse, Inc., Chicag...

1. A system for providing over-temperature protection comprising:a first device having a first data conductor,
a second device having a second data conductor,
a cable comprising:
a power conductor connecting the first device to the second device and configured to transmit electrical power between the first device and the second device; and
a third data conductor connecting the first data conductor to the second data conductor and configured to transmit data between the first device and the second device; and
a first positive temperature coefficient (PTC) element coupled to the first data conductor and configured to mitigate current flowing through the first data conductor if a temperature of the PTC element rises above a predefined first trip temperature, wherein at least one of the first device and the second device is configured to reduce an amount of electrical power transmitted via the power conductor upon mitigation of the current flowing through the third data conductor.

US Pat. No. 10,431,940

POWER RECEPTACLE WITH WIRELESS CONTROL

Eaton Intelligent Power L...

1. A power receptacle, comprising:a socket, wherein a direct current (DC) power signal is provided at the socket to provide a DC power to a device that is plugged into the socket;
a switch that is electrically coupled to the socket;
a controller that controls the switch to control whether the DC power signal is available at the socket, wherein the controller controls the switch based on a power control command that is wirelessly received by the power receptacle;
a receiver that is communicably coupled to the controller, wherein the receiver receives the power control command and provides the power control command to the controller; and
a transmitter communicably coupled to the controller, wherein the controller monitors the DC power signal and provides monitored information related to the DC power signal to the transmitter, and wherein the transmitter wirelessly transmits a monitor signal that includes the monitored information.

US Pat. No. 10,431,937

ELECTRIC CONNECTOR FOR ELECTRONIC DEVICE

Acer Incorporated, New T...

1. An electric connector, suited for an electronic device, the electric connector comprising:a body, suited for being disposed in the electronic device, the body having at least one receiving area, the receiving area being located on at least one of a top portion and a bottom portion of an exterior of the body;
a plurality of terminals, disposed in the body, an external electric connector suited for being butted to the body along a first axis to be electrically connected to the terminals;
an electrical connecting member, one end of the electrical connecting member being located in the receiving area to be electrically connected to the terminals, another end of the electrical connecting member extending out of the receiving area along a second axis to be electrically connected to the electronic device, wherein the first axis is different from the second axis;
a shielding member, assembled to the body to shield electromagnetic noise generated by the terminals or the electrical connecting member,
wherein the body has a front side and a rear side opposite to each other, the external electric connector is butted to the body from the front side, the shielding member is located at the rear side, and the front side, the receiving area, and the rear side are arranged along the first axis.

US Pat. No. 10,431,935

CONNECTOR

SPEED TECH CORP., Taoyua...

1. A connector, comprising:an insulating housing;
a circuit board having a front end configured to dock with a docking connector and a back end distal to the front end, a plurality of gold fingers being disposed at the front end and exposed at a surface of the circuit board, the back end being embedded in the insulating housing, the front end extending out of the insulating housing; and
a plurality of guides, each of the guides being partially embedded in the insulating housing and parallel to the circuit board, wherein each of the guides is located at one of opposite sides of the insulating housing and extends outwardly towards the docking connector, wherein each of the guides approaches a location of the gold fingers on the circuit board and has an end overlapping a sidewall of the front end extending out of the insulating housing.

US Pat. No. 10,431,933

HIGH VOLTAGE CONNECTOR ASSEMBLY

Ford Global Technologies,...

1. A high voltage connector assembly comprising:a first connector having an identification mark;
a second connector including a mark section and arranged to engage the first connector
a pivotable member mounted to one of the first connector and second connector and configured to pivot between a first position allowing disengagement of the first and second connector and a second position restricting disengagement of the first and second connector; and
an interlock switch arranged to cooperate with the pivotable member and prevent access to at least one of the identification mark and the mark section when the pivotable member is in the first position.

US Pat. No. 10,431,930

WELDING LEAD CABLE CONNECTOR HOLDING APPARATUS FOR LOCKING AND PROTECTING WELDING LEADS

1. A welding lead cable connector securing apparatus for securing a welding lead cable connector to another device and for protecting such welding lead cable connector, the apparatus comprising:a. a shell defining a primary cavity therein, the shell further comprising a first shell member and a second shell member wherein the first shell member is hingedly attached to the second shell member; and
b. an appendage extending from the first shell member wherein at least part of the appendage extends through a shell member hole in the second shell member when the shell is in a closed configuration, and wherein the appendage includes an appendage aperture through which a pivoted hook of a padlock can be inserted to lock and secure the welding lead cable connector securing apparatus in the closed configuration.

US Pat. No. 10,431,927

MANUAL CLAM PLUG CONNECTOR

1. A manual clam plug connector to connect a plug connector, the manual clam plug connector comprising:a vice-grip locking pliers disposed at a first end of the manual clam plug connector to be squeezed manually; and
a connecting clam disposed at a second end of the manual clam plug connector to be squeezed in response to the vice-grip locking pliers being squeezed, such that a female connector end of the plug connector and a male connector end of the plug connector are brought together in response to the connecting clam being squeezed.

US Pat. No. 10,431,925

MOUNTING STRUCTURE FOR ELECTRICAL DEVICE IN VEHICLE

TOYOTA JIDOSHA KABUSHIKI ...

1. A mounting structure for an electrical device in a vehicle, the mounting structure comprising:the electrical device supported by a bracket above a structure with a gap in a front compartment of the vehicle;
a first connector connected with a back face of a housing of the electrical device; and
a second connector connected with the back face of the housing,
wherein:
the first connector has a higher strength than a strength of the second connector, and
a rear end of the first connector is located further rear with respect to a front-rear direction of the vehicle than a rear end of the second connector.

US Pat. No. 10,431,924

TERMINAL AND WIRING MODULE

AutoNetworks Technologies...

1. A terminal comprising:a connection portion that is to be connected to an electrode terminal of a power storage element; and
a wire connection portion that is to be connected to an electrical wire,
wherein a guide portion is disposed entirely between the connection portion and the wire connection portion so as to be spaced apart from the electrical wire, the guide portion guiding a liquid adhered to the connection portion so as to fall to a position separated from the wire connection portion and the electrical wire.

US Pat. No. 10,431,923

PROGRESSIVE-ACTION SEALING SYSTEM FOR ELECTRICAL CONDUCTORS

1. A progressive action sealing system for electric conductors comprising:a progressive piston assembly (3) having a plurality of elastomers (5) that is assembled between an upper piston (4) and a lower piston (6), wherein each elastomer of said plurality of elastomers (5) is configured to separately receive one electrical conductor within for sealing and isolating said electrical conductor;
a pressure chamber (8) having an upper pre-seal (2) and a lower pre-seal (7), wherein said progressive piston assembly (3) is located inside said pressure chamber (8) between said upper pre-seal (2) and said lower pre-seal (7); and
an upper adapter (1) removably attached to said pressure chamber (8) to enclose said progressive piston assembly (3) so that said progressive piston assembly (3) works bi-directionally, receiving pressure at either end while compressing uniformly the at least one elastomer (5), wherein said progressive piston assembly (3) serves as a bidirectional and progressive pressure seal barrier depending on the pressure and the applied direction of the force received on each side of the seal.

US Pat. No. 10,431,921

SEALING COVER AND ACTUATOR HAVING SAME

LG Innotek Co., Ltd., Se...

1. A sealing cover comprising:a cap;
a grommet configured to extend from the cap; and
a terminal inserted into the grommet,
wherein the terminal includes a first connecting end disposed at one side of the terminal and a second connecting end disposed at the other side of the terminal with the cap interposed therebetween, and
wherein the grommet includes coupling flanges respectively formed at positions of the first connecting end and the second connecting end.

US Pat. No. 10,431,920

ONE-PIECE PARALLEL MULTI-FINGER CONTACT

1. An electronic device socket comprising:a barrel having a lumen extending therethrough, the barrel comprising,
a proximal barrel portion having a first outer diameter;
a tapering region extending distally from the proximal barrel portion, the tapering region extending both distally and radially inward towards a central axis of the barrel defining a second diameter which is smaller than the first diameter;
a plurality of fingers extending distally from the tapering region, the plurality of fingers are all parallel to one another and the central axis;
a dimple contact area extending from each of the plurality of fingers extending radially inward and distally.

US Pat. No. 10,431,916

CONNECTOR

PANASONIC INTELLECTUAL PR...

1. A connector comprising:a plurality of first contact parts each extending in a first direction, the plurality of first contact parts being arranged in a second direction being perpendicular to the first direction; a first partition wall being insulating and partitioning between one of the plurality of first contact parts and another one of the plurality of first contact parts being adjacent to the one of the plurality of first contact parts; and
a protruding portion being provided at a surface of the first partition wall, the surface being parallel to the first direction and the second direction,
wherein:
only one of the protruding portion is provided between the one of the plurality of first contact parts and the another one of the plurality of first contact parts,
a width of the protruding portion is narrower than a width of the first partition wall in the second direction, and
one side surface of the protruding portion faces one side surface of the one of the plurality of first contact parts with a gap.

US Pat. No. 10,431,909

LASER WELD COAXIAL CONNECTOR AND INTERCONNECTION METHOD

CommScope Technologies LL...

1. A coaxial connector interconnected with a coaxial cable, with an outer conductor and an inner conductor, by a process comprising:providing a connector body with a bore;
inserting a leading end of the coaxial cable into the bore from a cable end of the connector body, and
laser welding between the outer conductor and the connector body from, a connector end of the connector body;
wherein the leading end of the coaxial cable is inserted into the bore until a leading edge of the outer conductor axially abuts a stop shoulder proximate a connector end of the bore;
wherein providing a connector body with a bore includes preparing the leading end of the cable end prior to insertion into the bore by removing a portion of the outer conductor so that an inner conductor extends therefrom, removing a portion of a dielectric material between the inner conductor and the outer conductor such that the dielectric material is recessed within the leading end of the coaxial cable.

US Pat. No. 10,431,907

CONNECTION APPARATUS AND ELECTRICAL RECEPTACLE

EATON INTELLIGENT POWER L...

1. A connection apparatus structured to be electrically connected with a wire and with an electrical connector, the connection apparatus comprising:a conductive device;
a compression element situated on the conductive device;
the conductive device comprising a pair of contacts and a terminal co-formed with one another from a single sheet of material;
the terminal comprising a base and a support, the support extending in a direction from the base;
the compression element being disposed on the support and being structured to be movable toward and away from the base and being further structured to compressively retain the wire between the compression element and the base; and
the pair of contacts being structured to receive the electrical connector therebetween and to be biased into mechanical and electrical engagement with the electrical connector.

US Pat. No. 10,431,906

AUTOMOTIVE WIRING HARNESS FLAT CABLE END TERMINATION

FORD GLOBAL TECHNOLOGIES,...

1. Electrical distribution apparatus comprising:a flat flexible cable having an insulating substrate embedding a plurality of flat wires, and having a cable end wherein the wires extend as exposed blade fingers, each having at least one lateral fold stacking a thickness of the respective finger;
a ferrule crimped over each stacked finger;
a plurality of contact bodies each with a coupler end and a crimp end with a pair of legs crimped onto a respective ferrule; and
a carrier block having a plurality of bores each receiving a respective coupler end;
wherein the ferrule is comprised of a bimetallic cylinder having an inner layer comprising a first metal compatible with the blade fingers and an outer layer comprising a second metal compatible with the contact bodies.

US Pat. No. 10,431,905

METHOD FOR CRIMPING CONNECTION STRUCTURE

FURUKAWA ELECTRIC CO., LT...

1. A method for crimping a connection structure, the method comprising:inserting an electric wire tip portion of an insulated wire, the electric wire tip portion having been formed by exposing a conductor by peeling off an insulating covering of a tip side, into a crimping portion of a hollow cross section that comprises an internal space that allows insertion of the electric wire tip portion in a crimp terminal;
deforming the crimping portion by moving a pair of terminal pressurization members in a crimping direction; and
crimping and connecting the insulated wire and the crimp terminal, wherein the pair of terminal pressurization members include plural outer peripheral contact portions, the outer peripheral contact portions contacting an outer periphery of the crimping portion in a perpendicular cross section that is perpendicular to a longitudinal direction and a crimping direction of the crimp terminal,
the plural outer peripheral contact portions contain first outer peripheral contact portions and second outer peripheral contact portions,
the first outer peripheral contact portions being of a first terminal pressurization member of the pair of the terminal pressurization members and are disposed at a spacing in a width direction of the crimping portion in the perpendicular cross section,
the first outer peripheral contact portions are disposed so that contacting locations of the outer periphery of the crimping portion and the first outer peripheral contact portions are symmetrical with respect to a reference plane formed by the longitudinal direction and the crimping direction when the pair of the terminal pressurization members is moved in the crimping direction to deform the crimping portion,
the second outer peripheral contact portions being of a second terminal pressurization member of the pair of the terminal pressurization members and are disposed to point-contact the outer periphery of the crimping portion in the perpendicular cross section,
the second outer peripheral contact portions are disposed at a spacing in the width direction of the crimping portion in the perpendicular cross section,
the second outer peripheral contact portions are disposed so that contacting locations of the outer periphery of the crimping portion and the second outer peripheral contact portions are symmetrical with respect to the reference plane when the crimping portion is deformed, and
the second outer peripheral contact portions of the second terminal pressurization member are disposed inward of the first outer peripheral contact portions of the first terminal pressurization member, and
before the deforming the crimping portion by moving the pair of terminal pressurization members, the first outer peripheral contact portions contact corresponding plural points of the upper outer periphery of the crimping portion, and the second outer peripheral contact portions contact corresponding plural points of the lower outer periphery of the crimping portion.

US Pat. No. 10,431,903

ANTENNA SYSTEMS WITH LOW PASSIVE INTERMODULATION (PIM)

1. An antenna comprising:an upper radiating patch element;
a ground plane spaced apart from the upper radiating patch element;
a feed point positioned adjacent the ground plane;
a first feeding element electrically coupling the upper radiating patch element to the feed point;
a second feeding element electrically coupling the upper radiating patch element to the feed point; and
a shorting element electrically coupling the upper radiating patch element to the ground plane;
wherein: the first feeding element includes opposite side edge portions that are tapered, slanted, and/or angled inwardly toward each other along the first feeding element in a direction from the upper radiating patch element towards the ground plane such that a width along the first feeding element decreases in the direction from the upper radiating patch element towards the ground plane; and
the second feeding element includes opposite side edge portions that are tapered, slanted, and/or angled inwardly toward each other along the second feeding element in a direction from the upper radiating patch element towards the ground plane such that a width along the second feeding element decreases in the direction from the upper radiating patch element towards the ground plane; and/or
tabs extend upwardly from the ground plane such that a cable braid is solderable to the tabs without galvanic contact along a bottom of the cable braid to the ground plane.

US Pat. No. 10,431,901

BROADBAND SURFACE SCATTERING ANTENNAS

The Invention Science Fun...

1. An antenna, comprising:a transmission line;
a tightly-coupled or connected array of radiators; and
a respective array of adjustable feed structures joining the transmission line to the radiators;
wherein each of the adjustable feed structures includes:
a feed line having an input port with an evanescent coupling to the transmission line and an output port that is coupled to the respective radiator; and
a variable impedance component connected to the feed line and adjustable to vary the evanescent coupling.

US Pat. No. 10,431,899

DYNAMIC POLARIZATION AND COUPLING CONTROL FROM A STEERABLE, MULTI-LAYERED CYLINDRICALLY FED HOLOGRAPHIC ANTENNA

KYMETA CORPORATION, Redm...

1. An antenna comprising:an antenna feed to input a cylindrical feed wave;
a first layer coupled to the antenna feed and into which the feed wave propagates outwardly and concentrically from the feed;
a second layer coupled to the first layer to cause the feed wave to be reflected at edges of the antenna and propagate inwardly through the second layer from the edges of the antenna;
an array having a plurality of surface scattering metamaterial antenna elements coupled to the second layer; and
a controller configured to apply a control pattern to control the plurality of scattering metamaterial antenna elements to generate a beam, wherein the feed wave interacts with the plurality of surface scattering metamaterial antenna elements of the array to generate the beam, wherein each surface scattering metamaterial antenna element of the plurality of surface scattering metamaterial antenna elements is tuned to provide a desired scattering at a given frequency by using a voltage from the controller to dynamically reconfigure the beam,
wherein the array comprises a plurality of patches, wherein each of the patches is co-located over and separated from a slot in the plurality of slots and forming a patch/slot pair, each patch/slot pair being turned off or on based on application of a voltage to the patch in the pair specified by the control pattern, and
wherein a dielectric layer of liquid crystal is between each slot of the plurality of slots and its associated patch in the plurality of patches.

US Pat. No. 10,431,894

METHODS AND APPARATUS FOR ADJUSTING AN OPERATIONAL CHARACTERISTIC OF AN ANTENNA

1. A device, comprising:an antenna;
at least one physical transmission medium coupled to the antenna;
a processing system including a processor; and
a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising:
receiving, via the at least one physical transmission medium and a receiver, a first electromagnetic wave supplied by the antenna in a first position;
receiving, via the at least one physical transmission medium and the receiver, a second electromagnetic wave supplied by the antenna in a second position, wherein the first electromagnetic wave and the second electromagnetic wave propagate along the at least one physical transmission medium without requiring an electrical return path;
measuring a front-to-back ratio of the antenna according to a first characteristic of the first electromagnetic wave and a second characteristic of the second electromagnetic wave; and
adjusting an operational characteristic of the device to increase the front-to-back ratio.

US Pat. No. 10,431,886

NETWORK MONITORING DEVICE

LITE-ON ELECTRONICS (GUAN...

1. A network monitoring device, comprising:a metal casing having a first outer lateral surface and a second outer lateral surface;
a first antenna disposed on the first outer lateral surface and electrically connected to the metal casing;
a first feeding point disposed on the first antenna;
a second antenna disposed on the second outer lateral surface and electrically connected to the metal casing; and
a second feeding point disposed on the second antenna.

US Pat. No. 10,431,883

ANTENNA SYSTEM FOR DOWNHOLE TOOL

SCHLUMBERGER TECHNOLOGY C...

1. A system for communicating signals, comprising:a plurality of components positioned in a wellbore, at least one of the components being coupled with an antenna for communication of signals along the wellbore, the antenna comprising:
a coil of wire which is wet wound, the wire having a conductive core coated with amorphous polyetheretherketone (PEEK), the wire further having a beginning portion and an ending portion which extend away from the coil for connection with the at least one of the components;
a first protective sleeve placed over the beginning portion of the wire and a second protective sleeve placed over the ending portion of the wire to protect the wire where it extends away from the coil; and
a layer of glass tape wrapped around the coil.

US Pat. No. 10,431,882

ANTENNA MODULE AND CIRCUIT MODULE

MURATA MANUFACTURING CO.,...

1. An antenna module comprising:a dielectric substrate in which an antenna being disposed, the antenna comprising a conductor pattern;
a high-frequency semiconductor device that is mounted on a bottom surface of the dielectric substrate and that supplies a high-frequency signal to the antenna;
a plurality of conductor columns that projects from the bottom surface; and
a dielectric member that is disposed on the bottom surface and in which the conductor columns are embedded such that an end of each of the conductor columns projects out from the dielectric member,
wherein the dielectric member defines a mounting surface that faces a mounting substrate, and
wherein a step is formed in a side surface of a composite structure that includes the dielectric substrate and the dielectric member, said step being formed between an outer periphery of the dielectric substrate and an outer periphery of the dielectric member, and a part of the side surface extending from the mounting surface to the step is more recessed than other part of the side surface that is located above the step.

US Pat. No. 10,431,879

FABRIC ANTENNA

BAE SYSTEMS plc, London ...

1. A fabric antenna for telecommunications, the fabric antenna comprising:a host yarn, which is substantially electrically non-conductive, and
an antenna yarn, which is substantially electrically conductive, the host yarn and antenna yarn being knitted together to form a host fabric formed of host yarn comprising an antenna grid formed of antenna yarn,
wherein the antenna grid comprises a plurality of intersecting antenna tracks formed of antenna yarn, the tracks being separated by regions of the host yarn, the tracks of the antenna grid being electrically coupled together at the regions where the tracks intersect,
wherein the antenna grid comprises a plurality of grid sections,
wherein a first grid section of the plurality of grid sections comprises a first side track, a second side track, a first end track, and a second end track,
wherein the first end track and the second end track separately extend between opposite ends of the first side track and the second side tracks, and
wherein the first side track, the second side track, the first end track, and the second end track form a closed periphery of the first grid section.

US Pat. No. 10,431,877

BASE STATION ANTENNAS HAVING PARASITIC COUPLING UNITS

CommScope Technologies LL...

1. A base station antenna, comprising:a panel that includes a ground plane;
a first linear array that includes a first plurality of radiating elements that extend forwardly from the panel, the first linear array extending along a first axis;
a second linear array that includes a second plurality of radiating elements that extend forwardly from the panel, the second linear array extending along a second axis that is generally parallel to the first axis; and
a parasitic coupling unit between a first radiating element of the first linear array and a first radiating element of the second linear array and between the first axis and the second axis,
wherein the parasitic coupling unit includes a first parasitic coupling structure, the first parasitic coupling structure including a first base that is capacitively coupled to the ground plane and a first wall that extends forwardly from the first base, the first wall including at least one slot,
wherein the ground plane includes a planar portion, the radiating elements extend forwardly from the planar portion of the ground plane, and the first base extends in parallel to the planar portion of the ground plane, and
wherein the first base, the first radiating element of the first linear array and the first radiating element of the second linear array are all on a same side of the ground plane.

US Pat. No. 10,431,864

NON-RECIPROCAL CIRCUIT ELEMENT AND WIRELESS COMMUNICATION DEVICE

NEC CORPORATION, Minato-...

1. A surface mount technology non-reciprocal circuit element comprising:a ferromagnetic material placed above a circuit board; and
a conductor cover composed of a main unit located above the ferromagnetic material and a plurality of connecting members for electrically connecting the main unit with each of a plurality of transmission lines on the circuit board, wherein
the ferromagnetic material and at least one of the connecting members are formed so as to create, in at least one of gaps between the side surface of the ferromagnetic material and each of the plurality of connecting members, a location where a clearance between a side surface of the ferromagnetic material and the connecting member is a first clearance and a location where the clearance is a second clearance different from the first clearance,
each of the plurality of connecting members has a base part extending radially from an outer edge of the main unit on the same plane as the main unit, an end part electrically connected to the transmission line, and an intermediate part opposite to the side surface of the ferromagnetic material and connecting between the base part and the end part,
each of the plurality of connecting members is bent at a boundary between the base part and the intermediate part and at a boundary between the intermediate part and the end part, and
at least one of the plurality of connecting members has two or more bent points in the intermediate part.

US Pat. No. 10,431,858

SYSTEMS, STRUCTURES AND MATERIALS FOR ELECTROCHEMICAL DEVICE THERMAL MANAGEMENT

1. A method for making a casing for the thermal management of an electrochemical cell, the method comprising:combining one or more branching or crosslinking agents and a polyether polyol,
wherein the branching or crosslinking agent changes a length of a chain of the polyether polyol and forms a composite crosslinked polyether polyol phase change material; and
wherein the crosslinked polyether polyol phase change material: comprises crosslinks between two or more polymer side chains, the crosslinks having been formed by a dianhydrides or diisocyanate and polyether polyol in a ratio between approximately 0.5:1 and 1.5:1; and
forming the composite crosslinked polyether polyol phase change material into a casing having an inner surface configured to surround at least apportion of an electrochemical cell,
wherein the crosslinked polyether polyol phase change material has a transition temperature of between 25° C. and 140° C. and a latent heat of greater than 2 Joules per gram.

US Pat. No. 10,431,857

LITHIUM-BASED BATTERY PACK

MILWAUKEE ELECTRIC TOOL C...

1. A battery pack configured to be interfaced with an electrical device, the battery pack comprising:a battery pack housing;
a positive terminal, a negative terminal, and a sense terminal configured to be interfaced with corresponding terminals of the electrical device;
a plurality of battery cells arranged within the housing, each of the plurality of battery cells having a lithium-based chemistry and a respective state of charge, power being transferable between the plurality of battery cells and the electrical device;
means for monitoring the plurality of battery cells;
means for detecting a charge imbalance among the plurality of battery cells based on the respective state of charge of each of the plurality of battery cells; and
a microprocessor programmed to disable the battery pack when the charge imbalance is detected;
wherein the microprocessor is further programmed to identify an imbalanced battery cell having a high state of charge relative to a state of charge of another battery cell of the plurality of battery cells;
wherein the microprocessor is further programmed to initiate a controlled discharging process to discharge the imbalanced battery cell when the charge imbalance is detected.

US Pat. No. 10,431,854

ENHANCED SOLID STATE BATTERY CELL

American Lithium Energy C...

1. A battery cell, comprising:a first electrode;
a second electrode;
a solid state electrolyte layer interposed between the first electrode and the second electrode; and
a resistive layer interposed between the first electrode and the second electrode, the resistive layer providing an electric resistance that limits a rate of internal current flow between the first electrode and the second electrode when an internal short circuit is formed between the first electrode and the second electrode, the internal short circuit being formed when the solid state electrolyte layer is penetrated by metal dendrites formed at the first electrode and/or the second electrode, the resistive layer comprising one or more ionically conductive material to enable a transfer of ions between the first electrode and the second electrode during a charge and/or a discharge of the battery cell, the one or more ionically conductive material including a polymer electrolyte, a polymer gel electrolyte, and/or a solid state electrolyte.

US Pat. No. 10,431,844

METHOD FOR PRODUCING A CATALYTICALLY COATED MEMBRANE AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL STACK HAVING SAME

VOLKSWAGEN AG, Wolfsburg...

1. A method, comprising:producing a catalyst coated membrane that has a membrane material and a catalyst layer of a catalytic material on a flat side of the membrane material including a nonrectangular active area, which is restricted in one direction by two outer sides opposite one another and extending parallel to each other, the producing including:
continuously applying the catalytic material to the flat side of the membrane material in a coating direction, the catalytic material having a constant coating width, the area of the membrane material coated with the catalytic material at least covers the nonrectangular active area of the catalyst coated membrane, the applying including:
coating the membrane material with the catalytic material such that the coating direction has an angle that is not equal to 90° and not equal to 0° with respect to the two outer sides of the nonrectangular active area.

US Pat. No. 10,431,842

AMMONIA-BASED THERMOELECTROCHEMICAL SYSTEMS AND METHODS

The Penn State Research F...

1. An ammonia-based thermoelectrochemical system, comprising:a reactor comprising a first electrode compartment and a second electrode compartment, a separator interposed between the first electrode compartment and the second electrode compartment, the reactor comprising first and second electrodes disposed in the first and second electrode compartments, respectively, both the first and the second electrode comprising at least one metal M selected from copper, silver, cobalt and nickel, the metal M in the first and the second electrode in solid form, wherein the first and second electrode both comprise the same metal M, a conductive conduit for electrons in electrical communication with the first electrode and the second electrode, the first and second electrode compartments containing an electrolyte comprising an aqueous solution of an ammonium salt and a salt of the at least one metal M, wherein the salt of the at least one metal M is a salt of the same metal M present in the first and second electrodes.

US Pat. No. 10,431,841

METHOD FOR MANUFACTURING SOLID OXIDE FUEL CELL

LG CHEM, LTD., Seoul (KR...

1. A method for manufacturing a solid oxide fuel cell comprising:preparing a laminate of the solid oxide fuel cell by laminating a composition layer for preparing an electrolyte, and at least one of a composition layer for preparing a fuel electrode and a composition layer for preparing an air electrode on the composition layer for preparing an electrolyte;
providing the laminate between two porous plates, wherein each porous plate has either an engraved portion or an opening portion;
forming a pattern comprising protrusions and grooves on all the composition layers in the laminate using the porous plates while simultaneously sintering each of the composition layers of the laminate; and
removing the porous plates after forming the pattern,
wherein a shape of the pattern formed in the sintering and the pattern forming between the porous plates is a wave pattern shape on a section in a thickness direction of the laminate.

US Pat. No. 10,431,836

POWER SUPPLY SYSTEM

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

1. A power supply system comprising:a fuel cell and a power storage to supply electric power to a load;
a processor configured to
control the fuel cell and the power storage;
acquire a required system power that is required in the power supply system;
determine a power storage shared power of the power storage such that power efficiency of the power storage shared power supplied from the power storage to the load is equal to or higher than a first value; and
determine a fuel cell shared power of the fuel cell such that the fuel cell shared power supplied from the fuel cell is a difference between the power storage shared power and the required system power
a first voltage converter connected between the fuel cell and the load to transform output voltage of the fuel cell; and
a second voltage converter connected between the power storage and the load to transform output voltage of the power storage,
wherein the processor is configured to
control the first voltage converter such that power generated in the fuel cell matches the fuel cell shared power, and
control the second voltage converter such that power generated in the power storage matches the power storage shared power.

US Pat. No. 10,431,835

FUEL CELL SYSTEM AND START-UP METHOD THEREOF

Toyota Jidosha Kabushiki ...

1. A fuel cell system comprising:a fuel cell that generates electric power through an electrochemical reaction between a fuel gas and an oxidant gas;
a water content acquisition unit configured to acquire a water content in the fuel cell as of a last time the fuel cell system was stopped;
a temperature acquisition unit configured to acquire a temperature inside the fuel cell by detecting a temperature inside the fuel cell at a time of start-up of the fuel cell system;
an estimation unit configured to estimate an amount of ice existing inside the fuel cell based on the acquired water content and temperature;
a notification unit that notifies a user of a time required for the estimated amount of ice to be reduced to a predetermined value or less;
a target output reaching time estimation unit configured to estimate a target output reaching time required for the fuel cell after start-up at a below-freezing temperature to become capable of providing an expected output desired or expected by a user of the fuel cell system or a predetermined output according to the expected output, based on the water content in the fuel cell and the temperature inside the fuel cell at the time of start-up at a below-freezing temperature; and
a target output reaching time notification unit that notifies the user of the time estimated by the target output reaching time estimation unit.

US Pat. No. 10,431,834

FUEL CELL SYSTEM WITH IMPROVED VALVE CONTROL

Toyota Jidosha Kabushiki ...

1. A fuel cell system, comprising:a fuel cell configured to generate electric power using a reactive gas;
a voltage sensor configured to measure a voltage output from the fuel cell;
a compressor configured to compress the reactive gas and feed the compressed reactive gas;
a first flow path connected with the compressor on one end thereof and configured to discharge the reactive gas compressed and fed by the compressor, to the atmosphere;
a second flow path arranged to branch off from the first flow path and to be connected with the fuel cell and configured to feed the reactive gas compressed and fed by the compressor, to the fuel cell;
a flow dividing valve placed at a branch position where the second flow path branches off from the first flow path and configured to include a valve element and to divide a flow of the reactive gas fed from the compressor and regulate a flow amount of the reactive gas toward a first side that is a downstream side of the branch position in the first flow path and a flow amount of the reactive gas toward a second side that is a second flow path side,
wherein the valve element is configured to be movable between a first position that opens the first side and closes the second side and a second position that closes the first side and opens the second side, according to number of steps of a stepping motor that is provided to drive the valve element; and
a controller programmed to control the stepping motor to adjust an opening position of the valve element of the flow dividing valve, based on the voltage measured by the voltage sensor, wherein
when causing the fuel cell not to perform power generation, the controller is programmed to control the stepping motor to places the valve element at the first position, and
when causing the fuel cell to perform power generation, the controller is programmed to control the stepping motor to move the valve element by a total number of steps which is a sum of a first number of steps required for the valve element to actually move from the first position to the second position after separating from a first valve seat at the first position, and a second number of steps that are determined based on a time starting when the controller begins attempting to move the valve element from the first position toward the second position to a time when the voltage measured by the voltage sensor exceeds a predetermined value.

US Pat. No. 10,431,833

COATINGS FOR METAL INTERCONNECTS TO REDUCE SOFC DEGRADATION

BLOOM ENERGY CORPORATION,...

1. A method of coating an interconnect for a solid oxide fuel cell, comprising:providing an interconnect substrate comprising a chromium-iron alloy comprising at least 70 weight percent chromium;
removing a native chromia layer from the interconnect substrate to expose a chromium-iron alloy surface of the interconnect substrate;
providing a mixture of manganese cobalt oxide spinel feedstock powder and strontium-doped lanthanum manganate perovskite feedstock powder into a plasma to coat an air side of the interconnect substrate with a single layer composite coating containing strontium-doped lanthanum manganate and manganese cobalt oxide directly on the exposed chromium-iron alloy surface of the interconnect substrate using a plasma spray process;
placing the coated interconnect substrate into a solid oxide fuel cell stack, such that the single layer composite coating directly contacts a solid oxide fuel cell of the stack and directly contacts the air side of the interconnect substrate, the air side of the interconnect substrate comprising the chromium-iron alloy comprising at least 70 weight percent chromium; and
conditioning the interconnect substrate, having on its air side only the single layer composite coating, in the solid oxide fuel cell stack, to form a manganese-cobalt-chromium intermediate spinel layer between the composite coating and the chromium-iron alloy surface of the air side of the interconnect substrate, the intermediate spinel layer comprising a (Mn, Cr, Co)3O4 spinel phase and the composite coating comprising a strontium-doped lanthanum manganate perovskite phase and a manganese cobalt oxide spinel phase;
wherein:
forming the manganese-cobalt-chromium intermediate spinel layer during the step of conditioning comprises forming the intermediate spinel layer by reacting the single layer composite coating with the chromium-iron alloy surface of the air side of the interconnect substrate at an elevated temperature after the step of placing;
the composite coating comprises distinct regions of the manganese cobalt oxide spinel phase in a matrix comprising the strontium-doped lanthanum manganate perovskite phase;
the manganese cobalt oxide spinel phase regions have plate-like or pancake-like structures;
the plate-like or pancake-like structures comprise crack-healing structures within the composite coating which suppress Cr evaporation through cracks generated in the matrix comprising the strontium-doped lanthanum manganate perovskite phase during operation of the solid oxide fuel cell stack; and
the matrix comprising the strontium-doped lanthanum manganate perovskite phase stabilizes the composite coating in reducing atmospheres such that spallation does not occur during operation of the solid oxide fuel cell stack.

US Pat. No. 10,431,831

CATALYST PARTICLES, CARBON-SUPPORTED CATALYST PARTICLES AND FUEL CELL CATALYSTS, AND METHODS OF MANUFACTURING SUCH CATALYST PARTICLES AND CARBON-SUPPORTED CATALYST PARTICLES

Toyota Jidosha Kabushiki ...

1. A method of manufacturing catalyst particles having an inner particle and a continuous outermost layer that contains platinum and that covers the inner particle, the method comprising:preparing a dispersion of particles composed of a second oxide that is free of oxygen defects;
preparing a dispersion of platinum ions;
mixing together the dispersion of particles composed of the second oxide and the dispersion of platinum ions, and reducing at least surfaces of the particles composed of the second oxide to a first oxide having oxygen defects, and moreover forming on the first oxide the continuous outermost layer containing platinum formed by reduction of the platinum ions; and
heating the mixture after forming the continuous outermost layer on the first oxide, wherein
the dispersion of particles composed of the second oxide is a dispersion of reversed micelles containing particles composed of the second oxide;
the dispersion of platinum ions is a dispersion of reversed micelles containing platinum ions;
a first reducing agent is additionally mixed into mixture of the dispersion of reversed micelles containing particles composed of the second oxide with the dispersion of reversed micelles containing platinum ions;
the mixture is heated after adding an alcohol to the mixture following formation of the continuous outermost layer on the first oxide, and
before the first reducing agent is additionally mixed into mixture of the dispersion of reversed micelles containing particles composed of the second oxide with the dispersion of reversed micelles containing platinum ions, the dispersion of particles composed of the second oxide and the dispersion of platinum ions are mixed.

US Pat. No. 10,431,830

CURRENT COLLECTOR FOR BATTERY AND BATTERY USING SAME

KANEKA CORPORATION, Osak...

1. A current collector for a battery comprising:(1) a layer (1) formed from an electrically conductive material including a first polymer material including (a) polymer compound having an alicyclic structure and first electrically conductive particles,
(a) the polymer compound having the alicyclic structure selected from the group consisting of (i) ring-opened polymers of a norbornene monomer and hydrogenated products thereof, (ii) addition polymers of the norbornene monomer and a vinyl monomer, (iii) monocyclic olefin polymers, (iv) cyclic conjugated diene polymers, (v) vinyl alicyclic hydrocarbon polymers, and (vi) hydrogenated products of (iii) to (v),
(2) a layer (2) which is formed on at least one surface of the layer (1), and which is a metal thin film layer formed by a sputtering method; and
(3) a layer (3) formed from an electrically conductive material including a third polymer material and electrically conductive particles, the third polymer material being at least one compound selected from the group consisting of polyvinyl acetate, polyamide, polyamide imide, polyimide, polycarbonate, polyethylene terephthalate, polybutylene terephthalate, cyclic polyolefin, polyphenylene sulfide, polytetrafluoroethylene, polyether ether ketone, silicone, nylon, vinylon, polyethylene, polypropylene, and polyphenylene ether,
wherein the layer (2) is disposed between the layer (1) and the layer (3) and a thickness of the layer (2) is in a range of 20 nm to 40 nm.

US Pat. No. 10,431,826

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

TOYOTA JIDOSHA KABUSHIKI ...

1. A nonaqueous electrolyte secondary battery comprising:a positive electrode including a positive electrode active material and an inorganic phosphate compound having ion conductivity, the positive electrode having an operation upper limit potential of 4.3 V or more based on metal lithium, the inorganic phosphate compound having a particle shape, a ratio of particles of the inorganic phosphate compound having a particle size of 20 ?m or more is from greater than 0% by volume to 1% by volume when an entirety of the inorganic phosphate compound is set to 100% by volume;
a negative electrode; and
a nonaqueous electrolyte, wherein
a mode diameter of the particles of the inorganic phosphate compound based on the volume is 10 ?m to 15 ?m, and a peak of the particles of the inorganic phosphate compound of the greatest frequency is 6% by volume or more.