US Pat. No. 10,193,640

OFFSET-COMPENSATED LOSS OF SIGNAL DETECTION METHODS AND SYSTEMS

INPHI CORPORATION, Santa...

1. A loss-of-signal detection device comprising:a first terminal configured to receive a first input signal, the first input signal being characterized by a first frequency;
a first hysteresis voltage source configured to apply a first predetermined hysteresis voltage to the first input signal to provide a first adjusted signal;
a bias voltage source being configured to provide a bias voltage;
a first transistor comprising a first gate and a first source, the first adjusted signal being coupled to the first gate;
a second transistor comprising a second gate, a second source, and a first drain, the second gate being coupled to the bias voltage, the second source being coupled to the first source; and
an output module comprising a switch network and a latch, the switch network being configured to generate an intermediate signal using a strength indicator signal received from the first drain of the second transistor and an offset associated at least with the first transistor, the latch being configured to generate a loss-of-signal indicator based on the intermediate signal at a second frequency, the second frequency being lower than the first frequency;
wherein the switch network operates in a first phase and a second phase, the switching network being configured to determine a common offset voltage during the first phase, the switching network being configure to generate the intermediate signal during the second phase, the intermediate signal is based on a difference between the strength indicator signal and the common offset voltage.

US Pat. No. 10,193,639

OVER THE AIR MEASUREMENT MODULE

1. An over the air measurement module, comprising:an antenna, adapted to receive a first measuring signal from a device under test or adapted to transmit a second measuring signal to the device under test,
a mixer, directly connected to said antenna, adapted to reduce or increase a frequency of the received first measuring signal, resulting in a frequency reduced or increased first measuring signal, or adapted to increase or reduce a frequency of a frequency reduced or increased second measuring signal, resulting in the second measuring signal, and
a first connector, connected to said mixer, adapted to input a local oscillator signal into the mixer for frequency conversion,
wherein at least 50% of the surfaces of the over the air measurement module facing the main radiation direction of the antenna are angled away from a normal of the main radiation direction of the antenna by at least 30°,
wherein the antenna is a planar antenna, and
wherein a main radiation direction of the antenna is in the plane of the planar antenna.

US Pat. No. 10,193,634

OPTICAL DRIVER CIRCUITS

Hewlett Packard Enterpris...

18. An optical driver circuit, comprising:a level controller to pre-emphasize rising and falling edges of a modulation signal output to an optical transmitter;
an equalization controller to remove the pre-emphasis from the modulation signal output using an inverted delayed modulation signal;
an edge rate controller to control a rise and fall time of the modulation signal output;
wherein the level controller, the equalization controller, and the edge rate controller each include a plurality of negative-AND (NAND) gate p-channel metal-oxide-semiconductor field-effect transistor (PMOS) circuits and a plurality of negative-OR (NOR) gate n-channel metal-oxide-semiconductor field-effect transistor (NMOS) circuits; and
a pre-driver circuit to:
generate a main modulation signal and an inverted main modulation signal;
provide the main modulation signal as input to the plurality of NAND gate PMOS circuits and the plurality of NOR gate NMOS circuits included in the edge rate controller; and
provide the inverted main modulation signal as input to the plurality of NAND gate PMOS circuits and the plurality of NOR gate NMOS circuits included in the level controller.

US Pat. No. 10,193,632

OPTICAL DEVICES INCLUDING A HIGH CONTRAST GRATING LENS

Hewlett Packard Enterpris...

6. An optical communication device, comprising:a transparent substrate;
a vertical-cavity surface emitting laser VCSEL integrated at a first side of the transparent substrate to emit a modulated laser light into the transparent substrate, the laser light being modulated for transmitting information;
an optical waveguide to implement optical communications to a remote device via transmission of the modulated laser light; and
a HCG lens integrated at a second side of the transparent substrate to:
receive the modulated laser light from the transparent substrate, and
transmit and refract the modulated laser light into an optical input of the optical waveguide;
wherein the HCG lens includes a HCG layer and a separation layer interposed between the HCG layer and the substrate to enhance resonant optical effects that the HCG layer causes on the laser light impinging thereon.

US Pat. No. 10,193,630

STATION-SIDE DEVICE AND OPTICAL TRANSMISSION SYSTEM

NIPPON TELEGRAPH AND TELE...

1. A station-side device used in an optical transmission system that includes N (N is an integer of not less than 2) optical splitters and the station-side device that is configured to perform transfer processing of frames between a plurality of subscriber-side devices connected to the station-side device via the optical splitters and a host device, comprising:N optical transceivers connected to the optical splitters in a one-to-one correspondence and configured to perform opto-electric conversion of upstream frames from the subscriber-side devices connected to the corresponding optical splitters to the host device and perform electro-optic conversion of downstream frames from the host device to the subscriber-side devices;
a PON control circuit configured to exchange the upstream frames and the downstream frames with the host device and time-divisionally allocate a communication band for upstream frame transmission to the subscriber-side devices such that the upstream frames are transmitted from the respective subscriber-side devices at different times;
a selection and distribution circuit configured to select the optical transceivers corresponding to the upstream frame that time-divisionally arrives such that the upstream frames opto-electrically converted by the optical transceivers are transferred to the PON control circuit, and distribute the downstream frames from the PON control circuit to the optical transceivers; and
a power supply control circuit configured to stop power supply to at least one of the optical transceivers that are not used to transfer the frame of the optical transceivers and the selection and distribution circuit which is not used to transfer the frames,
wherein the power supply control circuit includes N first power switches provided in correspondence with the respective optical transceivers and configured to control power supply to the optical transceivers based on operation statuses of the optical transceivers, and N second power switches provided in correspondence with the respective optical transceivers and configured to control power supply to circuit portions corresponding to the optical transceivers in the selection and distribution circuit based on the operation statuses of the optical transceivers and/or upstream band allocation statuses representing arrival time periods of the upstream frames that arrive time-divisionally.

US Pat. No. 10,193,629

OPTICAL-SIGNAL PROCESSING APPARATUS, OPTICAL TRANSMISSION METHOD, RECEIVER, AND OPTICAL NETWORK SYSTEM

FUJITSU LIMITED, Kawasak...

1. An optical network system comprising:a nonlinear optical medium through which a first optical carrier having a first wavelength and a second optical carrier having a second wavelength propagate in opposite directions, the nonlinear optical medium configured to connect a first terminal and a second terminal and the first optical carrier propagating from the first terminal to the second terminal and the second optical carrier propagating from the second terminal to the first terminal;
the first terminal including:
an optical modulator which generates a modulated light based on a combined signal generated by combining a baseband signal with an RF (radio frequency) signal, multiplexes the modulated light on the first optical carrier and transmits the modulated light to the second terminal via the nonlinear optical medium, the RF signal being generated by modulating a carrier signal with an information;
the second terminal splits the modulated light from the first optical carrier and receives the RF signal or the baseband signal, multiplexes modulated data signals on the second optical carrier and transmits the modulated data signals to the first terminal via the nonlinear optical medium,
wherein the first terminal splits the modulated data signals from the second optical carrier and receives the modulated data signals.

US Pat. No. 10,193,628

OPTICAL COMMUNICATION SYSTEMS

CALIFORNIA INSTITUTE OF T...

1. A receiver, comprising:a first photodiode connected to a non-inverting output;
a second photodiode connected to an inverter, wherein the inverter is connected to a non-inverting output;
a bias input resistively coupled to the photodiodes;
an over-biasing input capacitively coupled to the photodiodes;
an output connected to the non-inverting output and the inverting output; wherein:
the output sums a first signal at the non-inverting output with a second signal at the inverting output when:
the first photodiode outputs the first signal to the non-inverting output in response to a first electromagnetic signal received on the first photodiode, an over-biasing voltage applied to the overbiasing input, and a bias voltage applied to the bias input; and
the inverter outputs the second signal to the inverting output, the second signal formed by inverting the photodiode signal received from the second photodiode in response to a second electromagnetic signal received on the second photodiode, the over-biasing voltage applied to the over biasing input and the bias voltage applied to the bias input; and
in an event of an error condition comprising simultaneous detection of the first electromagnetic signal at the first photodiode and the second electromagnetic signal at the second photodiode while the bias voltage and the overbias voltage are applied, the first signal at least partially cancels the second signal.

US Pat. No. 10,193,627

DETECTION OF VISIBLE LIGHT COMMUNICATION SOURCES OVER A HIGH DYNAMIC RANGE

FORD GLOBAL TECHNOLOGIES,...

1. A visible light communication (VLC) method, comprising:capturing frames of a scene with a camera;
assembling an enhanced dynamic range image sequence from the frames;
detecting at least one VLC source in the enhanced sequence occupying a respective subwindow;
optimizing an exposure at the subwindow according to a brightness of the respective VLC source;
capturing a plurality of subwindow images using the optimized exposure; and
decoding VLC data visible in the subwindow images.

US Pat. No. 10,193,625

MODULATION SYSTEM AND MODULATION METHOD

PANASONIC INTELLECTUAL PR...

1. A system comprising:a first modulator configured to (i) generate a control signal, (ii) modulate a first voltage value of the first modulator to be more than or equal to a predetermined value or less than to the predetermined value according to the control signal, to control luminance of a first light source, and (iii) output the control signal; and
a second modulator configured to (i) acquire the control signal output from the first modulator and (ii) modulate a second voltage value of the second modulator to be more than or equal to the predetermined value or less than the predetermined value according to the control signal, to control luminance of a second light source, and (iii) output the control signal to the first modulator,
wherein the first modulator (i) generates, as a light information signal, the control signal for transmitting a visible light signal by change in luminance of the first light source, and (ii) acquires the light information signal being the control signal output from the second modulator.

US Pat. No. 10,193,624

VISIBLE LIGHT COMMUNICATION DEVICE, METHOD AND SYSTEM

INDUSTRIAL TECHNOLOGY RES...

1. A visible light communication (VLC) device for performing VLC by a visible light source, the VLC device comprising:a processing circuit; and
a current driving circuit, coupled to the processing circuit and the visible light source, wherein the current driving circuit being controlled by the processing circuit to drive the visible light source,
wherein
in searching a central frequency of the visible light source, the processing circuit is configured to:
send a plurality of central frequency training packets to the current driving circuit, the central frequency training packets including a plurality of candidate central frequencies; and
based on a first decoding result on the central frequency training packets, select one among the candidate central frequencies to set as the central frequency of the visible light source; and
in searching a bandwidth of the visible light source, the processing circuit is configured to:
send a plurality of bandwidth training packets to the current driving circuit, the bandwidth training packets including the central frequency of the visible light source and a plurality of candidate bandwidth; and
based on a second decoding result on the bandwidth training packets, select one among the candidate bandwidth to set as the bandwidth of the visible light source.

US Pat. No. 10,193,622

ARTIFICIAL LIGHT SOURCE BASED MESSAGING PLATFORM

COOPER TECHNOLOGIES COMPA...

1. A non-transitory computer-readable medium comprising a plurality of instructions, which, when executed by a processor, cause the processor to perform operations comprising:detecting, using a light sensor coupled to the processor, a modulated light from an artificial light source in an area,
wherein the modulated light is representative of data associated with the artificial light source, and
wherein the artificial light source is associated with a first group of artificial light sources in the area, each artificial light source of the first group of artificial light sources being associated with each other;
decoding the modulated light to retrieve the data associated with the artificial light source; and
visually presenting, via a display coupled to the processor, a first visual identifier overlaid over the first group of artificial light sources in the area and a second visual identifier overlaid over a second group of artificial light sources in the area to visually distinguish the first group of artificial light sources from the second group of artificial light sources in the area.

US Pat. No. 10,193,621

LOCATION MEASUREMENT APPARATUS, LIGHT MODULATION CONVERTER, AND LIGHT VARIATION LOCATION MEASUREMENT METHOD

FUJITSU LIMITED, Kawasak...

1. A location-measurement apparatus that is disposed on one terminal of an optical transmission line, the location-measurement apparatus comprising:a light source that causes continuous oscillation light to enter one terminal of the optical transmission line, the continuous oscillation light being to propagate a light variation of a first physical amount generated on the optical transmission line to another terminal of the optical transmission line;
a photodetector that detects, on the one terminal of the optical transmission line, light turned back from a light modulation converter provided on the another terminal of the optical transmission line, wherein the light modulation converter obtains the turned-back light by converting the light variation of the first physical amount into a light variation of a second physical amount; and
a processor that calculates a light-variation location generated on the optical transmission line by comparing time variations in the light variation of the first physical amount and the light variation of the second physical amount in the light detected by the photodetector.

US Pat. No. 10,193,620

NONLINEAR SPATIALLY RESOLVED INTERFEROMETER FOR CHARACTERIZING OPTICAL PROPERTIES OF DEPLOYED TELECOMMUNICATION CABLES

Ciena Corporation, Hanov...

1. A method for measuring physical properties of optical signals as a function of wavelength and as a function of location in an optical link, the method comprising:generating a first modulated optical carrier at a first wavelength, the first modulated optical carrier carrying pump pulses;
generating a second modulated optical carrier at a second wavelength that differs from the first wavelength, the second modulated optical carrier carrying pilot pulses and carrying probe pulses;
transmitting the first modulated optical carrier and the second modulated optical carrier on an optical fiber over the optical link, the optical link comprising multiple spans connected by one or more optical amplifiers, such that a probe pulse of the probe pulses is spatially overlapped in the optical fiber with a pump pulse of the pump pulses within at least one interaction region in the optical link;
performing a measurement on the probe pulse beyond an end of the optical fiber to measure optical properties of the probe pulse relative to a coherent reference, wherein the coherent reference includes a component of at least one of the pilot pulses, the component being coherent to the probe pulse; and
calculating physical properties of the pump pulse from the measurement on the probe pulse,
wherein the pilot pulses are arranged to be not spatially overlapped in the optical fiber with any of the pump pulses, or the pilot pulses are arranged so that any interaction between the pilot pulses and any of the pump pulses introduces a negligible error or a deterministic-yet-correctable error in measurement of the optical properties.

US Pat. No. 10,193,619

MODE DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK

9. A method of compensating for crosstalk in a mode division multiplexing passive optical network, the method comprising:inputting a plurality of downlink reference signals to a multiplexer, each of the plurality of downlink reference signals being in a different one of a plurality of modes;transmitting the plurality of downlink reference signals as a mode multiplexed signal along an optical fibre;receiving the mode multiplexed signal at a demultiplexer;
outputting a plurality of received downlink reference signals from the demultiplexer, each of the received plurality of downlink reference signals being in a different one of a plurality of modes;
coupling the received plurality of downlink reference signals into an uplink reference signal,
transmitting the uplink reference signal in a quasi-single mode transmission along the optical fibre,
adapting a plurality of optical signals input to the multiplexer based on the uplink reference signal to pre-compensate for crosstalk.

US Pat. No. 10,193,618

LOOPBACK TESTING IN FREQUENCY DIVISION DUPLEX SYSTEMS

Telefonaktiebolaget LM Er...

6. A communication device for loopback testing, the communication device being operable in a communication system, and comprising a transmitter and a receiver and being configured to apply frequency division duplex (FDD) for communication, the communication device being further configured to:degrade a linearity of the transmitter as compared to the linearity of the transmitter during normal operation by inducing one or more amplifiers of the transmitter to operate in a more non-linear region of their transfer function;
transmit at least one test signal in a transmit frequency band, such that at least one signal is created in a receive frequency band, wherein the at least one created signal is a distortion product of the at least one test signal; and
receive a response to the at least one created signal in the receive frequency band for performing loopback testing irrespective of a requirement for one or more additional switching circuitry to bypass transmit or receive filters.

US Pat. No. 10,193,617

RELAY METHOD, RELAY SYSTEM, RECORDING MEDIUM, AND METHOD

FUJITSU LIMITED, Kawasak...

1. A relay method executed by a plurality of relay apparatuses included in a ring network that establishes a plurality of virtual area networks (VLANs), the relay method comprising:when a communication failure of a path among a plurality of paths of the ring network is detected, transmitting a control frame for acquiring, from each of the plurality of relay apparatuses, one or more VLANs and one or more priority levels corresponding to the one or more VLANs;
switching each of one or more paths which is different from the failed path and related to a VLAN of the failed path, to an alternate path, based on the acquired one or more VLANs, the acquired one or more priority levels, and a location at which the communication failure is occurred;
when another route among the one or more paths exists in the alternate path, determining whether to switch the another route based on the acquired one or more priority levels;
switching or maintaining the another route based a result of the determining; and
switching the failed path to the alternate path.

US Pat. No. 10,193,615

APPARATUS AND METHOD FOR COMMUNICATIONS MANAGEMENT

BAE Systems Plc, London ...

1. Apparatus for management of communications resources of a moving platform comprising an on-board communications system configured to effect wireless data communication between said moving platform and another node, said communications resources comprising a plurality of wireless communications links and a plurality of antennas associated therewith, the apparatus comprising an antenna analysis and selection module residing with said communications system and configured to:receive, during a mission from one or more systems/subsystems and/or functions of said moving platform, attribute data representative of said emissions control criteria, said attribute data comprising (i) location data representative of a specified emissions control region, and (ii) position and/or attitude and/or velocity data representative of an adversary node defining an emissions control region;
determine, using said attribute data and based on said emissions control criteria, suitability of one or more on-board antennas and/or portions of aperture antenna for supporting said communications requirement;
for each of a plurality of antennas/portions of aperture antenna determined to be suitable for supporting said communications requirement based on said emissions control criteria, determine a quality metric, said quality metric being indicative of a respective performance criterion; and
select one or more of said suitable antennas/portion of aperture antenna having a highest performance criterion, for facilitating said communications requirement.

US Pat. No. 10,193,613

PING PONG BEAMFORMING

Intel IP Corporation, Sa...

1. One or more non-transitory, computer-readable media having one or more instructions, the one or more instructions comprising instructions that, when executed, cause a first device to:perform a ping-pong beamforming process, wherein the instructions that, when executed, cause the first device to perform the ping-pong beamforming process comprise instructions that, when executed, cause the first device to:
send a first training signal using a first weight vector to a second device;
receive, from the second device, a second training signal sent using a second weight vector;
estimate, based on the second training signal, an indexed signal, wherein an estimate of the indexed signal comprises a product of the second weight vector and a channel;
determine a third weight vector based on a complex conjugate of the estimate of the indexed signal; andnormalize the third weight vector; andperform a first iteration of the ping-pong beamforming process using a transmission protocol to exchange one or more messages with the second device, the transmission protocol comprising a plurality of time slots, and an individual time slot selected from the plurality of time slots dedicated to one transmission direction and comprising a training period followed by a data period, wherein the first iteration of the ping-pong beamforming process comprises the send, the receive, the estimate, the determine, and the normalize.

US Pat. No. 10,193,612

TIME-BASED RADIO BEAMFORMING WAVEFORM TRANSMISSION

The United States of Amer...

1. A method performed, at least in part, by a multiple input-multiple output beamforming system, the method comprising:transmitting, by way of a first transmitter that is part of a plurality of transmitters, a first radio beamforming waveform at a first time;
selecting a second time;
transmitting, by way of a second transmitter that is part of the plurality of transmitters, a second radio beamforming waveform at the second time after transmission of the first radio beamforming waveform at the first time such that the second radio beamforming waveform does not interfere with the first radio beamforming waveform;
receiving a response to the first radio beamforming waveform; and
receiving a response to the second radio beamforming waveform,
where the selection of the second time is made so that a start of the transmission of the second radio beamforming waveform occurs after completion of the transmission of the first radio beamforming waveform and
where the selection of the second time is made so that a start of the transmission of the second radio beamforming waveform occurs after completion of the reception of the response to the first radio beamforming waveform.

US Pat. No. 10,193,610

ENHANCING MU-MIMO TO GROUP CLIENTS ACROSS MULTIPLE BSSIDS FOR A PHYSICAL RADIO

Hewlett Packard Enterpris...

1. A method comprising:determining, by a network device, a first plurality of client devices associated with an access point (AP) corresponding to a first basic service set (BSS) that uniquely identifies a first wireless local area network (WLAN), wherein traffic flows between each of the first plurality of client devices and the AP comprise similar frame sizes and similar inter-arrival times;
transmitting, by the network device, sounding frames to the first plurality of client devices associated with the AP;
receiving, by the network device, a plurality of feedback frames, each feedback frame indicating how the sounding frames were received by each of the first plurality of client devices;
grouping, by the network device, the first plurality of client devices into a single multi-user multiple input multiple output (MU-MIMO) group for beamforming based on the received plurality of feedback frames;
simultaneously transmitting, by the network device, the traffic flows to the first plurality of client devices in the MU-MIMO group.

US Pat. No. 10,193,609

METHOD FOR FEEDING BACK CHANNEL STATE INFORMATION, BASE STATION AND USER EQUIPMENT

China Academy of Telecomm...

1. A method for feeding back Channel State Information (CSI), comprising steps of:dividing a plurality of antenna ports into a plurality of groups of antenna ports;
configuring for each group of antenna ports a same intra-group codebook set consisting of a plurality of intra-group precoding matrices, allocating for each group of antenna ports a plurality of different reference signals corresponding to a same reference resource, and configuring for each antenna port in each group of antenna ports a precoded reference signal acquired after a precoding operation using the intra-group precoding matrices, a number of the reference resources corresponding to a number of the intra-group precoding matrices in the intra-group codebook set, and a number of the reference signals corresponding to each reference resource corresponding to a number of groups of inter-group antenna ports;
transmitting the precoded reference signal to a User Equipment (UE) via each antenna port; and
receiving the CSI fed back by the UE based on measurement on the reference signal.

US Pat. No. 10,193,605

BEAMFORMING CODEWORD EXCHANGE BETWEEN BASE STATIONS

Comcast Cable Communicati...

1. A first base station configured to communicate with a wireless device, the first base station comprising:one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the first base station to:
receive, from a second base station, at least one message comprising a plurality of downlink beamforming information elements for a downlink cell, wherein each downlink beamforming information element of the plurality of downlink beamforming information elements is associated with a respective resource block of a plurality of resource blocks in the downlink cell and indicates a parameter for beamforming for the respective resource block;
select, for at least one resource block of the plurality of resource blocks, a first beamforming codeword based at least in part on at least one first downlink beamforming information element of the plurality of downlink beamforming information elements, wherein the at least one first downlink beamforming information element is associated with the at least one resource block; and
transmit, to the wireless device, signals on the at least one resource block employing the first beamforming codeword.

US Pat. No. 10,193,603

COMMUNICATION UNIT, INTEGRATED CIRCUIT AND METHOD FOR GENERATING A PLURALITY OF SECTORED BEAMS

Analog Devices Global, H...

1. A communication unit for generating a plurality of sectored beams, the communication unit comprising:a plurality of antenna element feeds arranged to couple to a plurality of antenna elements of an antenna array, wherein an individual antenna element feed of the plurality of antenna element feeds is configured to provide a transmit signal associated with two sectors;
a plurality of transmitters operably coupled to the plurality of antenna element feeds; wherein a transmitter of the plurality of transmitters is configured to receive a first signal associated with a first sector and a second signal associated with a second sector, the two sectors comprising the first sector and the second sector, and the transmitter comprises:
beamformer logic arranged to apply independent beamform weights on the first signal and the second signal of the transmitter to generate a weighted first signal and a weighted second signal, respectively, wherein each of the independent beamform weights is allocated on a per sector basis; and
a signal combiner arranged to combine the weighted first signal and the weighted second signal to produce a combined signal such that the combined signal supports sectored beams for the two sectors, wherein an output of the signal combiner is operably coupled to the individual antenna element feed, and
wherein the beamformer logic is configured to apply a calibration correction coefficient so as to calibrate an amplitude and a phase of the combined signal.

US Pat. No. 10,193,601

PRECODING CODEBOOK BITMAPS IN TELECOMMUNICATIONS

TELEFONAKTIEBOLAGET LM ER...

1. A method of operation at a Base Station (BS), the method comprising:receiving channel state information (CSI) feedback from a wireless terminal served by the BS, the wireless terminal configured with a codebook subset restriction that restricts which precoders in a precoding codebook the wireless terminal can select for indication to the BS as a preferred precoder for precoding High Speed Downlink Packet Access (HSDPA) transmissions from the BS for the wireless terminal;
determining from the CSI feedback that the configured codebook subset restriction should be changed;
generating a bitmap decision signal indicating a precoding codebook bitmap defining a changed codebook subset restriction; and
sending the bitmap decision signal to a Serving Radio Network Controller (SRNC) via an interface coupling the BS and the RNC, to trigger the SRNC to send reconfiguration signaling to the wireless terminal via the BS, to reconfigure the wireless terminal to use the changed codebook subset restriction.

US Pat. No. 10,193,600

CODEBOOK SUBSET RESTRICTION SIGNALING

Telefonaktiebolaget LM Er...

1. A method implemented by a network node for signaling to a wireless communication device which precoders in a codebook are restricted from being used, the method characterized by:generating codebook subset restriction signaling that, for each of one or more groups of precoders, jointly restricts the precoders in the group by restricting a certain component that the precoders in the group have in common, wherein the codebook subset restriction signaling is rank-agnostic signaling that jointly restricts the precoders in a group without regard to the precoders' transmission rank; and
sending the generated signaling from the network node to the wireless communication device.

US Pat. No. 10,193,598

COMMUNICATION APPARATUS, POWER RECEIVING APPARATUS, AND ANTENNA SWITCHING METHOD

Sony Corporation, Tokyo ...

1. A communication apparatus comprising:one or a plurality of sensors;
a communicator that performs proximity wireless communication; and
a connection section that couples one of a plurality of antennae to the communicator, on a basis of a detection result of the one or the plurality of sensors, wherein
the plurality of antennae includes a first antenna,
the one or the plurality of sensors includes a first sensor that is disposed nearer to the first antenna than to one of the plurality of antennae other than the first antenna, and detects contact or proximity of a user, and
the connection section couples the one of the plurality of antennae other than the first antenna to the communicator in a case where the first sensor detects the contact or the proximity of the user.

US Pat. No. 10,193,596

MAGNETIC COUPLING DEVICE WITH REFLECTIVE PLATE AND METHODS FOR USE THEREWITH

1. A coupling device comprising:a receiving portion, that receives, from a transmitting device, a radio frequency signal conveying data;
an electromagnetic coupler, that electromagnetically couples the radio frequency signal to a transmission medium as a guided electromagnetic wave that is guided by a surface of the transmission medium; and
a dielectric portion that secures the transmission medium adjacent to the electromagnetic coupler and provides a spacing between the electromagnetic coupler and a reflective plate that reduces electromagnetic emissions from the electromagnetic coupler, wherein the spacing corresponds to substantially one-half of a wavelength of the radio frequency signal.

US Pat. No. 10,193,593

SIGNAL PROCESSING DEVICE, COMMUNICATION SYSTEM, AND SIGNAL PROCESSING METHOD

NEC CORPORATION, Minato-...

1. A signal processing device comprising:an electrical signal generation unit generating an electrical signal on the basis of an optical signal which is polarization-multiplexed and multi-value-modulated and which is transmitted through an optical transmission path; and
a compensation unit performing a compensation process on the electrical signal,
wherein the compensation unit includes:
a Fourier transform unit performing Fourier transform on the electrical signal;
an equalization processing unit performing an equalization process on the electrical signal having undergone the Fourier transform in a frequency domain;
an inverse Fourier transform unit performing inverse Fourier transform on the electrical signal having undergone the equalization process; and
an equalization coefficient setting unit setting an equalization coefficient matrix W(f) used for the equalization process, and
wherein the equalization coefficient setting unit sets the equalization coefficient matrix W(f) on the basis of the following equation:
W(f)=H(f)H(f)(H(f)HH(f)+(1/Es)×???1
such that H(f)=G(f)×C(f), HH is a Hermitian transposed matrix of a matrix H, Es is power of the optical signal, and ? is a diagonal matrix with N rows and N columns defined on the basis of colored noise, and
G(f) is a diagonal matrix set on the basis of a band limit condition during generation of the optical signal, and C(f) is a diagonal matrix set on the basis of wavelength dispersion incurred in the optical transmission path.

US Pat. No. 10,193,591

METHODS AND DEVICES FOR CONTROLLING RECEIVE CONFIGURATIONS IN WIRELESS COMMUNICATIONS

Intel Deutschland GmbH, ...

1. A circuit, comprising:a first receiver configured to demodulate a first down-converted signal, which is generated by a first radio frequency (RF) stage;
a second receiver configured to demodulate a second down-converted signal, which is generated by a second radio frequency (RF) stage; and
a controller configured to control the first RF stage and the second RF stage and the first receiver and the second receiver to alternate between a first receive configuration, in which the first down-converted signal and the second down-converted signal are both received from a first radio network, and a second receive configuration, in which the first down-converted signal is received from the first radio network and the second down-converted signal is received from a second radio network.

US Pat. No. 10,193,588

HEAD PROTECTION DEVICE, COMMUNICATION UNIT, CONNECTION UNIT AND SYSTEM COMPRISING HEAD PROTECTION DEVICE, COMMUNICATION UNIT AND CONNECTION UNIT

1. A head protection device comprising a communication unit, wherein the communication unit comprises:a communication interface configured to transmit a first communication signal and to receive a second communication signal, the communication signals being digital electrical signals; and
a signal processor with an interface configured to send the first communication signal, an interface configured to detect a microphone signal, an interface configured to detect a second communication signal and an interface configured to send an ear speaker signal and the signal processor is configured such that the first communication signal is sent as a function of the microphone signal, and that the ear speaker signal is sent as a function of the second communication signal, wherein:
the signal processor further comprises a data interface incorporated into the communication interface;
the signal processor is configured to receive parameter data via the data interface;
the signal processor is configured to adapt a digital signal processing of the microphone signal for sending the first communication signal as a function of the parameter data, the signal processor adapts the digital signal processing of the microphone signal to the sending of the first communication signal such that an adaptation of the frequency response of the first communication signal is made;
the communication interface is located in an external area of the communication unit; and
the communication interface is an electrical contact unit configured to mechanically and electrically connect to a connection unit.

US Pat. No. 10,193,587

MOBILE PHONE AND COMMUNICATION METHOD THEREOF

ZTE CORPORATION, Shenzhe...

1. A mobile phone, comprising a mobile phone body and a mobile phone accessory, wherein the mobile phone accessory comprises a mobile phone card configured to communicate with an external communication device, a storage module configured to store user data and a second communication module configured to establish wireless communication with the mobile phone body; and the mobile phone body comprises:a first communication module configured to perform data interaction with the second communication module and establish wireless communication between the mobile phone body and the mobile phone accessory;
a mobile phone card information reading module configured to read information of the mobile phone card in the mobile phone accessory;
a basic communication module configured to communicate with an external communication device according to the information of the mobile phone card; and
a data transmission control module configured to send an operation instruction to the storage module, to store the user data stored in the storage module to a local memory or update user data in the local memory to the storage module.

US Pat. No. 10,193,586

DIRECT CONVERSION RECEIVER WITH CORRECTION FOR SECOND ORDER DISTORTION IN RF MIXER

TEXAS INSTRUMENTS INCORPO...

1. A receiver comprising:a clock generator to provide a first clock signal and a second clock signal;
a first node;
a second node;
a zero-intermediate frequency (zero-IF) mixer coupled to the first and second nodes, clocked by the first and second clock signals, and comprising a first transimpedance amplifier and a second transimpedance amplifier to provide a direct-conversion voltage;
a current injector, coupled to the first and second nodes, configurable to inject into the first and second nodes a common mode current or a differential mode current; and
a controller, coupled to the zero-IF mixer and the current injector, to adjust at least one of the first and second transimpedance amplifiers based on the direct-conversion voltage when the current injector is to inject the common mode current.

US Pat. No. 10,193,584

ADJUSTING AN ANTENNA CONFIGURATION OF A TERMINAL DEVICE IN A CELLULAR COMMUNICATION SYSTEM

Sony Mobile Communication...

1. A method for adjusting an antenna configuration of a terminal device in a cellular communication system, the cellular communication system comprising a base station and the terminal device. the terminal device being a portable user equipment and comprising a plurality of antenna elements, the method comprising:providing, in the terminal device, a plurality of preset antenna configurations, each antenna configuration of the plurality of preset antenna configurations defining phase information and amplitude information for each of the plurality of antenna elements, the phase information and the amplitude information used in combining signals respectively received by the antenna elements,
determining a reception characteristic of a signal transmission sent from the base station and received at the plurality of antenna elements,
comparing the determined reception characteristic with a threshold value,
in response to the determined reception characteristic is greater than the threshold value, adjusting the antenna configuration according to a channel sounding procedure, and
in response to the determined reception characteristic is less than the threshold value, adjusting the antenna configuration by:
performing consecutively for each preset antenna configuration of the plurality of preset antenna configurations:
applying the antenna configuration to the plurality of antenna elements, and
determining a reception characteristic of a signal transmission sent from the base station and received at the plurality of antenna elements with the applied antenna configuration,
selecting one antenna configuration of the plurality of preset antenna configurations based on the plurality of reception characteristics determined for the plurality of preset antenna configurations, and
applying the selected antenna configuration to the plurality of antenna elements for further signal transmissions.

US Pat. No. 10,193,579

STORAGE CONTROL DEVICE, STORAGE SYSTEM, AND STORAGE CONTROL METHOD

Toshiba Memory Corporatio...

1. A storage control device comprising:a controller that receives a request to write a data item and determines whether or not a wear degree of a target region in a storage device is less than a threshold value, the target region being a region to which the data item is written;
a compression condition determiner that determines, based on the wear degree, a compression condition out of a plurality of compression conditions including lossy compression, the compression conditions indicating how to compress the data item;
a first error correction encoder that adds an error correction code to the data item when the wear degree is less than the threshold value to generate a first encoded data item; and
a compressor that generates a compressed data item of the first encoded data item based on the compression condition,
wherein the compression condition determiner determines the compression condition that performs lossy compression capable of correcting the error and has a shortest code length of the compressed data item.

US Pat. No. 10,193,577

STOPPING CRITERIA FOR LAYERED ITERATIVE ERROR CORRECTION

Micron Technology, Inc., ...

1. A method, comprising:receiving a codeword with an error correction circuit;
iteratively error correcting the codeword with the error correction circuit including:
parity checking the codeword on a layer-by-layer basis; and
updating the codeword after each layer;
stopping the iterative error correction in response to a parity check being correct for a particular layer of a particular iteration within a threshold number of units of data without error correcting a next layer of the particular iteration, wherein the threshold number of units of data is at least one; and
selecting the threshold number based on a characteristic of an apparatus, the apparatus including the error correction circuit, selected from the group of characteristics including: a temporal age of the apparatus, a number of program/erase cycles of the apparatus, a storage density of the apparatus, a retention rate of the apparatus, and a physical location within the apparatus where the codeword is stored.

US Pat. No. 10,193,576

MEMORY SYSTEM AND MEMORY DEVICE

TOSHIBA MEMORY CORPORATIO...

1. A memory system comprising:a memory cell array configured to store data, a first parity generated in association with the data based on a first error correction code (ECC) scheme, and a second parity generated in association with the data and the first parity based on a second error correction code (ECC) scheme;
a first ECC control circuit configured to execute a first error correction using the first ECC scheme and the first parity during a read operation on the memory cell array;
a second ECC control circuit configured to execute a second error correction using the second ECC scheme and the second parity during a scrub operation on the memory cell array; and
a register in which a range of addresses is registered within which an error uncorrectable by the first error correction with the first ECC control circuit has occurred,
wherein the first ECC scheme and the second ECC scheme have error correction capabilities of different levels, and
wherein the second ECC control circuit executes the second error correction so as to give priority to the range indicated by the registered addresses.

US Pat. No. 10,193,573

METHOD AND DATA PROCESSING DEVICE FOR DETERMINING AN ERROR VECTOR IN A DATA WORD

Infineon Technologies AG,...

1. A method of increasing data word correctability of a corrupted data word beyond a threshold of half a minimum distance of a code minus one using linear recursion syndrome determination, the method comprising:receiving the data word, wherein n is a length of the received data word, and k is a dimension of the code as determined by n=2k?1;
determining a syndrome, the syndrome comprising a first 2k?1?k sequence elements of the received data word and a second 2k?1?k elements derived according to a linear recursion formula;
successively generating code words by selecting each of a first 2k?1?k elements to be either 0 or 1 calculating a next n?2k?1?k elements using a linear recursion formula; forming, for each code word generated, a sum of the syndrome supplemented with zeros to the data word length and the code word, and checking, for the code word, whether the sum of the syndrome supplemented with zeros to the data word length and the code word has a minimum weight among each of the sum of the syndrome supplemented with zeros; and
determining the error vector as the sum of the syndrome and the code word for which the sum of the syndrome supplemented with zeros to the data word length and the code word has a minimum weight among all code words; and
correcting the data word using the error vector,
wherein the minimum distance of the code is a smallest Hamming distance between two code words.

US Pat. No. 10,193,568

OPTICAL COHERENT RECEIVER WITH FORWARD ERROR CORRECTION

Alcatel Lucent, Boulogne...

1. An optical coherent receiver comprising a number of decoding blocks, each decoding block being configured to implement an iteration of a forward error correction iterative message-passing decoding algorithm, said number of decoding blocks being distributed into at least two parallel chains of cascaded decoding blocks, wherein said optical coherent receiver also comprises at least one intermediate circuit interposed between said two parallel chains, wherein said optical coherent receiver is switchable between:a first operating mode, in which said intermediate circuit is inactive and each one of said two parallel chains separately implements said forward error correction message-passing decoding algorithm on a respective client channel; and
a second operating mode, in which said intermediate circuit is active and said two parallel chains jointly implement said forward error correction message-passing decoding algorithm on a same client channel by cooperating through said intermediate circuit.

US Pat. No. 10,193,567

METHODS AND NETWORK DEVICE FOR UNCODED BIT PROTECTION IN 10GBASE-T ETHERNET

Marvell International Ltd...

1. A method, comprising:receiving, at a network interface device, a plurality of bits for transmission in a communication frame via a communication link;
encoding, at the network interface device, the plurality of bits into a plurality of bit blocks, wherein the plurality of bit blocks comprises a first set of bit blocks and a second set of bit blocks;
transcoding, at the network interface device, the first set of bit blocks to generate a third set of bit blocks;
aggregating, at the network interface device, the second set of bit blocks and the third set of bit blocks into an aggregated set of bit blocks;
encoding, with a first error correction encoder of the network interface device, a first portion of the bits in the aggregated set of bit blocks to generate a first set of encoded bits including a set of first parity bits for protecting bits in the first set of encoded bits, the set of first parity bits generated according to a first error correction code;
encoding, with a second error correction encoder of the network interface device, a second portion of the bits in the aggregated set of bit blocks to generate a second set of encoded bits including a set of second parity bits for protecting bits in the second set of encoded bits, the second set of parity bits generated according to a second error correction code, wherein a number of bits in the second set of encoded bits is greater than a number of bits in the second portion of the bits in the aggregated set of bit blocks, and wherein the set of second parity bits includes a smaller number of parity bits as compared to a greater number of parity bits included in the set of first parity bits;
selecting, at the network interface, constellation points for modulating the first set of encoded bits and the second set of encoded bits, including
selecting, based on bits in the second set of encoded bits, clusters from among a plurality of clusters of adjacent constellation points, and
selecting, based on bits in the first set of encoded bits, constellation points within the clusters of adjacent constellation points such that, when transmitted via the communication link, bits in the second set of encoded bits that includes the smaller number of parity bits are less prone to errors than bits in the first set of encoded bits that includes the greater number of parity bits; and
generating, at the network interface, the communication frame for transmission via the communication link, including modulating, at the network interface device, the first set of encoded bits and the second set of encoded bits according to the selected constellation points.

US Pat. No. 10,193,566

ENCODING/DECODING SYSTEM FOR PARALLEL DATA

NIPPON TELEGRAPH AND TELE...

1. A parallel data encoding/decoding system which performs parallel data transmission from an encoder to a decoder using a plurality of lanes, the number of the plurality of lanes being R, R being an integer that is larger than or equal to 2,wherein the encoder generates a code vector M having R elements, each element of the code vector M is a symbol to be transmitted in parallel using the plurality of lanes, the code vector M being denoted M={m0, m1, m2, . . . mR?1|mi?GF(2n)}, m0, m1, m2, . . . mR?1 being the elements of the code vector M, GF(2n) being an n-order extension field of a Galois field, the number of the elements being equal to the number of the plurality of lanes, and the state vector U having R elements, each element in the state vector U is a code indicating to the decoder whether each of the corresponding elements of the code vector M is valid or invalid, the state vector U being denoted as U=(u0, u1, u2, . . . uR?1|ui?{0, 1}), u0, u1, u2, . . . uR?1 being the elements of the state vector U,
calculates products {m0u0, m1u1, m2u2, . . . , mR?1uR?1|mi?M, ui?U} of the elements of the code vector M and the elements of the state vector U,
generates a transmission vector Y by encoding the calculated products using a maximum distance separable (2R, R) block code with which erasure of R symbols is capable of being corrected,
transmits the transmission vector Y through the plurality of lanes, and
transmits the state vector U through the plurality of lanes or a path separate from the plurality of lanes,
the encoder comprises an MDS encoding computer that performs the encoding of the calculated products using the maximum distance separable (MDS) block code, and
the decoder decodes a subset Msub of the code vector M, the subset Msub being constituted of a valid element of the code vector M, using a received reception vector Y?, the received state vector U, and an erasure vector E indicating whether each element of the transmission vector Y has been erased in a transmission/reception section.

US Pat. No. 10,193,565

COMPRESSIVE ENCODING APPARATUS, COMPRESSIVE ENCODING METHOD, DECODING APPARATUS, DECODING METHOD, AND PROGRAM

Sony Corporation, Tokyo ...

1. A compressive encoding apparatus comprising:an encoding unit that converts M bits of a ??-modulated digital signal into N bits (M>N) with reference to a first conversion table, and when the M bits are not able to be converted into the N bits with the first conversion table, converts the M bits into the N bits with reference to a second conversion table,
wherein, when the number of bit patterns of the N bits is P,
the first conversion table is a table storing (P?1) number of codes having higher generation frequencies for past bit patterns, and
the second conversion table is a table storing (P?1) number of codes having higher generation frequencies for past bit patterns, which follow those of the first conversion table; and
a data transmission unit that transmits converted data converted by the encoding unit,
wherein the data transmission unit transmits data of the first conversion table and the second conversion table along with the converted data.

US Pat. No. 10,193,564

ANALOG-TO-DIGITAL CONVERTER

TEXAS INSTRUMENTS INCORPO...

1. A system, comprising:a multiplex circuit having: a plurality of inputs to receive a respective plurality of analog signals, including a first input to receive a first analog signal; and an output to provide an output signal, multiplexed from among the received analog signals; and
an analog-to-digital converter (ADC) to convert the output signal, relative to a reference voltage, into a corresponding digital value, wherein: if the output signal is the first analog signal, then the reference voltage is a fixed voltage; and if the output signal is other than the first analog signal, then the reference voltage is a variable voltage of the first analog signal.

US Pat. No. 10,193,563

SEMICONDUCTOR DEVICE, WIRELESS SENSOR, AND ELECTRONIC DEVICE

Semiconductor Energy Labo...

1. A semiconductor device comprising:a sample-and-hold circuit including a transistor including an oxide semiconductor containing indium and oxide in a channel formation region and a capacitor;
a comparator electrically connected to one of a source and a drain of the transistor and the capacitor;
a successive approximation register electrically connected to the comparator;
a digital-analog converter circuit electrically connected to the successive approximation register and the comparator; and
a timing controller electrically connected to a gate of the transistor, the successive approximation register, and the digital-analog converter circuit,
wherein the other of the source and the drain of the transistor is electrically connected to an input terminal of the sample-and-hold circuit.

US Pat. No. 10,193,561

PHASE LOCKED LOOPS

Cirrus Logic, Inc., Aust...

1. A phase-locked-loop apparatus comprising:a phase-and-frequency detector configured to:
receive a reference clock signal and a feedback signal; and
output first adjustment signal that is modulated between respective first and second signal levels to provide control pulses indicating that an increase in frequency required for phase and frequency lock, and
output a second adjustment signal that is modulated between respective first and second signal levels to provide control pulses indicating that a decrease in frequency required for phase and frequency lock; and
first and second time-to-digital converters configured to respectively receive the first and second adjustment signals respectively and output respective first and second digital signals indicative of the duration of said control pulses;
wherein each time-to-digital converter comprises:
a controlled-oscillator configured so as to operate at a first frequency when the respective adjustment signal is at the first signal level and operate at a second frequency when the respective adjustment signal is at the second signal level; and
a counter configured to produce a count value of the number oscillations of the controlled-oscillator in each of a succession of count periods defined by a count clock signal; and
wherein said first and second digital signals are based on the count values output from the respective counters.

US Pat. No. 10,193,559

CIRCUIT DEVICE, PHYSICAL QUANTITY MEASUREMENT DEVICE, ELECTRONIC APPARATUS, AND VEHICLE

Seiko Epson Corporation, ...

1. A circuit device comprising:a delay locked loop (DLL) circuit, which has a plurality of delay elements, and to which a first clock signal generated using a first resonator and having a first clock frequency is input; and
an adjustment circuit, to which delayed clock signals from the delay elements of the DLL circuit, and a second clock signal generated using a second resonator and having a second clock frequency lower than the first clock frequency are input, and which adjusts delay amounts of the delay elements of the DLL circuit using a frequency difference between the first clock frequency and the second clock frequency.

US Pat. No. 10,193,558

CLOCK SIGNAL AND SUPPLY VOLTAGE VARIATION TRACKING

Micron Technology, Inc., ...

1. An apparatus comprising:a first tracking enablement circuit configured to enable a delay-locked loop tracking circuit based on a variation in a voltage output of a voltage source, a variation in a frequency of an input clock signal, or combinations thereof; and
a second tracking enablement circuit configured to enable a duty cycle correction circuit based on a variation in a duty cycle of the input clock signal.

US Pat. No. 10,193,556

METHOD AND APPARATUS FOR CONFIGURABLE CONTROL OF AN ELECTRONIC DEVICE

SKYWORKS SOLUTIONS, INC.,...

1. A configurable controller for establishing operational states of a device having a plurality of functional operating units, the configurable controller comprising:an input configured to receive an identifier of a desired operational state of the device;
a plurality of control outputs, each of the control outputs configured to couple to one or more of the plurality of functional operating units each having two or more operational states; and
a plurality of reference inputs each configured to receive a reference signal, at least one reference signal being mapped, based on the identifier, to at least one control output to provide a control signal that places each functional operating unit in a selected state of its two or more operational states to achieve the desired operational state of the device.

US Pat. No. 10,193,555

METHODS AND DEVICES FOR A MEMORY INTERFACE RECEIVER

Cadence Design Systems, I...

1. A receiver apparatus for receiving data from a memory device, the apparatus comprising:a first resistor wherein a first terminal of the first resistor is connected to a first receiver input of the memory receiver apparatus;
a first N-type metal oxide semiconductor (NMOS) field effect transistor (FET) wherein a drain terminal of the first NMOS FET is connected to a second terminal of the first resistor and a gate terminal of the first NMOS FET is connected to the drain terminal of the first NMOS FET;
a second NMOS FET wherein a gate terminal of the second NMOS FET is connected to the gate terminal of the first NMOS FET;
a trans-impedance amplifier wherein an input terminal of the trans-impedance amplifier is connected to a drain terminal of the second NMOS FET; and
a complementary metal oxide semiconductor (CMOS) inverter wherein an input terminal of the CMOS inverter is connected to an output terminal of the trans-impedance amplifier;
wherein the first NMOS FET and the second NMOS FET are low voltage devices; and
wherein the first resistor is configured to shield the first NMOS FET and the second NMOS FET from input/output (I/O) voltage levels.

US Pat. No. 10,193,553

PROCESSING CIRCUIT CAPABLE OF DYNAMICALLY MODIFYING ITS PRECISION

1. A circuit comprising:a processing circuit comprising a plurality of circuit domains, each circuit domain comprising a plurality of transistors and being configured to apply one or more corresponding transistor biasing voltages to said transistors; and
a control circuit configured to determine, based on at least a selected accuracy setting of the processing circuit, the level of said one or more transistor biasing voltages to be applied in each of said circuit domains, the control circuit being further configured to cause said transistor biasing voltages to be applied to the circuit domains.

US Pat. No. 10,193,548

BIASING SCHEME FOR HIGH VOLTAGE CIRCUITS USING LOW VOLTAGE DEVICES

Intel Corporation, Santa...

1. An apparatus comprising:an integrated circuit including a first node to receive a supply voltage and a second node to receive ground potential; and
a transmitter located in the integrated circuit, the transmitter including a buffer to transmit a signal, the buffer including:
an output stage including a first pair of transistors coupled between the first node and an output node, and a second pair of transistors coupled between the output node and the second node;
the first pair of transistors including a first transistor and a second transistor, the first transistor including a first non-gate terminal directly coupled to a first non-gate terminal of the second transistor, the second transistor including a second non-gate terminal coupled to the output node;
the second pair of transistors including a first transistor and a second transistor, the first transistor of the second pair of transistors including first non-gate terminal directly coupled to a first non-gate terminal of the second transistor of the second pair of transistors, and the second transistor of the second pair of transistors including a second non-gate terminal directly coupled to the second non-gate terminal of the second transistor of the first pair of transistors; and
a bias stage to provide a first bias voltage to a gate of the second transistor in the second pair of transistors and a second bias voltage to a gate of the second transistor in the first pair of transistors, wherein a value of each of the first and second bias voltages is greater than zero, and the value of the second bias voltage is a value of the supply voltage minus the value of the first bias voltage.

US Pat. No. 10,193,545

POWER-ON RESET SYSTEM FOR SECONDARY SUPPLY DOMAIN

SILICON LABORATORIES INC....

1. A power-on reset (POR) circuit for a secondary supply domain of an integrated circuit comprising a primary supply domain receiving a primary supply voltage and the secondary supply domain receiving a secondary supply voltage, said POR circuit comprising:a bias and reference circuit that develops a startup current in response to ramping up of the secondary supply voltage, and that mirrors a bias current into a plurality of transistors coupled into a voltage loop which establishes a reference voltage;
a comparator receiving said bias current, having a first input receiving said reference voltage and having a second input receiving the primary supply voltage, wherein said comparator controls a level of said bias current to a high current level when said reference voltage is greater than the primary supply voltage by more than a predetermined voltage offset and to a low current level when the primary supply voltage is at least said reference voltage less said predetermined voltage offset;
a level shift and isolation circuit that is pre-biased upon startup to isolate a primary POR signal from the secondary supply domain while said bias current is above said low current level, and after said bias current achieves said low current level, that transitions to provide said primary POR signal as a level shifted primary POR signal when said primary POR signal indicates that said primary supply domain is out of reset;
a delay circuit supplied by the secondary supply voltage, wherein said delay circuit provides a delayed secondary POR signal a predetermined time period after the secondary supply voltage achieves a predetermined voltage threshold; and
a control gate that determines a reset state of the secondary power domain based on said level shifted primary POR signal and said delayed secondary POR signal.

US Pat. No. 10,193,544

MINIMIZING RINGING IN WIDE BAND GAP SEMICONDUCTOR DEVICES

Ford Global Technologies,...

1. A power conversion circuit, comprising:first and second semiconductor switches; and
a drive circuit configured to create a period of operational overlap for the first and second switches by setting a gate voltage of the first switch to an intermediate value above a threshold voltage of the first switch, during turn-on and turn-off operations of the second switch, wherein, during the period, a gate voltage of the second switch is steady or substantially steady.

US Pat. No. 10,193,542

SEMICONDUCTOR DEVICE

FUJI ELECTRIC CO., LTD., ...

1. A semiconductor device for driving a high-side switching device and a low-side switching device ON and OFF in a complementary manner, the high-side switching device and the low-side switching device being totem pole-connected with a node therebetween to be connected to a load to drive the load, the semiconductor device comprising:a high-side driver circuit and a low-side driver circuit which respectively switch the high-side switching device and the low-side switching device ON and OFF in a complementary manner;
a bootstrap capacitor connected to a power supply that supplies driving power to the low-side driver circuit via a diode such that the bootstrap capacitor is charged when the low-side switching device is ON, and a resulting charge voltage is boosted and applied to the high-side driver circuit when the low-side switching device is OFF;
a supplementary bootstrap capacitor connected in parallel to the bootstrap capacitor via a switch circuit such that the supplementary bootstrap capacitor is charged by an intermediate voltage at an intermediate node between the high-side and low-side driver circuits that is to be connected to said node between the high-side switching device and the low-side switching device when the high-side switching device is ON;
a Zener diode that is connected to said intermediate node and that regulates a charging voltage of the supplementary bootstrap capacitor; and
a control circuit that controls the switch circuit so as to apply a charge voltage of the supplementary bootstrap capacitor to the high-side driver circuit when the charge voltage of the bootstrap capacitor decreases to less than a prescribed voltage while the high-side switching device is ON.

US Pat. No. 10,193,541

TRANSFORMERLESS SWITCHING REGULATOR WITH CONTROLLABLE BOOST FACTOR

Siemens Medical Solutions...

1. A switching regulator system comprising:a controller;
a boost converter comprising an inductor and a first transistor responsive to a control signal from the controller, the first transistor connected with the inductor such that the inductor connects to ground through the first transistor;
a charge pump having an input connected with an output of the boost converter;
a diode connected between the inductor and the input of the charge pump, the diode connected to prevent current from the charge pump entering the first transistor; and
a second transistor responsive to the control signal, the second transistor connected to the input of the charge pump.

US Pat. No. 10,193,540

LOW-POWER DECISION THRESHOLD CONTROL FOR HIGH-SPEED SIGNALING

XILINX, INC., San Jose, ...

1. An apparatus for decision threshold control, comprising:an alternating current coupler (“ac-coupler”) circuit configured as a high-pass circuit path for a first frequency range;
a buffer amplifier circuit coupled in parallel with the ac-coupler circuit and configured as a low-pass circuit path for a second frequency range; and
an offset injection circuit coupled to both the ac-coupler circuit and the buffer amplifier circuit and configured to inject an offset.

US Pat. No. 10,193,539

HIGH SPEED DATA SYNCHRONIZATION

SK hynix Inc., Icheon-si...

1. A semiconductor device comprising:an internal clock generation circuit configured to generate first to fourth internal clock signals from first to fourth division clock signals; and
a data input and output (I/O) circuit configured to output input data as output data in synchronization with the first to fourth internal clock signals,
wherein the first internal clock signal is generated after the fourth internal clock signal is generated, the second internal clock signal is generated after the first internal clock signal is generated, the third internal clock signal is generated after the second internal clock signal is generated, and the fourth internal clock signal is generated after the third internal clock signal is generated.

US Pat. No. 10,193,536

SHARED KEEPER AND FOOTER FLIP-FLOP

Intel Corporation, Santa...

1. An apparatus comprising:a master latch comprising a keeper controllable by a clock input, wherein the keeper of the master latch is coupled to a memory circuitry of the master latch; and
a slave latch coupled to an output of the master latch, wherein the slave latch comprises a footer controllable by an inverse of the clock input, and wherein the footer of the slave latch is coupled to a memory circuitry of the slave latch.

US Pat. No. 10,193,529

ELASTIC WAVE DEVICE

Murata Manufacturing Co.,...

1. An elastic wave device comprising:a first signal terminal;
a second signal terminal;
a first interdigital transducer (IDT) electrode and a second IDT electrode that are adjacent to or in a vicinity of each other in or substantially in a direction of propagation of elastic waves; and
at least one bridging capacitance; wherein
each of the first IDT electrode and the second IDT electrode includes a pair of comb-shaped electrodes, each of the comb-shaped electrodes including a busbar electrode extending in or substantially in the direction of propagation of elastic waves and a plurality of electrode fingers connected to the busbar electrode and extending in or substantially in a direction that crosses the direction of propagation of elastic waves;
one of the pair of comb-shaped electrodes in the first IDT electrode is a first comb-shaped electrode directly electrically connected to the first signal terminal, and one of the pair of comb-shaped electrodes in the second IDT electrode is a second comb-shaped electrode electrically connected to the second signal terminal;
the bridging capacitance is arranged in a region outside a region sandwiched between the electrode fingers that are adjacent to or in a vicinity of each other in or substantially in the direction of propagation of elastic waves and includes a pair of comb-shaped electrodes opposed to each other at a predetermined interval; and
a first one of the pair of comb-shaped electrodes in the bridging capacitance is a first comb-shaped electrode directly electrically connected to the first comb-shaped electrode of the first IDT electrode, and a second one of the pair of comb-shaped electrodes is a second comb-shaped electrode electrically connected to either one of the pair of comb-shaped electrodes in the second IDT electrode.

US Pat. No. 10,193,528

ACOUSTIC WAVE DEVICE AND ACOUSTIC WAVE MODULE

KYOCERA Corporation, Kyo...

1. An acoustic wave device, comprising:a piezoelectric substrate;
an excitation electrode on the piezoelectric substrate;
an electrode pad arranged on the piezoelectric substrate and electrically connected with the excitation electrode; and
a cover arranged on the piezoelectric substrate so that a oscillation space is arranged between the cover and the excitation electrode, wherein
the cover, in an internal portion, comprises a via conductor electrically connected to the electrode pad and its surface facing the piezoelectric substrate is curved so as to approach the excitation electrode side,
the cover is an organic substrate including fibers extending in the surface direction, and
a portion of the fibers is buried in the via conductor.

US Pat. No. 10,193,527

BRANCHING FILTER

TDK CORPORATION, Tokyo (...

9. A branching filter comprising:a common port;
a first signal port;
a second signal port;
a low-pass filter provided between the common port and the first signal port, and configured to selectively pass a signal of a frequency within a first passband not higher than a first cut-off frequency, the low-pass filter including:
a first LC resonant circuit; and
a first acoustic wave resonator provided in a shunt circuit connecting a path leading from the first LC resonant circuit to the first signal port to a ground, the first acoustic wave resonator having a resonant frequency higher than the first cut-off frequency; and
a high-pass filter provided between the common port and the second signal port, and configured to selectively pass a signal of a frequency within a second passband not lower than a second cut-off frequency higher than the first cut-off frequency, the high-pass filter including:
a second LC resonant circuit; and
a second acoustic wave resonator provided in a path leading from the second LC resonant circuit to the second signal port, the second acoustic wave resonator having an anti-resonant frequency lower than the second cut-off frequency.

US Pat. No. 10,193,525

ACOUSTIC WAVE DEVICE AND METHOD FOR MANUFACTURING SAME

KYOCERA Corporation, Kyo...

1. An acoustic wave device, comprising:a substrate on which an excitation electrode is provided; and
a cover member which is arranged so that at least a portion covers the excitation electrode and which has a hole portion comprising a terminal thereinside, the terminal being electrically connected to the excitation electrode,
wherein, in a cross-sectional view, the terminal of the hole portion has widths at a first position and a second position, which have distances up to a surface of the substrate different from each other, are broader than a width at a third position which is positioned between the first position and the second position.

US Pat. No. 10,193,521

ADJUSTABLE IMPEDANCE MATCHING NETWORK

Infineon Technologies AG,...

1. An impedance matching network comprising:a first port;
a second port; and
an adaptive matching network connected between the first port and the second port,
wherein the adaptive matching network comprises at least two stages,
wherein the adaptive matching network comprises a series inductance with an intermediate tap and a capacitive element connected to the intermediate tap,
wherein the series inductance comprises a first inductance associated with a first stage of the at least two stages and a second inductance associated with a second stage,
wherein the first inductance and the second inductance form a transmission line transformer,
wherein the series inductance is located in a first inductor path of a series branch of the adaptive matching network, and
wherein the first inductance and the second inductance are inductively coupled.

US Pat. No. 10,193,520

DIGITAL SWITCHED ATTENUATOR

SKYWORKS SOLUTIONS, INC.,...

1. An attenuation cell for use in a switched attenuator, the attenuation cell comprising:an attenuation path having an input, a first switch, a resistive network, a second switch, and an output, the resistive network electrically disposed between the first switch and the second switch and configured to provide a desired attenuation from the input to the output;
a bypass path in parallel with the attenuation path and having a bypass switch disposed between the input and the output; and
a shunt switch including at least four series-connected switching elements, the shunt switch being coupled between the resistive network and a reference node to selectively connect the resistive network to the reference node.

US Pat. No. 10,193,518

RADIO-FREQUENCY (RF) COMPONENT

MURATA MANUFACTURING CO.,...

1. A radio-frequency component comprising:a first substrate including one or more first wiring electrodes, and a plurality of stacked insulating layers;
a column-shaped spacer member placed on a first main face of the first substrate;
a second substrate including a second wiring electrode, and a plurality of stacked insulating layers, the second substrate being spaced from the first substrate by being stacked on the column-shaped spacer member; and
an inductor component mounted on the first main face of the first substrate,
wherein a first no-electrode-forming area where the one or more first wiring electrodes are not formed is set to a range overlapping with the inductor component in a plan view of at least one of the plurality of stacked insulating layers of the first substrate, and
wherein a second no-electrode-forming area where the second wiring electrode is not formed is set to a range overlapping with the inductor component in a plan view of at least one of the plurality of stacked insulating layers of the second substrate.

US Pat. No. 10,193,517

VARIABLE FILTER CIRCUIT AND RADIO COMMUNICATION DEVICE

MURATA MANUFACTURING CO.,...

1. A variable filter circuit comprising:a first series arm including a first resonator connected in series between a first input/output terminal and a node;
a second series arm including a second resonator connected in series between a second input/output terminal and the node; and
a parallel arm connected between the node and a ground connection terminal,
wherein the parallel arm includes a first inductor connected in series between the node and the ground connection terminal, and
at least one of the first and second series arms includes a variable capacitor connected in parallel to the first or second resonator,
wherein each of the first and second series arms includes first and second parallel inductors respectively connected in parallel to the first and second resonators and first and second series inductors respectively connected in series to circuits in which the first and second resonators and the first and second parallel inductors are respectively connected in parallel.

US Pat. No. 10,193,516

COMMON MODE FILTER

TDK CORPORATION, Tokyo (...

1. A common mode filter comprising:a core including a winding core part extending in an axial direction, a first flange part provided at one end of the winding core part in the axial direction, and a second flange part provided at other end of the winding core part in the axial direction;
first and second terminal electrodes provided on the first flange part;
third and fourth terminal electrodes provided on the second flange part;
a first wire wound around the winding core part and having one end connected to the first terminal electrode and other end connected to the third terminal electrode; and
a second wire wound around the winding core part and having one end connected to the second terminal electrode and other end connected to the fourth terminal electrode,
wherein the winding core part includes a first winding region, a second winding region, and a third winding region positioned between the first and second winding regions in the axial direction, and
wherein the first and second wires are bifilar-wound in the first and second winding regions and layer-wound in the third winding region.

US Pat. No. 10,193,515

CONTINUOUS TIME LINEAR EQUALIZER WITH TWO ADAPTIVE ZERO FREQUENCY LOCATIONS

INPHI CORPORATION, Santa...

1. A linear equalizer device comprising:a first input transistor comprising a first gate terminal a first drain terminal and a first source terminal, the first gate terminal being configured to receive a first input signal;
a second input transistor comprising a second gate terminal a second drain terminal and a second source terminal, the second gate terminal being configured to receive a second input signal;
a first compensation circuit coupled to the first drain terminal; and
a high-frequency zero circuit comprising at least a pair of source resistors and a pair of source capacitors;
wherein:
the pair of source resistors comprises a first source resistor coupled to the first source terminal and a second source resistor coupled to the first source resistor and the second source terminal, a first terminal being positioned between the first source resistor and the second source resistor;
the pair of source capacitors comprises a first source capacitor coupled to the first source terminal and a second source capacitor coupled to the second source terminal, a second terminal being positioned between the first source capacitor and the second source capacitor and coupled to the first terminal.

US Pat. No. 10,193,514

SELECTABLE PROGRAMMABLE GAIN OR OPERATIONAL AMPLIFIER

MICROCHIP TECHNOLOGY INCO...

1. A configurable amplifier, comprising:a differential input stage;
a first output block;
a second output block;
a plurality of switches coupled to the differential input stage, the first output block and the second output block;
at least one configuration line controlling a switching position of said plurality of switches;
wherein
when a logic state on said configuration line defines a programmable gain amplifier setting, the plurality of switches are controlled such that the differential input stage and the first output block are coupled together as a programmable gain amplifier and comprises a feedback loop, wherein at least one switch of said plurality of switches changes a feedback resistance of the feedback loop, and
when another logic state of said configuration line defines an operational amplifier setting, the plurality of switches are controlled such that the differential input stage and the second output block are coupled together as an operational amplifier without a feedback loop.

US Pat. No. 10,193,513

OPTICAL AMPLIFIER BASED ON ELECTRO-OPTIC EFFECT FOR ELECTRICAL SIGNALS AND ITS APPLICATION AS SEMICONDUCTOR RADIATION DETECTOR PREAMPLIFIER

1. An electrical signal amplification system comprising:an electrical signal amplifier for amplifying an electrical signal, the electrical signal amplifier having
an electro-optic (EO) medium for receiving the electrical signal, wherein applying the electrical signal to the EO medium causes a change to an effective index of refraction;
a device for measuring a light phase change for measuring the change to the effective index of refraction; and
a photodetector;
wherein the photodetector converts the change to the effective index of refraction into an amplified electrical current output signal.

US Pat. No. 10,193,511

MONOLITHIC MICROWAVE INTEGRATED CIRCUIT HAVING AN OVERLAY TRANSFORMER AND LOW IMPEDANCE TRANSMISSION LINES

BAE Systems Information a...

1. A monolithic microwave integrated circuit (MMIC) power amplifier comprising:a substrate;
an input port supported by the substrate and an output port supported by the substrate, wherein the input port is indirectly electrically coupled to the output port; a first overlay transformer supported by the substrate and electrically intermediate the input port and the output port for transforming impedance from a higher input impedance to a lower output impedance; and
a first artificial low impedance transmission line supported by the substrate that is electrically intermediate the input port and the output port, and in electrical communication with the first overlay transformer, wherein the first artificial low impedance transmission line is coupled with at least one shunt capacitor and at least one high impedance transmission line configured as an inductor to provide artificial low impedance to electrical signals flowing through the first low impedance transmission line from the input port to the output port.

US Pat. No. 10,193,508

MULTI-BRANCH OUTPHASING SYSTEM AND METHOD

TEXAS INSTRUMENTS INCORPO...

1. A multi-level, multi-branch outphasing amplifier comprising:a first branch group circuit including:
a first branch circuit including a first activation circuit and a first power amplifier, the first activation circuit coupled to receive an RF first input signal and a first control signal, the first activation circuit configured to selectively enable and disable the RF first input signal from being transmitted to the first power amplifier responsive to the first control signal; and
a second branch circuit including a second activation circuit an a second power amplifier, the second activation circuit coupled to receive the RF first input signal and a second control signal, the second activation circuit configured to selectively enable and disable the RF first input signal from being transmitted to the second power amplifier responsive to the second control signal;
a second branch group circuit including:
a third branch circuit including a third activation circuit and a third power amplifier, the third activation circuit coupled to receive an RF second input signal and a third control signal, the third activation circuit configured to selectively enable and disable the RF second input signal from being transmitted to the third power amplifier responsive to the third control signal;
a fourth branch circuit including a fourth activation circuit and a fourth power amplifier, the fourth activation circuit coupled to receive the RF second input signal and a fourth control signal, the fourth activation circuit configured to selectively enable and disable the RF second input signal from being transmitted to the fourth power amplifier responsive to the fourth control signal; and
combiner circuitry for combining output signals of the first, second, third and fourth power amplifiers and producing an output signal across a load;
wherein a single constant-value voltage supply supplies power to the first branch group circuit and to the second branch group circuit, and
wherein a number of enabled RF input signals in the first branch group circuit and a number of enabled RF input signals in the second branch group circuit is selected to be the same or different depending on a power demand of the load or on a backoff load current.

US Pat. No. 10,193,507

CURRENT SWITCHING CIRCUIT

Analog Devices Global, H...

1. A current switching circuit with current boosting for operation across a wider range of frequencies, the current switching circuit comprising:a differential current switching circuit comprising:
a first transistor configured to receive a switching signal and to provide an output current to an output node;
a second transistor configured to receive an inverted switching signal, the first transistor and the second transistor coupled to each other at a tail node; and
a first current source configured to provide an input current to the tail node; and
a third transistor coupled to the tail node, wherein the third transistor is configured to provide a boost current from a second current source to the tail node while the first transistor is off.

US Pat. No. 10,193,505

CONFIGURABLE CONTROL LOOP TOPOLOGY FOR A PULSE WIDTH MODULATION AMPLIFIER

Cirrus Logic, Inc., Aust...

1. A system having a configurable control loop technology, the system comprising:a first mode control loop;
a second mode control loop; and
a reconfigurable pulse width modulator (PWM) configured to generate an output signal from an input signal, wherein the reconfigurable PWM comprises a digital PWM and an analog PWM and is configured such that:
when the first mode control loop is activated, the reconfigurable PWM utilizes the analog PWM to generate the output signal from the input signal; and
when the second mode control loop is activated, the reconfigurable PWM utilizes the digital PWM to generate the output signal from the input signal, and the digital PWM receives its input from a controller configured to generate such input to the digital PWM based on a difference between the input signal and a feedback signal generated by a feedback path of the second mode control loop.

US Pat. No. 10,193,504

SOLDER BUMP PLACEMENT FOR THERMAL MANAGEMENT IN FLIP CHIP AMPLIFIERS

SKYWORKS SOLUTIONS, INC.,...

1. An amplifier comprising:a transistor array formed over a silicon substrate;
a plurality of first resistors formed over the silicon substrate, a first end of a resistor of the plurality of first resistors in communication with an emitter of a transistor of the transistor array; and
a metal pillar formed over the silicon substrate, a footprint defined by a periphery of the metal pillar being adjacent to a footprint defined by a periphery of the transistor array, the footprint defined by the periphery of the metal pillar overlapping a footprint defined by a periphery of the plurality of first resistors, a second end of the resistor of the plurality of first resistors in communication with the metal pillar, the silicon substrate, the metal pillar, the plurality of first resistors, and the transistor array being arranged with respect to each other such that heat generated during operation of the transistor is transferred through the silicon substrate to the metal pillar.

US Pat. No. 10,193,503

AMPLIFIER CIRCUIT AND METHOD

TELEFONAKTIEBOLAGET LM ER...

1. An amplifier arrangement, comprising:N amplifier stages coupled to an output impedance network, the output impedance network comprising a cascade of quarter wavelength transmission lines;
a main amplifier and a plurality of peaking amplifiers configured to operate in a Doherty mode of operation;
wherein the amplifier arrangement is configured such that at least two peaking amplifiers are collectively driven by time-delayed versions of the same signal; and
at least one of the following is true:
at least one of the quarter wavelength transmission lines of the cascade is extended by a half wavelength transmission line or multiples of half wavelength transmission lines;
at least one of the peaking amplifiers is coupled to a respective junction or output node of the cascade via a connecting half wavelength transmission line or multiples of half wavelength transmission lines;
wherein the output impedance network comprises a cascade of quarter wavelength transmission lines coupled between an output of the main amplifier of the N amplifier stages and an output node of the amplifier arrangement;
wherein the cascade comprises N?1 quarter wavelength transmission lines; and
wherein an output of one peaking amplifier of the N amplifier stages is coupled to the output node, and remaining peaking amplifiers of the N amplifier stages coupled to respective junctions in the main cascade of quarter wavelength transmission lines.

US Pat. No. 10,193,501

DISTRIBUTED POLE-ZERO COMPENSATION FOR AN AMPLIFIER

TEXAS INSTRUMENTS INCORPO...

1. An amplifier comprising:an amplifier input and an amplifier output;
a first amplification stage having an input and an output, the input of the first amplification stage being coupled to the amplifier input;
a second amplification stage having an input and an output, the input of the second amplification stage being coupled to the output of the first amplification stage;
a third amplification stage having an input and an output, the input of the third amplification stage being coupled to the output of the second amplification stage and the output of the third amplification stage being coupled to the amplifier output;
a first feedback capacitor coupled between the amplifier output and at least one of: the input of the second amplification stage and the input of the third amplification stage; and
a compensation network coupled to the amplifier output, the compensation network comprising at least one RC network, wherein the at least one RC network is a plurality of RC networks providing staggered at least one half pole roll off with approximately a forty five degree phase margin per RC network.

US Pat. No. 10,193,499

MULTIPHASE POWER SUPPLY HAVING SINGLE COMPARATOR

Samsung Electro-Mechanics...

1. A multiphase power supply, comprising:a multiphase converter comprising first and second converters having differing operating phases, each of the first and second converters configured to convert input power into driving power based on a corresponding duty control signal of duty control signals and transmit the driving power to a power amplifier;
a detector configured to detect a voltage based on the driving power; and
a duty controller configured to compare an error voltage between an envelope signal of an input signal input into the power amplifier and the detected voltage and sawtooth wave signals having different phases from each other to generate the duty control signals,
wherein the duty controller compares the error voltage and the sawtooth wave signals with each other using a single comparator.

US Pat. No. 10,193,498

METHOD AND SYSTEM FOR BOOSTING THE SUPPLY OF POWER AMPLIFIER

1. A system for boosting the power supply of a RF power amplifier in high peak to average power ratio applications, wherein the power amplifier is coupled to receive and amplify a digital data stream of a baseband signal, which is supplied as an RF input signal to the power amplifier to generate an RF output signal, the system comprising:a. a first circuit for controlling a boost event in open-loop with the digital data stream, wherein a timing of the boost event can be adjusted according to delays in the digital data stream; and
b. a second circuit for adjusting the timing of the boost event in such a way that the signal which controls the second circuit is a result of a comparison between a digital representation of the RF input signal and/or a digital representation of the power supply, and the digital baseband signal, wherein the comparison represents a substantial matching of the delays in the paths of the RF input signal and the power supply; and
wherein the boost event is delivered through a plurality of capacitors configured as a charge-pump, and a shape of the boost is generated by capacitive coupling from a single DC voltage.

US Pat. No. 10,193,497

ENHANCED BROADBAND OPERATION OF AN ACTIVE MIXER

QUALCOMM Incorporated, S...

1. An apparatus for wireless communication, comprising:an active mixer configured to convert between radio frequency signals and intermediate frequency signals based at least in part on an alternating current local oscillator signal, wherein a direct current generated within the active mixer is dependent in part on a bias voltage and the alternating current local oscillator signal; and
a mixer biasing circuit configured to generate the bias voltage for the active mixer, a magnitude of the bias voltage depending at least in part on an amplitude of the alternating current local oscillator signal, the mixer biasing circuit comprising a feedback loop configured to inversely control the magnitude of the bias voltage with respect to the amplitude of the alternating current local oscillator signal.

US Pat. No. 10,193,496

PHOTOVOLTAIC COMBINER BOX MONITORING SYSTEM

BOE TECHNOLOGY GROUP CO.,...

1. A photovoltaic combiner box monitoring system, comprising a current sampling circuit, a microprocessor and a communication circuit, whereinthe current sampling circuit is connected with the microprocessor, and configured to sample at least one channel of current signals and input the sampled currents to the microprocessor, the current sampling circuit comprises at least one sampling branch, and each sampling branch comprises a connector and a line selector; the connector is connected with the line selector, and configured to sample a plurality of channels of current signals and input each channel of current signals to one of current input ports of the line selector by means of a port of the connector; and the line selector is connected with the microprocessor, and configured to output current signals that are inputted to respective current input ports of the line selector to the microprocessor in time division manner according to control signals output from the microprocessor; and
the microprocessor is connected with the communication circuit, and configured to send the current signals sampled by the current sampling circuit via the communication circuit.

US Pat. No. 10,193,494

VEHICLE GLASS ROOF SYSTEMS

FORD GLOBAL TECHNOLOGIES,...

1. A glass roof system, comprising:a first glass layer;
a second glass layer;
a photovoltaic module;
a switching film powered by the photovoltaic module, wherein the switching film is positioned between the first glass layer and the second glass layer and is positioned axially between a first solar cell and a second solar cell of the photovoltaic module; and
a control module configured to selectively control the switching film based on a passenger cabin temperature.

US Pat. No. 10,193,493

MULTI-SURFACE SOLAR CELL PACKAGING FOR SELF-POWERED ELECTRONIC DEVICES

Intel Corporation, Santa...

20. A method, comprising:collecting solar energy from a first solar cell mounted on a bendable substrate over a first surface of an electronic device, the bendable substrate to physically mount to the first surface;
collecting solar energy from a second solar cell mounted on the bendable substrate over a second surface of the electronic device, the bendable substrate to physically mount to the second surface; and
transferring the solar energy from the first and second solar cells via the bendable substrate to an electrical contact of the first surface of the electronic device, wherein the second surface of the electronic device lacks an electrical contact.

US Pat. No. 10,193,491

ROOFTOP HEAT REFLECTOR SYSTEM

1. A reflector system for reflecting solar radiation away from a roof, said system comprising:a plurality of brackets, wherein each of said plurality of brackets has a first end, a second end, and a first length that extends between said first end and said second end, wherein said second end of each of said plurality of brackets contacts said roof causing said first end of each of said plurality of brackets to extend away from said roof by said first length;
a plurality of flags, wherein each of said plurality of flags has a base, a second length, and exterior surfaces along said second length that are reflective to solar radiation, wherein said second length of each of said plurality of flags is longer than said first length of each of said plurality of brackets;
a common ribbon having a top edge and a bottom edge, wherein said base of each of said plurality of flags are coupled to said ribbon so that said second length of each of said plurality of flags hang away from said bottom edge of said ribbon;
wherein said ribbon attaches to said first end of each of said plurality of brackets therein supporting said ribbon away from said roof, wherein said plurality of flags hang from said ribbon and are suspended between said ribbon and said roof.

US Pat. No. 10,193,490

MOTOR DRIVE DEVICE

NTN CORPORATION, Osaka (...

1. A motor drive device comprising:an electric motor;
a speed reducer configured to reduce a speed of rotation of the electric motor and transmit so reduced rotation to a wheel;
a lubricating oil supply mechanism configured to supply a lubricating oil to the speed reducer; and
a control device configured to control the electric motor, wherein
a lubricating oil temperature sensor configured to detect a temperature of the lubricating oil is provided in a lubricating oil passage in the speed reducer, a coil temperature sensor configured to detect a temperature of a motor coil is provided in a stator of the electric motor, and a rotation speed detection sensor configured to detect a rotation speed of the electric motor is provided, and
the control device includes
an abnormality detector configured to detect an abnormality in the lubricating oil temperature sensor, and
a lubricating oil temperature estimator configured to estimate the temperature of the lubricating oil on the basis of a determined relationship using the temperature detected by the coil temperature sensor and the rotation speed detected by the rotation speed detection sensor, when the abnormality detector detects the abnormality in the lubricating oil temperature sensor.

US Pat. No. 10,193,489

METHOD AND APPARATUS FOR ACOUSTIC SIGNAL GENERATION

GM Global Technology Oper...

1. A motor drive system for controlling operation of a multi-phase electric machine, comprising:an inverter including a plurality of paired power transistors that are electrically connected to the electric machine, wherein the inverter is electrically connected to a DC power source via a high-voltage electrical power bus; and
a motor controller including a first controller and an acoustic signal generator, wherein the first controller is disposed to control the paired power transistors of the inverter to effect operation of the multi-phase electric machine;
wherein the first controller is disposed to determine an initial output voltage based upon a torque command;
wherein the acoustic signal generator is disposed to generate a sound injection voltage, including a sound pattern generator that is disposed to generate an instantaneous audio signal and a rotational transformation element that is disposed to generate the sound injection voltage based upon the instantaneous audio signal, and wherein the instantaneous audio signal is adjusted by a first gain factor associated with a torque-based gain derating and a second gain factor associated with a speed-based gain derating;
wherein the motor controller is disposed to combine the initial output voltage and the sound injection voltage; and
wherein the motor controller is disposed to generate commands to control the paired power transistors of the inverter, wherein the commands are determined based upon the initial output voltage and the sound injection voltage.

US Pat. No. 10,193,485

METHOD AND APPARATUS FOR CONTROL OF SWITCHED RELUCTANCE MOTORS

1. A short pitched switched reluctance motor control apparatus for controlling current in a first phase winding and a second phase winding of a short pitched switched reluctance motor, wherein the apparatus comprises:a first voltage provider configured to be coupled to the first phase winding and operable to selectively apply voltage to the first phase winding to drive current in the first phase winding in a first direction and in a second direction opposite to the first direction;
a second voltage provider configured to be coupled to the second phase winding and operable to selectively apply voltage to the second phase winding to drive current in the second phase winding in a first direction and in a second direction opposite to the first direction; and
a controller configured to control the first voltage provider and the second voltage provider to control the timing of the currents in the first phase winding and the second phase winding to drive the motor.

US Pat. No. 10,193,484

CONTROLLED MOTION SYSTEM

Rockwell Automation, Inc....

1. A controlled motion system comprising:a first track section;
a second track section;
a plurality of movers movable along the first and second track sections; and
a control system coupled to the first and second track sections, and configured to control movement of the plurality of movers together and not independently on the first track section and independently on the second track section;
wherein the first and second track sections comprise a plurality of linear motor circuits configured to drive movement of the movers under the control of the control system.

US Pat. No. 10,193,483

METHOD AND DEVICE FOR THE CYCLIC DIGITAL TRANSMISSION OF A POSITION VALUE OF A MOVING OBJECT WITH INERTIAL MASS

1. A method for closed-loop control of a drive, comprising:recurrently detecting a position value over time; and
transmitting associated information to a control device;
wherein the position value includes at least two values, including a partial-angle value, a fine-angle value, and/or digital values, a first value being denotable with a whole number, and a position-value range being assigned to each number, each position range including a first value being assigned mutually separate sub-ranges of the position range, each of these sub-ranges including a second value denotable as a whole number, the second value being transmitted prior in time to the first value;
wherein:
(i) after a newly detected second value has been transmitted, a model value is determined for the first value from the newly detected and a previously transmitted second value, and the position value determined is used by a control device to determine an updated value of a manipulated variable of the control device; and
(ii) after the newly detected second value has been transmitted, the newly detected first value is transmitted, and the model value determined is compared to the newly detected first value, and an action is carried out if they do not agree,
wherein the action includes communication and/or display of warning information, bringing the drive to rest, and/or transferring the drive into a safe state;
wherein the manipulated variable includes a voltage space vector and/or a stator-voltage space vector of an electric motor of the drive.

US Pat. No. 10,193,482

METHOD FOR REDUCING THE NOISE OF AN ELECTRIC MOTOR

1. A method for reducing noise of a motor fed by a converter, said method comprising:changing a magnetic flux in the motor for reducing a fundamental oscillation and a harmonic oscillation of the magnetic flux; and
changing a duty cycle and/or a pulse frequency of the converter so as to change a harmonic oscillation of the magnetic flux, wherein the magnetic flux in the motor is changed as a function of a load torque on the motor.

US Pat. No. 10,193,481

WIND TURBINE PROVIDING GRID SUPPORT

1. A wind turbine for connection to an electrical grid, the wind turbine comprising:a rotor with blades coupled to an electrical generator; and
a controller configured to:
increase, in response to an event, an electrical output power from the wind turbine for a duration of an overproduction period using kinetic energy stored in the rotor thereby decreasing a rotational speed of the rotor, wherein the event indicates a need to increase the electrical output power from the wind turbine to the electrical grid to support the stability of the electrical grid, and
after increasing the electrical output power and before the rotational speed of the rotor reaches a predetermined minimum value, accelerate the rotor for a duration of a recovery period to a previous rotational speed while outputting at least a predetermined minimum electrical power to the electrical grid, wherein the controller is configured to control the wind turbine such that the predetermined minimum electrical power output to the electrical grid during the recovery period is at least 80% of an electrical operating power which was supplied to the electrical grid during a normal operation period prior to the overproduction period.

US Pat. No. 10,193,475

SENSORLESS CONTROL OF SWITCHED RELUCTANCE MACHINES FOR LOW SPEEDS AND STANDSTILL

Caterpillar Inc., Deerfi...

1. A method for determining rotor position of a sensorless control of a switched reluctance (SR) machine having a rotor and a stator at standstill or low speed, comprising:injecting a test pulse into one or more idle phases of the SR machine;
determining a decoupled flux value based at least partially on a total flux value corresponding to the test pulse and a mutual flux value; and
determining the rotor position based at least partially on the decoupled flux value, wherein the test pulse being injected is based at least partially on a measured phase current and rotor position feedback.

US Pat. No. 10,193,472

SINGLE FRICTION SURFACE TRIBOELECTRIC MICROGENERATOR AND METHOD OF MANUFACTURING THE SAME

PEKING UNIVERSITY, Beiji...

1. A single friction surface microgenerator, comprising an insulating substrate having an upper surface and a lower surface, with a surface-friction-structured layer on the upper surface and a first induction electrode and a second induction electrode on the lower surface; wherein the first induction electrode is located to correspond to the surface-friction-structured layer that is used as a friction surface while the second induction electrode is located peripherially of the first induction electrode and insulatedly spaced from the first induction electrode, the second induction electrode surrounds the first induction electrode in a ring shape, and the surface-friction-structured layer has a number of micro/nano array structures or is a smooth surface.

US Pat. No. 10,193,459

HIGH STATIC GAIN BI-DIRECTIONAL DC-DC RESONANT CONVERTER

Huawei Technologies Co., ...

1. A bi-directional DC-DC converter comprising:a first terminal circuit;
a second terminal circuit;
a transformer circuit;
a first high voltage side coupled to the first terminal circuit, wherein the first high voltage side comprises a resonant tank circuit coupled between a first bridge circuit of the first high voltage side and a high voltage side of the transformer circuit, wherein the resonant tank circuit comprises:
a) a first branch comprising a first capacitor Cr1 and a first inductor Lr1 coupled in series;
b) a second branch comprising a second inductor Lr2 and a second capacitor Cr2 coupled in series; and
c) a third branch comprising a third capacitor Cr3 and a third inductor Lr3 coupled in series;
wherein the first, second and third branches are coupled to a common node, the second branch is coupled between the common node and a first terminal of the high voltage side of the transformer circuit and the third branch is coupled between the common node and a second terminal of the high voltage side of the transformer circuit; and
a second low voltage side coupled to the second terminal circuit, wherein the first high voltage side and the second low voltage side are coupled to each other via the transformer circuit.

US Pat. No. 10,193,455

RESONANT CAPACITOR STABILIZER IN RESONANT CONVERTERS

Semiconductor Components ...

1. A resonant converter for resonant capacitance stabilization during start-up, the resonant converter comprising:an oscillator configured to generate a first clock signal to drive a first driver for a first power switch, and a second clock signal to drive a second driver for a second power switch during switching operations; and
a resonant capacitor stabilizer configured to control the second driver to periodically activate the second power switch to discharge a resonant capacitor of a resonant network during initialization of the switching operations of the resonant converter,
the resonant capacitor stabilizer configured to activate the second power switch for a first duration and activate the second power switch for a second duration such that the second power switch is deactivated during a period of time between the first duration and the second duration.

US Pat. No. 10,193,453

HIGH SIDE SIGNAL INTERFACE IN A POWER CONVERTER

Power Integrations, Inc.,...

1. A controller for use in a power converter, the controller comprising:a high side signal interface circuit coupled to generate a drive signal in response to an ON signal and an OFF signal generated by a control circuit of the controller to control switching of a high side switch coupled to a half bridge node of the power converter, wherein the high side signal interface circuit comprises:
a common mode cancellation circuit coupled to receive the ON signal and the OFF signal, wherein the common mode cancellation circuit is coupled to generate a fourth current signal representative of the OFF signal referenced to a bypass voltage during an initial state, wherein the common mode cancellation circuit is coupled to generate a first current signal in response to the ON signal being pulled to a lower value relative to the OFF signal to turn ON the high side switch, and wherein the common mode cancellation circuit is coupled to generate a common mode rejection signal in response to the first current signal and the fourth current signal; and
a first current hysteresis comparator coupled to receive the first current signal, the fourth current signal, the common mode rejection signal, and a drive signal, wherein the first current hysteresis comparator is coupled to generate a first output signal in response to the first current signal, the fourth current signal, the common mode rejection signal, and the drive signal, wherein the drive signal is coupled to be generated in response to the first output signal in a presence of a common mode voltage caused by slewing at the half bridge node.

US Pat. No. 10,193,448

METHOD OF FORMING A POWER SUPPLY CONTROL CIRCUIT AND STRUCTURE THEREFOR

SEMICONDUCTOR COMPONENTS ...

1. A circuit for a power supply control system comprising:a control circuit configured to operate a power switch at a frequency having a period to control a current through an inductor and through the power switch to provide an output voltage to a load wherein the control circuit operates the power switch at a frequency having a period;
a first switch having a first terminal, a second terminal, and a control terminal, the first terminal of the first switch configured to be coupled to a first terminal of the inductor and to a first terminal of a boost capacitor, the second terminal of the first switch configured to be coupled to a first terminal of a power source;
a second switch having a first terminal, a second terminal, and a control terminal, the first terminal of the second switch configured to be coupled to a second terminal of the boost capacitor, the second terminal of the second switch configured to be coupled to a second terminal of the power source, wherein the control circuit operates the first and second switches at the frequency and enables the first and second switches for substantially a first portion of the period; and
a third switch having a first terminal, a second terminal, and a control terminal, the first terminal of the third switch coupled to the first terminal of the second switch, the second terminal of the third switch coupled to the first terminal of the first switch, wherein the control circuit operates the third switch at the frequency and operates the third switch with a substantially opposite phase to the first switch.

US Pat. No. 10,193,440

SWITCH NETWORK OF A MULTILEVEL POWER CONVERTER ARCHITECTURE

WISCONSIN ALUMNI RESEARCH...

1. A power converter comprising:a capacitive divider including a first end providing a first converter terminal and a second end providing a second converter terminal attachable to a ground reference, the capacitive divider further including a plurality of capacitors connected in series between the first end and the second end;
a multilevel switch network including a plurality of levels, each level including at least one level switch, wherein each level switch comprises
a switch terminal;
two throw terminals;
a single-pole, double-throw switch (SPDT) having a pole and two throws, wherein each throw of the two throws is connected to a respective throw terminal of the two throw terminals, wherein the pole is electrically controllable to move between the two throws;
an inductor connected between the pole and the switch terminal; and
a capacitor connected between the two throw terminals;
wherein a number of level switches in successive levels of the plurality of levels decreases from a first level to a last level,
wherein the last level has a single level switch, wherein the switch terminal of the single level switch provides a third converter terminal and the two throw terminals of the single level switch are each connected to the switch terminal of the level switch of a previous level relative to the last level,
wherein each level switch of the first level is connected across a different capacitor of the capacitive divider to provide a switchable connection between the pole of a respective SPDT switch and each side of a respective different capacitor,
wherein each level switch of each remaining level includes a throw terminal of the two throw terminals connected to the switch terminal of a different level switch of the previous level relative to a current level;
and
at least one switch signal generator controlling a switching of the SPDT switches of the multilevel switch network to provide a power transformation between the first converter terminal and the third converter terminal.

US Pat. No. 10,193,439

POWER FACTOR CORRECTION CIRCUIT, CONTROL METHOD AND CONTROLLER

Silergy Semiconductor Tec...

1. A power factor correction circuit, comprising:a) a power meter configured to measure total harmonic distortion (THD) at an input port;
b) a switching-type regulator that is controllable by a switching control signal in order to adjust a power factor of an input signal thereof; and
c) a controller configured to generate said switching control signal to control said switching-type regulator to perform power factor correction, wherein said controller minimizes said THD by adjusting a current reference signal according to a measured THD, and said current reference signal represents an expected inductor current of said switching-type regulator.

US Pat. No. 10,193,437

BRIDGELESS AC-DC CONVERTER WITH POWER FACTOR CORRECTION AND METHOD THEREFOR

SEMICONDUCTOR COMPONENTS ...

1. A bridgeless AC-DC converter, comprising:a totem pole network having a first input adapted to be coupled to a second terminal of an AC voltage source, a second input adapted to be coupled to a first terminal of said AC voltage source through an inductor, an output terminal for providing an output voltage, and a return terminal;
an output capacitor having a first terminal coupled to said output terminal, and a second terminal coupled to a bulk ground terminal;
a sense element coupled between said return terminal and said bulk ground terminal; and
a controller circuit coupled to said return terminal of said totem pole network, wherein said controller circuit modulates an on time of an active switch in said totem pole network on a cycle-by-cycle basis by shortening said on time corresponding to an amount of time a current sense signal derived from a current through said sense element exceeds a current limit threshold.

US Pat. No. 10,193,436

SWITCHING POWER SUPPLY APPARATUS

FUJI ELECTRIC CO., LTD., ...

1. A switching power supply apparatus, comprising:a power converting device body including a resonance type DC-DC converter that has:
a series resonant circuit, formed by leakage inductance of an isolation transformer and a capacitor through which a primary winding of the isolation transformer is connected to a DC voltage source,
a first switching element, which is drivable by a control circuit to thereby cause an input voltage from the DC input voltage source to be applied to the series resonant circuit when the first switching element is ON,
a second switching element connected in parallel to the series resonant circuit, the second switching element being drivable to turn ON by the control circuit when the first switching element is OFF, so as to form a current path of the series resonant circuit,
a diode configured to rectify electric power generated by a secondary winding of the isolation transformer; and
an output capacitor configured to smoothen and output the electric power rectified by the diode;
the control circuit configured to drive the first and second switching elements, via a first drive control signal and a second drive control signal respectively, to alternately turn ON or OFF the first and second switching elements, to thereby resonate the series resonant circuit; and
an overload detecting circuit including
a comparator that receives a resonance voltage that is generated from the resonance of the series resonant circuit and a predetermined reference voltage, and compares the resonance voltage and the predetermined reference voltage,
a gate circuit that performs an AND operation on the first or second drive control signal and an output of the comparator,
a timer circuit that receives an output of the gate circuit, and, in response to falling of the resonance voltage below the predetermined reference voltage, generates an output that delays the output of the gate circuit for a first predetermined time period, and
a flip-flop having a set terminal receiving the output of the gate circuit and a reset terminal receiving the output of the timer circuit, so as to be
set responsive to the resonance voltage exceeding the predetermined reference voltage, and
reset after lapse of the first predetermined time period after the falling of the resonance voltage below the predetermined reference voltage,the overload detecting circuit being configured to stop operation of the control circuit upon determining that an output of the flip-flop continues to be in a set state over a second predetermined time period.

US Pat. No. 10,193,435

START-UP CIRCUIT TO DISCHARGE EMI FILTER FOR POWER SAVING OF POWER SUPPLIES

SEMICONDUCTOR COMPONENTS ...

1. A discharge circuit for an EMI filter having an X-capacitor, comprising:a monitor circuit configured to be coupled to the EMI filter to receive a rectified signal having a waveform that is correlated to a waveform of a power source that is filtered by the EMI filter;
a high voltage switch transistor configured to receive the rectified signal and form a sample signal having a waveform that that is correlated to the rectified signal, the high voltage switch transistor configured to charge a supply voltage;
when the power source is shut down over a period of time, a discharging path is provided to conduct a discharge current from the EMI filter through the high voltage switch transistor for discharging a stored voltage of the X-capacitor, wherein the discharging path is cut off when the power source is in an active state.

US Pat. No. 10,193,433

RAILWAY VEHICLE CONTROL APPARATUS

MITSUBISHI ELECTRIC CORPO...

1. A railway vehicle control apparatus comprising:a first power conversion device comprising a primary circuit and a secondary circuit, each including a switching element, each to operate as a power conversion circuit when the switching element is activated, and each to operate as a rectifier circuit when the switching element is deactivated, the first power conversion device performing bidirectional power conversions between a primary side and a secondary side; and
a controller to perform control to deactivate, when one of either the switching element of the primary circuit or the switching element of the secondary circuit is activated, the other switching element;
wherein, while an alternating current generator is stopped that is disposed on the primary side of the first power conversion device and driven by an internal combustion engine to output alternating current power, the controller activates the switching element of the secondary circuit and deactivates the switching element of the primary circuit such that the first power conversion device converts electric power input from the secondary side to supply electric power for causing the alternating current generator to operate; and
wherein, during operation of the alternating current generator, the controller activates the switching element of the primary circuit and deactivates the switching element of the secondary circuit such that the first power conversion device converts electric power supplied from the alternating current generator to output the converted electric power to the secondary side;
the railway vehicle control apparatus further comprising:
a second power conversion device, a primary side thereof being connected to the alternating current generator, to perform bidirectional power conversions between the primary side and a secondary side;
a smoothing capacitor connected to secondary side terminals of the second power conversion device and connected to terminals of the primary side of the first power conversion device; and
an inverter connected in parallel with the smoothing capacitor between the secondary side terminals of the second power conversion device;
wherein the controller further controls the second power conversion device;
wherein, while the alternating current generator is stopped: (i) the controller, in response to a start command of the internal combustion engine, activates the switching element of the secondary circuit, and deactivates the switching element of the primary circuit such that the first power conversion device converts electric power stored in an electric power storage device connected to the secondary side terminals of the first power conversion device to charge the smoothing capacitor; (ii) thereafter the controller controls the second power conversion device such that the second power conversion device converts electric power stored in the smoothing capacitor to supply electric power for causing the alternating current generator to operate; (iii) the internal combustion engine is started by a torque output by the alternating current generator to which electric power from the second power conversion device is supplied and (iv) when starting operation of the internal combustion engine is completed, the controller deactivates the switching element of the primary circuit and the switching element of the secondary circuit; and
wherein while the alternating current generator is operated: (i) the controller controls the second power conversion device such that the second power conversion device converts the electric power supplied from the alternating current generator to charge the smoothing capacitor; and (ii) thereafter, when the voltage of the smoothing capacitor is greater than or equal to a threshold and the inverter is in a state of capable of being activated, the controller activates the switching element of the primary circuit and deactivates the switching element of the secondary circuit such that the first power conversion device converts the electric power supplied to the secondary side terminals of the second power conversion device to charge the electric power storage device.

US Pat. No. 10,193,428

ELECTRIC ROTATING MACHINE

DENSO CORPORATION, Kariy...

1. An electric rotating machine comprising:a stator serving as an armature including at least armature core segments and an armature coil; and
a radially outer rotor and a radially inner rotor, both rotatably provided relative to the stator with gaps therebetween,
wherein the stator has the armature coil wound around the armature core segments with M pairs of poles (M being a natural number), and N pairs of field poles (N being a natural number),
each of the outer and inner rotors has K (K being a natural number) soft magnetic members including a plurality of protrusions on a side facing the stator, and
the armature coil, the field poles, and the soft magnetic members satisfy a relational expression of |M±N|=K.

US Pat. No. 10,193,421

SYSTEM FOR THERMAL MANAGEMENT IN ELECTRICAL MACHINES

GENERAL ELECTRIC COMPANY,...

1. A component of an electrical machine, the component comprising:a magnetic core comprising teeth defining a plurality of slots, wherein each slot from the plurality of slots is defined between corresponding pair of adjacent teeth;
a conduction winding wound around each tooth of the teeth such that each slot accommodates two conduction windings; and
a heat dissipating element disposed in a slot of the plurality of slots between the two conduction windings, wherein the heat dissipating element comprises a thermally conducting material having an in-plane thermal conductivity higher than a through-plane thermal conductivity and wherein the heat dissipating element comprises a sheet-like element having a largest plane substantially parallel to a radial direction of the component.

US Pat. No. 10,193,419

AIR GAP BAFFLE TRAIN FOR TURBINE GENERATOR

SIEMENS ENERGY, INC., Or...

1. A turbine generator baffle train apparatus, comprising:a plurality of linearly aligned baffle blocks, each respectively having an external circumferential profile adapted for sliding receipt within an axial slot of a turbine generator stator bore, a circumferential baffle sector portion on an upper surface for radially inwardly projection into a turbine generator bore when within a stator axial slot, a lower surface, and a thru bore;
at least one axial spacer rod, adapted for sliding receipt within a turbine generator stator axial slot, passing through the respective baffle block thru bores;
at least one locking engagement member coupling each respective baffle block to the at least one axial spacer rod at an axial location corresponding to a desired axial location of the circumferential baffle sector within a generator bore;
a selectively reciprocating wedge block rod adapted for orientation within a turbine generator stator axial slot under the baffle blocks lower surfaces;
a plurality of linearly aligned wedge blocks that are axially spaced relative to each other and coupled to the wedge block rod in axial positions corresponding to each baffle block axial position, each wedge block respectively having an external circumferential profile adapted for sliding receipt within a turbine generator stator axial slot under the baffle blocks lower surfaces; and
a plurality of biasing elements adapted for sliding receipt within a turbine generator stator axial slot, respectively adapted for biasing the upper surface of a corresponding baffle block toward a stator bore when a corresponding wedge block is axially aligned with a baffle block lower surface.

US Pat. No. 10,193,399

POWER SUPPLY DEVICE

FUNAI ELECTRIC CO., LTD.,...

1. A power supply device, comprising:a power supply part, capable of supplying a power to a plurality of external devices;
a communication part, capable of communicating with the external devices; and
a controller, disconnecting communication with one or more of the external devices based on a comparison of a power supplied information and predicted values of the power supplied information of the external devices in a case that a number of requests for a communication from the external devices exceeds a number that the communication part is capable of communicating with at the same time.

US Pat. No. 10,193,358

DEEP-CHARGING POWER RESOURCES OF POWER RESOURCE GROUP HAVING IDENTIFIER CORRESPONDING TO RANGE WITHIN WHICH MODULO FALLS BASED ON CHARGING TIME

HEWLETT PACKARD ENTERPRIS...

1. A method comprising:determining a total number of minutes that have elapsed since a reference time;
computing a product of a number of power resource groups and a time to charge, each power resource group comprising a plurality of power resources, the time to charge specifying a length of time to charge each power resource;
computing a modulo of the determined total number of minutes divided by the computed product;
deep-charging power resources of a given power resource group responsive to the computed modulo being inside a range based on a numeric identifier of the given power resource group and the time to charge;
determining that the given power resource group is within a threshold amount of time from a start or an end of a charging window associated with the given power resource group;
starting deep-charging of the given power resource group responsive to determining that the given power resource group is at the threshold amount of time from the start of the charging window; and
ending deep-charging of the given power resource group responsive to determining that the given power resource group is at the threshold amount of time from the end of the charging window.

US Pat. No. 10,193,351

HYBRID DISTRIBUTED LOW VOLTAGE POWER SYSTEMS

COOPER TECHNOLOGIES COMPA...

1. A hybrid distributed low voltage power system, comprising:a first primary power source that distributes line voltage power during a first mode of operation and fails to distribute the line voltage power during a second mode of operation, wherein the first mode of operation is when a market price for the line voltage power is less than a threshold value, and wherein the second mode of operation is when the market price for the line voltage power is greater than the threshold value;
a first secondary power source that receives an input signal during the first mode of operation and distributes a reserve signal during the second mode of operation, wherein the reserve signal is generated from the input signal;
a power distribution module (PDM) coupled to the first primary power source and the first secondary power source, wherein the PDM comprises a first power transfer device and a first output channel, wherein the PDM receives the line voltage power from the first primary power source during the first mode of operation, and wherein the first power transfer device generates a first low-voltage (LV) signal using the line voltage power during the first mode of operation; and
at least one first LV device coupled to the first output channel of the PDM, wherein the at least one LV device operates using the first LV signal generated by the PDM during the first mode of operation, and wherein the at least one first LV device receives a reserve LV signal based on the reserve signal during the second mode of operation,
wherein the LV signal is up to 100 VAC or up to 60 VDC, and
wherein the input signal is generated by the primary power source or the PDM.

US Pat. No. 10,193,344

POWER STORAGE SYSTEM, POWER STORAGE MODULE, AND CONTROL METHOD

MURATA MANUFACTURING CO.,...

1. A power storage system, comprising:a plurality of power storage modules that are connected in parallel to a power line; and
a system voltage acquisition unit that obtains a system voltage in the power line,
a power storage module of the plurality of power storage modules including:
a power storage section that is formed of one or more storage batteries, and
a current control unit that comprises at least one variable resistor and a resistance control unit,
wherein the resistance control unit sets a resistance value of the at least one variable resistor based on a voltage difference that exceeds a threshold voltage,
wherein the voltage difference is between a voltage of the power storage section and the system voltage, and
wherein the current control unit controls a current that flows between the power storage section and the power line according to the set resistance value.

US Pat. No. 10,193,316

CORRUGATED TUBE AND WIRE HARNESS

YAZAKI CORPORATION, Toky...

1. A corrugated tube, which has a tubular shape and is configured such that a conductor path is inserted into an inside the tubular shape thereof, the corrugated tube comprising:a bellow portion having recessed grooves and projecting stripes which are alternately arrayed in a longitudinal direction of the tubular shape and extend in a circumferential direction of the tubular shape; and
a rib formed in a portion of the bellow portion in the longitudinal direction, extending in the longitudinal direction, wherein
at least one of corners of a sectional shape of the rib viewed from the longitudinal direction is a curved portion having a predetermined curvature radius, and
the rib intersects more than two of the projecting stripes.

US Pat. No. 10,193,314

POWER DISTRIBUTION PANEL WITH MODULAR CIRCUIT PROTECTION ELEMENTS

CommScope Technologies LL...

8. A body element of a circuit module comprising:a main body sized to be received into a slot of a power panel;
a bullet-nosed input power connection extending rearwardly from the main body;
an output power bus extending rearwardly from the main body, the output power bus including an output terminal;
an electrical connector on a rear side of the main body and positioned for connection to a backplane of a power panel; and
a pair of bullet-nosed connector receptacles in a front side of the main body, the pair of bullet nosed connector receptacles spaced apart to receive bullet-nosed connectors of a circuit protection module.

US Pat. No. 10,193,312

HIGH FREQUENCY DISCHARGE IGNITION APPARATUS

Mitsubishi Electric Corpo...

1. A high frequency discharge ignition apparatus for coupling high frequency energy supplied from a high frequency energy supply circuit, with a high voltage pulse supplied from an ignition coil, and supplying the coupled energy to an ignition plug, the high frequency discharge ignition apparatus comprising:a first housing having therein an output circuit for supplying the coupled energy to the ignition plug;
a second housing having therein the high frequency energy supply circuit; and
a connection member electrically connecting the output circuit and the high frequency energy supply circuit to each other, wherein
the first housing and the second housing are fixed to each other with faces thereof opposed to each other, and
the connection member is connected via pass-through portions provided at positions that are close to each other in the respective opposed faces.

US Pat. No. 10,193,308

SEMICONDUCTOR LASER WITH TENSILE STRAINED INALAS ELECTRON BLOCKER FOR 1310 NANOMETER HIGH TEMPERATURE OPERATION

Intel Corporation, Santa...

1. A multiple quantum well (MQW) laser for operating at high temperatures, comprising:at least one quantum well made of compressively strained Indium-Gallium-Aluminum-Arsenide (InGaAlAs) layers that are alternatively stacked with tensile strained InGaAlAs layers;
the at least one quantum well surrounded on one side by a n-doped cladding of Indium-Phosphide (InP) and on another side by a p-doped cladding of InP so as to form a double hetero-junction;
a confinement layer of lattice-matched Indium Aluminum Arsenide (InAlAs)
provided between the at least one quantum well and the p-doped InP cladding, the confinement layer having a first surface facing or adjacent to the quantum wells and a second surface facing or adjacent to the p-doped InP cladding;
an additional electron containment layer of tensile strained InAlAs, having a thickness smaller than that of the confinement layer, and provided either facing or adjacent to a surface of the confinement layer or between the two surfaces of the confinement layer.

US Pat. No. 10,193,305

WAVELENGTH TUNABLE LASER DEVICE AND LASER MODULE

FURUKAWA ELECTRIC CO., LT...

1. A wavelength tunable laser device, comprising:a laser cavity formed of a grating and a reflecting mirror optically coupled to the grating, said reflecting mirror including a ring resonator filter;
a gain portion arranged within the laser cavity; and
a phase adjusting portion arranged within the laser cavity,
wherein the grating forms a first comb-shaped reflection spectrum,
wherein the ring resonator filter of the reflecting mirror includes:
a ring-shaped waveguide; and
two arms that are respectively optically coupled to different points of the ring-shaped waveguide,
wherein the reflecting mirror further includes a coupler that unites respective ends of said two arms of the ring resonator filter on one end and that is optically coupled to the grating on another end,
wherein the reflecting mirror forms a second comb-shaped reflection spectrum having peaks of a narrower full width at half maximum than a full width at half maximum of peaks in the first comb-shaped reflection spectrum at a wavelength interval differing from a wavelength interval of the first comb-shaped reflection spectrum,
wherein the grating and the reflecting mirror are configured such that one of the peaks in the first comb-shaped reflection spectrum and one of the peaks in the second comb-shaped reflection spectrum are overlappable on a wavelength axis,
wherein the wavelength tunable laser device is configured to adjust a refractive index of the phase adjusting portion such that one of the cavity modes of the laser cavity enters an overlap region in which said one of the peaks in the first comb-shaped reflection spectrum and said one of the peaks in the second comb-shaped reflection spectrum are overlapped, thereby achieving laser oscillation at a wavelength of said one of the cavity modes,
wherein the laser cavity is configured such that a spacing between cavity modes is narrower than the full width at half maximum of the peaks in the first comb-shaped reflection spectrum, and such that two or more of the cavity modes are included within a peak in the first comb-shaped reflection spectrum,
wherein the wavelength tunable laser device is configured to adjust the refractive index of the phase adjusting portion so as to shift said two or more cavity modes on the wavelength axis and align only one of said two or more cavity modes with said overlap region, thereby achieving single mode laser oscillation at said one of said two or more cavity modes,
wherein the peaks in the second comb-shaped reflection spectrum protrude up higher than the peaks in the first comb-shaped reflection spectrum, and
wherein the refractive index of the phase adjustable portion is adjustable while maintaining a state in which the peaks in the second comb-shaped reflection spectrum protrude up higher than the peaks in the first comb-shaped reflection spectrum.

US Pat. No. 10,193,304

FAILSAFE PULSED LASER DRIVER

INTEL CORPORATION, Santa...

1. An apparatus comprising:a laser array having a plurality of lasers; and
a laser driver coupled to the laser array, wherein the laser driver comprises
a current limiter to limit a maximum current provided to the laser array at or below a combined threshold current of lasers in the laser array;
one or more capacitors coupled to current limiter and the laser array, the one or more capacitors to be charged in response to current from the current limiter;
a switch coupled to the one or more capacitors operable to cause current from the one or more capacitors to flow through the laser array.

US Pat. No. 10,193,293

SEMICONDUCTOR INSPECTION AND METROLOGY SYSTEM USING LASER PULSE MULTIPLIER

KLA-Tencor Corporation, ...

1. A method of generating output pulsed light at an output repetition pulse rate that is a multiplication factor greater than an input repetition pulse frequency of input laser pulses, the method comprising:optically splitting each input laser pulse of the input laser pulses into a plurality of pulses;
reflecting the plurality of pulses using a mirror and one or more multi-surface reflecting components including one or more partially reflective surfaces operably arranged and spaced apart such that the plurality of pulses are grouped into pulse trains that are of approximately equal energy and are approximately equally spaced in time; and
transmitting a set of the pulse trains as the output pulsed light.

US Pat. No. 10,193,292

JIG AND PRESS-FITTING DEVICE COMPRISING THIS JIG

J.S.T. MFG. CO., LTD., O...

1. A jig for guiding insertions of a plurality of press-fit terminals, comprising:a jig unit for installing the plurality of press-fit terminals which have shoulders and press-fit sections being formed wider than a width of a terminal main body and are arranged in at least one row, the jig unit being assembled by a plurality of plate-shaped bodies made of metal, wherein the jig unit comprises:
at least one sheet of movable guide member being formed in a comb-teeth shape having a plurality of guide grooves extending along a vertical direction into which the terminal main bodies can be fitted,
at least one sheet of insertion punch being formed in a comb-teeth shape having a plurality of punch grooves extending along the vertical direction corresponding to the guide grooves and being formed with pressing sections at the punch grooves for pressing the shoulders of the press-fit terminals, and
one sheet of rear surface plate body,
wherein the at least one sheet of movable guide member and the at least one sheet of insertion punch are alternately disposed along a front and a rear direction orthogonal to the vertical direction so that each surface of the at least of one sheet of movable guide member and the at least one sheet of insertion punch is faced to each other,
wherein the movable guide member and the rear surface plate body are attached so as to be upwardly and downwardly movable with respect to the insertion punch, and wherein when the press-fit terminals are installed to a member to be installed, and during the press-fit sections are adapted to be press fitted to the member to be installed by the insertion punch, the movable guide member and the rear surface plate body move upward with respect to the insertion punch after the lower ends of the movable guide member and the insertion punch are adapted to abut to the member to be installed.

US Pat. No. 10,193,281

ELECTRICAL CONNECTOR ASSEMBLY HAVING A SHIELD ASSEMBLY

TE CONNECTIVITY CORPORATI...

1. A connector assembly for terminating a cable having a cable shield that is electrically conductive, the connector assembly comprising:a backshell that is electrically conductive comprising a body that extends from a mating end to a cable end along a mating axis of the connector assembly, the backshell configured to provide shielding for an electrical connector configured to be received in the backshell at the mating end, the cable end comprising a cable channel that extends through the body and is configured to hold an end segment of the cable therein;
a shield assembly comprising a clamp system, wherein the clamp system is electrically conductive and held within the cable end of the body of the backshell, the clamp system comprising a front clamping member and a rear clamping member, the cable shield of the cable configured to terminate to the front clamping member and to the rear clamping member of the clamp system between the front clamping member and the rear clamping member; and
an electromagnetic interference (EMI) gasket, wherein the EMI gasket is electrically coupled to the backshell and held within the cable end of the body of the backshell, the EMI gasket comprising a backshell interface and a clamp interface, wherein the backshell interface is configured to engage the backshell and the clamp interface is configured to engage an exterior surface of at least one of the front clamping member or the rear clamping member of the clamp system.

US Pat. No. 10,193,276

CONNECTOR HOUSING ASSEMBLY WITH COUPLING STRUCTURES

Sumitomo Wiring Systems, ...

1. A connector housing assembly configured to house an electrical connector, the connector housing assembly comprising:a connector housing having a pair of side walls, a front wall, a back wall, and a bottom wall defining a connector cavity configured to receive an electric connector and having a plurality of terminal cavities;
a terminal position assurance having a top surface, a bottom surface, a plurality of first terminal slots, and a pair of walls, the terminal position assurance configured to be seated in the connector cavity;
a male blade stabilizer having a top surface, a bottom surface, a plurality of second terminal slots, and an aperture having a pair of inner edges defining sides of the aperture, wherein each of the pair of inner edges is offset from the other, the male blade stabilizer is configured to be seated in the connector cavity over the terminal position assurance, wherein a width of each of the pair of walls of the terminal position assurance is the same length as a corresponding one of the pair of inner edges of the aperture and abuts the corresponding inner edges of the aperture when the male blade stabilizer is seated over the terminal position assurance.

US Pat. No. 10,193,273

PLUG-IN CONNECTION HAVING A LOCKING ELEMENT

1. A connector assembly comprising:a plug connector housing;
a mating plug connector that can be assembled with the housing;
a superstructure on the housing;
a locking element receivable in the superstructure and movable therein between a partially latched position and a fully latched position;
first mutually complementary latch formations on the plug connector and on the locking element that prevent movement of the locking element from the partially latched position out of the superstructure prior to insertion of the mating plug connector into the housing;
second mutually complementary latch formations on the mating plug connector and on the locking element, the second mutually complementary latch formations being actuated by insertion of the mating plug connector into the plug connector so that the locking element can be moved into its fully latched position; and
third mutually complementary latch formations on the plug connector housing and on the locking element that lock together the locking element and the plug connector only when the locking element has been moved into the fully latched position.

US Pat. No. 10,193,266

ELECTRICAL CONNECTOR DEVICE

1. An electrical connector device comprising a signal terminal housing and a protective casing, a first opening disposed at a rear end of the signal terminal housing, and a plurality of slots disposed at an upper portion of a front end of the signal terminal housing, a second opening disposed at a front end of the protective casing, and a first round hole disposed at a rear end of the protective casing, wherein a shell is disposed at the second opening of the front end of the protective casing, the shell is hollow, and a third opening is disposed at a front end of the shell and is used to receive the rear end of the signal terminal housing having the first opening, a second round hole corresponding to the first round hole of the rear end of the protective casing is disposed at a rear end of the shell;wherein an open space is disposed at a front half section of a front face of the shell, and a shield plate is disposed at a rear half section of the front face of the shell, a mouth is disposed at the shield plate, a sheet extends from an edge of the mouth;
wherein the sheet extending from the edge of the mouth of the shield plate is set to abut against the signal terminal housing, a recess is disposed at an upper portion of the rear end of the signal terminal housing, the sheet extending from the edge of the mouth of the shield plate is set to abut against and in the recess of the upper portion of the rear end of the signal terminal housing.

US Pat. No. 10,193,265

PROTECTIVE CAP

YAZAKI CORPORATION, Toky...

1. A protective cap used when a male inner housing to which a plurality of male terminals and a plurality of electric wires are attached is passed through a bellows-shaped tubular portion of a grommet in a case that a connector is to be used, a male outer housing mounted on an annular seal portion of the grommet and the male inner housing accommodated in an inner housing accommodating chamber in the male outer housing in a state where the male inner housing accommodates and holds the male terminals connected to the electric wires constitutes the connector, the protective cap comprising:a cap main body having circular shape and including an accommodating recessed portion configured to accommodate tab portions of the male terminals protruding more than a front face of the male inner housing, at least a front side of the male inner housing being fitted into the accommodating recessed portion,
wherein
an outer diameter of the cap main body is smaller than an inner diameter of the bellows-shaped tubular portion of the grommet, and
the cap main body comprises a disc-shaped front portion that covers the male terminals protruding more than the front face of the male inner housing.

US Pat. No. 10,193,262

ELECTRICAL DEVICE HAVING AN INSULATOR WAFER

TE CONNECTIVITY CORPORATI...

1. An electrical device comprising:a substrate having a signal contact and a ground contact along a surface of the substrate;
an insulator wafer having a front surface, a rear surface, and an opening, the front surface facing the signal contact, the insulator wafer also having an upper edge and a lower edge, wherein the insulator wafer is disposed inside the electrical device between the substrate and a ground bus bar; and
a communication cable including a signal conductor, an insulator surrounding the signal conductor, and a shield layer that surrounds the insulator, wherein the upper edge of the insulator wafer is substantially planar with the shield layer of the communication cable; wherein the insulator has a terminating end and the shield layer has a terminating end substantially coplanar with the terminating end of the insulator, a terminating end of the signal conductor extending beyond the terminating end of the insulator; wherein the terminating end of the signal conductor projects through the opening of the insulator wafer to electrically couple with the signal contact, the insulator wafer electrically isolating the shield layer from the signal contact;
wherein the front surface of the insulator wafer pressingly seats against the signal contact.

US Pat. No. 10,193,261

GENDERLESS ELECTRIC TERMINALS FOR VEHICLES

Ford Global Technologies,...

1. A genderless terminal comprising:a first arm;
a second arm opposite the first arm;
a wall integrally connecting the first arm and the second arm to define a slot, wherein the first arm, the second arm, and the wall extends a length of the genderless terminal; and
a first flexible contact extending from a first end of the first arm and protruding into the slot to engage a first arm of a different genderless terminal.

US Pat. No. 10,193,259

RECEPTACLE CONNECTOR HOUSING WITH HOLD-DOWN RIBS

TE CONNECTIVITY CORPORATI...

1. A receptacle connector comprising:a housing including a mating end and a cable end and defining a cavity therebetween, the housing including a top wall, a bottom wall, and first and second side walls that extend between and connect the top wall and the bottom wall, the housing including a first hold-down rib in a first corner region of the cavity defined by the top wall and the first side wall, and a second hold-down rib in a second corner region of the cavity defined by the top wall and the second side wall, the first hold-down rib extending from the first side wall, the second hold-down rib extending from the second side wall; and
a terminal held in the cavity of the housing, the terminal having a contact segment that includes a floor and first and second rolled walls that extend from the floor, the floor engaging the bottom wall of the housing, the contact segment defining a receptacle configured to receive a mating tab contact therein through the mating end of the housing,
wherein the first hold-down rib extends over the terminal and is configured to engage an outer surface of the first rolled wall of the terminal and the second hold-down rib extends over the terminal and is configured to engage an outer surface of the second rolled wall of the terminal such that the terminal is held vertically between the bottom wall of the housing and the first and second hold-down ribs of the housing to limit vertical float of the terminal within the cavity.

US Pat. No. 10,193,253

SLANTED TYPE CARD EDGE CONNECTOR ASSEMBLY

FOXCONN INTERCONNECT TECH...

1. A card edge connector for mounting to a printed circuit board, comprising:an insulative housing including a pair of side walls extending along a longitudinal direction with a central slot therebeween in a transverse direction perpendicular to said longitudinal direction;
said housing forming a mounting face for mounting toward the printed circuit board wherein the housing extends in a plane oblique to said mounting face;
a pair of towers located at two ends of the housing in said longitudinal direction, each of said towers including a lower part and an upper part extending in a vertical direction perpendicular to both said longitudinal direction and said transverse direction; and
a pair of ejectors rotatably disposed in the corresponding towers, respectively; wherein
a width of the upper part along the transverse direction is dimensioned smaller than that of the lower part for densely arranging, on the printed circuit board, two card edge connectors in a front-to-back direction which is perpendicular to the longitudinal direction while being oblique to both said vertical direction and said transverse direction;
wherein the upper part has a recess in a downward face for receiving a bottom region of the lower part of the tower of another card edge connector therebehind in said front-to-back direction.

US Pat. No. 10,193,249

CONNECTOR COMPONENT AND RETENTION MECHANISM FOR M.2 FORM FACTOR MODULE

Hewlett-Packard Developme...

1. A connector system, comprising:a connector component including a first connector portion and a second connector portion, the first connector portion comprising a plurality of contacts to couple with a printed circuit board, and the second connector portion comprising a plurality of contacts to couple with a first end of a M.2 form factor module; and
a retention mechanism mounted on a system component, the retention mechanism to retain a second end of the M.2 form factor module, the retention mechanism positioned directly above the connector component along an axis that extends perpendicularly from a planar surface of the printed circuit board, wherein the system component is fixedly coupled directly to the printed circuit board, wherein the retention mechanism comprises at least one selected from an attachment screw and a retaining post;
wherein the second connector portion is to receive the M.2 form factor module in an upright orientation such that neither a front surface nor a rear surface of the M.2 form factor module substantially faces the planar surface of the printed circuit board,
wherein the system component is adjacent to the connector component on the printed circuit board;
wherein the system component is a power supply.

US Pat. No. 10,193,247

ELECTRICAL CONTACT SPRING WITH EXTENSIONS

Lear Corporation, Southf...

1. An electrical terminal assembly comprising:a contact member including a contact base that defines an interior space and a plurality of contact arms that extends from the contact base in an arm direction; and
a spring member supported on the contact member and including a spring base that extends through the interior space, a plurality of spring arms that extends from the spring base in the arm direction and engages the plurality of contact arms, a shroud that extends in the arm direction around and beyond the contact arms, and a shroud extension that extends from the shroud opposite the arm direction and engages the contact base.

US Pat. No. 10,193,246

MULTIPURPOSE SOCKET FOR ELECTRICAL UTILITY REPAIR APPLICATION

1. A socket for engaging a bolt of a hot line clamp, the socket comprising:a socket comprising a cylindrical socket body having an open top end and an open bottom end, the open bottom end having a square inner surface for mating with a drill;
two upwardly protruding diametrically-opposed protuberances for straddling and mating with an eyelet of a hot line clamp, the eyelet sharing a common axis with the socket;
wherein the socket is adapted to rotate axially to tighten a line clamp.

US Pat. No. 10,193,242

PRINTED CIRCUIT BOARD BASED COMMUNICATIONS PLUGS THAT ARE SUITABLE FOR FIELD TERMINATION AND PATCH CORDS INCLUDING SUCH PLUGS

CommScope, Inc. of North ...

18. A method of terminating a communications cable into a communications plug, the method comprising:mounting first through eighth wire connection terminals on a rear portion of a printed circuit board so that the first through eighth wire connection terminals extend rearwardly of a rear edge of the printed circuit board;
mounting first through eight plug blades on a forward portion of the printed circuit board;
mounting the printed circuit board within a housing of the communications plug;
terminating first through eighth insulated conductors of the communications cable into a wire guide; and then
inserting the wire guide into the housing to terminate the first through eighth insulated conductors into the respective first through eighth wire connection terminals.

US Pat. No. 10,193,238

DIPOLE ANTENNA ELEMENT WITH OPEN-END TRACES

CommScope Technologies LL...

1. A base station antenna, comprising:an array of low-band radiating elements that are configured to operate in a first frequency band; and
an array of high-band radiating elements that are configured to operate in a second frequency band that encompasses frequencies that are higher than frequencies of the first frequency band,
wherein a first of the low-band radiating elements comprises a first printed circuit board feed stalk that includes:
a feed line that includes a balun; and
an open-ended trace that is electrically connected to a ground plane and that is configured to reduce the flow of radio frequency energy in the second frequency band on the first printed circuit board feed stalk,
wherein the open-ended trace has a length that is a quarter wavelength of a wavelength corresponding to the second frequency band.

US Pat. No. 10,193,236

HIGHLY ISOLATED SECTOR ANTENNA FOR CONCURRENT RADIO OPERATION

Amazon Technologies, Inc....

1. A mesh network device comprising:a metal housing having four side walls that form an inner chamber in a center of the metal housing;
four sectored reflectors, each of the four sectored reflectors disposed at an outer surface of one of the four side walls, each of the four sectored reflectors comprises at least three reflective side walls;
a circuit board disposed within the inner chamber;
a top antenna disposed on a top side of the circuit board within the inner chamber of the metal housing;
a bottom antenna disposed on a bottom side of the circuit board within the inner chamber of the metal housing; and
four pairs of phased array dipole antennas, wherein each of the four pairs is disposed within a recessed region of a respective one of the four sectored reflectors, wherein a first sectored reflector of the four sectored reflectors reflects electromagnetic energy, radiated by a first pair of the four pairs, in a first radiation pattern in a first direction along a center axis of the first sectored reflector, wherein a first phased array dipole antenna of a first pair is disposed inside a first recessed region of a first sectored reflector of the four sectored reflectors, wherein a second phased array dipole antenna of the first pair is disposed inside the first recessed region of the first sectored reflector, wherein the first phased array dipole antenna comprises a first plurality of elements arranged in a linear fashion on a first antenna carrier disposed within the first recessed region, wherein the second phased array dipole antenna comprises a second plurality of elements arranged in a linear fashion on a second antenna carrier disposed within the first recessed region, the second antenna carrier being offset from the first antenna carrier within the first recessed region.

US Pat. No. 10,193,233

LINEARLY POLARIZED ACTIVE ARTIFICIAL MAGNETIC CONDUCTOR

HRL Laboratories, LLC, M...

1. An active artificial magnetic conductor comprising: an array of unit cells arranged in a plurality of rows and columns, each unit cell comprising an electrically conductive patch spaced from a ground plane, the electrically conductive patches of the unit cells arranged in each column of unit cells being coupled via a Non-Foster Circuit (NFC) impedance element to an electrically conductive patch of a neighboring unit cell in each column of unit cells and the electrically conductive patches of the unit cells arranged in each row of unit cells being connected via an electrically conductive isolating wall to said ground plane at a mid point of each electrically conductive patch in the row of unit cells, the electrically conductive isolating walls of the rows of unit cells comprising electrically conductive material which occupies a majority of space between opposing edges of electrically conductive patches in each row of unit cells.

US Pat. No. 10,193,232

DOUBLE-LAYER PLANAR PHASE MODULATION DEVICE

TSINGHUA UNIVERSITY, Bei...

1. A double-layer planar phase modulation device, comprising:an upper patch; and
a lower patch, disposed opposite to the upper patch,
wherein a shape of the lower patch is similar to that of the upper patch, and the lower patch is electrically connected with the upper patch,
wherein the upper patch has a regular-polygon shape, each corner of the upper patch is provided with an upper groove extending along a radial direction of the upper patch, and an external end of the upper groove is open; and
each corner of the lower patch is provided with an lower groove extending along a radial direction of the lower patch, and an external end of the lower groove is open,
wherein the upper patch is connected with the lower patch via a plurality of conductive members, and the conductive member is configured as a metal via hole or a metal pillar, in which one end of the conductive member is connected with the upper patch, and the other end of the conductive member is connected with the lower patch, and
wherein one conductive member is disposed between two adjacent upper grooves, one conductive member is disposed between two adjacent lower grooves, and one upper groove and one lower groove are disposed between two adjacent conductive members.

US Pat. No. 10,193,228

ANTENNA FOR NEAR FIELD SENSING AND FAR FIELD TRANSCEIVING

The United States of Amer...

1. An antenna, comprising:a first electrical conductor having first and second ends, said first electrical conductor shaped to form a first spiral between said first and second ends, said first and second ends remaining electrically unconnected such that said first electrical conductor so-shaped is maintained as an unconnected single-component open-circuit having inductance and capacitance wherein, in the presence of a time-varying electromagnetic field, said first electrical conductor so-shaped resonates to generate a radiation pattern;
a second electrical conductor including a loop portion overlapping at least a portion of said first spiral, said second electrical conductor being electrically isolated from said first electrical conductor;
a radio frequency transceiver electrically couple to said second electrical conductor for exciting said loop portion with electromagnetic energy wherein said time-varying electromagnetic field is generated in the presence of said first spiral; and
a third electrical conductor having first and second ends, said third electrical conductor shape to form a second spiral between said first and second ends of said third electrical conductor, said first and second ends of said third electrical conductor remaining electrically unconnected such that said third electrical conductor so-shaped is maintained as an unconnected single-component open-circuit having inductance and capacitance, wherein said third electrical conductor so-shaped experiences resonance changes when subjected to environmental changes of interest, and wherein said loop portion is disposed between said first spiral and said second spiral,
wherein said radiation pattern is modulated with said resonance changes.

US Pat. No. 10,193,224

SUBMINIATURE PHOTO PHASED ARRAY ANTENNA

KOREA ADVANCED INSTITUTE ...

1. A device constituting a photonic phased array antenna, the device comprising:a low-refractive dielectric substrate;
a nano-structured thin film formed on the low-refractive dielectric substrate; and
a high-refractive semiconductor waveguide formed over the low-refractive dielectric substrate and configured to operate in a single mode in the nano-structured thin film,
wherein an antenna radiating a phase-modulated light wave to a free space is miniaturized to concentrate a radiated beam of a phased array antenna and to widen a scanning range.

US Pat. No. 10,193,222

WIRELESS COMMUNICATION MODULE

MURATA MANUFACTURING CO.,...

1. A wireless communication module comprising:a dielectric substrate;
a ground layer disposed within the dielectric substrate;
an antenna pattern disposed so as to be closer to a first surface of the dielectric substrate than the ground layer is and operating as an antenna;
a high-frequency device mounted in or on a second surface of the dielectric substrate opposite to the first surface, and supplying a high-frequency signal to the antenna pattern; and
a plurality of signal conductor columns and a plurality of ground conductor columns projecting from the second surface and comprising a conductive material,
wherein each of the signal conductor columns is connected to the high-frequency device by a wiring pattern provided in or on the dielectric substrate,
wherein each of the ground conductor columns is connected to the ground layer, and
wherein an end of each of the plurality of signal conductor columns and an end of each of the plurality of ground conductor columns are electrically connected to terminals of a mounting substrate.

US Pat. No. 10,193,219

SYSTEM AND METHOD FOR RECONFIGURABLE POLYMER ANTENNA

The Boeing Company, Chic...

1. An antenna comprising:an ion exchange material; and
multiple polymer members coupled to a communication circuit, the multiple polymer members including a first polymer member and a second polymer member coupleable in series via one or more switches, wherein at least one of the multiple polymer members, responsive to receiving a bias voltage, interacts with the ion exchange material to change electrical conductivity of the at least one of the multiple polymer members, wherein the at least one of the multiple polymer members is a polymer antenna for wirelessly transmitting and receiving communication signals.

US Pat. No. 10,193,218

STRUCTURAL REINFORCEMENT FOR AN ANTENNA SYSTEM ON AN AIRCRAFT

The Boeing Company, Chic...

1. An apparatus comprising:a reinforcement structure associated with an airframe for a fuselage of an aircraft, wherein the reinforcement structure is configured to accommodate forces from an antenna system attached to the reinforcement structure, wherein the antenna system includes an antenna selected from a plurality of types of antennas; and
connection points on the reinforcement structure, wherein the connection points are for attachment of an antenna adapter plate in the antenna system in which the antenna adapter plate is configured to receive any one of the plurality of types of antennas;
wherein the reinforcement structure is affixed to and beneath a skin of the airframe for the fuselage of the aircraft.

US Pat. No. 10,193,215

ANTENNA DEVICE AND MOBILE TERMINAL

AAC TECHNOLOGIES PTE. LTD...

1. An antenna device, comprising:a metal back plate;
a metal frame surrounding a periphery of the metal back plate and is connected with the metal back plate; and
a radiator configured to receive and radiate electromagnetic waves;
wherein the metal back plate and the radiator are spaced so as to from a gap, the gap comprises a first gap provided along a short axis direction of the metal back plate and a second gap and a third gap which are bended and extend from two ends of the first gap, respectively, a length of the first gap is smaller than a width of the metal back plate along its short axis;
wherein an extending direction of the second gap is same to that of the third gap and at least a part of the radiator is surrounded by the metal back plate.

US Pat. No. 10,193,213

SELF-ADAPTIVE ANTENNA SYSTEMS FOR ELECTRONIC DEVICES HAVING MULTIPLE FORM FACTORS

Microsoft Technology Lice...

1. An electronic device that is configurable to be transitioned from a first operating mode having a first form factor to a second operating mode having a second form factor, the electronic device comprising:a first device portion that includes a radio frequency (RF) antenna; and
a second device portion that is connected to the first device portion and includes a first antenna adaptation element;
the first antenna adaptation element being positioned more closely to the RF antenna in the second operating mode than in the first operating mode and the first antenna adaptation element being configured to, in the second operating mode, passively counteract a shifting of first and second resonant frequencies of the RF antenna that would otherwise occur as a result of the electronic device being transitioned from the first operating mode to the second operating mode so that the first resonant frequency of the RF antenna remains within a first target frequency band for RF communication and the second resonant frequency of the RF antenna remains within a second target frequency band for RF communication.

US Pat. No. 10,193,211

SMARTCARDS, RFID DEVICES, WEARABLES AND METHODS

1. An RFID device comprising:an RFID chip (IC);
a module antenna (MA) connected to the RFID chip (IC);
a coupling frame (CF) having a slit (S) or non-conductive stripe (NCS) overlapping at least a portion of the module antenna (MA); and
a capacitor connected across the slit (S) or non-conductive stripe (NCS).

US Pat. No. 10,193,209

MAT BASED ANTENNA AND HEATER SYSTEM, FOR USE DURING MEDICAL PROCEDURES

Covidien LP, Mansfield, ...

1. A mat based antenna and heater system for use in detecting transponder tagged objects which are used in performing medical procedures, the mat based antenna and heater system comprising:a first sheet of an electrically insulative material that is sized to support at least a portion of a patient, the first sheet having an upper face and a lower face opposed to the upper face;
a plurality of antennas positioned successively along at least a portion of a length of the first sheet, the antennas sized and dimension to oscillate in at least one of an RF or microwave frequency range in response to a signal;
a first layer of silicon carried by the upper face of the first sheet;
a second layer of silicon carried by the lower second face of the first sheet;
a gel layer positioned relatively above the first layer of silicon with respect to the first sheet;
a foam layer spaced relatively above the gel layer with respect to the first sheet; and
at least one electrical resistance heater element positioned along at least a portion of length of the foam layer, the at least one electrical resistance heater element sized and dimension to dissipate heat in response to a current passing therethrough without oscillation in at least one of the RF or microwave frequency range.

US Pat. No. 10,193,208

WIRELESS DISTRIBUTION USING CABINETS, PEDESTALS, AND HAND HOLES

CenturyLink Intellectual ...

1. A method, comprising:placing one or more first lines in a first channel in a first ground surface;
placing a capping material in the first channel;
placing a container in a second ground surface;
placing one or more second lines in a second channel in a third ground surface, the second channel connecting the container and the first channel;
providing an antenna within a signal distribution device, the signal distribution device comprising the container, a top portion of the container being substantially level with a top portion of the second ground surface, and a pedestal disposed above the top portion of the container, the antenna being disposed within the pedestal; and
communicatively coupling the antenna to at least one of the one or more second lines and to at least one of the one or more first lines.

US Pat. No. 10,193,206

METHOD OF MANUFACTURING A SIGNAL TRANSITION COMPONENT HAVING A C-SHAPED CONDUCTING FRAME

TELEFONAKTIEBOLAGET LM ER...

1. A method of manufacturing a signal transition component, comprising:providing an electrically conducting plate having a thickness between a first signal conductor side and a second signal conductor side;
machining a plate aperture in the electrically conducting plate so as to form a first at least partly circumferentially extending electrically conducting frame;
filling the plate aperture with a dielectric material;
machining a first filling aperture in the dielectric material;
plating the first filling aperture with an electrically conducting plating that at least partly covers the inner surface of the first filling aperture;
wherein the transition component comprises a single conducting frame which is the first conducting frame;
wherein the first conducting frame has a C-shape.

US Pat. No. 10,193,204

COMBINER, A POWER DIRECTIONAL COUPLER AND A METHOD FOR MANUFACTURING A POWER DIRECTIONAL COUPLER AND A COMBINER

1. A power directional coupler, comprising two hollow conductors and a separation wall, said separation wall being positioned between both hollow conductors, said separation wall has a coupling portion which comprises several holes which are arranged in said separation wall such that a hole-wall relation is obtained, wherein two base elements are superimposed and connected together to form the two hollow conductors and at least one of the two base elements comprises one half of each of the two hollow conductors, wherein said holes are arranged in two rows such that hole pairs are provided.

US Pat. No. 10,193,202

SWITCH FOR SWITCHABLE ATTENUATOR AND HIGH FREQUENCY SWITCHABLE ATTENUATOR

13. An attenuation stage of a switchable attenuator, comprising at least two switches, wherein each of the switches comprises:a first strip conductor and a second strip conductor arranged orthogonally in a first plane;
a first switching conductor configured in an orthogonally angled shape relative to the first plane;
a switching actuator mechanically connected to the first switching conductor, and configured to move vertically, relative to the first plane, to a first position and to a second position;
a third strip conductor arranged orthogonally to the first strip conductor and opposite to the second strip conductor relative to the first strip conductor in the first plane; and
a second switching conductor configured in an orthogonally angled shape relative to the first plane; and
wherein the switching actuator is mechanically connected to the second switching conductor,
wherein the switching actuator is configured whereby, in the first position, the first strip conductor is in contact with the first switching conductor, the second strip conductor is in contact with the first switching conductor, and the first strip conductor and the third strip conductor are not in contact with the second switching conductor, and
wherein the switching actuator is configured whereby, in the second position, the first strip conductor and the second strip conductor are not in contact with the first switching conductor, the first strip conductor is in contact with the second switching conductor, and the third strip conductor is in contact with the second switching conductor; and
wherein the second strip conductor of a first of the at least two switches is connected to a first terminal of an electrical element,
wherein the second strip conductor of a second of the at least two switches is connected to a second terminal of the electrical element,
wherein the third strip conductor of the first switch is connected to the third strip conductor of the second switch,
wherein the first strip conductor of the first switch forms an input terminal of the attenuation stage, and
wherein the first strip conductor of the second switch forms an output terminal of the attenuation stage.

US Pat. No. 10,193,200

BATTERY MODULE AND BATTERY PACK COMPRISING SAME

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

1. A battery module, comprising:a cell assembly including a plurality of secondary batteries and having a fluid path formed between the secondary batteries, the cell assembly having a bottom surface, an upper surface, and side surfaces extending between the bottom surface and the upper surface;
an inlet duct located at one side surface of the cell assembly so as to cover the one side surface of the cell assembly, and having an inlet port such that the fluid introduced through the inlet port flows into the fluid path;
an outlet duct located at another side surface of the cell assembly so as to cover the another side surface of the cell assembly, and having an outlet port such that the fluid discharged from the fluid path flows out through the outlet port; and
an entrance cover installed to at least one of the inlet port and the outlet port, and having a plurality of ribs formed in a plate shape and slantly arranged relative to the bottom surface of the cell assembly so that the ribs are inclined with a predetermined angle from a direction parallel to the bottom surface of the cell assembly, the plurality of ribs extending from one side of an opening in the entrance cover to another side of the opening in the entrance cover,
wherein at least one of inner ends closest to the cell assembly and outer ends furthest from the cell assembly of at least one rib of the plurality of ribs is bent in a direction perpendicular to the bottom surface of the cell assembly, and
wherein the inner and outer ends of the rib are bent in opposite directions.

US Pat. No. 10,193,197

BATTERY DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. A battery device, comprising:a battery for supplying electric power to a motor for driving a vehicle;
a first cooling system having a first cooling fan for supplying cooling air to a first cooling channel of the battery and a first temperature sensor for detecting first cooling air temperature at an inlet of the first cooling channel;
a second cooling system having a second cooling fan for supplying cooling air to a second cooling channel of the battery and a second temperature sensor for detecting second cooling air temperature at an inlet of the second cooling channel; and
a controller for receiving a detection value from each of the first and second temperature sensors,
wherein the controller makes abnormality determination of determining that temperature characteristic of the first or second temperature sensor is abnormal when a difference between the first cooling air temperature and the second cooling air temperature, detected by the first temperature sensor and the second temperature sensor, respectively, after elapse of a predetermined set period after a start switch of the vehicle is turned off while the first cooling fan and the second cooling fan remain stopped, is equal to or greater than a predetermined amount.

US Pat. No. 10,193,195

CHARGING CONDITION CONTROL APPARATUS AND BATTERY PACK

KABUSHIKI KAISHA TOSHIBA,...

1. A charging condition control apparatus, comprising:a measurement unit configured to measure a present battery capacity of a secondary battery;
an estimation unit configured to estimate a present end-of-charge potential of an anode of the secondary battery based on the present battery capacity and an open circuit potential curve of the anode;
a calculation unit configured to calculate a differential potential between the present end-of-charge potential and an initial end-of-charge potential of the anode; and
a control unit configured to control a charging condition of the secondary battery according to the differential potential,
wherein the estimation unit estimates the present end-of-charge potential by calculating a depth of charge of the anode based on the present battery capacity and an initial battery capacity and by retrieving a potential corresponding to the depth of charge from the open circuit potential curve.

US Pat. No. 10,193,192

STRUCTURE FOR MODULATING THE VOLTAGE OF A BATTERY AND THE ACTIVE EQUILIBRATION THEREOF

RENAULT s.a.s., Boulogne...

1. An assembly comprising:a motor;
an accumulator battery comprising:
a plurality of electrical energy storage cells that convert chemical energy to electrical energy by way of an electrochemical oxidation-reduction reaction, the cells being grouped together as composite cells of an even number of cells and the composite cells connected in series with one another; and
an electrical network which connects the cells to one another, the electrical network comprising:
means of connection of the cells of each composite cell in parallel and in series, and
means for controlling the means of connection, configured to connect the cells of each composite cell in parallel or in series; and
a controller including a database register,
wherein the controller acquires a rotation speed and a current for the motor corresponding to an optimal voltage based on the database register and controls the electrical network so that a voltage across terminals of the accumulator battery is equal to the optimal voltage.

US Pat. No. 10,193,191

ELECTRICAL SYSTEM WITH BATTERY MODULE AND COVER ASSEMBLY PROVIDING BUILT-IN CIRCUIT PROTECTION

GM Global Technology Oper...

9. An electrical system comprising:a battery module having a pack section and a cover assembly connected to the pack section;
a direct current (DC) voltage bus; and
at least one high-voltage component connected to the battery module via the DC voltage bus;
wherein the pack section includes an interconnect board, a plurality of conductive channels each forming an elongated U-shape or L-shaped bus bar, and a plurality of battery cells each having at least one electrode cell tab extending orthogonally through the interconnect board, each of the battery cells being disposed behind the interconnect board, the at least one electrode cell tab joined to a corresponding one of the conductive channels, and wherein the cover assembly includes a cover plate and a plurality of conductive interconnect members, a plurality of electrical fuses, and a plurality of sense lines built into or integral with the cover plate, the conductive interconnect members protruding orthogonally outward from the cover plate and forming part of an electrical circuit between the conductive channels of the pack section and the fuses and sense lines of the cover plate when the cover assembly is connected to the pack section.

US Pat. No. 10,193,186

ELECTROLYTE ADDITIVE FOR LITHIUM-ION BATTERY

1. An electrolyte for a lithium-ion battery comprising at least one block copolymer, wherein said block copolymer comprises at least one polymeric segment A which is soluble in said electrolyte and at least one polymeric segment B having a temperature for dissolution “T” in said electrolyte, the polymeric segments A and B being present in amounts sufficient to make possible an increase in the viscosity of the electrolyte at a temperature greater than or equal to the temperature “T”, and then the return of the electrolyte to a liquid state when the temperature of the electrolyte falls back below T,wherein the block copolymer comprises at least one polymeric segment A chosen from the following polymers: polyacrylates, polymethacrylates, polycarbonates, polyester carbonates, polylactones, polylactams, polyesters, polyethers, soluble homopolymers and random copolymers of polyethers,
wherein the block copolymer comprises at least one polymeric segment B obtained from at least one monomer chosen from the following monomers: acrylic and methacrylic acids, N-alkylacrylamides or N-alkylmethacrylamides saccharides, vinylidene fluoride or hexafluoropropylene,
wherein the at least one polymeric segments B/ the at least one polymeric segments A molar ratio being greater than 0.5, and
wherein the electrolyte comprises at least one lithium salt and at least one organic solvent chosen from ethylene carbonate, propylene carbonate, dimethyl carbonate, ethyl methyl carbonate, diethyl carbonate, tetrahydrofuran, tetraethylene glycol dimethyl ether, dimethyl ether, dioxolane, dioxane, polyethylene glycol dimethyl ether and/or nitriles or their mixture(s).

US Pat. No. 10,193,185

SULFIDE SOLID ELECTROLYTE MATERIAL AND LITHIUM SOLID STATE BATTERY

TOYOTA JIDOSHA KABUSHIKI ...

1. A sulfide solid electrolyte material comprising an ion conductor having an anion structure of an ortho-composition with a ratio of 70 mol % or more to all anion structures, and LiI,wherein the ion conductor contains oxygen, and
the sulfide solid electrolyte material contains substantially no Li2S and cross-linking sulfur, and
the sulfide solid electrolyte material does not have a peak of Li2S in an XRD measurement using a Cuk? ray.

US Pat. No. 10,193,182

NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

LG Chem, Ltd., (KR)

1. A non-aqueous electrolyte solution for a lithium secondary battery, comprising an electrolyte salt and an organic solvent,wherein the non-aqueous electrolyte solution further comprises a cyano group-containing pyrimidine-based compound represented by the following formula 1, and
the cyano group-containing pyrimidine-based compound is present in an amount of 1 to 20 parts by weight per 100 parts by weight of the organic solvent:

where R1, R2, R3 and R4 are each independently hydrogen, a cyano group, halogen, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, or a substituted or unsubstituted alkoxy group having 1 to 10 carbon atoms, in which at least one of R1, R2, R3 and R4 is a cyano group.

US Pat. No. 10,193,180

METHOD FOR MANUFACTURING LAMINATED ELECTRICAL STORAGE DEVICE

MURATA MANUFACTURING CO.,...

1. A method for manufacturing a laminated electrical storage device, the method comprising:heating an external terminal by a heater that is not in contact with the external terminal and is provided so as to be opposed to a first principal surface of the external terminal that extends from a laminated case, wherein the terminal has principal surfaces and secondary surfaces, the principal surfaces being wider than the secondary surfaces; and
pressing opposed laminate films of the laminate case with a heated thermocompression bonding jig so as to thermocompression-bond each of the opposed laminate films to the external terminal and seal the laminate case.

US Pat. No. 10,193,175

PROCESS FOR SUPPLYING A FUEL CELL HAVING ALTERNATE SUPPLY AND PURGE PHASES

1. A process for supplying a fuel cell comprising a stack of electrochemical cells divided into N groups of cells, where N?2, with reactive species diluted in a carrier gas, the process comprising:(I) supplying a selected group of cells from the N groups with the reactive species diluted in the carrier gas, wherein the reactive species not consumed in the selected group of cells circulates in the other groups of cells via distribution lines that ensure fluidic communication among the N groups of cells and that are arranged so as to form a fluidic pathway for the reactive species to go from the selected group of cells to one or more last groups of cells forming an end of the fluidic pathway,
(II) purging the N groups of cells after the supplying (I) by simultaneously supplying each of the N groups of cells with the reactive species, wherein each group of cells communicates with an outlet orifice of the fuel cell that enables fluidic discharging of the N groups of cells, and
(III) subsequently repeating the supplying (I) followed by the purging (II) so that the purging (II) is performed between two successive supplyings (I), wherein selected groups of cells in the two successive supplyings (I) are different.

US Pat. No. 10,193,173

ELECTROCHEMICAL HYDROGEN SENSOR FOR GLOBAL/LOCAL HYDROGEN STARVATION DETECTION IN PEM FUEL CELLS

GM Global Technology Oper...

1. A fuel cell system hydrogen starvation detection device, the device comprising:at least one sensor signally cooperative with at least one of an anode and cathode flowpaths within the system, the sensor comprising:
a first electrode configured to generate a first signal that corresponds to a substantially pure concentration of hydrogen; and
a second electrode configured to receive a second signal that corresponds to local hydrogen concentration within the anode flowpath such that a comparison of the first and second signals provides indicia to a controller of a hydrogen starvation condition within a fuel cell stack; and
a voltage source cooperative with the first electrode, the voltage source configured to provide a voltage sufficient to promote at least one reaction that generates the substantially pure concentration of hydrogen within the cell.

US Pat. No. 10,193,172

METHOD FOR STARTING UP A FUEL CELL

Robert Bosch GmbH, Stutt...

1. A method (40) for starting a fuel cell (11), wherein hydrogen is supplied to an anode chamber (15) of the fuel cell (11) and, at the beginning of starting the fuel cell, oxygen is present in the anode chamber (15) of the fuel cell (11), the method comprisingat the beginning of supplying the hydrogen, supplying enough hydrogen to the anode chamber (15) that the hydrogen is at most in a stoichiometric ratio with the amount of oxygen present in the anode chamber (15),
wherein, at the beginning of supplying the hydrogen, the molar fraction of the hydrogen within a volume segment of an anode inlet stream prior to entry into the fuel cell (11) lies below the molar fraction of the oxygen present in the anode chamber (15), wherein the molar faction of the hydrogen within the volume segment of the anode inlet stream lies between 0.09 and 0.13, and wherein an inlet valve (22) for metering a supply of hydrogen is not opened any further as long as oxygen is present in the anode chamber.

US Pat. No. 10,193,166

FUEL CELL SYSTEM

1. A fuel cell system, as an auxiliary power supply unit of a motor vehicle, the fuel cell system comprising:a reformer for generating a reformate gas from reformer air and fuel;
a fuel cell for generating electric current from cathode air and reformate gas, said fuel cell comprising a cathode side and an anode side;
an air delivery means for delivering air;
a reformer air line;
a cathode air line;
an air supply means for receiving ambient air from the surrounding area of the fuel cell system by said air delivery means and for splitting the air at least into reformer air and cathode air and sending the reformer air via said reformer air line in the direction of said reformer and sending the cathode air via said cathode air line in the direction of said cathode side;
a recirculating line connecting said anode side to said reformer and recycling anode waste gas from said fuel cell to said reformer;
a hot gas delivery means, said hot gas delivery means being arranged in said recirculating line for driving the anode waste gas, wherein:
said hot gas delivery means contains a hot gas path, through which the anode waste gas flows, said hot gas delivery means delivering said anode waste gas exclusively to said reformer;
said hot gas delivery means contains a cooling air path, said cooling air path being integrated into said reformer air line or into said cathode air line and the reformer air or the cathode air passing through said cooling air path, wherein a flow of said reformer air or said cathode air through an interior of said hot gas delivery means is separate from a flow of said anode waste gas through said interior of said hot gas delivery means; and
said cooling air path is sealed against said hot gas path.

US Pat. No. 10,193,165

SEPARATOR AND FUEL CELL

Toyota Jidosha Kabushiki ...

1. A separator used in a fuel cell, whereinthe separator has a recess-projection shape formed by press working,
the separator has one surface as a gas circulation surface and an opposite surface as a cooling surface, the gas circulation surface having a reactive gas flow path including a plurality of reactive gas flow path grooves resulting from the recess-projection shape, the cooling surface having a cooling water flow path including a plurality of cooling water flow path grooves resulting from the recess-projection shape,
the cooling water flow path includes:
an intersection flow path portion including cooling water flow path grooves adjacent to each other with a reactive gas flow path groove of the reactive gas flow path therebetween, and a communication flow path groove formed at the cooling surface side of the reactive gas flow path groove between the adjacent cooling water flow path grooves, the communication flow path groove being shallower than the cooling water flow path grooves; and
a cooling water turn portion where a direction of the cooling water flow path grooves changes,
wherein a reactive gas turn portion is formed at the gas circulation surface such that the reactive gas turn portion turns along the cooling water turn portion,
the reactive gas turn portion is formed of a groove portion having a constant depth, and
the groove portion of the reactive gas turn portion having the constant depth is a shallow groove portion having the same depth as a depth at the gas circulation surface in a position at a backside of a specific part of the cooling surface where the communication flow path groove is formed.

US Pat. No. 10,193,163

FUEL CELL

NGK INSULATORS, LTD., Na...

1. A fuel cell comprising:an anode,
a cathode containing a perovskite oxide as a main component, the perovskite oxide expressed by the general formula ABO3, the A site including at least one selected from the group consisting of La and Sr, and the B site including at least one selected from the group consisting of Fe, Co, Mn and Ni, and
a solid electrolyte layer disposed between the anode and the cathode, wherein:
the cathode includes a surface region which is within 5 micrometers from a surface opposite the solid electrolyte layer,
the surface region contains a main phase comprising the perovskite oxide and a secondary phase comprising strontium oxide,
an occupied surface area ratio of the strontium oxide in a cross section of the surface region is greater than or equal to 0.05% and less than or equal to 3%, the cross section of the surface region being parallel to a thickness direction of the cathode, and
an average equivalent circle diameter of the strontium oxide in the cross section of the surface region is greater than or equal to 10 nm and less than or equal to 500 nm.

US Pat. No. 10,193,160

COMPOSITE CURRENT COLLECTOR FOR ENERGY STORAGE DEVICE ELECTRODE, AND ELECTRODE

NISSAN CHEMICAL INDUSTRIE...

1. An electrically conductive bonding layer-forming composition characterized by comprising a polymer having repeating units of formula (1) or formula (2) below and carbon nanotubes
wherein Ar1 to Ar3 are each independently a divalent organic group of any one of formulas (3) to (7) below

wherein R5 to R38 are each independently a hydrogen atom, a halogen atom, an alkyl group of 1 to 5 carbons which may have a branched structure, an alkoxy group of 1 to 5 carbons which may have a branched structure, or a carboxyl group, sulfo group, phosphoric acid group, phosphonic acid group or salt of any thereof;
wherein Z1 and Z2 are each independently a hydrogen atom, an alkyl group of 1 to 5 carbons which may have a branched structure, or a monovalent organic group of any one of formulas (8) to (11) below

wherein R39 to R62 are each independently a hydrogen atom, a halogen atom, an alkyl group of 1 to 5 carbons which may have a branched structure, a haloalkyl group of 1 to 5 carbons which may have a branched structure, a phenyl group, OR63, COR63, NR63R64, COOR65;
wherein R63 and R64 being each independently a hydrogen atom, an alkyl group of 1 to 5 carbons which may have a branched structure, a haloalkyl group of 1 to 5 carbons which may have a branched structure, or a phenyl group; and R65 being an alkyl group of 1 to 5 carbons which may have a branched structure, a haloalkyl group of 1 to 5 carbons which may have a branched structure, or a phenyl group, or a carboxyl group, sulfo group, phosphoric acid group, phosphonic acid group or salt of any thereof;
with the proviso that Z1 and Z2 are not both alkyl groups at the same time;
wherein R1 to R4 in formula (2) are each independently a hydrogen atom, a halogen atom, an alkyl group of 1 to 5 carbons which may have a branched structure, an alkoxy group of 1 to 5 carbons which may have a branched structure, or a carboxyl group, sulfo group, phosphoric acid group, phosphonic acid group or salt of any thereof; and
wherein said polymer contains one or more of R1 to R62 that are independently an acidic group selected from the group consisting of the carboxyl group, the sulfo group, the phosphoric acid group, the phosphonic acid group and the salts thereof.

US Pat. No. 10,193,157

NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY USING THE SAME

TDK CORPORATION, Tokyo (...

1. A negative electrode for a lithium ion secondary battery, comprising:a negative electrode active material including 5 wt % or more of at least one silicon component selected from the group consisting of silicon oxide, elemental silicon, an alloy of silicon, and a compound of silicon other than silicon oxide;
a binder that is a polyacrylate obtained by a reaction of a polyacrylic acid and magnesium, an alkaline earth metal, a compound of magnesium, or a compound of an alkaline earth metal, and whose 1% or more of carboxylic groups at terminals of side chains of the polyacrylic acid are cross-linked with magnesium or alkaline earth metal; and
a negative electrode current collector.

US Pat. No. 10,193,153

POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

SANYO Electric Co., Ltd.,...

1. A positive electrode active material for a nonaqueous electrolyte secondary battery, comprising:primary particles formed of a lithium transition metal oxide,
a secondary particle formed by aggregation of the primary particles,
the secondary particle having a plurality of recesses, each recess of the plurality of recesses being formed between at least two of the primary particles adjacent to each other on a surface of the secondary particle,
particles formed of a rare-earth compound,
rare-earth compound secondary particles formed by aggregation of the particles formed of the rare-earth compound;
wherein rare-earth compound secondary particles adhere within recesses of the plurality of recesses respectively so as to adhere to the at least two of the primary particles adjacent to each other, and
a tungsten-containing compound adheres to an interface of the primary particles inside the secondary particle.

US Pat. No. 10,193,151

LOW POROSITY ELECTRODES FOR RECHARGEABLE BATTERIES

Umicore, Brussels (BE) U...

1. A positive electrode for a rechargeable battery comprising at least 95 wt % active cathode material with an electrode loading of at least 6 mg/cm2, and an electrode porosity of less than 2 vol %, wherein the active cathode material comprises a bimodal powder mixture composition wherein at least 70 wt % consists of a first lithium cobalt based oxide powder having an average particle size (D50) of more than 25 ?m, and a BET value <0.2m2/g.

US Pat. No. 10,193,149

BATTERY ACTIVE MATERIAL, NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK

KABUSHIKI KAISHA TOSHIBA,...

1. A battery active material, comprising a complex oxide of formula LixTiNb2-yMyO7+? (0?x?5, 0?y?0.5, ?0.3???0.3) and an element M,wherein:
a molar ratio (M/Ti) of the element M to Ti in the active material satisfies the following formula (I):
0.1?M/Ti?0.5  (I);
a molar ratio (Nb/Ti) of Nb to Ti in the complex oxide containing Nb and Ti satisfies the following formula (II):
1?Nb/Ti?5  (II); and
M comprises Mg and at least one element selected from the group consisting of V, B, Na, Al, Si, S, P, K, Ca, Mo, W, Cr, Mn, Co, Ni, and Fe.

US Pat. No. 10,193,140

POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY

Samsung SDI Co., Ltd., Y...

1. A positive electrode for a rechargeable lithium battery, comprising:a positive active material consisting of LiCoO2 or LiaCoGbO2 (0.90?a?1.8, 0.001?b?0.1, G is Al, Cr, Mn, Fe, Mg, La, Ce, Sr, V, or a combination thereof); and
activated carbon having an average particle diameter larger than an average particle diameter of the positive active material and in a range of about 122% to about 160% relative to 100% of the average particle diameter of the positive active material,
wherein the positive active material and activated carbon are present in a mixed ratio in a range of about 98:2 to about 94:6.

US Pat. No. 10,193,139

REDOX AND ION-ADSORBTION ELECTRODES AND ENERGY STORAGE DEVICES

The Regents of the Univer...

1. An energy storage device comprising:a first electrode comprising:
a layered double hydroxide;
a three-dimensional graphene based conductive scaffold; and
a first current collector;
a second electrode comprising:
a hydroxide; and
a second current collector;
a separator; and
an electrolyte;
wherein the energy storage device stores energy through both redox reactions and ion adsorption; and
wherein the layered double hydroxide comprises a metallic layered double hydroxide comprising a zinc-based layered double hydroxide, an iron-based layered double hydroxide, an aluminum-based layered double hydroxide, a chromium-based layered double hydroxide, an indium-based layered double hydroxide, a manganese-based layered double hydroxide, or any combination thereof.

US Pat. No. 10,193,131

RECHARGEABLE BATTERY

Samsung SDI Co., Ltd., Y...

1. A rechargeable battery comprising:an electrode assembly;
a case accommodating the electrode assembly;
a cap plate covering the case and having a first surface facing the electrode assembly and a second surface opposite the first surface, the cap plate including an injection hole extending from the first surface to the second surface and being sealed by a ball, the second surface having a recess depressed toward the first surface, the injection hole being arranged in the recess; and
a terminal plate covering the injection hole and the ball, the terminal plate including a first region in the recess below the second surface of the cap plate.

US Pat. No. 10,193,130

RECHARGEABLE BATTERY PACK

Samsung SDI Co., Ltd., G...

1. A rechargeable battery pack including:a battery cell including an electrode terminal in a cap plate and configured to perform charging and discharging operations;
a protection element connected to the electrode terminal via a first connecting tab;
a protection management package connected to a second connecting tab of the protection element and connected to the cap plate via an electrode tab;
a molding portion fully enclosing the protection element and the protection management package; and
an adhesive member disposed between the molding portion and the battery cell to attach them, wherein the adhesive member is not enclosed by the molding portion and wherein the first connecting tab has a bending portion with a bend between the electrode terminal and the protection element so as to set a height difference.

US Pat. No. 10,193,128

SWITCHING DEVICE FOR A BATTERY, AND BATTERY COMPRISING SAID SWITCHING DEVICE

Robert Bosch GmbH, Stutt...

1. A switching device (1) for a battery (2), wherein the switching device (1) is configured to be operated by an acoustic resonance effect in order to interrupt an electrical line of the battery (2) to a device located outside of the battery, wherein the switching device (1) has at least one container (12) which is prestressed by a spring element (11) and is configured to be destroyed by acoustic resonance.

US Pat. No. 10,193,127

BATTERY TERMINAL UNIT WITH CURRENT SENSOR

YAZAKI CORPORATION, Mina...

1. A battery terminal unit with a current sensor, the battery terminal unit comprising:a bus bar for a battery terminal, the bus bar including:
an attachment part configured to attach to a battery post;
an extension part extended from the attachment part; and
a connection part which continues from the extension part and is configured to connect to a wire harness; and
a current sensor including a board having a magnetic detection element and a shield plate having a U shape so that both ends of the shield plate are connected to the board so as to define two opening portions oppositely opening,
wherein the extension part is inserted through the openings and extends inside the current sensor,
wherein the board is opposed to a surface of the extension part inside the current sensor,
wherein the attachment part, the extension part, and the connection part are integrally formed, and are configured in a unity member, and
wherein the connection part is connected to one end of the extension part at an opposite side to the attachment part and extends in a transverse direction substantially perpendicular to an overhang direction of the extension part, so that a part of the connection part configured to be connect to the wire harness is disposed on a position offset from the extension part in the transverse direction, and
wherein the connection part includes an extending portion which is bent from the one end of the extension part in a vertical direction perpendicular to both of the overhang direction and the transverse direction so as to be erected in the vertical direction.

US Pat. No. 10,193,125

ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME

Samsung SDI Co., Ltd., Y...

1. An electrode assembly, comprising:a jelly roll comprising a first electrode plate wound together with a second electrode plate, the second electrode plate having a different polarity from the first electrode plate,
wherein the first electrode plate includes a plurality of non-coated portions spaced apart from each other; and
a plurality of tabs attached to the plurality of non-coated portions, respectively,
wherein the plurality of non-coated portions includes a first non-coated portion having a first width, and a second non-coated portion having a second width different from the first width of the first non-coated portion, and
wherein the first non-coated portion is between a winding center of the jelly roll and the second non-coated portion and spaced apart from the winding center, and the second non-coated portion is between the first non-coated portion and an end of the first electrode plate opposite to the center of the jelly roll and spaced apart from the end of the first electrode plate.

US Pat. No. 10,193,124

BATTERY CONNECTING BODY AND POWER SUPPLY DEVICE

YAZAKI CORPORATION, Mina...

1. A battery connecting body comprising:a plurality of connecting members that each connect electrodes of adjacent ones of a plurality of batteries arranged such that the electrodes thereof are arranged on a straight line to electrically connect the plurality of batteries; and
a casing that houses the plurality of connecting members, wherein
the casing includes a plurality of connecting member housing portions that each house each of the connecting members and cover portions that each cover an opening of each of the connecting member housing portions, and
the cover portions are each retained by protruding portions inside of the cover portions inserted into the connecting members wherein at least one of the connecting members is a bus bar.