Patents Examined by Tomi Skibinski
  • Patent number: 10931273
    Abstract: This disclosure includes systems, methods, and techniques for controlling delivery of power to a load. For example, a circuit includes a first switching device and a second switching device. The circuit is configured to activate, in response to a source voltage of a semiconductor device being lower than a first voltage, the first switching device in order to cause the circuit to deliver a first electrical signal to the semiconductor device, where the first electrical signal includes the first voltage and deactivate the first switching device in response to the source voltage of the semiconductor device not being lower than the first voltage. Additionally, the circuit is configured to activate, in response to the source voltage of the semiconductor device not being lower than the first voltage, the second switching device to cause the circuit to deliver a second electrical signal to the semiconductor device.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 23, 2021
    Assignee: Infineon Technologies AG
    Inventors: Dragos Panaite, Ansgar Pottbäcker, Ioan Vasiliu, Ramona-Bianca Neagu
  • Patent number: 10924108
    Abstract: A circuit arrangement is enclosed. The circuit arrangement includes a first electronic circuit; a second electronic circuit; and a coupling circuit connected between the first electronic circuit and the second electronic circuit. The first electronic circuit is at least partially integrated in a first region of a semiconductor layer, the second electronic circuit is at least partially integrated in a second region of the semiconductor layer, and the second region adjoins a first insulating layer formed on a first surface of the semiconductor layer and is electrically insulated from the first region by a second insulating layer. Further, the coupling circuit is arranged in a third insulating layer formed on a second surface of the semiconductor layer and comprises at least two capacitors connected in series.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: February 16, 2021
    Assignee: Infineon Technologies Austria AG
    Inventors: Markus Muellauer, Thomas Ferianz, Hermann Gruber
  • Patent number: 10924105
    Abstract: A waveform conversion circuit for converting a control signal of a control node ranging from a high voltage level to a low voltage level of a reference node into a driving signal of a first node is provided. The waveform conversion circuit includes a first resistor, a unidirectional conducting device, and a voltage clamp unit. The first resistor is coupled between the control node and the first node. The unidirectional conducting device unidirectionally discharges the first node to the control node. The voltage clamp unit is coupled between the first node and the reference node and is configured to clamp a driving signal.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: February 16, 2021
    Assignee: Delta Electronics, Inc.
    Inventors: Chih-I Hu, Po-Chin Chuang
  • Patent number: 10923945
    Abstract: A mark and hold system comprising a main power supply, a mark voltage power supply and a detection current source. After detection, and optionally classification, the main power supply is disconnected from the PD and instead the PD is connected to the mark voltage power supply. The detection current source draws current through a port resistance of the PSE and the PD. The voltage across the port resistance is monitored to determine whether the PD is still connected to the port.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: February 16, 2021
    Assignee: Microsemi P.O.E Ltd.
    Inventors: Arkadiy Peker, Alon Ferentz, Tamir Langer
  • Patent number: 10924089
    Abstract: A comparing circuit and a comparing module with hysteresis are provided. The comparing module includes a first resistor, a second resistor, and the comparing circuit, which are electrically connected to each other. A comparison voltage is determined according to an input voltage and the resistances of the first resistor and the second resistor. The comparing circuit includes an input circuit, an eternal circuit, and a coupling module. The coupling module includes a first coupling transistor, a second coupling transistor, a third transistor, and a fourth coupling resistor. Control terminals of the first coupling transistor and the second coupling transistor are selectively electrically connected to either one of a first terminal and a second terminal. The second terminals of the third coupling transistor and the fourth coupling transistor are selectively electrically connected to either one of the first terminal and the second terminal.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: February 16, 2021
    Assignees: FARADAY TECHNOLOGY CORPORATION, Faraday Technology Corp.
    Inventors: Xiao-Dong Fei, Wei Wang, San-Yueh Huang
  • Patent number: 10924095
    Abstract: Systems and techniques that facilitate multi-resonant couplers for preserving ZX interaction while reducing ZZ interaction are provided. In various embodiments, a first qubit can have a first operational frequency and a second qubit can have a second operational frequency, and a multi-resonant architecture can couple the first qubit to the second qubit. In various embodiments, the multi-resonant architecture can comprise a first resonator and a second resonator. In various cases, the first resonator can capacitively couple the first qubit to the second qubit, and a second resonator can capacitively couple the first qubit to the second qubit. In various aspects, the first resonator and the second resonator can be in parallel.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: February 16, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: David C. Mckay, Abhinav Kandala, Srikanth Srinivasan
  • Patent number: 10915483
    Abstract: A low voltage drive circuit includes a transmit digital to analog circuit that converts transmit digital data into analog outbound data by: generating a DC component; generating a first oscillation at a first frequency; generating a second oscillation at the first frequency; and outputting the first oscillation or the second oscillation on a bit-by-bit basis in accordance with the transmit digital data to produce an oscillating component, wherein the DC component is combined with the oscillating component to produce the analog outbound data, and wherein the oscillating component and the DC component are combined to produce the analog outbound data. A drive sense circuit drives an analog transmit signal onto a bus, wherein the analog outbound data is represented within the analog transmit signal as variances in loading of the bus at the first frequency and wherein analog inbound data is represented within an analog receive signal as variances in loading of the bus at a second frequency.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: February 9, 2021
    Assignee: SigmaSense, LLC.
    Inventors: Richard Stuart Seger, Jr., Daniel Keith Van Ostrand, Gerald Dale Morrison, Timothy W. Markison
  • Patent number: 10917083
    Abstract: A drive circuit includes: a signal generation circuit; a comparator; a comparator; and a short circuit determination unit. The signal generation circuit is configured to generate, as an output signal, a differential amplification signal of a voltage detection signal indicating a gate voltage of a semiconductor element and a delay signal of the voltage detection signal. The comparator is configured to compare a value of the differential amplification signal with a first reference voltage value. The comparator is configured to compare a voltage value indicating a gate current with a second reference voltage value. The short circuit determination unit is configured to determine whether or not the semiconductor element is in a short-circuited state, based on a result of comparison by each of the comparators, and generate a determination signal indicating a determination result.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: February 9, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takashi Masuhara, Takeshi Horiguchi
  • Patent number: 10917082
    Abstract: A power module includes: an embedding structure comprising an electrically insulating body, first terminals at a first side of the electrically insulating body, and second terminals at a second side of the electrically insulating body opposite the first side; a first semiconductor chip embedded in the electrically insulating body and comprising a vertical low-side power transistor; and a second semiconductor chip contacting the first set of terminals at the first side of the electrically insulating body and comprising a lateral high-side power transistor. The lateral high-side power transistor is electrically connected to the vertical low-side power transistor through one or more first electrically conductive paths embedded in the electrically insulating body to form a switch node of a half bridge circuit. The switch node is electrically connected to a corresponding one of the second terminals through one or more second electrically conductive paths embedded in the electrically insulating body.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: February 9, 2021
    Assignee: Infineon Technologies Americas Corp.
    Inventors: Danny Clavette, Bang Sup Lee
  • Patent number: 10914792
    Abstract: A linearity compensation circuit is disclosed for improving the linearity of a sensing signal. The linearity compensation circuit may include a compensator that is capable of receiving a sensing signal from a sensor and generating a compensation signal based on the sensing signal. The linearity compensation circuit may also include an output circuit that is capable of combining the compensation signal and the sensing signal to generate a compensated signal that exhibits an improved linearity. Also disclosed is a sensing apparatus which includes a sensor and the linearity compensation circuit. The sensing apparatus may thus be able to generate a sensing signal that is linear over a wider dynamic range.
    Type: Grant
    Filed: April 21, 2018
    Date of Patent: February 9, 2021
    Assignee: ACEINNA TRANSDUCER SYSTEMS CO., LTD.
    Inventors: Leyue Jiang, Alexander Dribinsky, Bin Liu, Weize Xu
  • Patent number: 10911045
    Abstract: A segmented direct gate drive circuit of a depletion mode GaN power device, a gate voltage of the GaN power device is charged from a negative voltage turn-off level to a threshold voltage of the GaN power device; when the gate voltage of the GaN power device is charged to the threshold voltage of the GaN power device, a current mirror charging module first turns on less than N of charging current mirror modules to charge the gate voltage of the GaN power device from the threshold voltage of the GaN power device to a Miller platform voltage of the GaN power device, and turns on N charging current mirror modules to charge the gate voltage of the GaN power device from the Miller platform voltage of the GaN power device to a zero level.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: February 2, 2021
    Assignee: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA
    Inventors: Xin Ming, Bo Zhang, Qifei Xu, Shuai Mao, Xudong Feng, Zhuo Wang
  • Patent number: 10903834
    Abstract: An electronic power device formed by a plurality of FETs formed on a circuit board formed of a plurality of layers, the plurality of transistors being formed on a first surface of the circuit board, the plurality of layers including a plurality of gate drive layers, a plurality of gate return layers, and a plurality of power layers. A gate drive circuit is formed on a second surface of the circuit board, the second surface being opposite the first surface, the gate drive circuit being connected to the gate and source of each of the plurality of transistors through the plurality of gate drive layers and the plurality of gate return layers. A voltage supply is connected to the drain of each of the plurality of transistors, the connections of the voltage supply to each of the plurality of transistors being interleaved through the plurality of power layers.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: January 26, 2021
    Assignee: BAE Systems Controls Inc.
    Inventors: Nicholas A. Lemberg, Andrew S. Clark, Thomas J. Cummings, Robert J. Vovos
  • Patent number: 10903807
    Abstract: The invention relates to a mixer circuit, which includes a transconductance stage circuit, a switch stage circuit and a load stage circuit which are electrically connected in sequence. The transconductance stage circuit is used to access a radio frequency voltage signal and convert the radio frequency voltage signal into a radio frequency current signal The switch-level circuit is used to access the local oscillator signal and the radio frequency current signal, and the switch-level transistor is turned on by using the local oscillator signal; the load-level circuit is used to convert the intermediate frequency current signal into a voltage signal for output. In the present invention, the transconductance stage circuit adopts a transistor superposition technology structure, which improves the conversion gain of the mixer; at the same time, it uses a source degenerate inductance structure, which further improves the conversion gain and linearity of the circuit.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: January 26, 2021
    Inventor: Fan Fan
  • Patent number: 10897251
    Abstract: A communication system includes a supply generator configured to generate a modulated supply according to a data transmission; a light emitting diode (LED) emulator including an emulator input coupled to the supply generator and an emulator output configured to output a sense voltage, wherein the emulator input is configured to receive a forward current derived from the modulated supply and translate the forward current into the sense voltage; a voltage comparator coupled to the emulator output and configured to receive the sense voltage and translate the sense voltage into a modulated output signal based on a communication voltage threshold; and a transmitter coupled to a comparator output and configured to receive the modulated output signal and generate a communication signal according to the data transmission based on the modulated output signal.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: January 19, 2021
    Inventor: Cristian Ionascu
  • Patent number: 10889385
    Abstract: Methods and apparatus for distributing electric power from a power source of an aircraft to a plurality of electrical loads of the aircraft during a limited power availability condition are disclosed. An exemplary method comprises: distributing electric power from the power source of the aircraft to the plurality of electrical loads; receiving one or more signals indicative of a demand for electric power by one or more of the plurality of electrical loads; and adjusting the power distribution to the plurality of electrical loads based on the demand for electric power by the one or more plurality of electrical loads. The power distribution is also adjusted to maintain an overall power consumption of the plurality of electrical loads at or below a threshold.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: January 12, 2021
    Assignee: BOMBARDIER INC.
    Inventors: Gustave Nfonguem, Vlad Iliescu
  • Patent number: 10892748
    Abstract: A power module includes a power circuit which includes one or more power semiconductors; and a control circuit which supplies a gate signal to each of the one or more power semiconductors. The control circuit includes one or more gate drivers which generate the gate signal in accordance with a control signal and in which a side to which the control signal is input and a side on which the gate signal is generated are insulated, a control input circuit to which the control signal is input and which supplies the control signal to the one or more gate drivers, and a control output circuit which supplies the gate signal to each of the power semiconductors.
    Type: Grant
    Filed: July 4, 2020
    Date of Patent: January 12, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroki Kanai, Tomotoshi Satoh, Koichiro Fujita, Kenichi Tanaka, Hiroyuki Komeda, Naomichi Fujii
  • Patent number: 10892758
    Abstract: A receiver includes an input node coupled to receive an analog signal, a first switch coupled between the input node and a first node, a second switch coupled between the input node and a second node, a first resistive element coupled between the first node and a reference node, a second resistive element coupled between the second node and the reference node, a first capacitive element coupled to the first node, and a second capacitive element coupled to the second node. The receiver also includes a comparator having a first input coupled to the input node to receive the analog signal, and a second input coupled to the reference node to receive a reference voltage, wherein an output of the comparator controls the first and second switches.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 12, 2021
    Assignee: NXP B.V.
    Inventors: Charles Eric Seaberg, Khoi Mai
  • Patent number: 10890605
    Abstract: A circuit with load driver detection includes a reference voltage generation circuit configured to generate a reference voltage based on a reference current, a voltage selection circuit configured to select one of a first detection voltage based on a first driving current through a load and a second detection voltage based on a second driving current flowing through the load, and a detection circuit configured to generate a detection signal, the detection circuit being configured to compare a detection voltage selected by the voltage selection circuit with the reference voltage, wherein the reference voltage is set by the reference voltage generation circuit in response to the load.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: January 12, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ji Buem Chun
  • Patent number: 10892722
    Abstract: Differential sampling circuits may be adversely affected by changes in common mode voltage. Changes in the common mode voltage may alter the on resistance of transistor switches which it turn may mean that small signal changes are not correctly observed against a bigger common mode signal. The present disclosure relates to a way of improving the ability to resolve small differential signal changes by varying the supply or drive voltage to a component to compensate for common mode voltage changes.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: January 12, 2021
    Assignee: Analog Devices International Unlimited Company
    Inventors: Jonathan Ephraim David Hurwitz, George Redfield Spalding, Jr., Seyed Amir Ali Danesh
  • Patent number: 10884967
    Abstract: A low voltage drive circuit includes a transmit digital to analog circuit that converts transmit digital data into analog outbound data by: generating a DC component; a first plurality of oscillations, wherein each oscillation of the first plurality of oscillations has first unique oscillation characteristics; selecting one of the first plurality of oscillations in accordance with a first portion of the transmit digital data to produce a first selected oscillation; generating a second plurality of oscillations, wherein each oscillation of the second plurality of oscillations has second unique oscillation characteristics; selecting one of the second plurality of oscillations in accordance with a second portion of the transmit digital data to produce a second selected oscillation, and outputting the first selected oscillation and the second selected oscillation on an n-bit-by-n-bit basis to produce an oscillating component, wherein the DC component is combined with the oscillating component to produce the analo
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: January 5, 2021
    Assignee: SigmaSense, LLC.
    Inventors: Richard Stuart Seger, Jr., Daniel Keith Van Ostrand, Gerald Dale Morrison, Timothy W. Markison