Patents Examined by Lincoln D. Donovan
  • Patent number: 11190170
    Abstract: A circuit assembly includes a first signal branch connecting a signal connection to an electrical load via a semiconductor switch and a second signal branch connecting the signal connection to the electrical load via a relay. When a sensor detects a polarity change in an electrical signal within a test time interval, a controller may close the semiconductor switch at a first signal time such that electrical energy is supplied to the electrical load, actuate the relay at a second signal time after the semiconductor switch has been closed, and open the semiconductor switch after the relay has been closed such that electrical energy is supplied to the electrical load solely via the second signal branch.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: November 30, 2021
    Assignee: Phoenix Contact GmbH & Co. KG
    Inventors: Elmar Schaper, Markus Rohs
  • Patent number: 11181577
    Abstract: A skew sensor for detecting skew between two input signals is provided. The skew sensor includes at least two skew detectors. The first skew detector receives either a first clock signal or a second clock signal as a first input signal, and the other one of the first clock signal and the second clock signal delayed by a first delay difference induced by one or more delay elements as a second input signal. The second skew detector receives either the first clock signal or the second clock signal as the first input signal, and the other one of the first clock signal and the second clock signal optionally delayed by a second delay difference induced by one more delay elements, wherein the second delay difference is different from the first delay difference, as the second input signal. Skew is measured between the first clock signal and the second clock signal.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: November 23, 2021
    Assignee: International Business Machines Corporation
    Inventors: Andreas H. A. Arp, Douglas J. Malone, Thomas Makowski, Michael V. Koch
  • Patent number: 11183989
    Abstract: A system resets leakage states of a superconducting qubit to a qubit subspace by using a dedicated electrical circuit on a timescale faster than a natural decay process. One system comprises a qubit including a qubit transition frequency and multiple qubit leakage transition frequencies; and a filter circuit coupled to the qubit for leakage mitigation based on the qubit frequency and the multiple qubit leakage transition frequencies, wherein the filter circuit causes dissipation at the leakage transition frequencies while isolating the qubit transition frequency. Another system comprises a qubit including a qubit transition frequency and multiple qubit leakage transition frequencies; and a tunable dissipative cavity circuit coupled to the qubit for leakage mitigation based on the qubit frequency and the multiple qubit leakage transition frequencies, wherein the tunable dissipative cavity circuit causes the leakage transition frequencies to dissipate while isolating the qubit transition frequency.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: November 23, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Ted Thorbeck, Baleegh Abdo
  • Patent number: 11183995
    Abstract: In a delay control circuit having a plurality of series-coupled delay stages, an input signal is routed through one of the series-coupled delay stages via a first delay element if a first delay control value is in a first state, the first delay element imposing a first signal propagation delay according to a first bias signal. If the delay control value is in a second state, the input signal is routed through the one of the series-coupled delay stages via a second delay element instead of the first delay element, the second delay element imposing a second signal propagation delay according to a second bias signal. The first and second bias signals are calibrated such that the second signal propagation delay exceeds the first propagation delay by a predetermined time interval that is substantially briefer than the first signal propagation delay.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: November 23, 2021
    Assignee: Rambus Inc.
    Inventors: Anirudha Shelke, Navin Kumar Mishra
  • Patent number: 11183973
    Abstract: An electronic circuit and method are provided. The electronic circuit includes an in-phase (I)-quadrature (Q) amplifier including an I cascode branch and a Q cascode branch, the IQ amplifier configured to receive a differential input and control signals, control, based on the control signals, gate voltages in the I cascode branch and gate voltages in the Q cascode branch, generate an I output signal with the I cascode branch, and generate a Q output signal with the Q cascode branch, and a quadrature coupler configured to perform quadrature summation of the I output signal and the Q output signal and generate a final phase shifted output.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: November 23, 2021
    Inventors: Ajaypat Jain, Amitoj Singh, Xiaohua Yu, Tienyu Chang, Siu-Chuang Ivan Lu, Sang Won Son
  • Patent number: 11175319
    Abstract: A wireless-power-transmission-system includes a bridge with a tank-capacitor coupled thereto, a sense-resistor coupled between the bridge and an input of a regulator, a switching-circuit having first and second inputs coupled across the sense-resistor, and a gain-stage having first and second inputs capacitively coupled to first and second outputs of the switching-circuit. An ADC digitizes output of the gain-stage by comparing the output to a reference voltage, and a temperature-independent current source is coupled to a reference-resistor to generate the reference voltage. In a reset-phase, the switching-circuit shorts the inputs of the gain-stage to one another, and the gain-stage shorts its inputs to its output. The switching-circuit, in a first-chopping-phase, couples the sense-resistor between the first and second inputs of the gain-stage, and in a second-chopping-phase, couples the sense-resistor in reverse between the second and first inputs of the gain-stage.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: November 16, 2021
    Assignee: STMicroelectronics Asia Pacific Pte Ltd
    Inventors: Yannick Guedon, Baris Volkan Yildirim, Teerasak Lee
  • Patent number: 11175633
    Abstract: A system and method for fast converging gain calibration for phase lock loops (PLL) are herein disclosed. According to one embodiment, a method includes receiving, with a voltage generation circuit, an input value representing a difference between a sampled voltage and a reference voltage, and adjusting, with the voltage generation circuit, the reference voltage by generating a voltage output based on the difference represented by the input value.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: November 16, 2021
    Inventors: Chih-Wei Yao, Ronghua Ni
  • Patent number: 11171638
    Abstract: An electronic apparatus is provided which includes switching elements, resonance suppression resistors which have first ends connected to control terminals of the switching elements and second ends having a common connection, an on-drive circuit which has an on-drive resistor and is connected to a drive power circuit, and which is supplied with voltage from the drive power circuit and applies electric charge to the control terminals of the switching elements via the on-drive resistor to turn on the switching elements, and an off-drive circuit which has an off-drive resistor and releases electric charge from the control terminals of the switching elements via the off-drive resistor to turn off the switching elements. A resistance of the off-drive resistor is set to be smaller than a resistance of the resonance suppression resistors. The off-drive circuit releases electric charge from the control terminals of the switching elements not via the resonance suppression resistors.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: November 9, 2021
    Assignee: DENSO CORPORATION
    Inventors: Sho Yamada, Yosuke Watanabe, Junichi Fukuta, Tsuneo Maebara
  • Patent number: 11171641
    Abstract: A system may include a sensor configured to output a sensor signal indicative of a distance between the sensor and a mechanical member associated with the sensor, a measurement circuit communicatively coupled to the sensor and configured to determine a physical force interaction with the mechanical member based on the sensor signal, and a compensator configured to monitor the sensor signal and to apply a compensation factor to the sensor signal to compensate for changes to properties of the sensor based on at least one of changes in a distance between the sensor and the mechanical member and changes in a temperature associated with the sensor.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: November 9, 2021
    Assignee: Cirrus Logic, Inc.
    Inventors: Matthew Beardsworth, Tejasvi Das, Siddharth Maru, Luke Lapointe
  • Patent number: 11163286
    Abstract: Systems and techniques are described for providing control of a monitoring system. In some implementations, a monitoring device is located in a building and is configured to monitor at least a portion of the building based on output from one or more sensors. A monitoring server is located remote from the building and is configured to communicate with the monitoring device. The monitoring server may be configured to translate one or more parameters received from a client device into an interpreted monitoring script and a trigger that causes performance of the interpreted monitoring script. The monitoring device may include an interpreter configured to determine that the trigger has been met and initiate performance of the interpreted monitoring script to evaluate a monitoring rule in accordance with one or more configurable parameters.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: November 2, 2021
    Assignee: Alarm.com Incorporated
    Inventor: Jean-Paul Martin
  • Patent number: 11163002
    Abstract: A burn-in resilient integrated circuit is provided. The burn-in resilient integrated circuit includes an inverter chain and a plurality of inverter circuits on the inverter chain. The burn-in resilient integrated circuit also includes a loop providing an electrical connection from an output of the inverter chain to an input of the inverter chain. The loop is selectable in accordance with a burn-in operation.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: November 2, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Andreas H. A. Arp, Matthias Ringe, Thomas Makowski, Michael V. Koch, Fatih Cilek
  • Patent number: 11150685
    Abstract: It is desirable to reduce power consumption without reducing a function in an electronic apparatus operating in a plurality of modes different in power consumption from one another. A processor operates in a normal mode, in which power consumption is higher, of two modes different in power consumption from each other, and stops operation in a power saving mode, in which the power consumption is lower, of the two modes. A control section outputs a power saving mode control command instructing an increase or decrease of a supply electric power to a digital circuit different from the processor in the power saving mode. A power source managing integrated circuit increases or decreases the supply electric power to the digital circuit in accordance with the power saving mode control command, and outputs the increased or decreased supply electric power.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: October 19, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Keita Izumi, Toshimasa Shimizu, Katsumi Takaoka
  • Patent number: 11152302
    Abstract: Method of manufacturing electronic devices using a maskless lithographic exposure system using a maskless pattern writer. The method comprises generating beamlet control data for controlling the maskless pattern writer to expose a wafer for creation of the electronic devices, wherein the beamlet control data is generated based on a feature data set defining features selectable for individualizing the electronic devices, wherein exposure of the wafer according to the beamlet control data results in exposing a pattern having a different selection of the features from the feature data set for different subsets of the electronic devices.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: October 19, 2021
    Assignee: ASML Netherlands B.V.
    Inventors: Marcel Nicolaas Jacobus van Kervinck, Vincent Sylvester Kuiper, Marco Jan-Jaco Wieland
  • Patent number: 11152821
    Abstract: An object of the present invention is to suppress deterioration in detection accuracy during power feeding in the detection of the metallic foreign object using the antenna coil. A metallic foreign object detector includes: an antenna coil; a capacitor that constitutes a resonance circuit RC together with the antenna coil; a power supply that applies voltage to the resonance circuit to generate a vibration signal in the resonance circuit; a determination circuit that determines the presence/absence of a metallic foreign object based on the waveform of the vibration signal; a resonance capacitor switch inserted into the resonance circuit; and a control circuit that controls the open/close state of the resonance capacitor switch. The control circuit brings the resonance capacitor switch into a closed state responding to the power supply starting application of voltage to the resonance circuit.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: October 19, 2021
    Assignee: TDK CORPORATION
    Inventors: Kazunori Oshima, Akira Gotani, Kazuki Kondo, Narutoshi Fukuzawa
  • Patent number: 11152920
    Abstract: Aspects of the invention relate to an apparatus having a transmission gate coupled to a delay element and including a first transistor and a second transistor. A first node is coupled to a first gate of the first transistor, a first current source, and a first resistive element, an opposite end of the first resistive element being coupled to a ground potential. A second node is coupled to a second gate of the second transistor, a second current source, and a second resistive element, an opposite end of the second resistive element being coupled to a power supply.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: October 19, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Michael Sperling, Akil Khamisi Sutton, Pawel Owczarczyk, Erik English
  • Patent number: 11152938
    Abstract: A magnetic switch sensor is provided having a magnetic field sensing element configured to generate a magnetic field signal in response to a magnetic field indicative of a distance or angle between the magnetic field sensing element and a target, a first circuit coupled to receive the magnetic field signal and having an output to provide a comparison signal, and a debounce circuit coupled to receive the comparison signal and having an output to provide a debounced signal. The sensor can include a second circuit having an input coupled to receive the debounced signal and an output at which is provided a toggle signal that transitions between first and second levels every other time the magnetic field signal crosses a threshold level.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: October 19, 2021
    Assignee: Allegro MicroSystems, LLC
    Inventors: Joseph James Judkins, III, Ryan J. Metivier
  • Patent number: 11152850
    Abstract: A power source apparatus includes a switching control circuit configured to output a switching signal to switch a power source supplying power to each of a plurality of loads, and a reset control circuit having a plurality of output terminals outputting reset signals that reset the plurality of loads in response to the switching signal.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: October 19, 2021
    Assignee: FUJITSU LIMITED
    Inventor: Hiroyuki Sato
  • Patent number: 11152931
    Abstract: The trend in wireless communication receivers is to capture more and more bandwidth to support higher throughput, and to directly sample the radio frequency (RF) signal to enable re-configurability and lower cost. Other applications like instrumentation also demand the ability to digitize wide bandwidth RF signals. These applications benefit from input circuitry which can perform well with high speed, wide bandwidth RF signals. An input buffer and bootstrapped switch are designed to service such applications, and can be implemented in 28 nm complementary metal-oxide (CMOS) technology.
    Type: Grant
    Filed: July 26, 2020
    Date of Patent: October 19, 2021
    Assignee: Analog Devices, Inc.
    Inventor: Lawrence A. Singer
  • Patent number: 11146278
    Abstract: The invention concerns a frequency locked loop comprising: a digitally controlled oscillator (102) configured to generate a frequency signal (F); a frequency counter (310) configured to generate an estimate (f_EST) of the frequency of the frequency signal based on a reference clock signal (CLK_REF); and a controller (314) configured to generate a digital control signal (C_FREQ) for controlling the digitally controlled oscillator based on the estimated frequency, wherein the controller is clocked by a further clock signal (CLK) having a variable frequency, and the controller is configured to generate a trigger signal (AUTO_CLEAR) for triggering a counting phase of the frequency counter.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 12, 2021
    Assignee: Commissariat à l'Energie Atomique et aux Energies Alternatives
    Inventor: Ivan Miro Panades
  • Patent number: 11146112
    Abstract: A method includes in a switching cycle of a power converter in a wireless power transfer system, finding a time instant corresponding to one fourth of the switching cycle, wherein the power converter is coupled between an input power source and a transmitter coil magnetically coupled to a receiver coil, at the time instant, detecting a current flowing through the transmitter coil, wherein power transferred between the transmitter coil and the receiver coil is proportional to the current flowing through the transmitter coil, comparing the current flowing through the transmitter coil with a plurality of predetermined thresholds to determine whether a transient occurs, and applying a control mechanism to the power converter in response to an occurrence of the transient.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: October 12, 2021
    Assignee: NuVolta Technologies (Hefei) Co., Ltd.
    Inventor: Zhijun Luo