Patents Examined by Ryan A Johnson
  • Patent number: 11611338
    Abstract: Embodiments relate to circuit for reversing a threshold voltage shift of a transistor. The circuit includes a current mirror for sensing a transistor current and generating a mirrored current corresponding to the sensed transistor current, a gate biasing module for providing a gate bias to the transistor, and a calibration engine configured to receive the mirrored current from the current mirror and to control the gate biasing module in response to determining whether the mirrored current is outside of a predetermined range indicative of a shift in the threshold voltage of the transistor. The gate biasing module includes a gate biasing circuit configured to operate the transistor in a region where hot carrier injection (HCI) is present, and a gate switch for coupling the gate biasing circuit to a gate terminal of the transistor.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: March 21, 2023
    Assignee: Apple Inc.
    Inventors: Aly Ismail, Amr Haggag
  • Patent number: 11611226
    Abstract: A marine battery charger system configured to be installed on a marine vessel to charge a marine battery includes a housing, a charging circuit in the housing configured to receive AC power and to output a charge current to the marine battery, and a cord. The cord has a plug end configured to engage an AC power outlet and is configured to transmit the AC power from the AC power outlet to the charging circuit. A controller is configured to control a charging operation mode of the charging circuit and a status indicator is located at the plug end of the cord and configured to be controlled by the controller to indicate the charging operation mode of the charging circuit.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: March 21, 2023
    Assignee: Brunswick Corporation
    Inventors: Benjamin C. Shaffer, Gerald J. Demirjian, Ximing He, Brandon J. Stafford
  • Patent number: 11601120
    Abstract: An oscillator circuit includes a plurality of inverters connected in a cascade, at least first and second feedback taps, and alternation circuitry. The at least first and second feedback taps are configured to feed-back at least respective first and second output signals taken from at least respective first and second points in the cascade. The alternation circuitry is configured to derive an input signal from at least the first and second output signals by alternating between at least the first and second feedback taps, and to apply the input signal to an input of the cascade.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: March 7, 2023
    Assignee: NUVOTON TECHNOLOGY CORPORATION
    Inventor: Moshe Alon
  • Patent number: 11592534
    Abstract: A system includes a power driver, configured to generate an electric excitation; an oscillating system, configured to perform an oscillation induced by the electric excitation; a feedback detector, configured to detect a feedback measurement signal with to the oscillation; and a controller configured to operate: in a closed loop mode, to control the power driver to generate the electric excitation as a discontinuous electric excitation according to timing information obtained from the detected feedback measurement signal, to synchronize the discontinuous electric excitation with the detected feedback measurement signal; in a learning mode preceding the closed loop mode, to control the power driver to generate the electric excitation as a continuous electric excitation, to obtain timing information from the feedback measurement signal to be used, at least once, in the subsequent closed loop mode, to synchronize the discontinuous electric excitation with the detected feedback measurement signal.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: February 28, 2023
    Assignee: Infineon Technologies AG
    Inventors: David Brunner, Georg Schitter, Han Woong Yoo
  • Patent number: 11596075
    Abstract: A vehicle includes a vehicle body, a vehicle seat, an inverter and an inverter cover. The vehicle body defines a vehicle interior. The vehicle seat is disposed on a floor of the vehicle interior. The inverter has a housing fixed to the floor of the vehicle interior at a location underneath the vehicle seat. The inverter cover is detachably attached to the inverter housing.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: February 28, 2023
    Assignee: NISSAN NORTH AMERICA, INC.
    Inventors: Roy Defauw, Ronald Morrow, Dale Butterworth
  • Patent number: 11593530
    Abstract: An information handling system includes an intrusion detection circuit having two inductors and an amplifier circuit. The amplifier circuit is configured to identify an increase in inductive coupling between the inductors in response to a change in position of a cover.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: February 28, 2023
    Assignee: Dell Products L.P.
    Inventors: Sandor Farkas, Bhyrav M. Mutnury
  • Patent number: 11594914
    Abstract: In a method for producing a system for inductively transmitting energy to a mobile part, and a device for performing the method: a stepped bore is introduced into a floor; a sealing element is introduced into the stepped bore; a ring frame is held in place in the stepped bore with the aid of an alignment unit supported on the surface of the floor, the upper edge of the ring frame in particular being aligned with the height of the floor or with the surface of a floor covering applied to the floor, i.e. the upper edge in particular being brought to the same height position as the surface of the floor or the floor covering; the ring frame is set apart from the floor so that a gap region exists between the ring frame and the floor; casting compound is filled into the gap region; the alignment unit is removed; and a primary part is accommodated in the ring frame, in particular connected with the aid of screws.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: February 28, 2023
    Assignee: SEW-EURODRIVE GMBH & CO. KG
    Inventors: Johann Soder, Nils-Malte Jahn
  • Patent number: 11594363
    Abstract: Disclosed herein is a coil component that includes first and second substrates, a first coil pattern formed on one surface of the first substrate, a second coil pattern formed on one surface of the second substrate, a first terminal electrode connected to one end of the first coil pattern and protruding from the first substrate, and a second terminal electrode connected to one end of the second coil pattern and protruding from the second substrate. The first and second substrates are laminated such that the first and second terminal electrodes overlap each other and are connected to each other.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: February 28, 2023
    Assignee: TDK CORPORATION
    Inventors: Tomohiro Moriki, Takahiro Ohishi, Hirohumi Asou, Noritaka Chiyo, Toshio Tomonari, Junpei Hamaya, Shigeki Ohtsuka, Takaaki Imai, Takakazu Maruyama, Osamu Taguchi
  • Patent number: 11587710
    Abstract: An inductor device includes first, second, third and fourth wire, first and second connector, and eight-shaped inductor structure. First and second wires are disposed in first and second areas. Third wire is disposed in first area and partially overlapped with first wire in a vertical direction, and third wire is coupled to second wire. Fourth wire is disposed in second area and partially overlapped with second wire in the vertical direction, and fourth wire is coupled to first wire. First connector is partially overlapped with first wire or third wire in the vertical direction, and is coupled to inner wire and outer wire of third wire. Second connector is partially overlapped with second wire or fourth wire in the vertical direction, and is coupled to inner and outer wire of fourth wire. Eight-shaped inductor structure is disposed on outer side of third wire and fourth wire.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: February 21, 2023
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Hsiao-Tsung Yen, Ka-Un Chan
  • Patent number: 11587720
    Abstract: A multilayer coil component includes a multilayer body formed by stacking a plurality of insulating layers in a length direction and that has a built-in coil, and first and second outer electrodes that are electrically connected to the coil. The coil is formed by a plurality of coil conductors stacked in the length direction being electrically connected to each other. The first and second outer electrodes respectively extend along and cover at least parts of first and second end surfaces and parts of a first main surface. A stacking direction of the multilayer body and a coil axis direction of the coil are parallel to the first main surface. A low-dielectric-constant layer having a smaller relative dielectric constant than the insulating layers is provided between the multilayer body and the part of the first outer electrode that extends along the first main surface.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: February 21, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Atsuo Hirukawa
  • Patent number: 11587709
    Abstract: An inductor device includes a first wire, a second wire, an input terminal, a third wire, a fourth wire, and an eight-shaped inductor structure. The first wire is disposed in a first area. The second wire is disposed in a second area. The input terminal is disposed on a first side of the second area. The third wire is disposed in the first area and at least partially overlapped with the first wire in a vertical direction, in which the third wire is coupled to the first wire. The fourth wire is disposed in the second area and at least partially overlapped with the second wire in the vertical direction, in which the fourth wire is coupled to the second wire. The eight-shaped inductor structure is disposed on an outer side of the third wire and the fourth wire.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: February 21, 2023
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Hsiao-Tsung Yen, Ka-Un Chan
  • Patent number: 11581889
    Abstract: Apparatuses and methods for temperature and process corner sensitive control of power gated domains are described. An example apparatus includes an internal circuit; a power supply line; and a power gating control circuit which responds, at least in part, to a first change from a first state to a second state of a control signal to initiate supplying a power supply voltage from the power supply line to the internal circuit, and continue supplying the power supply voltage from the power supply line to internal circuit for at least a timeout period from a second change from the second state to the first state of the control signal, in which the timeout period represent temperature dependency.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: February 14, 2023
    Assignee: Micron Technology, Inc.
    Inventor: Simon J. Lovett
  • Patent number: 11581871
    Abstract: Nonlinear acoustic media and related methods are described herein. The nonlinear acoustic media are configured to generate higher harmonic output signals from a single-frequency input signal. The higher harmonic output signals can be generated through the coupling of an acoustic dielectric medium to a nonlinear piezoelectric medium having four ports.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: February 14, 2023
    Assignee: FemtoDx, Inc.
    Inventor: Pritiraj Mohanty
  • Patent number: 11581885
    Abstract: A pre-charge control circuit includes a control unit, a conversion unit, and a pre-charge switch. The control unit provides a control signal according to a PWM signal, and the conversion unit provides a control voltage according to the control signal. The pre-charge switch adjusts a magnitude of the current flowing through the input path of the electronic circuit according to the control voltage.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: February 14, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Li-Ching Yang, Wen-Lung Huang, Sheng-Hua Li
  • Patent number: 11575372
    Abstract: A power supply system for USB Power Delivery includes a current source drive circuit to control a power FET to regulate the supply of power along a power path. The current source drive circuit includes a cascode current source and a cascode protection circuit formed by a source follower and a feedback voltage divider. The source follower can be a transistor with its gate connected to a cascode node between upper- and lower-stage transistors of the cascode current source. The divider node of the voltage divider is connected to the gate of the lower-stage transistor. The current source drive circuit can operate within the gate-source voltage specifications of 30-volt DEPMOS devices, and can provide high output impedance to the gate of power FET and a current limit circuit during current limiting operation, without requiring an extra high-voltage mask during fabrication.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: February 7, 2023
    Assignee: Texas Instruments Incorporated
    Inventors: Sujan Kundapur Manohar, Michael James Mills, Justin Patrick Vogt
  • Patent number: 11575373
    Abstract: Switch circuitry is disclosed having a series stack of transistors coupled between first and second port terminals. A string of gate resistors having a common gate terminal is coupled to gates of the series stack of transistors. A bias control transistor has a bias control terminal and first and second current terminals. The second control terminal is coupled to a switch control terminal configured to receive on-state and off-state control voltages that transition the series stack of transistors between passing a radio frequency signal and blocking the radio frequency signal from passing between the first and second port terminals, respectively. A string of diodes is coupled between the common gate terminal and the first current terminal, and a common gate resistor is coupled between the common gate terminal and the switch control terminal. The diodes contribute to actively generating additional negative gate bias as RF power level increases.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: February 7, 2023
    Assignee: Qorvo US, Inc.
    Inventor: Charles Forrest Campbell
  • Patent number: 11567516
    Abstract: A power management circuit includes an inverter circuit and a latch circuit. The inverter circuit is configured to receive a first control signal from an inverter input terminal and generate a second control signal at an inverter output terminal. The first control signal carries power status information of a first supply voltage. The latch circuit has a latch supply terminal, a first latch input terminal and a second latch input terminal. The latch supply terminal is coupled to a second supply voltage becoming ready before the first supply voltage. The first latch input terminal and the second latch input terminal are coupled to the inverter output terminal and the inverter input terminal respectively. The latch circuit is configured to generate a third control signal according to respective signal levels of the first control signal and the second control signal, and accordingly perform power control of an integrated circuit.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: January 31, 2023
    Assignee: M31 TECHNOLOGY CORPORATION
    Inventors: Ching-Hsiang Chang, Chih-Chieh Yao, Chun-Hsiang Lai
  • Patent number: 11569796
    Abstract: A passband filter includes a first and second microelectromechanical resonator system, each including a resonating beam, a drive electrode, and a sense electrode. An AC input signal is coupled to the drive electrode of the first and second microelectromechanical resonator system. A differential-to-single ended amplifier has a first input and second input respectively coupled to the sense electrodes of the first and second microelectromechanical resonator systems. An output of the differential-to-single ended amplifier is an output of the passband filter that provides a bandpass filtered signal of the AC input signal. A DC bias signal is coupled to the resonating beams of the first and second microelectromechanical resonator systems.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: January 31, 2023
    Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Saad Ilyas, Mohammad Ibrahim Younis
  • Patent number: 11569812
    Abstract: Methods and devices to address the undesired DC voltage distribution across switch stacks in OFF state are disclosed. The disclosed devices include charge control elements that sample the RF signal to generate superimposed voltages at specific points of the switch stack biasing circuit. The provided voltages help reducing the drooping voltages on drain/source/body terminals of the transistors within the stack by supplying the current drawn by drain/source terminals of the stacked transistors and/or by sinking the body leakage current exiting the body terminals of such transistors. Methods and techniques teaching how to provide proper tapping points in the biasing circuit to sample the RF signal are also disclosed.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: January 31, 2023
    Assignee: PSEMI CORPORATION
    Inventors: Eric S. Shapiro, Simon Edward Willard
  • Patent number: 11567890
    Abstract: In one aspect, an electronic device includes a switching circuit connected to a resistance circuit and ground, the resistance circuit connected to a port and the port configured to be connected in series to an external resistor and a supply voltage. A voltage at the port is a first voltage that is less than the supply voltage if the switching circuit is enabled to be a closed circuit and the voltage at the port is a second voltage that is equal to the supply voltage if the switching circuit is enabled to be an open circuit.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: January 31, 2023
    Assignee: Allegro MicroSystems, LLC
    Inventors: Wade Bussing, Maxwell McNally