Patents Examined by Kevin J Comber
  • Patent number: 11899445
    Abstract: Embodiments of this present disclosure may include a system with a first power converter and a control system. The first power converter may supply a first output power to a first backplane at least sometimes concurrent to a second power converter supplying a second output power to a second backplane. The control system may be electrically coupled to the first backplane and the second backplane. The control system may balance a first electrical property and a second electrical property provided to each of one or more load components electrically coupled to the first backplane and the second backplane.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: February 13, 2024
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: Stephen E. Denning, Sean P. Overberger, James R. Hissem
  • Patent number: 11894186
    Abstract: A magnetic manipulation system and method for moving and navigating a magnetic device in a body are provided. The system includes a robotic parallel mechanism having at least three electromagnets and at least three electromagnetic coils coupled to the at least three electromagnets, respectively. The electromagnetic coils are actuated to keep the electromagnets in static conditions or move the electromagnets along a desired trajectory, a current control unit supplying currents to the electromagnetic coils which have soft iron cores. The currents supplied by the control unit are configured to generate dynamic magnetic field in the soft iron core's linear region. The current control unit and the robotic parallel mechanism are configured to generate desired dynamic magnetic fields in desired positions within a workspace to control a magnetic device, and a three-dimensional position sensor is configured for performing a close loop control of the robotic parallel mechanism.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 6, 2024
    Assignee: Multi-Scale Medical Robotics Center Limited
    Inventors: Li Zhang, Lidong Yang, Moqiu Zhang
  • Patent number: 11894770
    Abstract: A Voltage Regulator Module (VRM) includes a first voltage rail circuit board oriented in a first plane having formed therein a first plurality of conductors and configured to produce a first rail voltage, a second voltage rail circuit board oriented in a second plane that is substantially parallel to the first plane having formed therein a second plurality of conductors and configured to produce a second rail voltage. The VRM also includes a first capacitor circuit board oriented in a third plane that is substantially perpendicular to the first plane and a second capacitor circuit board oriented in a fourth plane that is substantially parallel to the third plane. The VRM includes a plurality of conductors intercoupling the first voltage rail circuit board, the first capacitor circuit board, the second voltage rail circuit board, and the second capacitor circuit board.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: February 6, 2024
    Assignee: Tesla, Inc.
    Inventors: Shishuang Sun, Kevin Hurd, Satyan Chandra
  • Patent number: 11888310
    Abstract: Methods and apparatus to monitor the precharging of high voltage circuits are disclosed. In one embodiment, an apparatus includes a switch that selectively enables or disables precharge current to a high voltage circuit based on a switch control signal. The apparatus also includes a comparison circuit that compares a scaled version of a circuit voltage to a reference voltage to generate the switch control signal. In one embodiment, the switch control signal is generated to enable the precharge current when the scaled version of the circuit voltage is greater than the reference voltage.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: January 30, 2024
    Assignee: Motiv Power Systems, Inc.
    Inventors: Venkatesh Prasad Hanglur Narasimha, James Michael Castelaz
  • Patent number: 11888304
    Abstract: An integrated circuit with a hot-plug protection circuit includes input pins and an output pin. The input pins are electrically coupled to a common node in the hot-plug protection circuit via respective electrical connections. The integrated circuit includes clamping circuitry coupled between the common node and the output pin, the clamping circuitry activatable as a result of a voltage spike applied across the clamping circuitry. The plurality of electrical connections and the clamping circuitry provide respective current discharge paths between the input pins in the input pins and the output pin, the respective current discharge paths configured to become conductive as a result of a voltage spike applied to any of the input pins in the plurality of input pins being transferred to the common node via the respective electrical connection in the plurality of electrical connections electrically coupling said any of said input pins to the common node.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: January 30, 2024
    Assignee: STMicroelectronics S.r.l.
    Inventors: Vittorio D'Angelo, Salvatore Cannavacciuolo, Sergio Lecce, Valerio Bendotti, Orazio Pennisi
  • Patent number: 11887808
    Abstract: A thermal electrostatic clamp has a central electrostatic portion associated with a central region of a workpiece. A central body has a clamping surface and one or more electrodes are associated with the central body. One or more electrodes selectively electrostatically clamp at least the central region of the workpiece to the clamping surface based on an electrical current passed therethrough. One or more first heaters of the central body selectively heat the central electrostatic portion to a first temperature. A non-electrostatic peripheral portion associated with a peripheral region of the workpiece has a peripheral body encircling the central body, separated by a gap. The peripheral body is positioned beneath the peripheral region of the workpiece. The peripheral portion does not electrostatically clamp the peripheral region of the workpiece. One or more second heaters of the peripheral body selectively heat the non-electrostatic peripheral portion to a second temperature.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: January 30, 2024
    Assignee: Axcelis Technologies, Inc.
    Inventors: Atul Gupta, Scott E Galica
  • Patent number: 11889661
    Abstract: An integrated circuit thermal management system includes an enclosure, a heat exchanger, an integrated circuit, a slide having a moveable slide body, an electromagnetic coil, a magneto caloric material and controller circuitry. The heat exchanger is positioned on a first side of the enclosure, and the integrated circuit is positioned on a second side of the enclosure with a temperature sensor configured to generate a temperature signal indicative of a temperature of the integrated circuit. The slide is disposed in the enclosure extending between the heat exchanger and the integrated circuit. The electromagnetic coil and the magnetocaloric material are included on the slide body. The controller is configured to control energization of the magnetic coil and movement of the magnetocaloric material on the slide body between the heat exchanger and the integrated circuit based on the temperature signal.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: January 30, 2024
    Assignees: ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC., ROLLS-ROYCE CORPORATION
    Inventors: Richard Joseph Skertic, Eric E. Wilson, John Joseph Costello
  • Patent number: 11876445
    Abstract: An apparatus such as a power supply includes a controller and multiple power converter phases. The controller controls operation of the multiple power converter phases to produce an output voltage that powers a load. The multiple power converter phases are coupled in parallel to convert an input voltage into an output voltage. The controller further controls a flow of current through a series circuit path connecting multiple windings of the multiple power converter phases to operate the power supply in different modes.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 16, 2024
    Assignee: Infineon Technologies Austria AG
    Inventors: Yong Zhou, Danny Clavette, Jens A. Ejury, Prasan Kasturi, Kushal Kshirsagar
  • Patent number: 11876090
    Abstract: An electrostatic discharge protection circuit capable of clamping both positive and negative ESD events and passing signals is provided. Generally, the circuit includes a p-channel field-effect transistor (PFET) clamp coupled to a pin to be protected, the PFET clamp including a plurality of PFETs in a DN-well, an n-channel field-effect transistors (NFET) clamp coupled between ground and the pin through the PFET clamp, the NFET clamp including a plurality of NFETs coupled in series, and a bias network for biasing a voltage of the DN well to substantially equal a voltage on the pin when the voltage on the pin is greater than ground potential, and to ground potential when the pin voltage is less than ground potential. The plurality of are PFETs coupled in parallel between the pin and the NFET clamp, each of the PFETs is coupled to the pin though one of a plurality ballast resistors.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: January 16, 2024
    Assignee: Cypress Semiconductor Corporation
    Inventors: David Michael Rogers, Eric N. Mann, Eric Lee Swindlehurst, Toru Miyamae, Timothy John Williams, Ryuta Nagai, Sungkwon Lee, Ravindra M. Kapre, Mimi Xuefeng Zhao Qian, Yan Yi, Dung Si Ho, Boo Chin-Hua
  • Patent number: 11870348
    Abstract: An integrated circuit device includes: an input stage configured to receive first and a second input signals and generate a first voltage based on the first input signal and generate a second voltage based on the second input signal; an amplification stage configured to generate a first output current based on the first voltage and a second output current based on the second voltage; a bias stage configured to generate a bias voltage for the amplification stage based on the first and second voltages; a load stage configured to output a differential voltage signal proportional to a current through a device for which current is sensed based on a comparison of the first and second output currents; and an output stage configured to output a signal to control a duty cycle of the device for which current is sensed.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: January 9, 2024
    Assignee: Empower Semiconductor, Inc.
    Inventors: Narendra Nath Gaddam, Trey Roessig
  • Patent number: 11871683
    Abstract: A charging and field supplement circuit for superconducting magnets based on a pulsed current includes a capacitor charging circuit, an energy-storage capacitor, a capacitor discharging circuit, a superconducting magnetic energy storage circuit, and a superconducting persistent-current switch. Two output ends of the capacitor charging circuit are respectively connected to two ends of the energy-storage capacitor. Two input ends of the capacitor discharging circuit are respectively connected to the two ends of the energy-storage capacitor. Two output ends of the capacitor discharging circuit are respectively connected to two input ends of the superconducting magnetic energy storage circuit. Two output ends of the superconducting magnetic energy storage circuit are respectively connected to two input ends of the superconducting persistent-current switch. Two output ends of the superconducting persistent-current switch are configured to charge and magnetize a target superconducting magnet.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: January 9, 2024
    Assignee: SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Xiaofen Li, Zhiwei Zhang, Zhijian Jin, Yanbo Bi
  • Patent number: 11869737
    Abstract: Systems and methods are described for a push-button switch assembly with the ability to diagnose faults. The push-button switch assembly comprises a first circuit comprising a first resistor arranged in series with a first switch, and a second resistor arranged in parallel with the first resistor and the first switch, and a second circuit comprising a third resistor arranged in series with a second switch, and a fourth resistor arranged in parallel with the third resistor and the second switch, wherein the first switch and the second switch are each closable by displacement of a push-button of the push-button switch assembly.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: January 9, 2024
    Assignee: Ford Global Technologies, LLC
    Inventors: Paul Braithwaite, Martin Scheck, James Michael Weinfurther, Gabriel Dascalu, Eric L Reed
  • Patent number: 11870237
    Abstract: A surge suppression circuit is used in a rotating electrical machine system including a switching circuit composed of a plurality of switching elements and a rotating electrical machine connected thereto via an electrically conducting path comprising a plurality of electrically conductive bodies. The surge suppression circuit suppresses surge voltage generated in a plurality of connecting lines connecting the plurality of electrically conductive bodies to windings of plural phases of the rotating electrical machine. The surge suppression circuit includes a plurality of upper diodes with anodes respectively connected to the plurality of connection lines, a plurality of lower diodes with cathodes respectively connected to the plurality of connection lines, an upper line connected to respective cathodes of the plurality of upper diodes, a lower line connected to respective anodes of the plurality of lower diodes, and a voltage holding circuit connected between the upper line and the lower line.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: January 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Yuta Sugiyama, Haruyasu Komano
  • Patent number: 11863089
    Abstract: Process chamber, high voltage measurement systems and methods for monitoring the output of a high voltage power supply are described. The output of the high voltage power supply is converted using a transducer and measured with high accuracy. A high voltage measurement system compares the converted value with a threshold criterion and actuates an interlock if readings are outside the threshold.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: January 2, 2024
    Assignee: Applied Materials, Inc.
    Inventor: Prakash Ravanan
  • Patent number: 11862440
    Abstract: Semiconductor processing equipment and an electrostatic chuck include a semiconductor having: an upper electrode; a gas supplier connected to the upper electrode; and a substrate supporting structure spaced apart from the upper electrode to define a processing volume. The substrate supporting structure supports a substrate and includes: a lower electrode having a side area disposed outside a step formed at an outer perimeter portion of the lower electrode and a processing area disposed inside the step; a first plate disposed on the lower electrode; an attraction electrode disposed on the first plate; and a second plate disposed on the attraction plate. The second plate supports the substrate in a state in which the substrate is laid on an upper surface of the second plate. Each of the first plate and the second plate includes ceramic. The lower electrode has a maximum height at a central portion of the processing area.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: January 2, 2024
    Inventors: Jeongil Mun, Jinyoung Park, Jongwoo Sun, Hyungjoo Lee
  • Patent number: 11855437
    Abstract: An electrical receptacle contains a plug outlet that has a pair of contacts for electrical connection to respective hot and neutral power lines. A controlled switch, such as a TRIAC, is connected in series relationship between the outlet contact and the hot power line. Sensors in the receptacle outputs signals to a processor having an output coupled to the control terminal of the controlled switch. The processor outputs an activation signal or a deactivation signal to the controlled switch in response to received sensor signals that are indicative of conditions relative to the first and second contacts.
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: December 26, 2023
    Assignee: Brainwave Research Corporation
    Inventors: John Eriksen, Jean-Guy Gagne, Rene K. Pardo
  • Patent number: 11853092
    Abstract: A device is provided. The device includes an operational amplifier, an output circuit, a first capacitor, and a second capacitor. The operational amplifier is configured to generate an output according to a feedback signal. The output circuit is configured to generate a first current signal in response to a supply voltage and the output of the operational amplifier. The first current signal includes a first ripple signal. The first capacitor and the second capacitor are coupled in parallel between the operational amplifier and the output circuit. The first capacitor is configured to receive the first current signal and feedback to the operational amplifier the first ripple signal.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yi-Hsiang Wang, Jaw-Juinn Horng
  • Patent number: 11855435
    Abstract: Systems and methods for tripping open circuit interrupters based on the detection of an arc flash using an accessory arc flash detection module are disclosed. The housing of the arc flash detection module is structured to be installed within the frame of a circuit interrupter. The detection module communicates with light sensors structured to detect light from arc flash events, and includes a controller configured to communicate with an electronic trip unit of the circuit interrupter. In one embodiment, the detection module is configured to alert the electronic trip unit that light indicative of arc flash conditions has been detected such that the electronic trip unit can determine whether or not to initiate a trip after determining the magnitude of current flowing through the circuit interrupter. In another embodiment, the detection module is configured to directly actuate a trip of the circuit interrupter based on the detection of light.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: December 26, 2023
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: James L. Lagree, Christopher M. Finen, Patrick Martinez Garcia, Xavier Ignacio Pacheco Paulino
  • Patent number: 11853091
    Abstract: A voltage regulating device and a mode switching detecting circuit are provided. The mode switching detecting circuit is configured to reset a soft start circuit of the voltage regulating device. The mode switching detecting circuit includes a mode switching signal detector, a reset signal generator, and a reset status detector. The mode switching signal detector receives a mode switching signal and generates a setting signal according to a transition edge of the mode switching signal. The reset signal generator is coupled to the mode switching signal detector and generates a reset activating signal according to the setting signal. The reset activating signal drives the soft start circuit to perform a reset operation. The reset status detector compares an output voltage of the soft start circuit and a reference voltage to generate a clear signal. The reset signal generator clears the reset activating signal according to the clear signal.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: December 26, 2023
    Assignee: ALi Corporation
    Inventor: Andrew Yang Lee
  • Patent number: 11848223
    Abstract: An electrostatic chuck device includes: a mounting table provided with amounting surface on which a plate-shaped sample is mounted; an annular focus ring; and a cooling element for cooling the focus ring, in which the mounting table has a holding portion provided to surround the mounting surface, and the holding portion includes an annular groove surrounding the mounting surface, and a through-hole that is open on a bottom surface of the groove, wherein a tubular insulator has been inserted into the through-hole, the holding portion has upper surfaces, which are located on both sides of the groove in a width direction, as holding surfaces that are in contact with the focus ring and hold the focus ring, wherein the holding surface satisfies the following conditions (i) to (iii); (i) surface roughness is 0.05 ?m or less, (ii) a flatness is 20 ?m or less, and (iii) the holding surface does not have a recess having a depth of 1.0 ?m or more and extending in a direction intersecting the holding surface.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: December 19, 2023
    Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
    Inventors: Hironori Kugimoto, Masaki Ozaki, Takeshi Watanabe, Kentaro Takahashi