Patents Examined by Akm Zakaria
  • Connector inspection instrument, connector set
    Patent number: 11428754
    Abstract: A receptacle includes a pair of spare terminals that are located on both sides of a plurality of receptacle terminals in a longitudinal direction and are short-circuited. A plug includes a pair of relay electrodes that respectively come in contact with the pair of spare terminals when the plug is connected to the receptacle. A connector inspection instrument includes a conduction detecting circuit and a pair of terminal support portions supporting a pair of inspection terminals, and a displacement mechanism. The displacement mechanism supports one or both of the pair of terminal support portions in such a way as to displace the one or both of the pair of terminal support portions in a width direction to narrow or widen an interval between the pair of inspection terminals.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: August 30, 2022
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Koji Izumi, Tomohiko Yamakawa, Masaru Takagi, Hayato Mori
  • System and method for detecting the position of a cover of an electrical connector
    Patent number: 11431136
    Abstract: A trailer tow connector including: at least one set of terminals for coupling to corresponding terminals of a trailer connector; a cover having a closed position for covering the terminals and an open position for providing access to the terminals for connecting corresponding terminals of the trailer connector thereto; a magnet coupled to the cover; and a magnetic field sensor, the magnetic field sensor being configured to provide a first output when the cover is in the closed position and a second output different from the first output when the cover is in an open position.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 30, 2022
    Assignee: STONERIDGE CONTROL DEVICES, INC.
    Inventors: Robert O. Southworth, Karanjit Singh Saini, Robert DiTommaso, Austin Waid-Jones
  • Motor driving device
    Patent number: 11424710
    Abstract: A motor driving device includes an acquisition unit configured to acquire multiple pieces of data in data acquisition periods having different lengths; a selection unit configured to select a piece of data from among the multiple pieces of data, based on timing at which a switching circuit switches switching devices; and a control unit configured to control the switching circuit based on the selected data.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: August 23, 2022
    Assignee: FANUC CORPORATION
    Inventors: Masaya Tateda, Yasuyuki Matsumoto
  • Arc detection circuit, switch system, power conditioner system and arc detection method
    Patent number: 11418018
    Abstract: An arc detection circuit includes: a current detector that detects a current supplied from a power supply apparatus via a transmission path; a voltage detector that detects a voltage applied to the transmission path; and an arc determination unit configured to determine whether an arc has occurred in the transmission path based on the voltage, when one or more particular frequency components of the current exceed a first threshold.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: August 16, 2022
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Tatsuo Koga
  • Methods for detecting sensor faults in a consumer appliance
    Patent number: 11402422
    Abstract: A method for operating a consumer appliance, as provided herein, may include detecting a preliminary first conversion value from a first sensor input pin electrically connected to an analog-to-digital converter (ADC) and detecting a preliminary second conversion value from a second sensor input pin electrically connected to the ADC in electrical parallel with the first sensor input pin. The method may further include determining a preliminary variation between the preliminary first and second conversion values is less than or equal to a predetermined preliminary threshold. The method may still further include activating a pull-up resistor in electrical communication with the first sensor input pin, identifying a fault state in response based on a conversion value variation following activating the pull-up resistor, and directing the appliance based on the determined fault state.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: August 2, 2022
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Paul Goodjohn, Andrew L. Reder
  • RF coil device and RF shield device for different MRI modes
    Patent number: 11402450
    Abstract: The present invention provides a radio frequency (RF) shield device (124) for a magnetic resonance (MR) examination system (110), whereby the RF shield device (124) comprises a first shield (250) and a second shield (252), the first shield (250) and the second shield (252) are arranged with a common center axis (118), the first shield (250) has a shield structure (254) different from a shield structure (254) of the second shield (252), and the first shield (250) and the second shield (252) are designed in accordance with different modes of operation of a RF coil device (140).
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: August 2, 2022
    Assignee: Koninklijke Philips N.V.
    Inventors: Christoph Leussler, Christian Findeklee, Oliver Lips
  • Evaluation method
    Patent number: 11402406
    Abstract: An evaluation method is a method for evaluating a charging connector in coolability by connecting an evaluation jig to the charging connector, the charging connector including a pair of male terminals coolable with a coolant, the evaluation jig including a pair of female terminals, the pair of female terminals being connected to the pair of male terminals in evaluating the charging connector in coolability. The method comprises: connecting the pair of female terminals to the pair of male terminals; adjusting a connection state between the male terminal and the female terminal such that contact resistance between the terminals is 0.06 m? or more and 0.15 m? or less; and after the adjusting, evaluating the coolability depending on whether the male and female terminals have a temperature of 90° C. or lower when a charging current of 400 A is supplied to the terminals for 30 minutes.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: August 2, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hisato Kawahara, Hiroaki Yuasa, Hidetoshi Kusumi
  • System and method for determining at least one characteristic of a transmitting coil
    Patent number: 11397222
    Abstract: A system for determining at least one characteristic of a transmitting coil generating a magnetic field may include a first measurement coil being wound in a first direction, a second measurement coil being wound in a second direction, a voltage measuring device, and at least one processor in communication with the voltage measuring device. The first measurement coil and the second measurement coil may be adjacent to one another. The voltage measuring device may be configured to measure a first voltage of the first measurement coil and a second voltage of the second measurement coil in response to the magnetic field generated by the transmitting coil. The at least one processor may be configured to determine the at least one characteristic of the transmitting coil based on a ratio between the first voltage and the second voltage at a predetermined frequency.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: July 26, 2022
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Taehwa Lee, Daniel Hashemi, Hideo Iizuka
  • Measuring shunt
    Patent number: 11385262
    Abstract: A measuring shunt includes a resistance element and a magnetic core. The resistance element includes two main contacts and a middle section extending between the main contacts for conducting an electrical current between the two main contacts through the middle section. The magnetic core extends in an annular manner around the middle section of the resistance element.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: July 12, 2022
    Assignee: Siemens Aktiengesellschaft
    Inventor: Roland Lorz
  • Electrical rail mount device and cover for an electrical ratl mount device
    Patent number: 11378587
    Abstract: A cover for an electrical rail mount device is provided. Further, an electrical rail mount device for mounting on a rail is provided, comprising at least ono input terminal configured to receive an input line, fixing means configured to fix the input line to the input terminal to establish an electrical connection, a lockable cover reversibly movable from an open state into a closed state, whereas the cover is configured to cover the fixing means in the closed state, such that the fixing means can only be accessed by moving the cover from the closed state into the open state, an electrical element arranged in the cover and configured to provide an electrical function to an active electronic element of the electrical rail mount device, wherein an electrical connection is provided between the electrical element and the active electronic element.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: July 5, 2022
    Assignee: Carlo Gavazzi Services AG
    Inventors: Denis Fregona, Claudio Balcon
  • Frequency measurement for load shedding and accurate magnitude calculation
    Patent number: 11381084
    Abstract: A method includes receiving electrical measurements of an input signal of a power system. The method includes determining an estimated frequency of the power system using a rate of change of phase of the power system and using zero crossings of the power system. Selection between using the rate of change of phase of the power system and using zero crossings of the power system is based on a comparison between an estimated phase angle and a measured phase angle of the power system.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: July 5, 2022
    Assignee: Schweitzer Engineering Laboratories, Inc.
    Inventors: Marcos A. Donolo, Jay Hartshorn, Veselin Skendzic, Chandrasekaran Swaminathan, Vinod K. Yedidi, Angelo D'Aversa, Hang Li, Subhash C. Patel
  • Closed-loop compensation of current measurement offset errors in alternating current motor drives
    Patent number: 11378597
    Abstract: Systems and methods for compensating for a current measurement offset error in a permanent magnet synchronous motor (PMSM) drive are disclosed. The systems and methods include reading an output voltage command signal, extracting a signature of a current measurement offset error from the output voltage command signal, and compensating, based on the signature, for the current measurement offset error in a closed-loop using a feedback path.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: July 5, 2022
    Assignee: Steering Solutions IP Holding Corporation
    Inventors: Prerit Pramod, Zhe Zhang, Krishna MPK Namburi, Infane O. Lowe, Aparna Saha
  • Method of manufacturing electronic device
    Patent number: 11366179
    Abstract: A method of manufacturing an electronic device includes the following steps. A substrate is provided, and the substrate has a first surface, a second surface opposite to the first surface and a side surface between the first surface and the second surface. A first circuit is formed on the first surface. A second circuit is formed on the second surface. The first circuit is made to electrically connect with the second circuit. A testing signal is applied to the first circuit and received from the second circuit to verify the electrical connection between the first circuit and the second circuit.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: June 21, 2022
    Assignee: Innolux Corporation
    Inventors: Jia-Yuan Chen, Tsung-Han Tsai, Kuan-Feng Lee
  • Component carrier with integrated flux gate sensor
    Patent number: 11366181
    Abstract: A component carrier with an integrated magnetic field sensor is disclosed. The component carrier includes a plurality of electrically conductive layer structures and/or electrically insulating layer structures; an excitation coil and sensor coils arranged on and/or in the layer structures; a first magnetic structure above the excitation coil and sensor coils; and a second magnetic structure below the excitation coil and sensor coils.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: June 21, 2022
    Assignee: AT&S Austria Technologie & Systemtechnik Aktiengesellschaft
    Inventors: Gernot Schulz, Alexander Kasper, Marco Gavagnin, Martin Lenzhofer, Michael Ortner
  • Method for inspecting insertion states of pins inserted into substrate, and substrate inspection apparatus
    Patent number: 11360159
    Abstract: A substrate inspection apparatus may include a communication circuit, a plurality of light sources, an image sensor, at least one memory, and at least one processor. The processor may be configured to generate pin insertion state information indicating an insertion state of each of a plurality of first pins by using a pattern light reflected from each of the plurality of first pins, detect at least one second pin having an insertion defect from among the plurality of first pins by using at least one of the pin insertion reference information and the pin insertion state information of each of the plurality of first pins, generate a control signal for adjusting at least one first process parameter among a plurality of process parameters of the pin insertion apparatus, and control the communication circuit to transmit the control signal to the pin insertion apparatus.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: June 14, 2022
    Assignee: KOH YOUNG TECHNOLOGY INC.
    Inventors: Dae Sung Koo, Woo Young Lim, Yong Kim
  • Test socket
    Patent number: 11353497
    Abstract: A test socket includes a pedestal. The pedestal includes a central pedestal including a central contact portion coming in contact with a central region of a bottom surface of a semiconductor package and a plurality of insertion holes formed to correspond to a plurality of solder balls projecting from the bottom surface of the semiconductor package, so as to allow the solder balls to be inserted into respective insertion holes. The pedestal further includes a circumferential pedestal separated from the central pedestal by a space having an opening width larger than a diameter of the insertion hole and including a circumferential contact portion coming in contact with a circumference of the bottom surface of the semiconductor package.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: June 7, 2022
    Assignee: Yamaichi Electronics Co., Ltd.
    Inventor: Takanori Nose
  • Wafer inspection method and wafer probing system
    Patent number: 11353501
    Abstract: A wafer inspection method, wherein a motorized chuck stage is controlled by a control rod to be displaced between an upper position and a lower position along Z-axis direction, to change a relative position of a wafer on the motorized chuck stage relative to a probe. The control rod is movable between an upper and an lower limit positions. The wafer inspection method includes: determining a position of the control rod based on a measurement signal; determining a first moving direction and a moving distance of the control rod based on a change of the measurement signal; generating a control signal based on the moving distance of the control rod; controlling the motorized chuck stage to be displaced along a second moving direction opposite to the first moving direction; and controlling an objective lens module to keep focusing on the wafer when the motorized chuck stage is on the move.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: June 7, 2022
    Assignee: MPI CORPORATION
    Inventors: Lin-Lin Chih, Chien-Hung Chen, Guan-Jhih Liou, Yu-Hsun Hsu
  • Detecting method and detecting circuit of LCD panel
    Patent number: 11348496
    Abstract: A detecting method and a detecting circuit of a LCD panel are provided. The method includes steps of: a detecting module in real time detecting a waveform of a pulse detecting signal inputted into the LCD panel; providing a feedback of the waveform of the pulse detecting signal to a pulse output module; determining whether the waveform of the pulse detecting signal is deformed by the pulse output module; correcting the pulse detecting signal by the pulse output module if the waveform of the pulse detecting signal is determined to be deformed; inputting a corrected pulse detecting signal to the LCD panel to detect the LCD panel. The disclosure prevents from abnormal display panel images resulted from a shorting bar lit-up method, reduces over checking or missing, and find out defects quickly and correctly by operators or detecting equipment to enhance quality and benefits and to reduce cost.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 31, 2022
    Inventors: Chaoqun Wang, Kewei Wu
  • Electrical contactor and electrical connecting apparatus
    Patent number: 11340289
    Abstract: An electrical contactor capable of coping with an electrical test under a high temperature environment and realizing reliable positioning is provided.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: May 24, 2022
    Assignee: KABUSHIKI KAISHA NIHON MICRONICS
    Inventor: Eichi Osato
  • Apparatus, method, battery pack and electrical system for determining electrode information of battery
    Patent number: 11338699
    Abstract: An apparatus and method for determining electrode information of a battery including a positive electrode and a negative electrode, and a battery pack including the apparatus. The apparatus includes a sensing unit configured to measure a voltage and a current of the battery, and a processor. The processor generates a V-dQ/dV curve based on the voltage and the current of the battery. The V-dQ/dV curve indicates a relationship between V (the voltage of the battery) and dQ/dV (a ratio of an amount of change dQ of the remaining capacity to an amount of change dV of the voltage of the battery). The processor detects a plurality of feature points from the V-dQ/dV curve. The processor determines information associated with each of the first electrode and the second electrode as the electrode information based on the plurality of feature points.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: May 24, 2022
    Inventors: Yoon-Jung Bae, Dae-Soo Kim, Ji-Yeon Kim, Dong-Kyu Kim, Jae-Hyun Lee