Patents Examined by Thang X Le
  • Patent number: 11656260
    Abstract: An electromagnetic wave measurement point calculation program causing a computer to execute: a correction coefficient calculating function of calculating a correction coefficient for which an interval of heights of an antenna satisfies a sampling theorem based on a relative positional relation between a test body including a radiation source radiating a radiation interference wave and the antenna performing measurement of at least one of an electric field and a magnetic field of the radiation interference wave and a reflection coefficient of the radiation interference wave on a floor face on which the test body is placed; and a measurement height calculating function of sequentially calculating the heights of the antenna in a case in which the measurement is performed using the correction coefficient.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: May 23, 2023
    Assignee: TDK CORPORATION
    Inventors: Tomohiro Honya, Masataka Midori, Hiroshi Kurihara
  • Patent number: 11656262
    Abstract: According to some embodiments, a method of performing EMC testing of an ADV can be used According to some embodiments, a method of performing EMC testing of an ADV can be used to test how software and hardware components in the ADV are impacted in an indoor EMC testing environment. According to the method, the ADV can be positioned at a fixed spot in the indoor EMC testing environment, and can be driven in an autonomous driving mode for a predetermined period of time. One or more of the autonomous driving modules of the ADV are modified to accommodate the positioning of the ADV at the fixed spot and the indoor EMC testing environment. The ADV can determine if each of a plurality of performance parameters meets its performance metric during the predetermined period of time. If each performance parameters meets its performance metric, the ADV is considered to have passed the EMC testing.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: May 23, 2023
    Assignee: BAIDU USA LLC
    Inventor: Fan Zhu
  • Patent number: 11654219
    Abstract: A medicament preparation system includes a disposable cartridge with a flow path. Various sensors may be placed on the cartridge to measure qualities of the fluid flowing through the flow path. The sensors are placed in precise locations using various approaches that make manufacturing of the cartridge efficient and repeatable. A drain line that is susceptible to fouling may be preattached and various approaches are used to remove or reduce the fouling. An elastomeric contact can also be present in the medical preparation system and used in a conductivity measurement subsystem.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: May 23, 2023
    Assignee: NxStage Medical, Inc.
    Inventors: James M. Brugger, Jeffrey H. Burbank, Goetz Friederichs, Scott W. Newell, William J. Schnell, Orlando Soto
  • Patent number: 11644435
    Abstract: A DNA sequencing device and methods of making. The device includes a pair of electrodes having a spacing of no greater than about 2 nm, the electrodes being exposed within a nanopore to measure a DNA strand passing through the nanopore. The device can be made by depositing a conductive layer over a sacrificial channel and then removing the sacrificial channel to form the electrode gap.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: May 9, 2023
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: ShuaiGang Xiao, David S. Kuo, Xiaomin Yang, Kim Yang Lee, Yautzong Hsu, Michael R. Feldbaum
  • Patent number: 11644447
    Abstract: A hydrogen flame ionization detector includes a nozzle configured to eject a sample gas upward, a cylindrical collector provided above the nozzle with a longitudinal direction thereof vertically oriented, the collector being configured to collect ions generated by a hydrogen flame formed at a tip of the nozzle, an insulator provided to hold the collector therein in such a manner as to extend in a radially inward direction of the collector, and a collector housing configured to accommodate the collector therein in such a manner as to surround an outer peripheral surface of the collector while holding a peripheral portion of the insulator. An accumulation suppression structure is provided above the insulator to suppress a material emitted from an upper end of the collector from being accumulated in such a manner as to shorten an insulation distance between the collector and the collector housing.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: May 9, 2023
    Assignee: Shimadzu Corporation
    Inventor: Ryosuke Yamamoto
  • Patent number: 11645959
    Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a display area where an image is displayed; a peripheral area disposed outside the display area; a hole area disposed within the display area; a hole crack detection line disposed adjacent to the hole area to surround the hole area and having a first end and a second end that is separated from the first end; a first detection line extending from the peripheral area and connected to the hole crack detection line to constitute a first closed circuit; a second detection line extending from the peripheral area and connected to the hole crack detection line to constitute a second closed circuit; and a circuit portion connected to the first detection line and the second detection line.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: May 9, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Sae Lee, Won Kyu Kwak, Ji-Hyun Ka, Gyeong Nam Bang, Ki Myeong Eom
  • Patent number: 11635459
    Abstract: A tester apparatus is described. Various components contribute to the functionality of the tester apparatus, including an insertion and removal apparatus, thermal posts, independent gimbaling, the inclusion of a photo detector, a combination of thermal control methods, a detect circuitry in a socket lid, through posts with stand-offs, and a voltage retargeting.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: April 25, 2023
    Assignee: AEHR TEST SYSTEMS
    Inventors: Jovan Jovanovic, Kenneth W. Deboe, Steven C. Steps, Scott E. Lindsey
  • Patent number: 11630127
    Abstract: Some embodiments of the invention are directed to electrochemical fabrication methods for forming structures or devices (e.g. microprobes for use in die level testing of semiconductor devices) from a core material and a shell or coating material that partially coats the surface of the structure. Other embodiments are directed to electrochemical fabrication methods for producing structures or devices (e.g. microprobes) from a core material and a shell or coating material that completely coats the surface of each layer from which the probe is formed including interlayer regions. Additional embodiments of the invention are directed to electrochemical fabrication methods for forming structures or devices (e.g. microprobes) from a core material and a shell or coating material wherein the coating material is located around each layer of the structure without locating the coating material in inter-layer regions.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: April 18, 2023
    Assignee: University of Southern California
    Inventors: Ming Ting Wu, Rulon J. Larsen, III, Young Kim, Kieun Kim, Adam L. Cohen, Ananda H. Kumar, Michael S. Lockard, Dennis R. Smalley
  • Patent number: 11630155
    Abstract: A keyboard with wire aging self-adaption, a self-adaption method for keyboard, an electronic computing device readable medium with a stored program, and an electronic computing device program product are provided. In the keyboard, a processor feeds a scanning signal to each scanning line in turn during a scanning round. In response to the conduction state of one of switching elements, the processor detects a return signal on the corresponding return line and selects one or more scanning lines as a testing line. During a first duration in which the testing line maintains the scanning signal, according to the time difference between the starting points of the first duration and the return signal and the response time parameter corresponding to the testing line that is stored in the memory, the processor determines whether to update the response time parameter corresponding to the testing line that is stored in the memory.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: April 18, 2023
    Assignee: CHICONY ELECTRONICS CO., LTD.
    Inventors: Wei-Tse Hung, Chien-Tsung Chen
  • Patent number: 11624772
    Abstract: A method for identifying a malfunctioning current sensor in an electrical apparatus, in which an electrical power supply of the electrical apparatus is at least partly supplied by a switched-mode electrical power supply circuit connected to at least one current sensor which samples an electrical current in a phase conductor of an electrical installation, the power supply circuit delivering a regulated electrical voltage, the method including: determining a switching duty cycle of a power switch of the switched-mode electrical power supply; analysing the determined switching duty cycle; and identifying a failure condition if the behaviour of the switching duty cycle is representative of a malfunctioning of at least one of the current sensors.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: April 11, 2023
    Assignee: Schneider Electric Industries SAS
    Inventors: Pierre Blanchard, Jean-Baptiste Bernard, Stéphane Sicard
  • Patent number: 11622450
    Abstract: The invention relates to a marking device (02) for marking circuit boards (04) tested by means of a test device (01, 08), wherein the marking device (02) can be fixed to the test device (01, 08) in a defined target position, and wherein the marking device (02) has a marking member (06) which can engage the surface (05) of a circuit board (04), and wherein the marking member (06) can be driven by a drive mechanism (16) in order to apply a marking to the surface (05) of the circuit board (04) by an operating movement of the marking member (06) depending on the test result. The marking device (02) includes a fixation module (10) and a quick change module (11), wherein the marking device (02) can be fixed to the test device (01, 08) in the defined target position by means of the fixation module (10), and wherein the quick change module (11) includes the marking member (06) and the drive mechanism (16), and wherein the quick change module (11) can be replaced without removing the fixation module (10).
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: April 4, 2023
    Assignee: Ingun Prüfmittelbau GmbH
    Inventor: Bernd Boscher
  • Patent number: 11619688
    Abstract: A planar Hall sensing element includes a first pair of sensing electrodes mutually opposed in a first direction across the sensing element and a second pair of sensing electrodes mutually opposed in a second direction across the sensing element, with the second direction orthogonal to the first direction. A first pair of bias electrodes is mutually opposed in a third direction and a second pair mutually opposed in a fourth direction across the sensing element, the fourth direction orthogonal to the third direction. The third and fourth directions are rotated 45° with respect to the first and second directions so each sensing electrode is arranged between a bias electrode of the first pair and second pair. A DC bias current is supplied between the first and second pairs of bias electrodes. First and second Hall voltages are sensed at the first and second pairs of sensing electrodes.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: April 4, 2023
    Assignee: STMICROELECTRONICS S.R.L.
    Inventors: Marco Crescentini, Michele Biondi, Marco Tartagni, Aldo Romani, Roberto Antonio Canegallo
  • Patent number: 11614498
    Abstract: The present disclosure relates to a wireless neutral current sensor (WNCS) for monitoring a neutral cable of a capacitor bank. The WNCS may include a power storage device that provides power to allow the WNCS to send a test signal to a capacitor bank controller (CBC) of the capacitor bank to confirm operation of the WNCS during commissioning. The WNCS may include processing and communication circuitry that, during operation, detects an electrical characteristic on the neutral cable. The processing and communication circuitry may provide a message indicating the electrical characteristic to the CBC.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: March 28, 2023
    Assignee: Schweitzer Engineering Laboratories, Inc.
    Inventors: Kei Hao, Shankar V. Achanta, Raymond W. Rice
  • Patent number: 11609254
    Abstract: A testing apparatus for electromagnetically sensitive equipment includes a housing defining a testing chamber. The housing blocks transmission of electromagnetic waves from an external environment into the testing chamber and reduces reflection of electromagnetic waves within the testing chamber. The testing apparatus also includes a tube defining an air flow path between the testing chamber and the external environment. The tube blocks transmission of electromagnetic waves from the external environment into the air flow path. The tube includes a proximal end coupled to an opening in the housing such that the air flow path is fluidly coupled to the testing chamber via the opening, a distal end opposing the proximal end, and a bent segment extending between the proximal end and the distal end.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: March 21, 2023
    Assignee: Apple Inc.
    Inventors: Jr-Yi Shen, Sammer Al-Robaee, Ruska Patton, Jia-Woei Chen
  • Patent number: 11609259
    Abstract: The present disclosure provides a method for detecting an electrical discharge in an electrical apparatus. The method includes sensing an electromagnetic wave using an electrical sensor and generating an electric signal for a predetermined time period, sensing an acoustic wave using an acoustic sensor and generating an acoustic signal for the predetermined time period. The acoustic sensor is associated with at least one compartment of the electrical apparatus. Electrical data is generated based on a quasi-periodic characteristic of electric peak sequences of the electrical signal. Acoustic data is generated based on a quasi-periodic characteristic of acoustic peak sequences of the acoustic signal, wherein the electrical data is combined with the acoustic data to provide an operation status of the at least one compartment.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 21, 2023
    Assignee: ABB Schweiz AG
    Inventors: Kai Hencken, Yannick Maret, Jörg Gebhardt, Holger Kaul, Jörg Lehmann, Andrej Krivda
  • Patent number: 11609255
    Abstract: A shielding box for testing a transmission antenna and a reception antenna includes a first box, a second box, a third box, and an absorption material. The transmission antenna is positioned in the first box. The reception antenna is positioned in the third box. The absorption material is distributed over the inner surfaces of the first box, the second box, and the third box, respectively. The third box is connected through the second box to the first box. The second box provides a relatively narrow connection path for reducing the multipath interference between the transmission antenna and the reception antenna.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: March 21, 2023
    Assignee: QUANTA COMPUTER INC.
    Inventors: Shuenn-Shyan Chen, Te-Wei Liu
  • Patent number: 11609257
    Abstract: An experimental device for tripping properties of a high-voltage transmission line in a smoldering atmosphere, including a central information processor, a biomass fuel (BMF) property characterization module, a smoldering generation module, a smoldering smoke field property test module, a power frequency supply module and a tripping property test module. The experimental device and method for tripping properties of a high-voltage transmission line in a smoldering atmosphere, the present disclosure can explore the development conditions, processes, modes, properties and mechanisms of discharge in the smoldering atmosphere, and fully characterize the BMF such as forest vegetations from multiple aspects, to reproduce properties of forest vegetations in corridor areas of the high-voltage transmission line in multiple working conditions and reflect influences of properties of ground forest vegetations on the tripping properties of the high-voltage transmission lines.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: March 21, 2023
    Assignee: Nanjing Tech University
    Inventors: Fei You, Zhiliang Xu, Sheng Wang, Zhenhua Wang, Kai Shui, Yaopeng Zhao, Siyi Chen
  • Patent number: 11598801
    Abstract: A method for factory analysis and/or maintenance, preferably including receiving factory information and/or associating defects with factory components, and optionally including acting based on defect associations and/or operating factory machines. The method is preferably associated with one or more manufacturing systems and/or elements thereof.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: March 7, 2023
    Assignee: Arch Systems Inc.
    Inventors: Timothy Matthew Burke, Andrew Galen Scheuermann
  • Patent number: 11598656
    Abstract: An encoder (10) for determining an angular position, the encoder (10) comprising a shaft (14, 16), a housing (18) and a transition region (32), the shaft (14, 16) projecting outwards from the housing (18) into the transition region (32), a measuring element (20) connected to the shaft (14), a sensor (22) for detecting the measuring element (20), and a control and evaluation unit (28) for generating, from the signals of the sensor (22), an angle signal in dependence on the angular position of the measuring element (20), wherein a protective cap (34) is arranged in the transition region (32) for protection against fluids (12) directed with pressure onto the transition region (32).
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: March 7, 2023
    Assignee: SICK AG
    Inventors: Rolf Hartlieb, Jarrod Haupt
  • Patent number: 11594435
    Abstract: The invention is a cost effective multisite parallel wafer tester that has an array of stationary wafer test sites; a single mobile wafer handling and alignment carriage that holds a wafer handling robot, a wafer rotation pre-alignment assembly, a wafer alignment assembly, a wafer front opening unified pod (FOUP), and a wafer camera assembly; and a robot that moves the wafer handling and alignment carriage to and from each test site. Each test site contains a wafer probe card assembly and a floating chuck. In use, wafers are loaded from a front opening FOUP into a wafer buffer FOUP from which wafers are retrieved by the wafer handling and alignment assembly.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: February 28, 2023
    Assignee: Testmetrix, Inc.
    Inventors: Christian O. Cojocneanu, Lucian Scurtu