Patents by Inventor Wai Keung Wong

Wai Keung Wong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240120247
    Abstract: A method of manufacturing a semiconductor package is provided, with an integrated heatsink and electrical connection feature. The semiconductor die can be attached to the terminal using eutectic bonding, preferably CuSn eutectic, Ag containing adhesives or Ag sintering material. These bondings are lead (Pb) free connection methods, which make the finished semiconductor package RoHS compliant (restriction of hazardous materials).
    Type: Application
    Filed: October 6, 2023
    Publication date: April 11, 2024
    Applicant: NEXPERIA B.V.
    Inventors: Regnerus Hermannus Poelma, Wai Man Wong, Tim Böttcher, Hans-Juergen Funke, Jannik Entringer, Yuet Keung Cheung, Chun Ning Chan
  • Patent number: 11919137
    Abstract: A control assembly for use in controlling a speed of operation of an electric device, the control assembly including: a control assembly housing; a magnetic sensor; a magnetic element; an actuator that is configured for movement relative to the control assembly housing wherein responsive to said movement of the actuator relative to the control assembly housing, the magnetic sensor and magnetic element move relative to each other between at least one of a first position and a second position such that the magnetic sensor senses a first magnetic field reading when in the first position and senses a second magnetic field reading when in the second position; and, a control module operably connected to the magnetic sensor and configured for controlling the electric device to operate in at least one of a first speed and a second speed by reference to an output of the magnetic sensor indicative of the sensed first magnetic field reading and the second magnetic field reading respectively.
    Type: Grant
    Filed: March 8, 2023
    Date of Patent: March 5, 2024
    Assignee: DEFOND ELECTECH CO. LTD.
    Inventors: Wai Man Wong, Chiu Keung Loong
  • Patent number: 11913812
    Abstract: A control assembly for controlling a speed or torque of operation of an electric device includes a control assembly housing, a magnetic sensor, a magnetic element; and an actuator. The actuator moves relative to the control assembly and, responsive to that movement, the magnetic sensor and magnetic element are moved relative to each other between a first position and a second position so that the magnetic sensor senses a first magnetic field reading when in the first position and senses a second magnetic field reading when in the second position. A control module is operably connected to the magnetic sensor and configured for controlling the electric device, and a magnetic shielding element is positioned within the control assembly housing to alleviate a magnetic signal source external to the control assembly from interfering with the sensing by the magnetic sensor.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 27, 2024
    Assignees: Defond Electech Co., Ltd., Defond Components Limited
    Inventors: Cheng Chen Nieh, Chiu Keung Loong, Wai Man Wong
  • Patent number: 10942133
    Abstract: Disclosed are a method and system for automatic detection of a fabric defect. The method comprises: preprocessing a region of a fabric to be detected during a fabric transmission process by a noise removing device to eliminate noise interference during a detection process; triggering a camera to perform image acquisition on the fabric to be detected according to rotation information of a motor of a roller of a cloth inspection machine; and automatically identifying a defect on the fabric to be detected based on an acquisition image.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: March 9, 2021
    Assignee: THE HONG KONG RESEARCH INSTITUTE OF TEXTILES AND APPAREL LIMITED
    Inventor: Wai Keung Wong
  • Publication number: 20200158659
    Abstract: Disclosed are a method and system for automatic detection of a fabric defect. The method comprises: preprocessing a region of a fabric to be detected during a fabric transmission process by a noise removing device to eliminate noise interference during a detection process; triggering a camera to perform image acquisition on the fabric to be detected according to rotation information of a motor of a roller of a cloth inspection machine; and automatically identifying a defect on the fabric to be detected based on an acquisition image.
    Type: Application
    Filed: April 11, 2018
    Publication date: May 21, 2020
    Applicant: THE HONG KONG RESEARCH INSTITUTE OF TEXTILES AND APPAREL LIMITED
    Inventor: Wai Keung Wong
  • Patent number: 9449012
    Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media identifying duplicate media items that occur during a batch upload process from a client device to the cloud media library and performing media de-duplication and re-mapping of duplicate media items.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: September 20, 2016
    Assignee: Apple Inc.
    Inventors: Julien J. Jalon, Nicholas J. Woods, Raymond Wai-Keung Wong
  • Publication number: 20150347444
    Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media identifying duplicate media items that occur during a batch upload process from a client device to the cloud media library and performing media de-duplication and re-mapping of duplicate media items.
    Type: Application
    Filed: May 30, 2014
    Publication date: December 3, 2015
    Applicant: Apple Inc.
    Inventors: Julien J. Jalon, Nicholas J. Woods, Raymond Wai-Keung Wong
  • Publication number: 20130332526
    Abstract: Some embodiments provide tools that allow a user to share content on one device with multiple other users using different devices. The content sharing tools allow the user to (1) create a shared stream that represents a set of shared content and (2) invite one or more recipients to subscribe to the shared stream. When a recipient subscribes to the shared stream, the set of content is streamed across one or more of his or her devices. In some embodiments, a control server facilitates the sharing of content by managing control data associated with different shared streams.
    Type: Application
    Filed: September 29, 2012
    Publication date: December 12, 2013
    Applicant: APPLE INC.
    Inventors: Timothy S. Hurley, Guido Neitzer, Mark L. Ritchie, Richard J. Scorer, Jason Te Whau, Erik Torres Bergman, Li Wang, Raymond Wai-Keung Wong, Peter W. Roman, Joshua B. Dickens
  • Patent number: 7781530
    Abstract: Polymeric compositions and methods of making and using such compositions are provided. The compositions incorporate a first component that is an isobutylene-based polymer and a second component having propylene-derived units and polyene derived units. The polymeric compositions have desirable processability characteristics, particularly for injection molding applications.
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: August 24, 2010
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Hsien-Chang Wang, Wai Keung Wong, Srivatsan Srinivas Iyer, Pascal Van Hoeck
  • Patent number: 7338688
    Abstract: Protective liners or coatings for metal conduits, pipes and tanks subjected to corrosive liquids are disclosed. The liners comprise a composition containing a silylated copolymer of, for example, isobutylene and para-methylstyrene, which are curable by contact with moisture.
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: March 4, 2008
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Hsien-Chang Wang, Wai Keung Wong
  • Patent number: 7282269
    Abstract: Pharmaceutical containers containing at least one shaped component serving as a sealing barrier such as closure, stopper or plunger, for the contents of the container are disclosed. Such sealing barriers are made from elastomeric compositions containing a silylated copolymer of isobutylene/isoprene (butyl rubber) and para-methylstyrene which are curable by contact with moisture.
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: October 16, 2007
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Hsien-Chang Wang, Wai Keung Wong
  • Publication number: 20040131814
    Abstract: Protective liners or coatings for metal conduits, pipes and tanks subjected to corrosive liquids are disclosed. The liners comprise a composition containing a silylated copolymer of, for example, isobutylene and para-methylstyrene, which are curable by contact with moisture.
    Type: Application
    Filed: October 31, 2003
    Publication date: July 8, 2004
    Inventors: Hsien-Chang Wang, Wai Keung Wong
  • Publication number: 20040014869
    Abstract: A process for preparing a cross-linked blend comprising a) mixing a copolymer of a C4 to C7 isoolefin and a para-alkylstyrene with silica, b) separately mixing a general purpose rubber with silica, wherein one or more silane coupling agents is mixed with at least one of the silica/copolymer or silica/general purpose rubber blends, and c) mixing the silica/copolymer blend with the silica/general purpose rubber blend. Typical silane coupling agents include bis(3-triethoxysilylpropyl) tetrasulfide, 3-thiocyanatopropyl-triethoxy silane, 3-mercaptopropyl-trimethoxy silane, and one embodiment of the copolymer is a terpolymer of isobutylene, para-methylstyrene, and bromo-para-methylstyrene.
    Type: Application
    Filed: June 20, 2003
    Publication date: January 22, 2004
    Inventors: Wai Keung Wong, Hsien-Chang Wang, Timothy A. Mills
  • Patent number: 5930396
    Abstract: A method of generating halftone output on an output device. The method includes retrieving at least one table which associates gray levels with halftone results for a region of an output frame including more than one pixel, determining a reference gray level for a tile of an output frame including more than one pixel, using the at least one table to determine a halftone result for the reference gray level, storing the halftone result for the reference gray level to the tile of the output frame, and delivering the output frame to the output device. The table may be generated from a set of thresholds, which may be a threshold array. A first table may associates gray levels with codes and a second table may associates codes with halftone results, and the method may include converting the reference gray level to a reference code with the first table and converting the reference code to the halftone result for the reference gray level with the second table.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: July 27, 1999
    Assignee: Adobe Systems Incorporated
    Inventors: Edward Reid Fiala, Raymond Wai-Keung Wong