Patents by Inventor Bruce C. H. Cheng

Bruce C. H. Cheng 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).

  • Locking cartridge for conveniently locking very thin connector with near-zero inductance onto PC board
    Patent number: 6346012
    Abstract: The present invention discloses a direct-current (DC) electric connector that includes plurality of conductive and insulation layers constituting a near-zero inductance connector. The connector further includes a top and a bottom insulation-and-protection covers covering and protecting the plurality of conductive and insulation layers. The top and bottom insulation-and-protection covers having a tapered outer surface for providing a tapered profile along a horizontal direction toward a connector opening for receiving a printed circuit board into the near-zero inductance connector. The connector further includes a locking cartridge for adaptively enclosing the near-zero inductance connector with the printed circuit board inserted therein. The locking cartridge has top and bottom surfaces each engages the top and bottom insulation-and-protection covers respectively for horizontally pushing toward a direction having a gradually increased profile height for generating a vertical pressing force.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: February 12, 2002
    Assignee: Delta Electronics, Inc.
    Inventors: Bruce C. H. Cheng, Timothy Chen-Yu Yu, Kelly Jui-Yuan Shyu, Szu-Lu Huang
  • Miniaturizing power supply system for portable computers by improving heat dissipation therein
    Patent number: 6081425
    Abstract: The present invention discloses a power supply for providing power from an external power source to a portable electronic device. The portable power supply system includes electronic circuits including an AC-to-DC converter for converting the power from the external power source for the portable electronic device. The portable power supply system further includes a printed circuit board for supporting the electronic circuits thereon. The portable power supply system further includes an inner enclosure for enclosing and protecting the electronic circuits supported on the printed circuit board wherein the inner enclosure composed of heat conductive materials. The portable power supply system further includes an external container for containing and protecting the portable power supply system wherein the external container further includes a plurality of air vents for allowing heat dissipation therefrom.
    Type: Grant
    Filed: January 2, 1999
    Date of Patent: June 27, 2000
    Assignee: Delta Electronics, Inc.
    Inventor: Bruce C. H. Cheng
  • Insulating tubeless transformer
    Patent number: 4891620
    Abstract: An insulating tubeless transformer, by using special winding tubings to achieve the safety requirement and automatic winding without using insulating tubes or other insulation materials, has the advantages of saving material, space reduction and automatic winding.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: January 2, 1990
    Inventor: Bruce C. H. Cheng