Patents by Inventor H. B. Chan

H. B. Chan 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).

  • Transformer core structure
    Patent number: 5760670
    Abstract: The present invention relates to a tranformer core structure, which includes a rectangular frame core having two long sides and two short sides, with one short side having a recessed part and the other short side being closed to form a junction surface of magnetic path; and a strip core disposed in the rectangular frame core through the recessed part, and having a length similar to that of said long side of said rectangular frame core, but having a width slightly less than that of said recessed part, wherein adjustment of the inductance of the structure is accomplished by moving said strip core along said recessed part to adjust a gap between one end of said strip core and said junction surface of magnetic path.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: June 2, 1998
    Assignee: Delta Electronics, Inc.
    Inventors: Ming Yeh, Y. J. Chen, H. B. Chan, Antony Du, Albert Chang
  • Display screen module
    Patent number: D679707
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: April 9, 2013
    Assignee: Cisco Technology, Inc.
    Inventors: Glenn R. G. Aarrestad, Evelyne Chaubert, Eric W. Nichols, Shawn E. Bender, Danny H. B. Chan, Torence Lu, Daniel C. Nunez, David M. Sanguinet, Kenneth D. Wood, Terri L. Cruse, Emory T. Richards, Dan Harden, Christopher L. Whittall, Kyle A. Buzzard