Patents by Inventor Roger Hsu

Roger Hsu 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).

  • Minimization of acoustic echo effects in a microphone boot
    Patent number: 6038328
    Abstract: A microphone boot system for reducing acoustic echo effect has a first compression structure; a first member of a microphone boot pressing against the first compression structure; second member of the microphone boot pressing against the first member of the microphone boot at an interface; a microphone interposed within a cavity formed by the first member of the microphone boot and the second member of the microphone boot; and a second compression structure juxtaposed against the second member of the microphone boot, such that the first compression structure and the second compression structure acting in concert form an acoustic seal at the interface.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: March 14, 2000
    Assignee: Hughes Electronics Corporation
    Inventor: Roger Hsu
  • Set top box
    Patent number: D445097
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: July 17, 2001
    Assignee: Hughes Electronics Corporation
    Inventors: Tyler David Jensen, Roger Hsu, Andrew Zoolakis, Charles Curbbun
  • Set top box
    Patent number: D455409
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: April 9, 2002
    Assignee: Hughes Electronics Corporation
    Inventors: Roger Hsu, Andrew Zoolakis