Patents by Inventor Liang-Chi Lu

Liang-Chi Lu 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).

  • Externally mounted speaker for notebook computer
    Patent number: 6600827
    Abstract: An externally mounted speaker for a notebook computer mainly has a moveable speaker box assembled on the back side of a screen; when the screen is in a vertical position, the speaker box can be pulled out of a box mounting slot to protrude outward and face directly across the user for obtaining the most stereo sound effect.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: July 29, 2003
    Inventor: Liang-Chi Lu
  • Externally mounted speaker for notebook computer
    Publication number: 20030063765
    Abstract: An externally mounted speaker for a notebook computer mainly has a moveable speaker box assembled on the back side of a screen; when the screen is in a vertical position, the speaker box can be pulled out of a box mounting slot to protrude outward and face directly across the user for obtaining the most stereo sound effect.
    Type: Application
    Filed: October 3, 2001
    Publication date: April 3, 2003
    Inventor: Liang-Chi Lu