Patents by Inventor Fang-Merng Guo

Fang-Merng Guo 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).

  • Brightness compensation for a lamp shade in an optical scanner
    Patent number: 5469303
    Abstract: An improvement of brightness compensation for a lamp shade in an optical scanner includes a plurality of projections to make a reflector in the lamp shade to form a greater curvature on its lateral sides, thus increase the light-condensing capability of the reflector, and thereby improve brilliance uniformity of a lamp tube.
    Type: Grant
    Filed: June 7, 1994
    Date of Patent: November 21, 1995
    Assignee: Umax Data Systems Inc.
    Inventors: Jeffrey Wun, Ting Shia, Fang-Merng Guo