Patents by Inventor Tak M. Kwan

Tak M. Kwan 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).

  • OSD in a TV receiver including a window, smoothing and edge enhancing
    Patent number: 4953027
    Abstract: A TV receiver including a microprocessor and an on screen display on a single semiconductor chip. The OSD includes half dot logic and shifting to smooth the characters with a minimum of storage capacity required and the half dot logic is used in an edge enhancing circuit to generate a black surround. A simplified window generator is combined therewith to further improve the characters.
    Type: Grant
    Filed: April 24, 1989
    Date of Patent: August 28, 1990
    Assignee: Motorola Inc.
    Inventors: Hing Y. Tong, Tak M. Kwan, Gerald K. Lunn