Patents by Inventor John C. Pryzbyszewski

John C. Pryzbyszewski 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).

  • On-screen display controller
    Patent number: 5072214
    Abstract: A character-based display controller, which is capable of providing variable width text characters, includes a ROM embedded with pattern and attribute codes, and a logic control circuit enabling multiple modes of interpreting the data in the character memory. The logic control circuit also enables bypassing the character memory thereby permitting a bit-mapped display mode.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: December 10, 1991
    Assignee: North American Philips Corporation
    Inventors: Charles E. Dellinger, John C. Pryzbyszewski, Donald B. Wolter