Patents by Inventor Tatchi P. Lay

Tatchi P. Lay 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).

  • System for transferring data between processors via dual buffers within system memory with first and second processors accessing system memory directly and indirectly
    Patent number: 5396597
    Abstract: A method and apparatus for the enhancing efficiency of a data processing system which includes a host microprocessor, a system memory, and a graphics adapter for producing an enhanced graphics display. The graphics adapter is coupled to the data processing system by a bus and includes a video memory and an adapter microprocessor, wherein the adapter microprocessor is less powerful than the host microprocessor in the data processing system. The method and apparatus of the present invention includes the establishment of a stage buffer from a portion of the system memory with the stage buffer, including at least two buffer sections. A first portion of data is transferred from the system memory into a first buffer section.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: March 7, 1995
    Assignee: International Business Machines Corporation
    Inventors: William K. Bodin, David M. Hyde, Tatchi P. Lay, James Wilkinson, Susan Yee