Patents by Inventor Robert Bignell

Robert Bignell 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).

  • Pipelined microprocessor that prevents the cache from being read when the contents of the cache are invalid
    Patent number: 5659712
    Abstract: The power consumed by a cache memory when the cache is read is reduced by utilizing a cache access circuit to prevent the cache from being read when the information stored in the cache is invalid, such as when the processor is powered up, reset by a user, or an invalidation bit is set.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: August 19, 1997
    Assignee: National Semiconductor Corporation
    Inventors: Robert J. Divivier, Robert Bignell