Patents by Inventor David S. Sawyer

David S. Sawyer 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).

  • Method and apparatus for adaptive interrupt servicing in data processing system
    Patent number: 5542076
    Abstract: A method and apparatus for adaptive interrupt servicing is disclosed. The number of interrupts occurring within a predetermined time period is counted and stored as a value in an interrupt counter. At the end of each interrupt service, the interrupt counter value is compared to a predefined threshold value. If the value in the interrupt counter equals or exceeds the threshold value, further interrupt servicing is disabled.
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: July 30, 1996
    Assignee: Digital Equipment Corporation
    Inventors: David Benson, Paul W. Ciarfella, Peter C. Hayden, David S. Sawyer