Patents by Inventor Douglas E. Marquardt

Douglas E. Marquardt 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).

  • Asynchronous digital arbiter
    Patent number: 4894565
    Abstract: An asynchronous digital arbiter circuit suitable for use in computer systems applications requiring fast asynchronous arbitration between two asynchronous inputs. The arbiter resolves which of two input signals is to be granted access, and provides a busy signal to the source of the other input signal. The arbiter consists solely of standard digital logic circuit elements including logic gates, flip-flops, and inverters.
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: January 16, 1990
    Assignee: American Microsystems, Inc.
    Inventor: Douglas E. Marquardt