Patents by Inventor Douglas Arnold Oppedahl

Douglas Arnold Oppedahl 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).

  • Apparatus, systems and methods for controlling electronic memories
    Patent number: 5778415
    Abstract: Memory control circuitry is provided which includes circuitry for generating a sequence of gray code values. Counter circuitry is coupled to the gray code circuitry and controls the duration of assertion of each of the generated gray code values. Bus circuitry is also coupled to the gray code circuitry for transmitting the gray code values generated by circuitry. Programmable logic array circuitry is also coupled to the bus circuitry for transmitting, receiving and decoding each of the gray code values and providing at least one memory control signal in response.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: July 7, 1998
    Assignee: Hewlett-Packard Co.
    Inventors: Bryan Dale Marietta, Douglas Arnold Oppedahl