Patents by Inventor David L. Hyder

David L. Hyder 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).

  • Speed measuring device
    Patent number: 4219878
    Abstract: A special accessory for traffic radar devices includes two operating routines. These routines are to be used with a programmable microprocessor which comprises a portion of the traffic radar device. The routines are designated as a stopwatch routine and an interrupt routine. The stopwatch routine controls the overall operation of the speed computation within the programmable microprocessor of the traffic radar device while the interrupt request routine causes the microprocessor to perform as a precision clock capable of measuring elapsed time.
    Type: Grant
    Filed: April 14, 1978
    Date of Patent: August 26, 1980
    Assignee: Kastom Electronics, Inc.
    Inventors: William D. Goodson, John R. Alden, David L. Hyder