Patents by Inventor Dennis LeRoy Feucht

Dennis LeRoy Feucht 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).

  • Automatic trigger circuit
    Patent number: 4121164
    Abstract: An automatic trigger circuit for an oscilloscope includes a clock driven up-down counter and a digital-to-analog converter to automatically seek a suitable triggering level in the absence of an input triggering signal. When such level is established, the associated sweep generator is triggered, producing a display trace. Thereafter,the sweep generator is cyclically retriggered as the sweep "free runs.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: October 17, 1978
    Assignee: Tektronix, Inc.
    Inventor: Dennis LeRoy Feucht