Patents by Inventor Egon H. Elssner

Egon H. Elssner 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).

  • Photodetector timer network
    Patent number: 4198563
    Abstract: A photodetector timer network for controlling the timing of application of electrical power to an electrical load responsive to ambient light conditions and including photodetector means for detecting the ambient light and generating a detector signal responsive thereto, means responsive to the detector signal for controlling electrical power from an external electrical source to an external electrical load and means for interrupting the electrical power to the electrical load at certain time intervals.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: April 15, 1980
    Inventor: Egon H. Elssner