Patents by Inventor Larry E. Anderson

Larry E. Anderson 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).

  • Patent number: 3975688
    Abstract: An automatic shut-off device for television sets or equivalent apparatus receiving electromagnetic signals and transforming the same into audio or video signals. A shut-off device includes a detecting circuit which responds to the presence of a video or audio signal on the apparatus to be controlled permitting the set up of a switching circuit in the form of a silicon controlled rectifier energizing a relay in the power circuit of the apparatus or television set. The automatic device includes a time delayed portion simultaneously energized with the detecting portion to provide a timing function through unijunction transistor to control the firing of the silicon controlled rectifier in the operation of the relay.
    Type: Grant
    Filed: October 21, 1971
    Date of Patent: August 17, 1976
    Assignee: Richard A. Kroger
    Inventors: Richard A. Kroger, Larry E. Anderson
  • Patent number: D354831
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: January 24, 1995
    Inventor: Larry E. Anderson