Patents by Inventor John R. Martinson

John R. Martinson 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: 4360881
    Abstract: An energy consumption control system and method for use by a utility company for reducing energy consumption during peak hours of demand. The system includes a centralized code signal generator for selectively generating one or more distinguishable control codes, a multiplexer for impressing these control codes upon the carrier of an existing commercial broadcast station, and a plurality of radio receivers each stationed at a selected customer location for disconnecting selected appliances upon receipt of one of said control codes. Each receiver includes a signal detector for detecting the reception of one of said control codes and a disconnect switch for disconnnecting selected appliances of the customer upon detection of one of said control codes. A timer may be used for sustaining the operation of the disconnect switch after detection of one of said control codes for a predetermined period of time.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: November 23, 1982
    Inventor: John R. Martinson
  • Patent number: 4335404
    Abstract: A method and apparatus for simultaneously delivering an external source of program material and the program material normally received by a television antenna to the antenna input terminals of a television set.
    Type: Grant
    Filed: October 10, 1980
    Date of Patent: June 15, 1982
    Inventor: John R. Martinson, Jr.