Patents by Inventor James J. Beran

James J. Beran 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).

  • Cable TV security means
    Patent number: 4313132
    Abstract: Security means for cable television operators includes an enabling circuit which is located outside of the subscriber premises and is connected in circuit through the television cable with the power supply of the subscriber's cable television converter located within his premises. There is a sensing circuit between the enabling circuit and the power supply which determines the presence or absence of the enabling circuit and thus controls operation of the converter power supply.
    Type: Grant
    Filed: October 31, 1979
    Date of Patent: January 26, 1982
    Assignee: Oak Industries Inc.
    Inventors: Glenn P. Doles, James J. Beran