Patents Assigned to Tape-Lock Company
  • Lock for video tape cassettes
    Patent number: 4628713
    Abstract: A lock for a VHS video cassette is characterized by an insert extendible into and latchable within a sensor LED transmission receptacle of a housing for the cassette. The insert cannot be removed from the receptacle without a special key, and while in the receptacle presents a physical obstruction to the cassette being inserted into a video cassette recorder. The lock thus provides a convenient means to prevent unauthorized playing of a video cassette.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: December 16, 1986
    Assignee: Tape-Lock Company
    Inventors: Marino Cecchi, Gregory J. Borucki