Patents Assigned to Phone-Mate
  • Telephone answering device utilizing Mobius loop activating switch
    Patent number: 3953679
    Abstract: A telephone answering device employing a conventional tape recorder and an endlesss broadcast recording tape having a twist of 180.degree. therein, popularly known as a Mobius loop, driven by the drive capstan of the conventional tape recorder, activates a tone switch and a shut-off switch in alternate 360.degree. revolutions of the broadcast tape.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: April 27, 1976
    Assignee: Phone-Mate
    Inventor: Neal Buglewicz