Patents by Inventor Barry S. Pearlman

Barry S. Pearlman 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).

  • Apparatus and methods for controlling a signal device
    Patent number: 5355119
    Abstract: Apparatus and method for controlling a signal device for energization by an electrical source. The apparatus includes circuitry for producing digital cycles on an output line wherein each digital cycle includes a sequence of pulses and spaces, each cycle having at least two pulses that differ in duration and at least two spaces that differ in duration. The apparatus also includes circuitry connected to the output line and responsive to the circuitry for producing the digital cycles for applying electrical energization from the electrical source to the signal device in accordance with the pulses in the digital cycles.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: October 11, 1994
    Assignee: Public Safety Equipment, Inc.
    Inventor: Barry S. Pearlman