Patents by Inventor Arthur Rechtman Braun

Arthur Rechtman Braun 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).

  • Current limiting switching circuit
    Patent number: 3958175
    Abstract: A current limiting switching circuit which has general application and which comprises a photoresponsive semiconductor circuit activated by a light emitting diode. A semiconductor device is included for regulating the base drive of a transistor in the photoresponsive semiconductor circuit to maintain a constant collector current flow therein.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: May 18, 1976
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventor: Arthur Rechtman Braun