Patents by Inventor Raymond M. Bulley

Raymond M. Bulley 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).

  • Biased reactor maintenance termination unit
    Patent number: 4543524
    Abstract: A biased reactor maintenance termination unit (30) is described that comprises a saturable core reactor (31), a permanent magnet (90) and a termination network (16). The saturable core reactor (31) is connected in series with conductors (11, 13) of a transmission line. The permanent magnet (90) is placed adjacent to the reactor (31) to create a bias mmf. Finally, the termination network (16) is connected across the transmission line conductors (19,21).
    Type: Grant
    Filed: July 20, 1983
    Date of Patent: September 24, 1985
    Assignee: AT&T Bell Laboratories
    Inventor: Raymond M. Bulley
  • Protection circuit
    Patent number: 4408248
    Abstract: A protection circuit for communication equipment connected to a two conductor communication line includes a bridge rectifier having alternating current terminals connected to the conductors and to ground. The direct current terminals of the rectifier are connected to a device responsive to a range of predetermined voltage and current conditions in the conductors for reflecting foreign electrical energy.
    Type: Grant
    Filed: December 30, 1981
    Date of Patent: October 4, 1983
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Raymond M. Bulley, William F. MacPherson, Robert F. Youhas