Patents by Inventor Bradley N. Yearwood

Bradley N. Yearwood 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).

  • State machine based universal voice grade cards
    Patent number: 6574333
    Abstract: A fiber to the curb communication system providing telephone service to subscribers using line cards which are pluggable into a broadband network unit. The line cards provide telephone service to up to six lines per card. The cards are programmable from a central location, and the system includes self-testing of the cards, ring generator testing and provides for testing of the telephone lines from the system to the subscriber's location.
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: June 3, 2003
    Assignee: Next Level Communications, Inc.
    Inventors: E. Barton Manchester, Bradley N. Yearwood
  • Method and apparatus for reliable operation of universal voice grade cards
    Patent number: 6078593
    Abstract: A fiber to the curb communication system providing telephone service to subscribers using line cards which are pluggable into a broadband network unit. The line cards provide telephone service to up to six lines per card. The cards are programmable from a central location, and the system includes self-testing of the cards, ring generator testing and provides for testing of the telephone lines from the system to the subscriber's location.
    Type: Grant
    Filed: February 4, 1997
    Date of Patent: June 20, 2000
    Assignee: Next Level Communications
    Inventors: Thomas R. Eames, Lac X. Trinh, E. Barton Manchester, Bradley N. Yearwood, David J. Manley, Scott T. Hicks, Jaskarn S. Johal, Charles A. Eldering