Patents by Inventor Robert B. Buchner

Robert B. Buchner 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).

  • Self-adjusting hybrid network
    Patent number: 4297536
    Abstract: The balancing network is disclosed for use in a circuit for connecting a two-wire subscriber's line to a four-wire transmission line which automatically matches the impedance of the subscriber's line by utilizing the direct current flowing in the subscriber's line.
    Type: Grant
    Filed: May 11, 1979
    Date of Patent: October 27, 1981
    Assignee: U.S. Philips Corporation
    Inventor: Robert B. Buchner