Patents by Inventor Donald B. Rose

Donald B. Rose 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).

  • Common mode voltage surge protection circuitry
    Patent number: 5327319
    Abstract: A common mode lightning protection circuit includes a series circuit including a Y-capacitor and breakdown device connected between a current carrying input line and the frame ground of the power supply. This arrangement permits the ready application of current carrying line-to-frame ground dielectric tests needed to meet predefined safety requirements.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: July 5, 1994
    Assignee: AT&T Bell Laboratories
    Inventors: Victor K. Lee, Donald B. Rose