Patents by Inventor Ralph B. Herman

Ralph B. Herman 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).

  • Adaptive line hybrids
    Patent number: 4677666
    Abstract: An adaptive line hybrid for digital telecommunications including a bridge circuit for connection to the telecommunication line the bridge circuit having automatically adjustable components in two arms of the bridge to compensate for variations in the characteristics of the telecommunications line.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: June 30, 1987
    Assignee: Plessey Overseas Limited
    Inventor: Ralph B. Herman