Patents by Inventor Kenneth R. Hattersley

Kenneth R. Hattersley 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).

  • Piezo-electric terminal station for communications system
    Patent number: 4529904
    Abstract: A terminal station for communication with one or more similar remote stations via mains wiring includes a piezo-electric coupler (22) whereby carrier signals are transmitted to and received from the line (24). The coupler is driven by an oscillator (21) modulated in correspondence with an input signal and tuned to the resonant frequency of the coupler.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: July 16, 1985
    Assignee: International Standard Electric Corporation
    Inventor: Kenneth R. Hattersley