Patents by Inventor Geoffrey Frank Hennell

Geoffrey Frank Hennell 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).

  • Line data and television transmission
    Patent number: 3931512
    Abstract: A system for the transmission of television signals comprising a light emitter diode or diodes feeding an optical transmission line, the light output from the optical transmission line being applied to light sensitive semiconductor devices for re-conversion to analogue television signals.
    Type: Grant
    Filed: May 30, 1974
    Date of Patent: January 6, 1976
    Assignee: Plessey Handel und Investments A.G.
    Inventors: Alan Hugh Kent, Geoffrey Frank Hennell, George Hedley Storm Rokos, Peter Howard Fell