Patents by Inventor Hans Popp

Hans Popp 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).

  • Grid having reduced secondary emission characteristics and electron discharge device including same
    Patent number: 4079286
    Abstract: A nickel oxide surface layer of a nickel mesh supporting structure is coated with a layer of chromium. The nickel oxide layer has a thickness of between about 500 to 750A. The layer chromium is at least about 100A thick. The chromium coated nickel oxide-nickel mesh is particularly suitable for use in vidicon tubes.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: March 14, 1978
    Assignee: RCA Corporation
    Inventor: Hans Popp
  • Method for extending cathode life in vidicon tubes
    Patent number: 4018489
    Abstract: By heating as many of the electrodes as possible in a vidicon tube during and after the cathode activation, the potentiality for gas contamination of the electrodes is greatly reduced and the life of the tube is extended.
    Type: Grant
    Filed: August 28, 1975
    Date of Patent: April 19, 1977
    Assignee: RCA Corporation
    Inventors: Louis Donald Miller, Hans Popp