Patents by Inventor Hans Viktor Weinerth

Hans Viktor Weinerth 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).

  • Tunable high frequency input circuit for a television receiver that tunes both VHF and UHF channels and can be readily integrated
    Patent number: 3939429
    Abstract: The IC television tuner has a tunable oscillator and a fixed oscillator, two mixer stages and a filter in between. This tuner operates at two intermediate frequencies the first of which lies in the GHz range. The two oscillators are coupled through hybrid rings.
    Type: Grant
    Filed: July 2, 1974
    Date of Patent: February 17, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Klaus Lohn, Georg Lutteke, Gerd Schiefer, Lammert Bruntink, Paulus Petrus Maria Groenewegen, Hans Viktor Weinerth, Wilhelmus Antonius Joseph Marie Zwijsen, Karel Petrus Van Rooij