Patents by Inventor Johan W. Beunders

Johan W. Beunders 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).

  • Patent number: 4201944
    Abstract: With a receiver, tunable by means of a tuning voltage, which receiver is provided with a measuring instrument as a tuning scale, a convenient adjustment of presetting potentiometers to transmitters found by means of a main tuning device is enabled by a periodically switching of the measuring instrument between the relevant presetting potentiometer and the main tuning device.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: May 6, 1980
    Assignee: U.S. Philips Corporation
    Inventor: Johan W. Beunders