Patents by Inventor Theodorus H. Van Deursen

Theodorus H. Van Deursen 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).

  • Receiver including a tuning circuit having a transmitter search
    Patent number: 4253194
    Abstract: A receiver scanning circuit features a grouping of the stored frequencies, such as by geographical area or program content. Thus only one kind of station from a selected group need by stopped at, if only that kind of group is desired to be received. This greatly increases operator convenience.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: February 24, 1981
    Assignee: U.S. Philips Corporation
    Inventor: Theodorus H. Van Deursen