Patents by Inventor Hendrikus Martinus Van Der Wijst

Hendrikus Martinus Van Der Wijst 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).

  • Tuner with at least a first and a second frequency band
    Patent number: 6731349
    Abstract: The invention relates to a tuner with at least a first and a second frequency band and with means for effecting a switch-over between the frequency bands, which tuner comprises a signal input terminal for the supply of a frequency information signal. The invention is characterized in that the tuner comprises a band selection circuit which is provided for the selection and control of one frequency band at a time, and in that the tuner comprises a frequency search function for tuning to a frequency, which function in a first step is designed to test the tuning possibility of the frequency in the first frequency band and, if tuning in the first frequency band is not possible, in a second step is designed for testing the tuning possibility of the frequency in the second frequency band.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: May 4, 2004
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Hendrikus Martinus Van Der Wijst