Patents by Inventor Petrus Johannes Rotgans

Petrus Johannes Rotgans 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: 6466159
    Abstract: Radar apparatus in which output RF signals are modulated on an optical signal prior to transmission. Incoming optical echo signals are converted into RF signals using a detector. The original functionality of the radar apparatus is to a large extend retained, including the Doppler processing. The target radar cross section is determined by the wavelength of the optical signal.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: October 15, 2002
    Assignee: Thales Nederland B.V.
    Inventor: Petrus Johannes Rotgans