Patents by Inventor Coen Andrianus Verschuren

Coen Andrianus Verschuren 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).

  • Publication number: 20080212457
    Abstract: An optical scanning device for scanning a first and a second information layer of an optical record carrier, a scanning method, and an optical record carrier. The device includes at least one radiation source for providing a first radiation beam for scanning the first information layer and a second radiation beam for scanning the second information layer. An objective lens system is arranged to converge the first and second radiation beams on the respective information layers. The device is configured to determine tracking information from only one of said radiation beams, for tracking error compensation.
    Type: Application
    Filed: July 6, 2006
    Publication date: September 4, 2008
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventors: Dominique Maria Bruls, Alexander Marc Van der Lee, Coen Andrianus Verschuren