Patents by Inventor Shinichiro Ilmura

Shinichiro Ilmura 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: 7158472
    Abstract: A record carrier has a servo track (4) indicating an information track (9) intended for recording information blocks. The servo track (4) has a periodic variation of a physical parameter at a predetermined frequency and modulated parts for encoding position information at regular intervals. The modulated parts start with a bit sync element and are of a data type having a data bit element or of a word sync type having a word sync element. The bit sync element, word sync element and the data bit element being modulated according to a same predetermined type of modulation of the periodic variation. All distances between two adjacent of the elements constituting the modulated parts are unique.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: January 2, 2007
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Cornelis Marinus Schep, Aalbert Stek, Constant Paul Marie Jozef Baggen, Koen Vanhoof, Tamotsu Yamagami, Shoei Kobayashi, Nobuyoshi Kobayashi, Shinichiro Ilmura