Patents by Inventor Martijn Van Der Maaden

Martijn Van Der Maaden 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).

  • Recovery of Lost Track Focusing on an Optical Disc
    Publication number: 20080259749
    Abstract: A method for restoring focusing of a laser beam on a track of an optical disc for reading or writing data from/to the track when the focusing of said beam onto said track has been lost, wherein two categories, A and B, of focus lost causes are defined, A being due to an external shock and B due to other reasons and wherein a focus re-capture is performed with the use of focus control information stored in a memory only for a category B focus lost.
    Type: Application
    Filed: September 22, 2005
    Publication date: October 23, 2008
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.
    Inventors: Jeroen Arnoldus Leonardus Johannes Raaymakers, Martijn Van Der Maaden, Stefan Geusens