Patents by Inventor Rudy Willem Jozef Pollen

Rudy Willem Jozef Pollen 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).

  • Optical disk drive, and a method of assembling it
    Patent number: 7242644
    Abstract: An optical disk drive includes an optical pick-up unit having a fixed part with at least a light source, and a movable part mounted on a guide. The movable part includes a mirror, a focusing lens, and lens-moving elements. The movable part is adapted to move a focused beam along the disk. A single PCB is provided having a signal connection to the lens-moving elements on the movable part of the pick-up unit though flexible wires. The PCB serves as a mounting base for the fixed part of the optical pick-up unit, the guide, and the drive motor.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: July 10, 2007
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Rudy Willem Jozef Pollen