Patents by Inventor Toshihikom Kurihara

Toshihikom Kurihara 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 disc player signal reading device with improved drive structure for moving optical pickup in orthogonal directions
    Patent number: 4367543
    Abstract: An optical player signal reading device in which a supporting member having inner and outer cylinders pivotally supports an optical pickup. One of the inner and outer cylinders is made of an elastic material or, alternatively, an elastic piece is disposed between the inner and outer cylinder. The pickup is pivoted by a pair of tracking-direction drive sections disposed above and below the supporting member with the elastic component of the supporting member acting as a fulcrum. A focus-direction drive section moves the pickup in the focusing direction.
    Type: Grant
    Filed: July 22, 1980
    Date of Patent: January 4, 1983
    Assignee: Universal Pioneer Corporation
    Inventors: Yositsuga Araki, Toshihikom Kurihara