Patents by Inventor Tomotada Kamel

Tomotada Kamel 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 pickup device and optical disc device with such optical pickup device mounted thereon
    Patent number: 7992159
    Abstract: An optical disk apparatus according to the present invention includes an optical pickup device and a control section for controlling an operation of the optical pickup device. The optical pickup device includes a plurality of first wiring lines for transmitting signals from the control section, a second wiring line to be used for an adjustment of the optical pickup device, and a connector section which is electrically connected to the first wiring lines. The optical disk apparatus further includes a flexible printed wiring board (FPC) which is connected to the connector section for electrically connecting the first wiring lines to the control section. The FPC includes a plurality of third wiring line for electrically connecting the first wiring lines to the control section, such that a pitch of the plurality of third wiring lines in a central portion of the FPC is broader than a pitch of the plurality of third wiring lines in a region of the FPC adjoining the connector section.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: August 2, 2011
    Assignee: Panasonic Corporation
    Inventors: Tomotada Kamel, Kouji Ieki
  • OPTICAL PICKUP DEVICE AND OPTICAL DISC DEVICE WITH SUCH OPTICAL PICKUP DEVICE MOUNTED THEREON
    Publication number: 20090040902
    Abstract: An optical disk apparatus according to the present invention includes an optical pickup device and a control section for controlling an operation of the optical pickup device. The optical pickup device includes a plurality of first wiring lines for transmitting signals from the control section, a second wiring line to be used for an adjustment of the optical pickup device, and a connector section which is electrically connected to the first wiring lines. The optical disk apparatus further includes a flexible printed wiring board (FPC) which is connected to the connector section for electrically connecting the first wiring lines to the control section. The FPC includes a plurality of third wiring line for electrically connecting the first wiring lines to the control section, such that a pitch of the plurality of third wiring lines in a central portion of the FPC is broader than a pitch of the plurality of third wiring lines in a region of the FPC adjoining the connector section.
    Type: Application
    Filed: March 13, 2007
    Publication date: February 12, 2009
    Inventors: Tomotada Kamel, Kouji Ieki