Patents by Inventor Fumihiko Madate

Fumihiko Madate 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).

  • Publication number: 20070097818
    Abstract: According to this invention, there is provided a playback device including a control unit which causes a rotational speed control unit to control the rotational speed of a drive unit on the basis of a first reference signal such that the rotational speed of the drive unit becomes almost equal to a rotational speed with which second data can be played back from a second recording area, by causing a playback unit to move to a first recording area of a disc-like recording medium and causing a selection unit to select the first reference signal, and then causes the rotational speed control unit to control the rotational speed of the drive unit on the basis of a second reference signal by causing the playback unit to move to the second recording area and causing the selection unit to select the second reference signal.
    Type: Application
    Filed: October 27, 2006
    Publication date: May 3, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Fumihiko Madate, Atsushi Takeda, Yukihiko Hashimoto