The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2011
Filed:
Sep. 05, 2006
Applicants:
Naoharu Yanagawa, Tokorozawa, JP;
Akira Shirota, Tokorozawa, JP;
Inventors:
Naoharu Yanagawa, Tokorozawa, JP;
Akira Shirota, Tokorozawa, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 15/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
An information recording/reproducing device which can record or reproduce the predetermined information quickly and properly is proposed. An information recording/reproducing devicedetects recording condition of an area in radial direction of an optical mediumusing the rotation angle in a layeras a standard when recording given data in a layerof the optical mediumand on the basis of the detection result, controls power of laser beam irradiated on the layerto record or reproduce given recording data.