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:
Aug. 03, 2010
Filed:
Dec. 21, 2006
Applicants:
Takashi Haruguchi, Fukuoka, JP;
Shogo Horinouchi, Fukuoka, JP;
Inventors:
Takashi Haruguchi, Fukuoka, JP;
Shogo Horinouchi, Fukuoka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To reduce the size or thickness of an optical pickup device and an optical disk drive, an optical pickup device includes a light source that radiates laser light; a condensing member that condenses the laser light onto a recording medium; an optical member that reflects some of the laser light radiated from the light source into the condensing member and transmits the rest of the radiated laser light; and a light receiving sensor that receives the rest of the laser light transmitted through the optical member so as to detect an amount of laser light.