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:
Oct. 04, 2011
Filed:
Aug. 25, 2006
Hiroshi Obi, Nara, JP;
Hironori Tomita, Nara, JP;
Akira Kurozuka, Osaka, JP;
Osamu Kajino, Osaka, JP;
Hiroshi Obi, Nara, JP;
Hironori Tomita, Nara, JP;
Akira Kurozuka, Osaka, JP;
Osamu Kajino, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An optical head device according to the present invention includes: a light source for outputting laser light; an optical system for allowing the laser light to be radiated onto an optical disk medium; and an aberration correction section for correcting an aberration of the laser light. The aberration correction section includes: a plurality of mirror sections for reflecting the laser light; a plurality of mirror driving sections for displacing the plurality of mirror sections; and a detection section for detecting a physical condition within the optical head device.