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:
Dec. 18, 2012
Filed:
Aug. 26, 2011
Mitsuhiro Hiruma, Kiryu, JP;
Chiaki Asakawa, Gunma, JP;
Mitsuhiro Hiruma, Kiryu, JP;
Chiaki Asakawa, Gunma, JP;
SANYO Electric Co., Ltd., Osaka, JP;
Abstract
Provided is an optical pickup apparatus using a reduced number of parts. An optical pickup apparatus () of the present invention includes: a laser unit () for emitting a laser beam complying with the BD standards; a laser unit () for emitting a laser beam complying with the DVD standards and a laser beam complying with the CD standards; and a PDIC (B) for receiving and detecting the laser beams complying with the respective standards. Because the laser beam complying with the DVD standards and the laser beam complying with the BD standards are received by one photo detector provided in the PDIC (B), the number of parts needed for the optical pickup apparatus () can be reduced, and the costs of the apparatus can be decreased.