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.

Date of Patent:
Apr. 12, 2016

Filed:

Oct. 23, 2014
Applicant:

Sony Computer Entertainment Inc., Tokyo, JP;

Inventor:

Satoshi Mimura, Kanagawa, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01); G11B 20/18 (2006.01); G11B 5/09 (2006.01); G11B 7/005 (2006.01); G11B 7/09 (2006.01); G11B 19/12 (2006.01); G11B 7/1275 (2012.01); G11B 7/085 (2006.01);
U.S. Cl.
CPC ...
G11B 7/005 (2013.01); G11B 7/0945 (2013.01); G11B 7/08511 (2013.01); G11B 7/1275 (2013.01); G11B 19/12 (2013.01); G11B 2007/0006 (2013.01); G11B 2007/0013 (2013.01); G11B 2220/232 (2013.01); G11B 2220/2545 (2013.01); G11B 2220/2562 (2013.01); G11B 2220/2579 (2013.01);
Abstract

Disclosed herein is an optical disc apparatus including: an optical pickup radiating light having a first wavelength provided for an optical disc medium of a first type and light having a second wavelength which is smaller than the first wavelength and provided for another optical disc medium of a second type; a signal outputting section outputting a signal according to light reflected by the optical disc medium to reflect light radiated by the optical pickup; and a type determination section requesting the optical pickup to radiate light having the first wavelength to an object optical disc medium to acquire the signal output by the signal outputting section and determining the type of the object optical disc medium in accordance with the number of peaks appearing in the acquired output signal output by the signal outputting section while moving the optical pickup in a direction to the object optical disc medium.


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