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:
Mar. 03, 2011
Takeshi Shimamoto, Osaka, JP;
Takashi Kishimoto, Nara, JP;
Takeshi Shimamoto, Osaka, JP;
Takashi Kishimoto, Nara, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Provided are an optical disc discrimination method, an optical disc device and an integrated circuit that enable to accurately discriminate the type of an optical disc. The optical disc discrimination method comprises a first seeking step (S) of performing a seek operation to a predetermined reference address in a user data area; a second seeking step (S) of performing a seek operation from the reference address sought in the first seeking step (S) to a predetermined target address in a physical information area, an address reading step (S) of reading a current address at a position sought in the second seeking step (S), and an optical disc type determination step (Sthrough S) of determining the type of the optical disc loaded in the optical disc device, based on the current address read in the address reading step (S).