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:
Apr. 19, 2005
Filed:
May. 29, 2002
Katsuya Watanabe, Nara, JP;
Tatsuo Suzuki, Kyoto, JP;
Akihiro Hatsusegawa, Kyoto, JP;
Masanobu Takahashi, Osaka, JP;
Katsuya Watanabe, Nara, JP;
Tatsuo Suzuki, Kyoto, JP;
Akihiro Hatsusegawa, Kyoto, JP;
Masanobu Takahashi, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Abstract
An optical disc controller for controlling recording or reproduction of an optical disc includes: a rewritable memory for storing information necessary for recording or reproduction of the optical disc; a determination section for determining a class and type of the optical disc; a search section for searching for a region of the optical disc in which control information is recorded based on a determination result of the determination section; a reproduction section for reproducing the control information recorded in the region searched by the search section; and a memory control section for changing an arrangement of the memory based on at least one of the determination result and the control information reproduced by the reproduction section.