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:
Jan. 20, 2009
Filed:
Jul. 30, 2004
Kazuhiko Yamauchi, Neyagawa, JP;
Masayuki Kozuka, Neyagawa, JP;
Kazuhiro Tsuga, Takarazuka, JP;
Kaoru Murase, Nara-ken, JP;
Shinichi Saeki, Osaka-fu, JP;
Katsuhiko Miwa, Osaka, JP;
Kazuhiko Yamauchi, Neyagawa, JP;
Masayuki Kozuka, Neyagawa, JP;
Kazuhiro Tsuga, Takarazuka, JP;
Kaoru Murase, Nara-ken, JP;
Shinichi Saeki, Osaka-fu, JP;
Katsuhiko Miwa, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A multimedia optical disc is provided. The multimedia optical disc includes a data area and a management information area. The data area stores a plurality pieces of video data. The management information area stores a channel table in which a plurality of logical channel numbers are respectively related to a plurality of physical channel numbers for each piece of video data. A piece of moving picture data and a plurality pieces of sub-data are interleaved in each piece of video data. The sub-data is either of audio data and sub-picture data as still pictures. The logical channel numbers are shared by pieces of video data. The physical channel numbers are used to physically identify the plurality pieces of sub-data. With this construction, it is possible to manage sub-data even when the sub-data is dealt with by a plurality pieces of video data.