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:
Feb. 19, 2013
Filed:
Nov. 03, 2009
Wataru Ikeda, Osaka, JP;
Hiroshi Hamasaka, Osaka, JP;
Kazuhiko Nakamura, Osaka, JP;
Tomoyuki Okada, Nara, JP;
Masayuki Kozuka, Osaka, JP;
Wataru Ikeda, Osaka, JP;
Hiroshi Hamasaka, Osaka, JP;
Kazuhiko Nakamura, Osaka, JP;
Tomoyuki Okada, Nara, JP;
Masayuki Kozuka, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A playback apparatus not only plays back an AV stream recorded on a BD-ROM but also downloads an update kit from a WWW server () and writes it on a local HD (). The AV stream stored in the local HD () includes an audio stream for an additional language. A control unit () reads the AV stream recorded on the BD-ROM and the AV stream recorded in the local. HD () in units of access units. An audio decoder () obtains a necessary audio frame from the access units read from the BD-ROM and the local HD () and plays it back. A video decoder () obtains video data from the access unit read from the BD-ROM and plays it back.