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. 20, 2011
Filed:
Sep. 07, 2006
Katsuhiko Watanabe, Saitama, JP;
Tetsuo Morimoto, Kanagawa, JP;
Kou Kobayashi, Tokyo, JP;
Kenichiro Imai, Kanagawa, JP;
Yoshinobu Matsumoto, Kanagawa, JP;
Katsuhiko Watanabe, Saitama, JP;
Tetsuo Morimoto, Kanagawa, JP;
Kou Kobayashi, Tokyo, JP;
Kenichiro Imai, Kanagawa, JP;
Yoshinobu Matsumoto, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A playback apparatus includes a classified region selecting section that selects a classified region at random from among a plurality of classified regions on a recording medium, the recording medium including recorded data managed such that a plurality of pieces of unit data belong to corresponding classified regions serving as data storage logical regions generated in accordance with a predetermined classification rule; a unit data selecting section that selects a piece of unit data from among the pieces of unit data that belong to the selected classified region; a reading section that reads from the recording medium the selected piece of unit data in order to play back the selected piece of unit data; and an execution controller that controls the repeated execution of a series of selecting and reading operations including selection of a classified region, selection of a piece of unit data, and reading of the selected piece of unit data.