Content reproduction apparatus, content reproduction method, content management apparatus, content management method and computer program

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United States of America Patent

APP PUB NO 20050281163A1
SERIAL NO

11144943

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A content reproduction apparatus and method is disclosed which can manage a use state for each one, two or more tracks included in a content and perform prescribed updating irrespective of the number of tracks reproduced in an overlapping relationship, with the following configuration. The content reproduction apparatus includes: a track selection section operable in response to a reproduction request of a content for selecting a track or tracks; a status ID reading section reads a status ID from the selected track; a license extraction section extracts a license corresponding to the status ID; a status information extraction section extracts, when the extracted license includes a use limitation condition, the status information corresponding to the status ID; and a license decision section decides whether or not the use state of the status information satisfies the use limitation condition of the license.

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Patent Owner(s)

Patent OwnerAddress
SONY CORPORATION1-7-1 KONAN MINATO-KU TOKYO 108-0075

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagano, Motohiko Tokyo, JP 27 784
Saeki, Keiko Tokyo, JP 14 207
Sakamoto, Takahiro Tokyo, JP 56 531

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