Information security – Prevention of unauthorized use of data including prevention...
Reexamination Certificate
2007-05-11
2011-11-15
Moorthy, Aravind (Department: 2492)
Information security
Prevention of unauthorized use of data including prevention...
C726S028000, C726S029000, C726S030000, C713S165000, C713S168000, C713S189000, C380S201000, C380S202000, C380S203000, C380S217000, C380S229000, C380S233000, C380S236000, C380S241000, C709S217000, C709S219000, C709S227000, C709S231000, C709S232000, C707S622000
Reexamination Certificate
active
08060938
ABSTRACT:
A proprietary portable audio player system for protecting digital content copyrights, which includes a proprietary portable audio player, a web access interface, and an online music server. The proprietary portable audio player has a hardware unique device identity. The proprietary portable audio player has a playback token acquirement mode and uses a first transmission medium to link with the online music server to thereby obtain a playback token for a corresponding music file playback. The online music server pre-stores a plurality of music files with compression formats, a plurality of playback tokens, and a mapping table. When a playback token signal from the web access interface is received, the online music server accordingly issues a playback token corresponding to a specific music file, updates the mapping table, and sends the playback token to the proprietary portable audio player through the first transmission medium.
REFERENCES:
patent: 7039615 (2006-05-01), Gajjala et al.
patent: 2003/0028454 (2003-02-01), Ooho et al.
patent: 2005/0091507 (2005-04-01), Lee et al.
patent: 2005/0091508 (2005-04-01), Lee et al.
patent: 2005/0195975 (2005-09-01), Kawakita
patent: 2006/0008256 (2006-01-01), Khedouri et al.
patent: 2006/0168142 (2006-07-01), Juszkiewicz
patent: 2006/0253547 (2006-11-01), Wood et al.
patent: 2008/0256368 (2008-10-01), Ross et al.
Bacon & Thomas PLLC
Moorthy Aravind
Sunplus Technology Co. Ltd.
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