Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2007-12-11
2007-12-11
Wellington, Andrea (Department: 2627)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
C369S084000, C369S030050, C369S047120
Reexamination Certificate
active
09692601
ABSTRACT:
Apparatus nominally used for recording includes a reproduction section to play digital data from a recording medium recorded with that digital data and retrieval information, a recording section to write the digital data reproduced by the reproduction section and record the retrieval information on a control table, and a control circuit to search the control table by using the retrieval information when the digital data from the reproduction section is written by the recording section, thereby to permit the writing of digital data recorded on the medium with the recording section when the retrieval information is not recorded on the control table, and to prohibit the writing of digital data recorded on the medium with the recording section when the retrieval information is already recorded on the control table, and also to prevent the mistaken duplicate copying of the digital data with the recording section.
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Chu Kim-Kwok
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Sony Corporation
Wellington Andrea
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