Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2006-07-04
2006-07-04
Edun, Muhammad (Department: 2655)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
C369S059250, C369S047100, C369S047120, C369S275100
Reexamination Certificate
active
07072260
ABSTRACT:
A data recording medium on which digital data including work data such as a music tune or an image is recorded in a data recording area, and on which identification information enabling identification particular to the recording medium is recorded in an identification information recording area, whereas discrimination information indicating the presence/absence of the identification information is recorded in a lead-in area. The location of the digital data recorded on the recording medium is managed in accordance with the identification information for carrying out identification proper to the recording medium recorded on the recording medium, thus realizing multiple uses of the work data, such as duplication for a plurality of times.
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Ihashi Takao
Inokuchi Tatsuya
Kijima Kaoru
Sako Yoichiro
Yamamoto Masanobu
Edun Muhammad
Lerner David Littenberg Krumholz & Mentlik LLP
Sony Corporation
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