Dynamic information storage or retrieval – Binary pulse train information signal – Format arrangement processing for auxiliary information
Reexamination Certificate
2008-01-11
2008-12-30
Tran, Thang V (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Format arrangement processing for auxiliary information
C369S275300, C369S030030
Reexamination Certificate
active
07471608
ABSTRACT:
An information recording medium includes a lead-in area and a data area for storing contents information. The lead-in area includes a first lead-in information area and a second lead-in information area. The first lead-in information area corresponds to a first playback mode. The second lead-in information area corresponds to a second playback mode different from the first playback mode. The first lead-in information area has a first depth and is designed for storing lead-in information related to the contents information stored in the data area. The second lead-in information area includes pre-pits having a second depth greater than the first depth. The pre-pits represent predetermined information, such as information of copyright protection, related to the contents information stored in the data area.
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Tran Thang V
Victor Company of Japan Ltd.
Woo Louis
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