Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2006-05-16
2006-05-16
Nguyen, Hoa T. (Department: 2656)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
C369S047210
Reexamination Certificate
active
07046607
ABSTRACT:
In a multimedia copy control system, digital contents data stored in the digital data recording medium includes a first copy control information of a digital format and a second copy control information of an analog embedded format, and encryption of the reproduction output data from the recording medium is decrypted and judged for each digital contents unit under reproduction, and even in the case of detecting no first copy control information, the reproduction of the digital contents data is controlled based on the second copy control information.
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Greenblum & Bernstein P.L.C.
Matsushita Electric - Industrial Co., Ltd.
Nguyen Hoa T.
Ortiz-Criado J. L.
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