Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent
1996-06-27
2000-10-17
Tran, Thang V.
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
G11B 509
Patent
active
061342017
ABSTRACT:
A data recording apparatus capable of preventing easily copying of information is disclosed with which, even if information is copied, the copied information cannot be reproduced, the data recording apparatus having a terminal to which encoder ID specific for the data recording apparatus is input, a recording unit for recording at least the encoder ID on an optical disk, and an encoding circuit for, in accordance with the encoder ID, encoding data supply through a terminal and required to be recorded so that encoded data is, together with the encoder ID, recorded on the optical disk.
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Kawashima Isao
Kurihara Akira
Osawa Yoshitomo
Owa Hideo
Sako Yoichiro
Frommer William S.
Smid Dennis M.
Sony Corporation
Tran Thang V.
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