Recording medium having digital copy management data recorded th

Details Recording medium having digital copy management data recorded th Recording medium having digital copy management data recorded th

1997-06-10

2000-03-07

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

386 94, 380 4, G11B 1504, H04N 591, H04L 900

Patent

active

060348321

ABSTRACT:
A system wherein management data for managing allowance or unallowance (i.e., prohibition) of copies on a recording medium are recorded, and a time restriction condition, an area limiting condition, a condition for restricting a copy mode, etc. are managed on the basis of the recorded copy management data. When data are copied to different recording media, the copy management data are recorded together with the main data, thereby restricting the reproducing operation of the main data.

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patent: 5621578 (1997-04-01), Matsumi et al.
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patent: 5699370 (1997-12-01), Kaniwa et al.
patent: 5729516 (1998-03-01), Tozaki et al.
patent: 5805550 (1998-09-01), Ohmori

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