Recorder for recording copy of production on the basis of...

Dynamic information storage or retrieval – Duplication or copying

Reexamination Certificate

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C369S053210

Reexamination Certificate

active

06937553

ABSTRACT:
A recording apparatus for recording a duplicate of a product onto a recording medium, the product being a copyrighted digital product having a copy attribute embedded as a watermark thereon and the recording apparatus including (a) an acquiring unit for acquiring the copy attribute embedded on the product, (b) a changing unit for changing the acquired copy attribute into a copy attribute showing no more copy when the acquired copy attribute shows one generation copy, (c) a reading unit for reading from the recording medium at least a part of medium ID information recorded on the recording medium in an unalterable state, and (d) a recording unit for recording onto the recording medium the duplicate having both the copy attribute showing no more copy and the read medium ID information embedded as a watermark thereon.

REFERENCES:
patent: 6266299 (2001-07-01), Oshima et al.
patent: 6279959 (2001-08-01), Nishizawa
patent: 6608804 (2003-08-01), Shim
patent: 6707774 (2004-03-01), Kuroda et al.
patent: 0 859 503 (1998-08-01), None
patent: 8-339629 (1996-12-01), None
patent: 9-163306 (1997-06-01), None
patent: 10-191247 (1998-07-01), None
patent: 11-328846 (1999-11-01), None
patent: 11-339373 (1999-12-01), None
patent: 2000-149414 (2000-05-01), None

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