Recording medium, recording apparatus, and reading apparatus

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval

Reexamination Certificate

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Details

C369S047210, C369S047270

Reexamination Certificate

active

06990052

ABSTRACT:
In a recording material, physical characteristic information of the recording medium, and more specifically, material information representing the material of the disc, is recorded. Accordingly, a recording apparatus and a reading apparatus easily and accurately determine the physical characteristics of the disc, thereby making it possible to provide suitable setting for performing an operation.

REFERENCES:
patent: 4755980 (1988-07-01), Yoshimaru et al.
patent: 5502702 (1996-03-01), Nakajo
patent: 5796708 (1998-08-01), Ohkawa et al.
patent: 6411574 (2002-06-01), Su et al.
patent: 0 210 629 (1987-02-01), None
patent: 0 288 114 (1988-10-01), None
patent: 1 049 095 (2000-11-01), None
patent: 59 060742 (1984-04-01), None
patent: 62 016255 (1987-01-01), None

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