Optical recording medium and method for setting power of laser b

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

Patent

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Details

369116, G11B 390, G11B 700

Patent

active

058986553

ABSTRACT:
An optical recording medium has a plurality of test areas on each of which test signals are written, and a plurality of power sitting information recording areas on each of which an optimum laser power obtained by reading the recorded test signal written in one of the test areas is written. An identification information of a recording system by which the test signal is written is also written on the power setting information recording area.

REFERENCES:
patent: 5072435 (1991-12-01), Bakx
patent: 5226027 (1993-07-01), Bakx

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