M-O disk recording apparatus with light amount control based on

Details M-O disk recording apparatus with light amount control based on M-O disk recording apparatus with light amount control based on

1993-02-10

1994-05-03

Young, W. R.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 50, 369 58, 369116, G11B 700

Patent

active

053094190

ABSTRACT:
To determine the optimum recording light amounts for all recordable regions of each optical disk in a relatively short time, information is recorded on the try-to-write region 4 on the inside of the innermost periphery of the rewritable region 2 of the optical disk 1 while rotating it at linear velocities equal to the recording velocities of at least two positions (radii R1, R2) in the radius direction A within the rewritable region 2, and the optimum recording light amounts are measured. Then, the optimum recording light amounts for all velocities in the rewritable region 2 are determined by an interpolation or extrapolation processing 26 of the measured optimum recording light amounts at the two velocities.

REFERENCES:
patent: 4631713 (1986-12-01), Romeas et al.
patent: 5070495 (1991-12-01), Bletscher, Jr. et al.
patent: 5134606 (1992-07-01), Sekiguchi et al.
patent: 5185733 (1993-02-01), Finkelstein et al.
patent: 5226027 (1993-07-01), Baky
patent: 5233584 (1993-08-01), Kulakowski et al.

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