Optical recording method

Details Optical recording method Optical recording method

1994-07-28

1996-03-12

Epps, Georgia Y.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 50, 369 54, G11B 700

Patent

active

054992257

ABSTRACT:
A CD write-once disk has a program area in which programs are written, and a PMA in which a table of contents of the information written in the program area is written, and a pregroove for representing an absolute time on the disk. An unrecorded disk mounted on a turn table is determined when a table of contents is not written in the PMA. In that case, an optical pickup is moved to a predetermined position in the program area based on the absolute time obtained from the pregroove.

REFERENCES:
patent: 4791623 (1988-12-01), Deiotte
patent: 4942565 (1990-07-01), Lagadec
patent: 4996678, Maeda
patent: 5043967 (1991-08-01), Gregg et al.
patent: 5065388 (1991-11-01), Roth et al.
patent: 5177720 (1993-01-01), Kondo
patent: 5197053 (1993-03-01), Baas

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