Optical disk apparatus capable of simultaneously recording user

Details Optical disk apparatus capable of simultaneously recording user Optical disk apparatus capable of simultaneously recording user

1997-11-17

1999-09-21

Huber, PAul W.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

369 59, 360 27, G11B 509, G11B 502

Patent

active

059563052

ABSTRACT:
The present invention provides an optical disk apparatus for recording predetermined data on an optical disk having a concentric or spiral track for recording data and a plurality of sector regions each having a predetermined track length. The apparatus includes interface circuit for acquiring user data to be recorded on the optical disk, error correction circuit and data generating circuit for adding first error correcting parity data to the user data acquired by the interface circuit to generate first recording data and adding second error correcting parity data to the first recording data to generate second recording data, and optical head for involving the second recording data, generated by the error correction circuit and the data generating circuit, in a light beam and emitting the light beam to the optical disk to record the second recording data on the optical disk.

REFERENCES:
patent: 4907215 (1990-03-01), Sako et al.
patent: 5517484 (1996-05-01), Takagi et al.

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