Optical disk apparatus for recording information using a light i

Details Optical disk apparatus for recording information using a light i Optical disk apparatus for recording information using a light i

1995-07-18

1998-08-04

Neyzari, Ali

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369 48, 369 58, G11B 700, G11B 1100

Patent

active

057904820

ABSTRACT:
An optical disk apparatus is capable of recording, reproduction and erasure by a laser beam. The user data is recorded in a RAM area on an optical disk by a recording device including a modulation encoder and a recording waveform generator. At the time of reproduction, the data in the RAM/ROM area is detected by a reproduction device to thereby demodulate the user data.

REFERENCES:
patent: 5361247 (1994-11-01), Fuji et al.
patent: 5559777 (1996-09-01), Maeda et al.
E.R. Kretzmer, "Generalization of a Technique for Binary Data Communication", IEEE Transactions on Communication Technology, COM-14, No. 67, Feb. 1966.
"Signal Processing Scheme PRML, Supporting Next-Generation Large-Capacity 6-Stage Device", Part 4, Nikkei Electronics, Jan. 17, 1994, Issue No. 559, pp. 71-97.

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