Optical information recording and reproducing apparatus with var

Details Optical information recording and reproducing apparatus with var Optical information recording and reproducing apparatus with var

1994-04-06

1997-02-04

Young, W. R.

Dynamic information storage or retrieval

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

Mechanism control by the control signal

369 54, 369124, G11B 700

Patent

active

056006160

ABSTRACT:
An optical information recording and reproducing apparatus comprising: a reproduction signal processing circuit including one or more elements which have respective variable parameters for changing states of the elements, respectively at the time of read-out of data from a recording medium such that the data is read out from the recording medium by changing the states of the elements.

REFERENCES:
patent: 4908811 (1990-03-01), Yokogawa et al.
patent: 5057946 (1991-10-01), Sugiyama
patent: 5065386 (1991-11-01), Takeya et al.
patent: 5124967 (1992-06-01), Isaka et al.
patent: 5136569 (1992-08-01), Fennema et al.
patent: 5299070 (1994-03-01), Takahashi et al.
Patent Abstracts of Japan, vol. 13, No. 294, Mar. 17, 1989 JP 01-073564.
Patent Abstracts of Japan, vol. 8, No. 113, Feb. 4, 1984 JP 59-022207.

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