Information reproducing apparatus with a DC level correcting cap

Details Information reproducing apparatus with a DC level correcting cap Information reproducing apparatus with a DC level correcting cap

1993-11-22

1996-03-05

Young, W. R.

Dynamic information storage or retrieval

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

Mechanism control by the control signal

369 58, 369110, 369124, G11B 700

Patent

active

054973619

ABSTRACT:
An information reproducing apparatus is capable of stably and correctly binarizing a signal reproduced from a recording medium, such as an optical disk, even if the reproduced signal contains a fluctuation of its low frequency component. The reproduced signal is replaced by an AC signal in a period other than a period during which the reproduced signal is to be demodulated so that DC fluctuation of the reproduced signal is reduced to thereby stably and correctly binarize the reproduced signal.

REFERENCES:
patent: 4964000 (1990-10-01), Kanota et al.
patent: 5101395 (1992-03-01), Cardero et al.
patent: 5134607 (1992-07-01), Fuji et al.
K. Tanaka, "Signal Processing Technique in Optical Recording", 1989, pp. 116-118.

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