Digital signal recording and/or reproducing apparatus having cor

Details Digital signal recording and/or reproducing apparatus having cor Digital signal recording and/or reproducing apparatus having cor

1992-01-29

1994-06-21

Hajec, Donald

Dynamic magnetic information storage or retrieval

Converting an analog signal to digital form for recording;...

381104, 381107, G11B 500, G11B 509, H03G 300

Patent

active

053232755

ABSTRACT:
A digital signal recording and/or reproducing apparatus which converts an input analog signal into a digital signal and records the digital signal on a recording medium, or which reproduces a digital signal recorded on a recording medium and converts the digital signal into an analog signal has an analog signal level controller and a digital signal level controller connected in front of and after an A/D converter or a D/A converter and the digital signal level controller and the analog signal level controller are controlled in correlation with each other, whereby the S/N ratio of a recording signal or a reproducing signal can be improved.

REFERENCES:
patent: 4745298 (1988-05-01), Kwamatsu
patent: 5097364 (1992-05-01), Goto et al.
patent: 5146370 (1992-09-01), Endo et al.
patent: 5157557 (1992-10-01), Oohashi et al.

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