Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1990-08-01
1991-03-19
Canney, Vincent P.
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
G11B 700
Patent
active
050016989
ABSTRACT:
A read-out information signal processing circuit having a switching device for relaying the read-out information signal read-out from a recording medium in an optical recording and reproducing system. The read-out information signal relayed by the switching device is supplied to an A/D converting circuit through DC interrupt means. The switching device is turned off during the recording period. Thus, the variations of DC level supplied to the A/D converting circuit at the transient time from a recording mode to a reproducing mode can be prevented and the dynamic range of A/D converting circuit can be effectively used.
REFERENCES:
patent: 4542421 (1985-09-01), Fujiboyoshi
patent: 4628373 (1986-12-01), Tokohoshi et al.
Canney Vincent P.
Pioneer Electronic Corporation
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