Dynamic magnetic information storage or retrieval – Recording or reproducing an information signal and a control... – Reference carrier to control demodulator
Patent
1985-05-13
1986-09-02
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
Recording or reproducing an information signal and a control...
Reference carrier to control demodulator
360 27, 360 61, G11B 502, G11B 1512
Patent
active
046099492
ABSTRACT:
A magnetic disc reproducing apparatus for reproducing analog or digital information signals selectively recorded in a plurality of tracks of a magnetic disc includes a transducer placed in transducing relation with the plurality of tracks for reproducing the information signals recorded in one of the tracks, a checking circuit connected to the transducer for checking a portion of the reproduced information signals and an identifying circuit connected to the checking circuit for identifying whether analog or digital information signals are being reproduced.
REFERENCES:
patent: 3932894 (1976-01-01), Arter et al.
patent: 4445151 (1984-04-01), Kinoshita et al.
Canney Vincent P.
Eslinger Lewis H.
Sinderbrand Alvin
Sony Corporation
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