Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data verification
Patent
1990-07-11
1992-12-29
Severin, David J.
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Data verification
G11B 2730, G11B 2736
Patent
active
051756552
ABSTRACT:
In method and apparatus for recording information, an information signal to be recorded is encoded, the enclosed signal is stored in a memory and also recorded on a recording medium, the signal recorded on the medium is read, and the read signal is compared with the signal stored in the memory to detect a recording error.
REFERENCES:
patent: 4415938 (1983-11-01), Heitmann
patent: 4740942 (1988-04-01), Ogino et al.
patent: 4764915 (1988-08-01), Efron et al.
patent: 4953161 (1990-08-01), Toyama
Canon Kabushiki Kaisha
Severin David J.
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