Dynamic magnetic information storage or retrieval – Recording or reproducing plural information signals on the...
Patent
1986-07-16
1988-07-19
Cardillo, Raymond F.
Dynamic magnetic information storage or retrieval
Recording or reproducing plural information signals on the...
360 53, 360 32, 360 15, 371 38, G11B 509, G11B 586, G11B 2018
Patent
active
047589027
ABSTRACT:
A PCM signal recording and reproducing apparatus comprises first and second memory circuits, in which PCM signals are read and written using the first memory circuit, while PCM signals stored in the second memory circuit are error-corrected. At the end of writing by the first memory circuit, the first and second memory circuits are interchanged to read the error-corrected PCM signals stored in the second memory circuit. The read-out error-corrected PCM signals are then recorded on another magnetic tape.
REFERENCES:
patent: 4238852 (1980-12-01), Iga et al.
patent: 4477844 (1984-10-01), Nakano et al.
Kimura Hiroyuki
Kobayashi Masaharu
Noguchi Takaharu
Okamoto Hiroo
Yamazaki Shigeru
Cardillo Raymond F.
Fournier Kevin J.
Hitachi , Ltd.
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