Dynamic magnetic information storage or retrieval – General processing of a digital signal – Head amplifier circuit
Patent
1987-07-21
1989-04-18
Faber, Alan
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Head amplifier circuit
360 67, G11B 509, G11B 2010
Patent
active
048232084
ABSTRACT:
A signal read out circuit included in a magnetic recording device is disclosed in which plural kinds of slice levels are used simultaneously for a reproduced analog waveform to produce a plurality of gate signals corresponding to the slice levels, and it is judged on the basis of the gate signals whether each portion of the reproduced waveform is correct or not in producing a digital output.
REFERENCES:
patent: 4081756 (1978-03-01), Price et al.
patent: 4399474 (1983-08-01), Coleman, Jr.
Aoi Hajime
Nishiyama Nobumasa
Ouchi Yasuhide
Saitoh Makoto
Tamura Takashi
Faber Alan
Fournier Kevin J.
Hitachi , Ltd.
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