Digital magnetic recording/reproducing amplifying apparatus

Details Digital magnetic recording/reproducing amplifying apparatus Digital magnetic recording/reproducing amplifying apparatus

1991-03-15

1993-05-04

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 68, G11B 509

Patent

active

052087093

ABSTRACT:
A digital magnetic recording/reproducing amplifying apparatus which includes a recording amplifying portion, a first reproducing amplifying portion, a switching portion, and a second reproducing amplifying portion. The apparatus has the advantage of uniform performance by a more simply defined recording current waveform with variable resistance and by performing a two-stage amplification while simultaneously reducing the number of amplifiers by half.

REFERENCES:
patent: 3099708 (1963-07-01), Smith

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