Read/write apparatus for magnetic recorders

Details Read/write apparatus for magnetic recorders Read/write apparatus for magnetic recorders

1976-02-02

1977-07-19

Lucas, Jay P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 61, G11B 1512

Patent

active

040372588

ABSTRACT:
A read/write apparatus for magnetic recorders including a decoder for converting input digital control and data signals into a plurality of select signals, a voltage source switchably connected to the read/write heads of the apparatus such that individual select lines are enabled for determining which recording head is actuated for writing on a chosen magnetic medium, what orientation of magnetic flux will be written, and what magnitude of flux will be written. Also, the select lines operate, when the voltage source is disabled, to condition the heads to allow read-out of data recorded on the magnetic media, and to select which head is to perform this read-out. Also included in the recorder is a signal redigitizer to digitize data read from the magnetic media, and erase means for reducing edge and transient effects on the magnetic media.

REFERENCES:
patent: 2879500 (1959-03-01), Vaughan
patent: 3233230 (1966-02-01), Camp
patent: 3243782 (1966-03-01), Underwood
patent: 3637928 (1972-01-01), Poulett
patent: 3697678 (1972-10-01), Belleson
patent: 3911484 (1975-10-01), Mutov et al.
patent: 3930266 (1975-12-01), Okamoto

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