Magnetic recording and/or reproducing apparatus

Details Magnetic recording and/or reproducing apparatus Magnetic recording and/or reproducing apparatus

1989-03-31

1991-11-12

Envall, Jr., Roy N.

Dynamic magnetic information storage or retrieval

Converting an analog signal to digital form for recording;...

360 91, 360 191, 360 8, 358335, 358310, G11B 500, G11B 501

Patent

active

050652591

ABSTRACT:
In a system for recording digital data obtained based on an information signal on a magnetic tape and/or reproducing digital data obtained based on an information signal from a magnetic tape, a magnetic recording apparatus comprises an encoder for producing, based on the information signal, one of plural kinds of digital data which have different transmission rates respectively, a time base processor for selectively converting a time base of digital data obtained from the encoder so as to produce modified digital data having a predetermined transmission rate, a recording modulator for producing a recording signal corresponding to the modified digital data, a recording portion provided with a rotary magnetic head device to which the recording signal is supplied and a tape guide for guiding the magnetic tape and operative to cause the rotary magnetic head device to contact with the magnetic tape for forming oblique record tracks on the magnetic tape, a head driver for rotating the rotary magnetic head device at a predetermined speed of rotation, and a tape driving device for causing the magnetic tape to run at a speed corresponding to the transmission rate of the digital data obtained from the encoder.

REFERENCES:
patent: 4378593 (1983-03-01), Yamamoto
patent: 4438465 (1984-03-01), Moriya et al.
patent: 4549227 (1985-08-01), Hashimoto et al.
patent: 4590522 (1986-05-01), Takemota et al.
patent: 4608609 (1986-08-01), Takono et al.
patent: 4633293 (1986-12-01), Powers
patent: 4763206 (1988-08-01), Takahashi et al.
patent: 4862292 (1989-08-01), Enari et al.

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