Magnetic recording and/or reproducing apparatus having single he

Details Magnetic recording and/or reproducing apparatus having single he Magnetic recording and/or reproducing apparatus having single he

1989-05-15

1992-02-18

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Synchronizing moving-head moving-record recorders

360 64, G11B 2104, G11B 1514

Patent

active

050899180

ABSTRACT:
In a magnetic recording and/or reproducing apparatus of a rotary head type, a magnetic head having two gaps of different azimuth angles is installed on the rotary drum and a switching signal, the polarity of which is inverted every rotation of the rotary drum is generated. The duty of the switching signal is adjusted so as to correspond to a time-difference between the two gaps of the above head. The timings of the recording operation and the reproducing operation to be performed by the magnetic head are controlled on the basis of the above adjusted switching signal.

REFERENCES:
patent: 4438465 (1984-03-01), Moriya et al.
patent: 4523237 (1985-06-01), Fukuda et al.
patent: 4760474 (1988-07-01), Takimoto
patent: 4905104 (1990-02-01), Okamoto et al.
patent: 4951162 (1990-08-01), Yoshimura et al.

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