Rotary head type magnetic recording and reproducing apparatus wi

Details Rotary head type magnetic recording and reproducing apparatus wi Rotary head type magnetic recording and reproducing apparatus wi

1989-11-03

1991-05-21

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 64, 360 84, G11B 552

Patent

active

050180363

ABSTRACT:
The present invention discloses a rotary head type magnetic recording and reproducing device in which a rotary drum is provided with a pair of magnetic heads arranged at an angle of 180.degree. and a further pair of magnetic heads deviated in phase angle from the first mentioned magnetic heads and arranged at an angle of 180.degree. from each other, and a widening angle of a tape in contact with the drum is smaller than the phase angle, one pair of magnetic heads being exclusive for recording while the other pair of magnetic heads being exclusive for reproducing. A gap length of the magnetic head exclusive for reproducing is longer than that of the magnetic head for recording.

REFERENCES:
patent: 4306261 (1981-12-01), Bergmans
patent: 4539615 (1985-09-01), Arai et al.
patent: 4642711 (1987-02-01), Yunoki et al.
patent: 4669002 (1987-05-01), Nishioka et al.
patent: 4758903 (1988-07-01), Noguchi et al.
patent: 4922359 (1990-05-01), Nakamura
patent: 4931883 (1990-06-01), Baumeister et al.

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