Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1993-08-03
1995-07-18
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
Head
Head accessory
360102, 360107, G11B 1564
Patent
active
054347351
ABSTRACT:
A recording/playback apparatus including a stationary drum on which a traveling magnetic tape is wound, a plurality of magnetic heads for recording and playing back data, a rotary portion which is rotated while carrying the heads thereon, a drive portion which drives the rotary portion, an air injection device which spouts air from the vicinities of the magnetic heads toward the magnetic tape in order to separate the tape from the heads, and a control device which controls the start and stop of the air spouting of the air injection device. In the standby mode of the apparatus, in which the rotary portion is rotated though the heads perform neither the recording nor the playback operation, the tape is separated from the heads, so that the heads are prevented from wearing away. As soon as the standby mode has ended, the tape is brought into contact with the heads, so that the recording or playback operation can be immediately started.
REFERENCES:
patent: 3110889 (1963-11-01), Morley et al.
patent: 3435442 (1969-03-01), Ma et al.
patent: 3939493 (1976-02-01), Fowler et al.
patent: 4641214 (1987-02-01), Imanishi et al.
patent: 5041937 (1991-08-01), Saito
patent: 5303106 (1994-04-01), Kiko
Abe Fukuyasu
Higuchi Shigemitsu
Kaku Nobuyuki
Kobata Shigeyuki
Masuda Kenmei
Habermehl James L.
Hitachi , Ltd.
Psitos Aristotelis
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