Recording/playback apparatus in which head and tape are held in

Details Recording/playback apparatus in which head and tape are held in Recording/playback apparatus in which head and tape are held in

1993-07-21

1995-11-28

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 7312, 360 7706, G11B 1518

Patent

active

054713528

ABSTRACT:
A recording/playback apparatus wherein rotary heads play back positional information recorded on a magnetic tape which can travel rapidly in a search operation. Piezoelectric actuators extend the rotary heads, an actuator driver drives the piezoelectric actuators, and a microprocessor controls the actuator driver. A target position on the magnetic tape is designated through a control panel by a user of the apparatus. The processor controls the actuator driver so as to hold the heads out of contact with the tape in a pause or stop mode of the apparatus, and so as to bring the heads into temporary contact with the tape at least once before the tape is caused to travel to the target position, whereupon the processor detects the positional information on the tape. When the target position has been approached, the processor controls the actuator driver so as to hold the heads in contact with the tape, and it detects the positional information. Thus, while providing a rapid search, the apparatus can prevent the heads and the tape from wearing away and can detect the target position precisely.

REFERENCES:
patent: 4805050 (1989-02-01), Aoyagi et al.
patent: 4845697 (1989-07-01), Giddings
patent: 4845697 (1989-07-01), Squires et al.
patent: 4887172 (1989-12-01), Steele
patent: 5177652 (1993-01-01), Yamaguchi et al.
patent: 5274513 (1993-12-01), Nakano et al.
patent: 5311380 (1994-05-01), Murata et al.

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