Magnetic recording or reproducing apparatus

Details Magnetic recording or reproducing apparatus Magnetic recording or reproducing apparatus

1991-06-25

1994-05-17

Callahan, Timothy P.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 7305, 360 7309, 360 7311, 360 7314, G11B 1518, G11B 1546

Patent

active

053133439

ABSTRACT:
A magnetic recording or reproducing apparatus for recording or reproducing a signal on or from a magnetic tape while causing the magnetic tape to travel in the state of being wrapped around a rotary head drum provided with a magnetic head. The apparatus includes a speed detecting part for detecting a speed of the magnetic tape, a supply-reel-side tension detecting part for detecting a tension of the magnetic tape between the rotary head drum and a supply reel, a take-up-reel-side tension detecting part for detecting a tension of the magnetic tape between the rotary head drum and a take-up reel, and a control signal switching part for switching control signals in accordance with whether the magnetic tape is made to travel in a forward or rearward direction.

REFERENCES:
patent: 4341363 (1982-07-01), Inatome
patent: 4400745 (1983-08-01), Shu
patent: 4696439 (1987-09-01), Sukigara et al.
patent: 4786992 (1988-11-01), Tajima et al.
patent: 4807107 (1989-02-01), Fincher
patent: 5085379 (1992-02-01), Uchikoshi et al.
patent: 5125592 (1992-06-01), Sato

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