Magnetic recording/reproducing apparatus which maintains a const

Details Magnetic recording/reproducing apparatus which maintains a const Magnetic recording/reproducing apparatus which maintains a const

1991-09-09

1993-07-13

Sniezak, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 7712, 360 70, 360 723, G11B 1546

Patent

active

052279286

ABSTRACT:
A magnetic recording/reproducing apparatus for recording a signal onto a magnetic tape and reproducing a recorded signal comprises magnetic heads mounted on a rotary cylinder, a tape driving mechanism, high speed running control device for driving a reel shaft to rotate at a speed higher than a normal recording/reproducing speed, tape-running detecting device, reel motor starting device for generating a ramp voltage having a suitable gradient, a switch for turning on/off the tape running speed control by the high speed running control device and adding device. In the apparatus the cylinder rotation speed follow-up control never comes out in making the high speed running of the tape rise, so that the relative speed between the head and tape is maintained to substantial constant.

REFERENCES:
patent: 3913134 (1975-10-01), Sargunar
patent: 4630142 (1986-12-01), Tani et al.
patent: 5021896 (1991-06-01), Horino
patent: 5053895 (1991-10-01), Choi

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