Magnetic recording and reproducing apparatus

Details Magnetic recording and reproducing apparatus Magnetic recording and reproducing apparatus

1986-05-08

1987-11-10

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

G11B 1500

Patent

active

047061391

ABSTRACT:
In a helical scan type magnetic recording and reproducing apparatus having a tape loading mechanism for training the magnetic tape against the wall of a tape guide drum, including a magnetic head, over a predetermined angle, an idler is arranged to selectively engage a supply reel pedestal and a takeup reel pedestal and is provided with a driving torque transmitting device for transmitting driving torque from a drive source to this idler, wherein the aforesaid driving torque transmitting device is arranged to be switchable between a first mode, where the driving torque of the drive source is directly transmitted to the idler, and a second mode, where the driving torque of the drive source is transmitted through a slip torque transmission portion to the idler, and this switching is effected in relation to operation of the aforesaid tape loading mechanism.

REFERENCES:
patent: 2717282 (1955-09-01), Reed
patent: 3719364 (1973-03-01), Hessland et al.
patent: 3864744 (1975-02-01), Uemura
patent: 3925819 (1975-12-01), Bachmann
patent: 4481551 (1984-11-01), Maeda

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