Helical scan tape recorder without head-tape contact in stand-by

Details Helical scan tape recorder without head-tape contact in stand-by Helical scan tape recorder without head-tape contact in stand-by

1985-08-26

1987-10-20

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360 84, 360107, 360105, G11B 1561, G11B 554, G11B 552

Patent

active

047018216

ABSTRACT:
The support for a magnetic head rotating about an axis is relatively movable with respect to a circular cylindrical guide surface which guides the tape past the path of the rotating magnetic head. In the playing mode, the rotation axis is coaxial with the cylindrical guide surface axis. In a stand-by mode either the bearing support for the rotating head assembly, or the cylindrical guide surface, is moved radially a small distance away from the other such that the head remains in contact with the guide surface, but is clear of the path swept by the rotating magnetic head. When the two portions of the device are moved back into coaxial alignment for the playing mode, a position device locates them accurately so that the two axes coincide.

REFERENCES:
patent: 3076060 (1963-01-01), Horstkorta
patent: 4369473 (1983-01-01), Eibensteiner
patent: 4381530 (1983-04-01), Owada et al.
patent: 4459626 (1984-07-01), Branger
patent: 4511943 (1985-04-01), Fechner
patent: 4578725 (1986-03-01), Muller

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