Magnetic head driving apparatus having a magnetic head which is

Details Magnetic head driving apparatus having a magnetic head which is Magnetic head driving apparatus having a magnetic head which is

1995-01-18

1996-12-31

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, G11B 5588

Patent

active

055900070

ABSTRACT:
A magnetic head driving apparatus makes it possible to effect a correct positioning operation at the assembly of the magnetic head, and also, to effect the correct measurement of the gap positions of the magnetic head. Also, the magnetic head is immune to the influence of the leakage flux of the magnetic circuit. Coil bobbins are mounted in a first gimbal spring and a second gimbal spring and the head has a projection in its lower end portion. The projection portion is extended through the hole of the first yoke. The head base is secured with a fixing member in the projection portion. A head base extending portion extending in a radial direction is formed in one portion of the external periphery of the head base with a magnetic head being mounted on its tip end. A sensor object showing the gap position of the magnetic head is formed in one portion of the head base extending portion.

REFERENCES:
patent: 4641214 (1987-02-01), Imanishi et al.
patent: 4695907 (1987-09-01), Inaji et al.
patent: 4882635 (1989-11-01), Sanai
patent: 4987505 (1991-01-01), Iwabuchi et al.
patent: 5223992 (1993-06-01), Mitsuhashi
patent: 5341256 (1994-08-01), Murata et al.

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