Magnetic disc memory device

Details Magnetic disc memory device Magnetic disc memory device

1982-01-21

1989-03-21

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555, G11B 2108

Patent

active

048149160

ABSTRACT:
A magnetic disc memory device comprises a magnetic head support member pivotably mounted on a shaft, gimbals fixedly supported by one end of the magnetic head support member, a magnetic head core secured to the gimbals, and a magnetic disc for recording and reproducing informations through an action of the magnetic head core. A cam is arranged to be engaged by an end of a cancelling member which is effective to reduce the off-track to zero. The cancelling member is fixedly supported by the other end of the magnetic head support member in a manner to extend in a direction opposite to the gimbals, and is formed of a material having a thermal expansion coefficient equivalent to that of the material forming the gimbals.

REFERENCES:
patent: 4423446 (1983-12-01), Takahashi et al.
Shiraishi et al, "8 Inch Fixed Magnetic Disk Unit", Hitachi Review, vol. 30, No. 2, 1981, pp. 65-69.

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