System and method for starting rotation of a disc in a disc stor

Details System and method for starting rotation of a disc in a disc stor System and method for starting rotation of a disc in a disc stor

1990-05-15

1992-05-26

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 75, 360 69, G11B 1518

Patent

active

051173158

ABSTRACT:
A disc storage unit includes a processor for checking whether or not rotation of a disc occurs, head actuator for slightly displacing the head by a predetermined minute amount. At first, the disc is started and then the processor detects presence or absence of rotation of the disc, and the head is displaced slightly in a state in which driving force is applied to the disc by the head actuator.

REFERENCES:
patent: 4542429 (1985-09-01), Nishida et al.
patent: 4833550 (1989-05-01), Takizawa et al.
patent: 4897743 (1990-01-01), Kohno
patent: 4969057 (1990-11-01), Inomato et al.

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