Spindle servo circuit for driving a data storage disk having CLV

Details Spindle servo circuit for driving a data storage disk having CLV Spindle servo circuit for driving a data storage disk having CLV

1990-10-23

1992-12-08

Envall, Jr., Roy N.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 54, 369 59, 360 7301, G11B 700, G11B 1518

Patent

active

051703866

ABSTRACT:
A spindle servo circuit for controlling the speed of rotating a disk. The loop gain of the servo loop is changed in response to the change in the linear velocity when the linear velocity is changed by changing the frequency of a master clock. With this feature, stability of the servo characteristic is always assured so that the speed of data recording is increased by the increase in the linear velocity.

REFERENCES:
patent: 4603412 (1986-07-01), Tamayaki
patent: 4623939 (1986-11-01), Machida et al.
patent: 4908810 (1990-03-01), Oie
patent: 5040076 (1991-08-01), Tenma
patent: 5065385 (1991-11-01), Konno
patent: 5086421 (1992-02-01), Tateishi

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