Device and method for automatically controlling a servo loop gai

Details Device and method for automatically controlling a servo loop gai Device and method for automatically controlling a servo loop gai

1994-11-02

1997-02-04

Tran, Thang V.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4436, G11B 7095

Patent

active

056006152

ABSTRACT:
An automatic gain control device includes: servo loop for performing servo control based on an error signal; gain control unit for controlling gain of the servo loop in accordance with gain control value; and storage unit for storing gain control values. The gain control unit starts gain control using the gain control value stored in the storage unit as default value with which the gain control is started, and stores the gain control value newly obtained by the gain control to the storage unit after the gain control is completed.

REFERENCES:
patent: 4942564 (1990-07-01), Hofer et al.
patent: 5014256 (1991-05-01), Horie et al.
patent: 5048002 (1991-09-01), Horie et al.
patent: 5084849 (1992-01-01), Ishii et al.
patent: 5097458 (1992-03-01), Suzuki

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