Method for adaptively driving a tracking element with...

Details Method for adaptively driving a tracking element with... Method for adaptively driving a tracking element with...

2006-07-28

2011-11-01

Huber, Paul (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044350, C369S053280

Reexamination Certificate

active

08050153

ABSTRACT:
The present invention provides a method for adaptively driving a tracking element with mechanical deviation and a driving device using the same. The method comprises the following steps: recording standard moving time and a standard motor current value, supplying driving voltage to a motor for driving a tracking element, detecting a current value of the motor and detecting moving time of the tracking element, and adjusting a driving gain of the motor based on the relation between the current value of the motor and the standard motor current value, and based on the relation between the moving time of the tracking element and the standard moving time of the standard one.

REFERENCES:
patent: 5859742 (1999-01-01), Takaishi
patent: 6226242 (2001-05-01), Ogata

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