Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate
2008-03-11
2008-03-11
Tzeng, Fred F. (Department: 2627)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
Reexamination Certificate
active
11586971
ABSTRACT:
A hard disk drive that includes a voice coil motor and a micro-actuator. The micro-actuator is controlled by a servo that utilizes a micro-actuator calibration parameter. To compensate for temperature changes within the disk drive the micro-actuator calibration parameter is periodically updated.
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Kim Young Hoon
Lee Dong-Jun
Lee Hyung J.
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