MAGNETIC DISK APPARATUS AND CONTROL METHOD
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United States of America
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Issued Date -
Sep 14, 2017
app pub date -
Sep 6, 2016
filing date -
Sep 6, 2016
priority date (Note) -
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Abstract
According to one embodiment, there is provided a magnetic disk apparatus including an actuator, a shock detection circuit, a temperature measurement circuit, and a controller circuit. The actuator holds a magnetic head that accesses a magnetic disk. The shock detection circuit includes an acceleration sensor that detects acceleration during driving of the actuator. The temperature measurement circuit measures a temperature during driving of the actuator. The controller circuit changes sensitivity of the shock detection circuit according to a temperature change rate obtained from the measured temperature.
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