Servowriter ramp detection
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United States of America Patent
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Jun 24, 2008
Grant Date -
Apr 5, 2007
app pub date -
Sep 29, 2006
filing date -
Sep 30, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A detect control device is provided that monitors a position error signal signature associated with a transducer while being operably supported by an actuator at a substantially constant fly height adjacent a storage medium to characterize the extent to which the actuator contacts an unload ramp. A method is provided for: supporting a transducer at an end of an actuator at a substantially constant fly height adjacent a storage medium; moving the actuator toward an unload ramp while maintaining the substantially constant fly height; and detecting a contacting engagement between the actuator and the unload ramp by monitoring a position error signal signature associated with the transducer.
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