DATA STORAGE DEVICE CONCURRENTLY CONTROLLING AND SENSING A SECONDARY ACTUATOR FOR ACTUATING A HEAD OVER A DISK

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United States of America Patent

SERIAL NO

15246332

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Abstract

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A data storage device is disclosed comprising a voice coil motor (VCM) and a secondary actuator configured to actuate a head over a disk. A control signal is applied to the secondary actuator while processing a sensor signal generated by the secondary actuator. A vibration signal is generated based on the sensor signal, wherein the vibration signal has a cut-off frequency between ten percent and ninety percent of a bandwidth of a control loop for controlling the secondary actuator.

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Patent Owner(s)

Patent OwnerAddress
WESTERN DIGITAL TECHNOLOGIES INC5601 GREAT OAKS PARKWAY SAN JOSE CA 95119

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
BYOUN, JAESOO IRVINE, US 34 76
FERRIS, TIMOTHY A MISSION VIEJO, US 41 1902

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  • 1 Citation Count
  • G11B Class
  • 20.67 % this patent is cited more than
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges919297439410127961141101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90100 +0200400600800100012001400160018002000220024002600280030003200

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