Dual spindle motors and dual spindle motor control for data storage

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United States of America Patent

PATENT NO 11823710
APP PUB NO 20230267960A1
SERIAL NO

17679219

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Various illustrative aspects are directed to a data storage device comprising a first spindle motor configured to rotate one or more disks in a first stack of disks, a second spindle motor configured to rotate one or more disks in a second stack of disks, and one or more processing devices configured to detect back electromotive force (BEMF) voltages generated by the first spindle motor and the second spindle motor. In other aspects the one or more processing devices can control speeds of the first spindle motor and the second spindle motor based on the detected BEMF voltages.

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Patent Owner(s)

  • WESTERN DIGITAL TECHNOLOGIES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Byoun, Jaesoo Irvine, US 31 59
Ikedo, Gaku Fujisawa, JP 26 90
Ito, Hideaki Fujisawa, JP 124 1004
Johnson, Brian Laguna Hills, US 283 5157
Kagami, Naoyuki Fujisawa, JP 49 420

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