Inventor
CHLOUPEK JAMES E
US10 patents
Patents
10 patentsUS5376833ADec 27, 1994
Current driver circuit
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US5821717AOct 13, 1998
Method and circuit for driving a hard disk drive spindle motor
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US5633569AMay 27, 1997
Start-up commutation method for a rotating magnetic storage device without back rotation
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US7154725B2Dec 26, 2006
Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods
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US7106567B2Sep 12, 2006
Hard disk drive (HDD) electrical over voltage stress (EOS) systems and methods
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US6548973B1Apr 15, 2003
Method and apparatus for braking a polyphase DC motor
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US5479091ADec 26, 1995
Output current reference circuit and method
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US4804928AFeb 14, 1989
Phase-frequency compare circuit for phase lock loop
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US6617758B2Sep 9, 2003
Integrated charge and voltage mode drive circuit for piezo actuators used in mass data storage devices, or the like
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US6707282B2Mar 16, 2004
Switched control of inductor ringing for a boost switched power supply
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