Motor control apparatus
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United States of America Patent
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Nov 10, 2009
Grant Date -
Jul 2, 2009
app pub date -
Dec 28, 2007
filing date -
Dec 28, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A motor control apparatus includes a fan motor, a hall IC, a first power generator, and a second power generator. The hall IC is coupled with the fan motor for detecting the status of the fan motor, such as rotating or stationary. The first power generator is connected with the hall IC for outputting a first voltage to the hall IC to supply the required power for the hall IC. The second power generator is connected with the fan motor for outputting a second voltage to the fan motor to control the rotation speed of the fan motor.
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