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Fan motor control method and device thereof

  • US 20070274694A1
  • Filed: 02/26/2007
  • Published: 11/29/2007
  • Est. Priority Date: 03/31/2006
  • Status: Active Grant
First Claim
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1. A fan motor control method comprising steps of:

  • generating a low-frequency clock signal with a frequency of less than 23 KHz;

    converting the low-frequency clock signal to a high-frequency drive signal, wherein the high-frequency drive signal has a frequency of higher than 23 KHz; and

    inputting the high-frequency drive signal to a fan motor to drive the fan motor.

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