Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 6, 2007
Patent Application Number
11271875
Date Filed
November 14, 2005
Patent Primary Examiner
Patent abstract
A drive control device for a brushless motor includes a full-wave rectifying-filtering circuit, a voltage regulating circuit, a drive control circuit and a protection circuit. A combination of the rectifying-filtering and voltage regulating circuit provides both the motor coil and the drive control circuit capable of operating at a normal working status to ensure the brushless motor with safe and reliable operation. Therefore, the brushless motor does not need a bulk and complex transformer for voltage drop, which may reduce the reliability of the operation.
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