Generating a coil switching signal for a brushless DC motor

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United States of America Patent

PATENT NO 8810174
APP PUB NO 20120169261A1
SERIAL NO

13341192

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Abstract

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Some embodiments provide a system that generates a coil switching signal for a brushless DC motor. During operation, the system determines a magnetic field of the brushless DC motor at a first time and a magnetic field of the brushless DC motor at a second time. Then, the coil switching signal is generated based on a relationship between the magnetic field determined at the first time and a first predetermined threshold, and the magnetic field determined at the second time and a second predetermined threshold.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chi, Chuan Hung Daijia Township, TW 2 0
Tsay, Ching-Yuh Plano, US 30 436

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