Motor driving apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9553535
APP PUB NO 20150326157A1
SERIAL NO

14652429

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A motor driving apparatus includes a rotor, a first yoke including a first magnetic portion, a first coil configured to, if energized, excite the first magnetic portion, a second yoke including a second magnetic portion, a second coil configured to, if energized, excite the second magnetic portion, a detecting portion including a first detection element, a second detection element, a third detection element, and a fourth detection element, each detection element being configured to detect a rotation position of the rotor, and a controller configured to switch a pole excited by the first magnetic portion and the second magnetic portion by switching an energization direction of the first coil and the second coil based on an output of the detecting portion.

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First Claim

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Family

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoshima, Chikara Kawasaki, JP 77 896

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