Vibration wave actuator

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United States of America Patent

PATENT NO 9564837
APP PUB NO 20140125200A1
SERIAL NO

14151012

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Abstract

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A vibration wave actuator includes a vibrator, a driven element, and a magnet. The vibrator has at least an electro-mechanical energy conversion element and an elastic body to which the electro-mechanical energy conversion element is joined, the elastic body including a contact portion. The driven element is in pressure contact with the contact portion of the vibrator, and includes a magnetic substance. The magnet is arranged such that the vibrator is placed between the driven element and the magnet.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kojima, Nobuyuki Machida, JP 84 839
Oda, Yuki Yokohama, JP 22 45

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