Vibration motor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10399122
APP PUB NO 20180056329A1
SERIAL NO

15662321

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A vibration motor includes a shaft, a stationary portion, a vibrating body, and an elastic member. The vibrating body includes a weight, first magnets, magnetic bodies, and one or more second magnets. Each first magnet has a ring shape and is magnetized in an inner or outer circumferential direction. Each magnetic body has a ring shape and is disposed between the shaft and a corresponding one of the first magnets. The one or more second magnets are magnetized in one direction, have a ring shape, and are interposed between the magnetic bodies corresponding thereto that are adjacent to each other in the one direction. The adjacent first magnets in the one direction are such that magnetic polarities of one of the first magnets at inner and outer circumferences thereof are opposite to magnetic polarities of another of the first magnets adjacent thereto at inner and outer circumferences thereof.

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First Claim

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Patent Owner(s)

  • NIDEC SEIMITSU CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akanuma, Tomohiro Ueda, JP 15 230
Nakazawa, Satoshi Ueda, JP 94 539
Ol, Mitsuru Ueda, JP 1 24

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