OSCILLATING ACTUATOR

WIPO Patent Application WO/2012/002329

A1

Disclosed is an oscillating actuator provided with: a movable element which comprises a shaft that is arranged along the oscillation axis of a housing and has both ends fixed to end walls provided at both ends in the direction of the oscillation axis of the housing, a magnet that has the shaft passing therethrough and can move in the extension direction of the shaft, and a weight part that is arranged inside of the housing and adjacent to the magnet in the extension direction of the shaft, has the shaft passing therethrough, and can move in unison with the magnet; and an elastic member which is arranged between the movable element and an end wall and urges the movable element in the direction of the oscillation axis. A coil comprises a first coil and a second coil which are provided side by side in the direction of the oscillation axis and are wound in circular shapes with the oscillation axis at the center thereof. The direction of the current flowing in the first coil and the direction of the current flowing in the second coil are different.

JP2013188122	CYLINDER TYPE LINEAR DRIVING DEVICE
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ENDO MASAYA (JP)
ODAJIMA SHIN (JP)
TONOGAI YOSHIHIDE (JP)

PCT/JP2011/064697

January 05, 2012

June 27, 2011

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NIDEC COPAL CORP (JP)
ENDO MASAYA (JP)
ODAJIMA SHIN (JP)
TONOGAI YOSHIHIDE (JP)

H02K33/00; B06B1/04; H02K33/12

JP2004073983A	2004-03-11
JPH11341778A	1999-12-10
JP2003117489A	2003-04-22
JP2004343931A	2004-12-02
JP2006296161A	2006-10-26

HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)

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