ACTUATOR

WIPO Patent Application WO/2019/017387

A1

[Problem] To provide a low-profile actuator capable of rotating. [Solution] The present invention is provided with: a magnetic structure 20 which includes a first magnet 21 having an N-magnetic pole surface and a second magnet 22 having an S-magnetic pole surface; and a circuit board 100 including first and second wires 110 and 120. The magnetic structure 20 includes first and second regions 31 and 32, and is configured such that: when current is made to flow from one end 113 of the first wire 110 to the other end 114, the current at least partially circulates in one direction over the magnet 21 positioned in the first region 31, and at least partially circulates in the reverse direction over the magnet 22 positioned in the first region 31; and when current is made to flow from one end 123 of the second wire 120 to the other end 124, the current at least partially circulates in the reverse direction over the magnet 21 positioned in the second region 32, and at least partially circulates in the one direction over the magnet 22 positioned in the second region 32. Accordingly, rotation around the x-axis can be achieved.

SUZUKI KENICHI (JP)
SUZUKI AKIRA (JP)
ICHIHASHI SHUSUKE (JP)
SHINSHI TADAHIKO (JP)
AZUMA NORIEI (JP)

PCT/JP2018/026911

January 24, 2019

July 18, 2018

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TDK CORP (JP)
TOKYO INST TECH (JP)

H02K41/03; H01F7/122; H02K33/14

WO2008093597A1

2008-08-07

JP2006245484A	2006-09-14
JP2005268608A	2005-09-29
JP2017502646A	2017-01-19

WASHIZU Mitsuhiro et al. (JP)

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