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Title:
DISPLACEMENT SENSOR, MOTOR, AND ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2021/024390
Kind Code:
A1
Abstract:
A displacement sensor (1) is provided with: a movable body (10); and a sensor unit (20) that is fixed at a position opposing the movable body (10) and that is obtained by integration between a magnet (21) and a hole sensor (22). The movable body (10) has a displacement unit (12) that is formed from a magnetic body (11) and that has a shape in which a distance to the sensor unit (20) is changed in proportion to a movement distance of the movable body (10).

More Like This:
JPS59120804AUTOMATIC MEASURING APPARATUS
Inventors:
IKITAKE YOSHITAKA (JP)
OGAWA TORU (JP)
MORI TAKESHI (JP)
Application Number:
PCT/JP2019/030961
Publication Date:
February 11, 2021
Filing Date:
August 06, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01B7/00; G01B7/30
Foreign References:
JPH04194602A1992-07-14
JPH09145305A1997-06-06
JPS5760212A1982-04-12
JPH0835854A1996-02-06
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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