Title:
MAGNETIC SENSOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/240005
Kind Code:
A1
Abstract:
A magnetic sensor device 1 has: a first magnetic sensor 3 having a first magnetosensitive part 30 which has a ring shape and in which a magnetic resistance value changes due to interaction with a radial magnetic field 91 formed by a magnet 9; and a second magnetic sensor 4 and a third magnetic sensor 5 that are disposed on the basis of an ideal trajectory of the magnet 9, which passes through the center of the first magnetic sensor 3, and that have a ring-shaped second magnetosensitive part 40 and third magnetosensitive part 50, the second magnetic sensor 4 and the third magnetic sensor 5 being disposed so as to face each other without overlapping inside the first magnetic sensor 3.
Inventors:
SHIBATA TADASHI (JP)
Application Number:
PCT/JP2019/022511
Publication Date:
December 19, 2019
Filing Date:
June 06, 2019
Export Citation:
Assignee:
TOKAI RIKA CO LTD (JP)
International Classes:
H03K17/97; G01R33/038; G01R33/09; H01H36/00
Domestic Patent References:
| WO2017209169A1 | 2017-12-07 |
Foreign References:
| JP2012233905A | 2012-11-29 | |||
| JPH11274598A | 1999-10-08 | |||
| JPH0843102A | 1996-02-16 | |||
| JP2015524919A | 2015-08-27 |
Attorney, Agent or Firm:
HIRATA & PARTNERS (JP)
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