Title:
MAGNETIC ENCODER AND SENSOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/005175
Kind Code:
A1
Abstract:
Provided is an encoder by which it is possible to reduce angle error due to tilting of a sensor, even if the sensor is tilted. The magnetic encoder is provided with a first magnet (56) magnetized in the axial direction, a second magnet (57) set apart from the first magnet (56) in the axial direction and magnetized in the axial direction, a first yoke (54) magnetized by the first magnet (56) and having at least one first tooth (54b), and a second yoke (55) magnetized by the second magnet (57) and having at least one second tooth (55b) disposed alternatingly with the first tooth (54b) along the circumferential direction.
Inventors:
TANIGUCHI SHIGERU (JP)
IWAKI JUNICHIRO (JP)
SUZUKI HIROFUMI (JP)
IWAKI JUNICHIRO (JP)
SUZUKI HIROFUMI (JP)
Application Number:
PCT/JP2014/067495
Publication Date:
January 15, 2015
Filing Date:
July 01, 2014
Export Citation:
Assignee:
THK CO LTD (JP)
International Classes:
G01D5/245
Foreign References:
| JPH05340711A | 1993-12-21 | |||
| JPH0875500A | 1996-03-22 | |||
| JPH07244061A | 1995-09-19 | |||
| JPH09127142A | 1997-05-16 |
Attorney, Agent or Firm:
SHIOJIMA, Toshiyuki (JP)
Toshiyuki Shiojima (JP)
Toshiyuki Shiojima (JP)
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