Title:
SHAFT PENETRATION NONCONTACT MULTIPLE ROTATION ABSOLUTE POSITION MAGNETIC SENSOR
Document Type and Number:
Japanese Patent JP2015038514
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an absolute position magnetic sensor which measures an angular position in θ trajectory of a shaft to be penetrated, and in which at least two systems to detect the shaft position are included.SOLUTION: At least one of detection systems generates a signal in accordance with a "periodic" function of n which provides a periodic angular position of θ/shaft. At least one of the detection systems generates an absolute signal in θ trajectory of the shaft. A relationship of θ and n is represented as θ/n=360 (n>1).
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Inventors:
YANNICK RONNAT
GERALD MASSON
GERALD MASSON
Application Number:
JP2014238646A
Publication Date:
February 26, 2015
Filing Date:
November 26, 2014
Export Citation:
Assignee:
MOVING MAGNET TECH
International Classes:
G01B7/30; G01D5/14; G01L3/10
Domestic Patent References:
| JP2006234723A | 2006-09-07 | |||
| JP2005140557A | 2005-06-02 | |||
| JP2007132685A | 2007-05-31 | |||
| JP2002116057A | 2002-04-19 | |||
| JP2006105827A | 2006-04-20 | |||
| JP2005069995A | 2005-03-17 | |||
| JPH04132507U | 1992-12-08 | |||
| JPH0537505U | 1993-05-21 | |||
| JP2007051953A | 2007-03-01 |
Foreign References:
| WO2007057563A1 | 2007-05-24 | |||
| WO2003036237A1 | 2003-05-01 |
Attorney, Agent or Firm:
Jun Honda