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Title:
MAGNETOMETER FOR TORQUE SENSOR
Document Type and Number:
Japanese Patent JP2007052018
Kind Code:
A
Abstract:

To provide an improved-type magnetometer for a torque sensor.

This magnetometer comprises first and second coils for detecting separate magnetic fields along an axial portion of a torque transducer. The first and second coils are driven by independently adjustable circuits. Each of the circuits are independently adjustable to adjust the gain that is distributed to each of the first and second coils. This provides for an adjustment and precise alignment of a magnetic field generated by the first and second coils such that external magnetic fields can be canceled providing increased accuracy and reduced hysteresis effects.


Inventors:
CRIPE DAVID W
Application Number:
JP2006218108A
Publication Date:
March 01, 2007
Filing Date:
August 10, 2006
Export Citation:
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Assignee:
SIEMENS VDO AUTOMOTIVE CORP
International Classes:
G01L3/10
Attorney, Agent or Firm:
Koichiro Kato