Adjustment-circuit embedded semiconductor sensor and torsion...

Details Adjustment-circuit embedded semiconductor sensor and torsion... Adjustment-circuit embedded semiconductor sensor and torsion...

2005-01-25

2005-01-25

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

C073S862338, C073S001220

Reexamination Certificate

active

06847902

ABSTRACT:
A torsion bar type torque sensor system is provided with the following: an elastic member that receives a torque and converts the torque to a torsion displacement; a multipolar ring magnet in which N poles and S poles are circumferentially and alternately magnetized; a pair of magnetic yoke halves disposed coaxially with the ring magnet; and a magnetometric sensor that detects magnetic flux generated between the pair of the magnetic yoke halves. The magnetometric sensor is made of a semiconductor that integrates a semiconductor magnetometric sensor, a non-volatile memory, a computation circuit, and an output circuit. This structure provides a torque sensor system that has an excellent maintainability.

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patent: A-H6-281513 (1994-10-01), None
patent: WO 02071019 (2002-09-01), None

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