Method and a device for measuring a force and a position

Details Method and a device for measuring a force and a position Method and a device for measuring a force and a position

2006-08-25

2011-12-20

Wang, Quan-Zhen (Department: 2629)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified load or strain transmission device from specimen...

Reexamination Certificate

active

08079270

ABSTRACT:
A method and apparatus for measuring a force and a position at a linear actuating mechanism (20). In one illustrative embodiment, a change in an electrical characteristic of a first coil system (1, 3a, 6) for measuring a position of the linear actuating mechanism, wherein the change in the electrical characteristic is caused by moving of a first measurement member (6) in the first coil system (1, 3a, 6), and a change in an electrical characteristic of a second coil system (2, 3b, 5) for measuring a force acting at the linear actuating mechanism (20), wherein the change in the electrical characteristic is caused by moving of a second measurement member (5) in the second coil system (2, 3b, 5), are detected. The movement of the first measurement member (6) is generated by a positional change of a linear shaft member of the linear actuating mechanism (20), and the movement of the second measurement member (5) is generated by a force-displacement conversion via a deformation member.

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