Capacitive bend sensor

Details Capacitive bend sensor Capacitive bend sensor

1995-06-28

1997-03-11

Wieder, Kenneth A.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324686, 324 711, 33 1N, 361278, 361292, 361296, G01B 730, H01G 514, G01R 2726

Patent

active

056105282

ABSTRACT:
A capacitive bend sensor includes a first element having a comb-patterned portion of conducting material, and a second element having a comb-patterned portion of conducting material. A dielectric material is disposed between the comb-patterned portion of the first element and the comb-patterned portion of the second element. The first element is bonded to the second element such that the comb-patterned portion of the first element slides relative to the comb-patterned portion of the second element when the first and second elements are bent. Bend angle is measured according to the alignment of the comb-patterned portion of the first element and the comb-patterned portion of the second element. The sensor may be coupled to a human finger to measure bend angle of the finger, or may be coupled to a joint of a human body to measure bend angle of the joint.

REFERENCES:
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patent: 4743902 (1988-05-01), Andermo
patent: 4810951 (1989-03-01), Meyer
patent: 4940063 (1990-07-01), Challis
patent: 4941363 (1990-07-01), Doemens et al.
patent: 4977811 (1990-12-01), Suzuki et al.
patent: 5023559 (1991-06-01), Andermo
patent: 5055838 (1991-10-01), Wise et al.
patent: 5237284 (1993-08-01), VanDerValk
patent: 5304937 (1994-04-01), Meyer
patent: 5313840 (1994-05-01), Chen et al.

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