Strain-sensing goniometers, systems and recognition algorithms
First Claim
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1. A goniometer capable of following an angle of bending to at least about 115 degrees, said goniometer comprising:
- an inert thin electrically non-conductive flexible support backing,first and second variable resistance strain sensing elements affixed on opposite sides of said backing; and
means for electrically connecting each of said elements.
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Abstract
Goniometers are provided having internal compensation employing two opposing variable resistance strain sensing elements separated by a flexible film. The goniometers may be used in sets for detecting complex hinge or joint movements, where patterns of hinge or joint positions may be used to define symbols. Algorithms are provided for parsing values from a system of goniometers in motion having information content.
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Citations
15 Claims
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1. A goniometer capable of following an angle of bending to at least about 115 degrees, said goniometer comprising:
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an inert thin electrically non-conductive flexible support backing, first and second variable resistance strain sensing elements affixed on opposite sides of said backing; and means for electrically connecting each of said elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A goniometer capable of following an angle of bending to at least about 115 degrees, said goniometer comprising:
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an inert thin electrically non-conductive flexible support backing of from 0.2 to 10 mils in thickness; and first and second variable resistance strain sensing elements affixed on opposite sides of said backing; and means for electrically connecting each of said elements. - View Dependent Claims (14, 15)
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Specification