Boots – shoes – and leggings
Patent
1986-05-27
1991-11-12
Chin, Gary
Boots, shoes, and leggings
356 355, 356360, 73800, G01B 1116
Patent
active
050653318
ABSTRACT:
An apparatus and method of measuring and analyzing the deformation of deformable bodies which includes a source of an electromagnetic or accoustical signal emitted from a deformable body which can be received and analyzed so that the signal can be analyzed when the body is in a reference state with the signal being subsequently analyzed when the body is undergoing or has undergone deformation with the reference state signal and deformation state signal being compared and analyzed to provide significant information with respect to various characteristics of the body.
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"Noncontact Method of In-Plane Strain Measurement on Rotating Structures", by Preater; SPIE vol. 236, 1980 European Conference on Optical Sys. and Applications; pp. 58-62.
"Stress Analysis of In-plane Vibration of 2-D Structure by a Laser Speckle Method", by Chiang et al., Applied Optics, vol. 19, No. 16, Aug. 15, 1980; pp. 2705-2708.
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"Laser Speckle Photography and the Submicron Measurement of Surface Deformations on Engineering Structures", by Gregory; NDT International, vol. 12, No. 2, Apr. 1979, pp. 61-70.
Ranson William F.
Vachon Reginald I.
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