Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Stress or strain history of a specimen without application...
Patent
1978-04-26
1979-11-27
Gorenstein, Charles
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Stress or strain history of a specimen without application...
73172, 73379, 235 92K, 235 99R, 235105, G01C 2200
Patent
active
041754468
ABSTRACT:
The number of steps taken while walking are counted by straining a fatigue life gauge to change its electrical resistance each time the device is stepped on by a subject. The change in resistance of the fatigue life gauge is measured to ascertain the approximate number of steps taken.
REFERENCES:
patent: 3272003 (1966-09-01), Harting
patent: 3305036 (1967-02-01), Walters
patent: 3974491 (1976-08-01), Sipe
patent: 4019030 (1977-04-01), Tanitz
patent: 4056265 (1977-11-01), Ide
Branch Andrew J.
Crowninshield Roy D.
Gorenstein Charles
The University of Iowa Research Foundation
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