Strain gauge and method of making and using the same

Details Strain gauge and method of making and using the same Strain gauge and method of making and using the same

1990-09-11

1992-01-07

Lateef, Marvin M.

Electrical resistors

Strain gauge type

338 5, 338 6, 338283, 7386265, 73775, G01L 122

Patent

active

050795350

ABSTRACT:
A strain gauge primarily designed for dynamic measurements and requiring very little force to produce a change in length. The strain gauge is alternately concave and convex in shape, such as a sinusoidal curve with nodes of low resistance on the convex portions and strain gauges of high resistance on the concave portions. The gauge is unbonded and can be stretched with very little force. The strain gauge is utilized in an instrument to monitor infant respiration and detect episodes of apnea.

REFERENCES:
patent: 4038867 (1977-08-01), Andrews et al.
patent: 4646563 (1987-03-01), Jones
patent: 4658233 (1987-04-01), Uchida et al.

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