Measuring and testing – Fluid pressure gauge – With pressure and/or temperature compensation
Patent
1979-02-12
1980-04-22
Woodiel, Donald O.
Measuring and testing
Fluid pressure gauge
With pressure and/or temperature compensation
73727, 73766, G01L 1904
Patent
active
041988680
ABSTRACT:
Strain gauge characteristic stabilization apparatus comprises a parallel connected combination of strain sensitive resistance (i.e., R.sub.eq), temperature conditioning means proximate R.sub.eq, and circuit means between R.sub.eq and the temperature conditioning means. The circuit means senses deviations in R.sub.eq from a predetermined value and causes the temperature conditioning means to control the temperature of R.sub.eq so as to reduce the deviations substantially to zero.
REFERENCES:
patent: 3460378 (1969-08-01), Cepollina
patent: 3470738 (1969-10-01), Laimins
patent: 3498118 (1970-03-01), Ruge
patent: 3841150 (1974-10-01), Pearson
Bachand Richard A.
Blackwood Terry M.
Hamann H. Fredrick
Rockwell International Corporation
Woodiel Donald O.
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