High accuracy measuring apparatus

Details High accuracy measuring apparatus High accuracy measuring apparatus

1980-03-07

1982-03-30

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With pressure and/or temperature compensation

73726, 364558, 364571, G01L 1904

Patent

active

043218326

ABSTRACT:
A measuring system includes a plurality of resistors and circuitry connected thereto which generates first and second signals each containing different information about one or more of the resistors. Each information is possibly contaminated by error but only by substantially the same error contaminating the other information. Subtraction of two such informations thus gives error-free information because the like errors cancel.

REFERENCES:
patent: 3049685 (1962-08-01), Wright, Jr.
patent: 3456226 (1969-07-01), Vick
patent: 3641812 (1972-02-01), Vick
patent: 3916173 (1975-10-01), Williams et al.
patent: 4096575 (1978-06-01), Itoh
patent: 4253155 (1981-02-01), Freiday et al.

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