Device for modifying or controlling the shape of an electrical o

Details Device for modifying or controlling the shape of an electrical o Device for modifying or controlling the shape of an electrical o

1980-03-24

1982-09-14

Krass, Errol A.

Boots, shoes, and leggings

364571, 324132, G01R 1510, G01K 714

Patent

active

043498868

ABSTRACT:
The invention relates to a device for modifying and controlling the shape of an output signal. It depends on the development of a parameter (temperature, pressure, stress . . . etc.) supplied by a transducer, and comprises an electrical circuit with two branches each receiving the input signal (V.sub.1) to be transformed, one of the branches including a linear circuit effecting a linear transformation (A.sub.0 +A.sub.1 V.sub.1) of the input signal (V.sub.1) and the other branch including on the one hand a multiple linear circuit to effect a multiple linear transformation (A.sub.2 +V.sub.1), (A.sub.3 +V.sub.1), (A.sub.4 +V.sub.1 . . . etc.) giving the intermediate signals (X=A.sub.2 +V.sub.1) and (Z=A.sub.4 +V.sub.1 . . . etc.), and on the other hand a combining circuit receiving the intermediate signals (X, Y, Z) to combine them by multiplication (X.sup..alpha., Y.sup..beta., Z.sup..gamma. . . . etc.) the designations, .alpha., .beta., and .gamma. are integers which can assume the values 0, + 1, or -1. At least one of these numbers (.alpha.,.beta.,.gamma. . . . etc.) is negative and an adder circuit receives the linear signal (A.sub.0 +A.sub.2 V.sub.1) from the first branch and the combination signal (X, Y, Z) from the second branch adds and provides the transformed signal (V.sub.3). The device is useful for linearizing output signals of resistance thermometers, pressure gauge etc.

REFERENCES:
patent: 3700865 (1972-10-01), Ley
patent: 3939459 (1976-02-01), Hoopes
patent: 3953718 (1976-04-01), Cooke
patent: 4102199 (1978-07-01), Tsipouras
patent: 4132116 (1979-01-01), Zeeb
patent: 4149120 (1979-04-01), Richter
patent: 4161880 (1979-07-01), Prosky
patent: 4179745 (1979-12-01), Wuertele
patent: 4193300 (1980-03-01), Peter
patent: 4241303 (1980-12-01), Thompson

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