Temperature compensating circuit

Details Temperature compensating circuit Temperature compensating circuit

1990-02-12

1991-12-17

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

7320426, G01F 168

Patent

active

050726145

ABSTRACT:
A temperature compensating circuit having a third temperature sensor element for detecting an ambient temperature disposed on the same substrate on which first and second temperature sensor elements are located, and a voltage across the third sensor element, generated by supplying a current thereto, is applied to the first and second sensor elements. Therefore, a voltage applied to first and second sensor elements is automatically changed corresponding to change in ambient temperature, and accordingly a difference in temperature between first and second sensor elements can be precisely detected in a form of voltage signal.

REFERENCES:
patent: 3085431 (1963-04-01), Yerman et al.
patent: 3891391 (1975-06-01), Boone
patent: 4206638 (1980-06-01), Djorup
patent: 4343183 (1982-08-01), Plapp
patent: 4566320 (1986-01-01), Bohrer

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