Linearized bridge circuitry

Details Linearized bridge circuitry Linearized bridge circuitry

1976-07-16

1977-11-29

Wise, Edward J.

Boots, shoes, and leggings

73362AR, 364863, G01K 724, G06G 716

Patent

active

040607151

ABSTRACT:
Where the unknown leg of a bridge is a sensor which presents a resistance that relates to a parameter by a second order polynomial, a negative feedback circuit from the conventional null measurement terminals to a voltage divided point in the balance leg thereof is included to provide a substantially linear relationship between the parameter of the sensor and a ratio including two voltage levels from the feedback circuit. A circuit means for continuously monitoring this ratio of voltages with a counter in recurring cycles for digital display is incorporated with the linearized bridge circuit of this invention in a particular embodiment thereof.

REFERENCES:
patent: 3379973 (1968-04-01), Walton
patent: 3613454 (1971-10-01), McFadin
patent: 3624378 (1971-11-01), Brunkhorst
patent: 3688581 (1972-09-01), Quernec
patent: 3754442 (1973-08-01), Arnett
patent: 3861214 (1975-01-01), Siyahi
patent: 3880006 (1975-04-01), Poduje
patent: 3906391 (1975-09-01), Murdock
patent: 3924470 (1975-12-01), Sander
patent: 3939459 (1976-02-01), Hoopes
patent: 4000454 (1976-12-01), Braki

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