Resistive strain gauge control circuit

Details Resistive strain gauge control circuit Resistive strain gauge control circuit

1998-01-02

2000-04-04

Hoff, Marc S.

Data processing: measuring, calibrating, or testing

Calibration or correction system

Sensor or transducer

702101, 702102, 177 2514, 177210R, 177210C, G01G 1900, G01C 2500

Patent

active

060472456

ABSTRACT:
A resistive strain gauge bridge circuit, including a pulse code modulation counter operative under an algorithm designed for calibration with a voltage signal for effectively canceling out voltage and voltage fluctuation influences to maintain centering of the operating point of the strain gauges without the excessive costs attributable to devices such as electronic potentiometers which notably have been utilized to generally achieve satisfactory performance of strain gauges included in mobile personal computer systems.

REFERENCES:
patent: 3916173 (1975-10-01), Williams, Jr. et al.
patent: 4080657 (1978-03-01), Caldicott et al.
patent: 4760539 (1988-07-01), Amacher et al.
patent: 4917199 (1990-04-01), Loshbough
patent: 5308931 (1994-05-01), Griffen
patent: 5633811 (1997-05-01), Canada et al.
patent: 5832417 (1998-11-01), Petrucelli et al.
patent: 5886302 (1999-03-01), Germanton et al.

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