Transducer bridge circuit arrangement

Details Transducer bridge circuit arrangement Transducer bridge circuit arrangement

1978-04-06

1979-02-13

Ciarlante, Anthony V.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

73769, G01B 716

Patent

active

041388828

ABSTRACT:
A transducer bridge circuit arrangement includes at least two bridge circuits connected in parallel to each other. Any interaction affecting the sensitivity of the bridge circuits relative to each other is eliminated. For this purpose the circuit arrangement includes two power input terminals and two measured signal output terminals. In order to avoid a signal component, which represents force couple related load components between the two measured signal output terminals, these terminals are arranged on the one hand between the two strain gauges which measure tension or compression only and, on the other hand, between the two strain gauges which measure tension as well as compression. In such an arrangement the power input terminals and the measured signal output terminals are effectively rotated by 90.degree. relative to prior art transducer circuit arrangements, whereby interaction between the individual bridge circuits in a multiple transducer system is eliminated.

REFERENCES:
patent: 2478720 (1949-08-01), Sourwine et al.
patent: 2815480 (1957-12-01), Ruge
patent: 3166135 (1965-01-01), Clamp
patent: 3290928 (1966-12-01), Curry

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