Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specified electrical sensor or system
Patent
1977-10-25
1979-03-06
Ciarlante, Anthony V.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specified electrical sensor or system
G01B 716
Patent
active
041424050
ABSTRACT:
An electronic d.c. amplifier arrangement for use with a bridge network incorporating at least one sensing element, the supply to said bridge being effected via respective differential amplifiers, one of which is connected to compensate for the length of line between the arrangement and the bridge network, and the other effects automatic zero-compensation, while a further differential amplifier of adjustable gain provides an amplified output from said bridge network.
REFERENCES:
patent: 3841150 (1974-10-01), Pearson
patent: 3847017 (1974-11-01), Watts
patent: 3859594 (1975-01-01), Grindheim
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