G - Physics
01
B
324/69
G01B 7/16 (2006.01) G01L 1/22 (2006.01) G01R 17/10 (2006.01)
Patent
CA 1117598
5695-413 E. Romo 2 BRIDGE CIRCUIT ABSTRACT OF THE DISCLOSURE A circuit including a strain gage bridge to produce an electrical signal from a mechanical deflection. The circuit has a differential amplifier to supply a constant current to the bridge. Linearization and accuracy are obtained through a feedback connection to the differential amplifier. The constant current feature, a temperature compensation feature and a common mode rejection feature are employed to improve accuracy. A constant current source for a bridge is new in the art.
312167
Itt Industries Inc.
Smart & Biggar
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