Temperature compensated measuring system

G - Physics – 01 – L

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354/28, 73/0.5

G01L 1/00 (2006.01) G01G 3/18 (2006.01) G01G 23/01 (2006.01) G01G 23/36 (2006.01) G01G 23/48 (2006.01) G01L 19/04 (2006.01)

Patent

CA 1171178

ABSTRACT OF THE DISCLOSURE This invention discloses a temperature-compensated measuring system which employs an internal signal-processor to provide high accuracy measurements, correct over a wide range of temperatures. In a calibration mode, the system employs the signal-processor to provide mathematical constants used to generate a temperature-compensation function. In a measurement mode, signals representing the uncompensated quantity and the system temperature are supplied to the signal-processor, which uses them to generate a temperature- compensation function from which it produces a high-accuracy temperature-corrected value of the measured quantity. In various forms, the invention can be used to measure tem- perature-compensated force, pressure or acceleration.

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