Deformation detection sensor with temperature correction

Details Deformation detection sensor with temperature correction Deformation detection sensor with temperature correction

2007-10-05

2009-06-09

Noori, Max (Department: 2855)

Measuring and testing

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

Specified electrical sensor or system

Reexamination Certificate

active

07543503

ABSTRACT:
A deformation detection sensor including: a piezoelectric element which generates an output signal due to a deformation; a reference signal input device which inputs a reference signal of a predetermined cycle to the piezoelectric element; a first signal extraction device which extracts a first output signal due to the deformation of the piezoelectric element out of an output signal from the piezoelectric element; a second signal extraction device which extracts a second output signal due to the reference signal out of the output signal from the piezoelectric element; a first evaluation device which evaluates the first output signal extracted by the first signal extraction device; and a second evaluation device which evaluates the second output signal extracted by the second signal extraction device.

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patent: 2007/0176615 (2007-08-01), Sinsheimer
patent: 2006-112858 (2006-04-01), None

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