Importance

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Abstract

There is provided a measuring head comprising a support frame, an arm extending along a trajectory at least between a first end and a second end and including at least one probe arranged at said first end and suitable for contacting an external body, constraint means configured to loosely bind said frame and said arm in such a manner that said arm is rotatable with respect to said frame about a rotation axis, transversal to said trajectory proportional to displacements defined by the interaction of said probe with said body, and a differential capacitive sensor comprising an emitter integral with said frame and disposed in proximity of said second end, a receiver integral with said second end and a computer operatively connected to the receiver and configured to determine position parameters of the receiver with respect to the emitter from a predetermined reference position value so as to determine the displacements of the probe.

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First Claim