STRAIN SENSOR

A strain sensor is based on a self-biasing reference circuit that reaches an operating state that, at least at first order, is at least supply-voltage independent. The strain sensor provides an output signal that is defined by the operating state of the self-biasing reference circuit. At least one c...

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Bibliographische Detailangaben
Hauptverfasser:	FLANDRE, Denis, ROISIN, Nicolas, THIBAULT, Delhaye, ANDRE, Nicolas
Format:	Patent
Sprache:	eng
Schlagworte:	INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A strain sensor is based on a self-biasing reference circuit that reaches an operating state that, at least at first order, is at least supply-voltage independent. The strain sensor provides an output signal that is defined by the operating state of the self-biasing reference circuit. At least one component in the self-biasing reference circuit has an electrical characteristic that depends on a strain to which the at least one component is subjected. This makes that the operating state of the self-biasing reference circuit depends on the strain. As a result, the output signal of the strain sensor varies as a function of the strain to which the at least one component is subjected.