Inductive angle sensor

An inductive angle sensor includes an exciter coil, an oscillator circuit, a plurality of receiver coils, an evaluation circuit evaluating a plurality of signals induced in the receiver coils, and a coupling element that is movable and influences a strength of an inductive coupling between the excit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Bartos, Axel, Pieper, Reinhold, Meisenberg, Armin
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	An inductive angle sensor includes an exciter coil, an oscillator circuit, a plurality of receiver coils, an evaluation circuit evaluating a plurality of signals induced in the receiver coils, and a coupling element that is movable and influences a strength of an inductive coupling between the exciter coil and the receiver coils. The coupling element has a first encoder element and a second encoder element. The coupling element has a third encoder element formed as a conducting extension with an asymmetric geometry. The asymmetric geometry influences the strength of the inductive coupling between the exciter coil and the receiver coils only in a part of a plurality of periodically repeating loop structures of the receiver coils.