Angle measuring device
First Claim
1. A measuring device provided in a shaft arrangement including a shaft means, such as a steering column, for the non-contact detection of the absolute angle of rotation of said shaft means at multiple revolutions, which measuring device comprises a plurality of magnetic, optical or magneto-optical structural means arranged on said shaft means, a rider or index finger capable of being displaced in the axial direction of said shaft means into a displaced position, a shaft means thread provided on said shaft means for engagement with said rider or index finger, and at least one sensor means arranged to detect said plurality of magnetic, optical or magneto-optical structural means as well as said displaced position of said rider or index finger.
1 Assignment
0 Petitions
Accused Products
Abstract
In a measuring device for the non-contact detection of the absolute angle of rotation of a shaft, such as a steering column, at multiple revolutions, magnetic, optical or magneto-optical structures are arranged on the shaft or a part connected therewith. The shaft carries a thread which is in engagement with a rider or index finger. At least one sensor is provided to detect the magnetic, optical or magneto-optical structures as well as the displaced position of the rider or index finger.
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Citations
15 Claims
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1. A measuring device provided in a shaft arrangement including a shaft means, such as a steering column, for the non-contact detection of the absolute angle of rotation of said shaft means at multiple revolutions, which measuring device comprises
a plurality of magnetic, optical or magneto-optical structural means arranged on said shaft means, a rider or index finger capable of being displaced in the axial direction of said shaft means into a displaced position, a shaft means thread provided on said shaft means for engagement with said rider or index finger, and at least one sensor means arranged to detect said plurality of magnetic, optical or magneto-optical structural means as well as said displaced position of said rider or index finger.
Specification