CPC G06M 1/102 (2013.01) [G01D 5/14 (2013.01)] | 20 Claims |
1. A device, comprising:
a magnet;
an angle sensor, wherein the angle sensor is configured to detect a rotation angle of the magnet; and
a rotation counter, wherein the rotation counter is configured to record a quantity of rotations of the magnet,
wherein the rotation counter is connected to a battery and an additional battery, and
wherein the angle sensor and the rotation counter are implemented in physically separate components.
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