| 摘要 |
A device for the wire-free determination of a position ( 4, 5, 6 ) of a mechanical force-transmitting device ( 2 a), having at least one storage device ( 11 ) for storing electrical energy, at least one sensor element ( 10 ) which detects the position and is monitored by at least one sensor electronic unit ( 7 ), comprising at least one radio transmitter, and at least one photovoltaic energy supply device ( 8 ) supplying the storage device ( 11 ) with electrical energy.
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