| 摘要 |
A data carrier drive apparatus (1) comprises data carrier loading means (3) for supporting a data carrier, which data carrier loading means (3) is movable between an open and a closed end position along a traveling path by means of a loading means motor (4); and detection means (23, 25) being arranged to monitor an electric driving current (IM) or a driving voltage (UM) impressed to the loading means motor (4), wherein the detection means (23, 25) is adapted to detect a predefined signal pattern of the driving current (IM) or voltage (UM), which signal pattern is representative for the traveling of the loading means along its traveling path at a specific position or section of the path.
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