| 摘要 |
A marking device for marking visual permanent markers on a surface and including a housing (2), a marking unit (19), a motorized drive (36, 18; 24) for displacing the marking unit relative to the housing (2), a detector device (21) for detecting a measurement signal and for generating a position signal upon deviation of the measurement signal from a marking signal, and a control circuit (27) for controlling the drive (36, 18; 24) and for actuating same in response to the position signal for displacing the marking unit (19) relative to a reference housing position into a corrected marking position.
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