| 摘要 |
PROBLEM TO BE SOLVED: To provide a position-measuring device of a trolley line capable of efficiently measuring the trolley line with a simple device. SOLUTION: The position-measuring device of the trolley line includes two line sensors 2, 3 that are arranged mutually opposed on the left and right to the running direction of a vehicle 1 on the roof of a vehicle 1 to respectively face the trolley line 7, an image recording section 5 for recording images based on respective output values of the line sensors 2, 3, an image processing section 6 for detecting the height and deviation of the trolley line 7 by analyzing respective images acquired the image recording section 5. COPYRIGHT: (C)2007,JPO&INPIT
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