| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an abnormality detection device capable of performing accurate abnormality detection in the case of conveying a card having irregularity.SOLUTION: The abnormality detection device includes: conveyance means 400 for conveying an abnormality detection object acquired from insertion means; thickness measurement means 500 for measuring the thickness of the abnormality detection object at a plurality of predetermined positions in a conveyance direction; design thickness storage means 6 for storing the thickness of the position of the design thickness of the abnormality detection object; and abnormality determination means 7 for detecting a difference between the thickness of the abnormality detection object measured by the thickness measurement means 500 at any of the plurality of predetermined positions and the design thickness corresponding to the position stored in the design thickness storage means 6. When the abnormality determination means 7 detects the difference which exceeds a predetermined threshold, the conveyance means returns the abnormality detection object to the insertion means.</p> |
