| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and an apparatus for easily acquiring the image information of the obstruction nail of the game board in a pachinko machine. SOLUTION: The image data of the obstruction nail of a reference pachinko machine are read by a computer, the reference model image of the obstruction nail is displayed on a display screen, a transparent or translucent sheet is brought into contact with the heads of a plurality of obstruction nails at the game region of the game board of the same type of pachinko machine as the reference pachinko machine for arrangement, a scanner is moved for scanning along the transparent or translucent sheet surface, the image of the translucent nail through the transparent or translucent sheet surface is read and inputted to a computer, the reference model image an the image of the obstruction nail that is read by a scanner are overlapped by a computer and are displayed on the display screen, and the position deviation of the obstruction nail that is read by the scanner is judged.
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