| 摘要 |
PROBLEM TO BE SOLVED: To provide a nail interval measuring apparatus with higher measuring accuracy. SOLUTION: The nail interval measuring apparatus 200 in the pachinko game machine is provided with a light emitting element 204 which irradiating a planar space A containing a pair of nails 250 on the pachinko game machine, an image sensor 206 for receiving light passing through the planar space A, a nail interval computing means for calculating the interval of the pair of nails based on the image of the planar space obtained and a display means 214 for displaying the interval of the pair of nails calculated. This enables non-contact and accurate measurement of the interval of a pair of nails on the pachinko game machine. COPYRIGHT: (C)2003,JPO
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