| 摘要 |
PROBLEM TO BE SOLVED: To make it hard to do indirection. SOLUTION: This counter is so composed as to count a Pachinko (Japanese pinball game) ball 60 which goes through a recovery route 4 by a counting sensor 7 and the counting is started only after a microswitch 3 confirms that a ball box 50 is placed on a table 1, and the counter makes estimation of a standard number of balls from rounds of exchange of ball boxes 50 and a general number of balls in the box, then, comparing the number of balls counter by the sensor 7 with the standard ball number, and activates an alarm system when the counted number of balls by the sensor 7 exceeds an allowance. |
