| 摘要 |
The checker is provided for helping a ticket management by checking automatically the sales and stock of the ticket in the vending machine using a photo sensor and a micom to inform the manager of replenishing tickets and etc., and includes a counter counting the sales of the ticket under a photo sensor signal, a manipulator controlling the checking operation for the sales and stock, a display showing the sales and stock, a micom connected to the counter, and photo sensor connected to an alarm lamp for lighting the lamp when the ticket stock is below the threshold.
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