| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for a game parlor capable of calculating the number of new visiting customers which is made close to the actual number of new visiting customers even when specification as to whether to be new visiting customers cannot be performed.SOLUTION: Identification information includes identification information showing that a storage medium is a member card and identification information showing that the storage medium is not a member card. Visiting customer information storage means can erase image data at a prescribed time in the case where the stored image data is the image data and time data which are stored in correspondence with the identification information that does not show to be the member card, and on the other hand, the visiting customer information storage means can hold the image data without erasing the image data at the prescribed time in the case where the stored image data is image data which is stored in correspondence with the identification information showing to be the customer card.SELECTED DRAWING: Figure 10 |
