| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To accurately find out a fraudulent act by monitoring the fraudulent act performed in a game parlor. <P>SOLUTION: A slot machine 13 has a radio frequency identification (RFID) tag 39 in which identification information is stored, and an RFID antenna device 15 is mounted on island equipment 11. The RFID antenna device 15 transmits electric waves to the RFID tag 39, and the identification information stored in the RFID tag 39 is received by the RFID antenna device 15. The received identification information is transmitted to a host computer 63 via an island equipment management computer 59. The host computer 63 authenticates the slot machine 12 by referring to the identification information. If the identification information can not be read or the identification information is false, an abnormality informing device 68 is operated, and employees in the game parlor is informed that a fraudulent act may have been performed in the slot machine 12, and at the same time, the power supply to the slot machine 12 is cut off by a power supply managing device 69. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
