| 摘要 |
PROBLEM TO BE SOLVED: To provide a game token capable of easily determining whether the token is a fraudulent token or not, and a game machine, etc. using the game token. SOLUTION: The game token M is formed of disk-shaped metal, and figure information with an ID number on a circumference with a fixed width from the center of the circular game token M is incused on the surface of the game token M. The ID number is composed of a unique ID and encrypted checksum for the ID, and whether the game token is a fraudulent one or not can be determined by using the ID and the checksum. COPYRIGHT: (C)2009,JPO&INPIT
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