| 摘要 |
<p>PROBLEM TO BE SOLVED: To integrate and manage pieces of information on a plurality of game machines to prevent fraudulent acts.SOLUTION: A game machine 10 includes: a casing 15; a control board 11 which outputs game data including two or more pieces of game machine identification information for identifying the game machine 10, as a serial signal; and a game machine side connection terminal board 12 which has a light emitting section 13 and emits signal light based on the game data received from the control board 11 to the outside of the casing 15 by the light emitting section 13. A converter 30 is arranged in an advancing direction of the signal light, receives the signal light, converts the signal light into an electrical signal and is connected by a cable with an external device 20 so that data communication can be performed. The external device 20 receives the game data from the converter 30 and transmits the received game data to a game parlor management device 50. The game parlor management device 50 preliminarily associates two or more pieces of game machine identification information with one another to store them, and collates two or more pieces of game machine identification information included in the game data received from the external device 20 with two or more pieces of game machine identification information which are preliminarily stored.</p> |
