Patent ID: 7172507

Claim:
A card game monitoring system comprising: a wirelessly communicating identifying information recording means embedded in a card for recording at least information for identifying itself; identifying information reading means, located in a part in contact with the card at least at a start and in a middle of a game, for reading by wireless communication, using a magnetic field, the information recorded on the identifying information recording means; control means for monitoring consistency between the identifying information read with the identifying information reading means at the start of the game and the identifying information read with the identifying information reading means in the middle of the game, by comparing the identifying information at the start of the game with the identifying information in the middle of the game; and a retrieved card receiving box for temporarily storing retrieved cards, the retrieved card receiving box including invalidating means for invalidating the information recorded on the identifying information recording means when the card is retrieved, wherein the part of the system where the identifying information reading means is located and with which the card comes into contact at the start of the game is a card takeout slot of a card distributor, and the part of the system where the identifying information reading means is located and with which the card comes into contact in the middle of the game is a card distribution area of a table.