A system automatically monitors playing and wagering of a game, including the gaming habits of players and the performance of employees at least partially by tracking the movement of chips bearing identifiers. A chip tray reader images the contents of a chip tray, while a table reader images chips on...http://www.google.ca/patents/US7316615?utm_source=gb-gplus-sharePatent US7316615 - Method and apparatus for monitoring casinos and gaming
Method and apparatus for monitoring casinos and gaming