Patent ID: 7561053
Filing Date: 2009-07-14
Classification: A63F,G01S,G07F

Abstract:
1. A system to identify gaming chips bet on a casino gaming table, the system comprising: a plurality of gaming chips each comprising an RFID device which comprises a unique RFID number and a peripheral bar code representing a denomination; a casino gaming table comprising player betting positions for betting one or more of the plurality of chips; means associated with at least one given position for reading optical bar codes of any chip of the plurality of chips placed in the given position and providing the number thereof; means also associated with the given position comprising two or more antennas for transmitting interrogation signals in an excitation sequence to respective RFID devices of any chip of the plurality of chips placed in the given position and for receiving a signal sequence from the respective RFID devices in response to the interrogation sequence; and means for processing a received signal sequence to identify respective unique RFID numbers and providing the number thereof and for comparing the number of chips provided by the means for processing and the number provided by the means for reading optical bar codes.