An improved antenna system, method and apparatus for interrogating and locating RFID (Radio Frequency Identification) tags and other RF (Radio Frequency) devices, and various applications therefore and thereof, are disclosed. One embodiment is for reading and locating the physical position of RFID tags...http://www.google.com/patents/US7852223?utm_source=gb-gplus-sharePatent US7852223 - Sequenced antenna array for determining where gaming chips with embedded RFID tags are located on a blackjack, poker or other gaming table and for myriad other RFID applications
