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
US7852223B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2009 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Apr 28, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S13/75
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
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 (such as is made by Phillips, Siemens's Infineon and Texas Instrument) that may be embedded in gaming chips (RFID gaming chips, such as is made by Gaming Partners International Corp.) used in a casino, TV or movie studio or elsewhere for wagering at table games and other gambling games including Blackjack, Poker, Craps, Baccarat and Roulette, but the invention may be used for various other RFID applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.