| US 7,456,743 B2 | ||
| Combined low and high frequency RFID system | ||
| Enrico Malacarne, Duebendorf (Switzerland); Carlo Mutti, Origlio (Switzerland); and Christian Narvaez, Purasca (Switzerland) | ||
| Assigned to Datamars S.A., (Switzerland) | ||
| Filed on Dec. 07, 2005, as Appl. No. 11/295,812. | ||
| Prior Publication US 2007/0132584 A1, Jun. 14, 2007 | ||
| Int. Cl. G08B 13/14 (2006.01) | ||
| U.S. Cl. 340—572.1 [340/572.4; 340/539.13; 340/10.1; 235/385] | 18 Claims |
| 1. A radio frequency identification (RFID) system including:
a low frequency RFID reader device comprising a first antenna connected to a first transceiver, for receiving/transmitting
low RF waves from/to an RFID tag, and a first decoder for decoding said low RF waves into digital data having a predetermined
format;
a host computer coupled to said low frequency RFID reader device for processing said digital data; and
a high frequency-RFID reader device,
wherein the high frequency RFID reader device comprises a second antenna connected to a second transceiver, for receiving/transmitting
high frequency RF waves from/to an RFID tag, and to a second decoder for decoding said high frequency RF waves into corresponding
digital data, and
wherein said high frequency RFID reader device is connected to said low frequency RFID reader device and to said host computer
and comprises a flow controller for converting the digital data from said high frequency RFID reader device into said predetermined
format and delivering the digital data from said high and low frequency RFID reader devices to said host computer.
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