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Cyril Catalanotto

Christophe Loussert

Marc Recouly

Michel Talon

Disclosed is a system for electromagnetic interrogation of RFID transponders including at least one RFID terminal configured to emit an interrogation signal at a frequency F, at least one RFID device referred to as repeater configured to receive the interrogation signal with frequency Fand to repeat same towards at least one RFID transponder at the frequency F, characterized in that the at least one RFID terminal includes at least one RFID reader configured to emit an interrogation signal with frequency Fand at least one add-on RFID device configured to perform a frequency transposition from the frequency Fto the frequency F, the frequencies Fand Fbeing different.

System for RFID transponder interrogation by frequency transposition

Disclosed is a system for electromagnetic interrogation of RFID transponders including at least one RFID transponder, at least one so-called repeater RFID device and at least one RFID terminal, the at least one RFID terminal is configured to emit an interrogation signal towards the at least one repeater at a frequency F, the at least one repeater is configured to repeat the interrogation signal with frequency Ftowards the at least one RFID transponder at a frequency Fand the at least one RFID transponder is configured to emit a backscattered response signal at a frequency F, the system being characterized in that the at least one repeater is configured to perform an exclusively analog frequency transposition from the frequency Fto the frequency F

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Toulon, France

Cyril Catalanotto