The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 11, 2018
Filed:
Jul. 30, 2015
Tagsys, La Ciotat, FR;
Marc Recouly, La Ciotat, FR;
Cyril Catalanotto, Toulon, FR;
Christophe Loussert, Aix-en-Provence, FR;
Michel Talon, Miramas, FR;
Other;
Abstract
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