An interrogator and interrogation system employing the same

Details An interrogator and interrogation system employing the same An interrogator and interrogation system employing the same

G - Physics

06

K

G06K 7/00 (2006.01)

Patent

CA 2517905

The present invention is directed to an interrogator, method of discerning metal and radio frequency identification (RFID) objects, and an interrogation system employing the same. In one embodiment, the interrogator (1100) includes a metal sensing subsystem (1105) configured to provide a first signal having a signature representing a presence of a metal object, and a RFID sensing subsystem (1110) configured to provide a second signal having a signature representing a presence of a RFID object. The interrogator (1100) also includes a control and processing subsystem (1115) configured to discern a presence of at least one of the metal and RFID objects from one of the first and second signals.

L'invention concerne un interrogateur, un procédé de distinction d'objets d'identification par radiofréquence (RFID) et d'objets métalliques, et un système d'interrogation dans lequel ledit interrogateur est utilisé. Dans un mode de réalisation, l'interrogateur (1100) comprend un sous-système de détection de métal (1105) conçu pour produire un premier signal dont la signature représente la présence d'un objet métallique, un sous-système de détection RFID (1110) conçu pour produire un second signal dont la signature représente la présence d'un objet RFID. L'interrogateur (1100) comporte également un sous-système de commande et de traitement (1115) conçu pour distinguer la présence d'au moins les objets métalliques et/ou RFID à partir du premier ou du deuxième signal.

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