Identification system

Details Identification system Identification system

G - Physics

01

S

G01S 13/78 (2006.01)

Patent

CA 2310241

The invention discloses a method of identifying a plurality of transponders (1, 2, 3) in an interrogation comprising transmitting an interrogation signal to the transponders (1, 2, 3) and receiving at a reader (10) response signals from the transponders (1, 2, 3). Each transponder (1, 2, 3) is capable of transmitting the response signal at any time during a waiting period and may alter the maximum length of the waiting period during the interrogation process.

L'invention se rapporte à un procédé d'identification d'une pluralité de transpondeurs (1, 2, 3) au cours d'une interrogation consistant en l'émission d'un signal d'interrogation à destination des transpondeurs (1, 2, 3) et en la réception au niveau d'un lecteur (10) de signaux de réponse en provenance des transpondeurs (1, 2, 3). Chaque transpondeur (1, 2, 3) peut émettre le signal de réponse à tout instant au cours d'une période d'attente et peut modifier la longueur maximale de la période d'attente au cours du processus d'interrogation.

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