Saw identification tag discrimination methods

Details Saw identification tag discrimination methods Saw identification tag discrimination methods

G - Physics

06

K

G06K 5/00 (2006.01) G06K 15/00 (2006.01)

Patent

CA 2539223

Surface acoustic wave (SAW) identification tag discrimination methods including, in one embodiment (1) detecting a signal emanating from an electronic device operating within a SAW tag frequency band; (2) identifying a null period in a transmission pattern in the signal; and (3) effecting communication of information during the null period.

L'invention concerne des procédés de discrimination d'étiquettes d'identification à ondes acoustiques de surface, lesquels comprennent, dans un mode de réalisation (1), la détection d'un signal partant d'un dispositif électronique fonctionnant dans une bande de fréquence d'étiquette à ondes acoustiques de surface, (2) l'identification d'une période nulle dans une configuration de transmission du signal, et (3) la communication d'informations pendant ladite période nulle.

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