Method of operation and system for discrimination between...

G - Physics – 06 – K

Patent

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G06K 7/00 (2006.01) G01S 13/02 (2006.01) G01S 13/75 (2006.01)

Patent

CA 2480309

The present invention provides a system for discriminating between coded responses from multiple SAW identification tags and a method of operating such system. In one embodiment the system provides for (1) a SAW tag reader subsystem that detects coded responses from the tags to an interrogation pulse; and (2) a coded response analyzing subsystem (140), coupled to the SAW tag reader subsystem (130), that employs signal processing techniques to separate portions of the coded responses and generates possibilities for remaining portions of the coded responses.

La présente invention concerne un système permettant d'établir une distinction entre des réponses codées d'étiquettes d'identifications à onde acoustique de surface (SAW) et un procédé de fonctionnement de ce système. Dans un mode de réalisation, ce système présente (1) un sous système lecteur d'étiquette d'identification SAW qui détecte des réponses codées des étiquettes à une impulsion d'interrogation et, (2) un sous système (140) d'analyse de réponse codée couplé au sous système (130) lecteur d'étiquette SAW qui utilise des techniques de traitement de signal pour séparer les parties des réponses codées et qui génère des possibilités pour des parties restantes des réponses codées.

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