Electromagnetic radiation enhancement and decoupling

Details Electromagnetic radiation enhancement and decoupling Electromagnetic radiation enhancement and decoupling

G - Physics

06

K

G06K 19/077 (2006.01) H01Q 1/22 (2006.01)

Patent

CA 2655451

Apparatus and methods for providing a substantially surface independent tagging system are disclosed. A resonant dielectric cavity (6) is defined between upper (2) and lower (4) conducting layers, and closed at one end by a conducting base portion (8). Incident radiation couples into the cavity and is resonantly enhanced. An electronic device or tag paced at the edge of the cavity experiences a high electric field strength on account of this enhancement and is driven into operation.

Appareil et procédés permettant de donner un système d'étiquetage pratiquement indépendant de la surface. Une cavité diélectrique résonante (6) est définie entre des couches conductrices supérieure (2) et inférieure (4), et est fermée à une extrémité par une partie de base conductrice (8). Un rayonnement incident entre dans la cavité et est amélioré par résonance. Une étiquette ou un dispositif électronique placé sur le bord de la cavité subit une intensité de champ électrique élevée à cause de cette amélioration et est mis en marche.

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