H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 7/02 (2006.01) G08B 13/00 (2006.01) G08B 13/14 (2006.01) G08B 13/24 (2006.01) G09F 3/00 (2006.01) H05K 1/16 (2006.01) H05K 7/06 (2006.01)
Patent
CA 2354853
Briefly stated a tag (10) includes a dielectric substrate having first and second opposite principal surfaces. An electrical circuit having an electrically conductive pattern (18) is formed on at least one of the principal surfaces of the dielectric substrate, the conductive pattern including a gap (22) which establishes an electrical open circuit. An electrically conductive composition (24) including electro-conductive particles (24) is provided for bridging the gap in the conductive pattern to temporarily establish an electrical closed circuit which resonates when exposed to electromagnetic energy at a frequency within a predetermined frequency.
Une étiquette (10) comprend un substrat diélectrique définissant deux faces opposées. Sur l'une au moins des faces principales du substrat diélectrique, on a réalisé un motif conducteur (18) où un intervalle (22) rend le circuit ouvert. On utilise une composition électriquement conductrice (24) contenant des particules électriquement conductrices (24) pour combler l'intervalle du motif conducteur afin d'établir temporairement un circuit électrique fermé qui résonne lorsqu'il est soumis à une énergie électromagnétique dont la fréquence se trouve dans une gamme de fréquences donnée.
Mckeown Thomas James
Tocker Stanley
Checkpoint Systems Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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