G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 13/187 (2006.01) G06K 19/07 (2006.01) G06K 19/077 (2006.01)
Patent
CA 2343397
A radio frequency identification device (100, 200, 300, 350, 400, 500, 700) includes a substrate member (110) having a first surface (109) and a second surface (111). Disposed on the first surface of the substrate member are a first antenna element (112) and a second antenna element (114). The first and second antenna elements are electrically isolated from each other and are coupled to two separate pads on a circuit (116, 116'). The integrated circuit includes a power circuit (814) that produces a supply voltage for electronics on the integrated circuit in response to voltages coupled over the air to the pads on the integrated circuit via the first and second antenna element. Additionally, the tag may employ an interposer (600) to attach circuit (116) to tag (110) and antenna elements (112, 114). The interposer (600) has a substrate (602) and first and second connecting pads (602, 604) electrically isolated from each other and electrically connected to connecting pads on the circuit (116). Adhesive (118) is applied on the first surface of the substrate, the first and second antenna elements and the circuit for securing the tag to a person or thing.
Ce badge HF (10) comporte un élément substrat (110) définissant une face intérieure et une face extérieure. La face intérieure est pourvue de deux éléments d'antenne (112, 114) électriquement isolés l'un de l'autre et couplés à deux plages distinctes d'un circuit intégré (116). De l'adhésif (118) appliqué sur la face intérieure du substrat, sur les éléments d'antenne et sur le circuit intégré permet de maintenir la cohésion du badge. Ce badge peut comporter une couche intercalaire (600) pour fixer le circuit intégré (116) aux éléments d'antenne (112, 114). La couche intercalaire (600) comporte un substrat (602) ainsi que les deux plages de connexion (602, 604) électriquement isolées l'une de l'autre, et électriquement connectées aux plages de connexion du circuit intégré (116). La couche intercalaire réduit le niveau de précision requis pour un couplage effectif du circuit intégré (116) avec les éléments d'antenne (112, 114).
Eberhardt Noel H.
Vega Victor Allen
Gowling Lafleur Henderson Llp
Motorola Inc.
Motorola Mobility Inc.
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