Vehicle glass antenna with multiple conductive coatings

Details Vehicle glass antenna with multiple conductive coatings Vehicle glass antenna with multiple conductive coatings

H - Electricity

01

Q

H01Q 1/22 (2006.01) B32B 17/10 (2006.01) H01Q 1/12 (2006.01) H01Q 1/32 (2006.01)

Patent

CA 2163812

The present invention provides a transparent antenna for an automobile. The antenna includes a glass substrate a first electroconductive antenna element positioned on a central portion of a major surface of said substrate, a second electroconductive antenna element positioned on the major surface of the substrate, spaced from the first element, and at least one electroconductive connector extending between the antenna elements and overlaying and electrically interconnected with a portion of both the first and second antenna elements. A portion of the connector extends beyond the periphery of the glass substrate to be connected to an external connector. The first element and preferably both elements are a transparent, electroconductive coating. In one particular embodiment of the invention, the first element is spaced from the peripheral edge of the substrate and the second element is positioned between the first element and the substrate edge. The antenna may be incorporated into a laminated vehicle windshield so that an additional glass ply is secured to the first glass substrate such that the first and second coating elements are positioned between the glass plies.

Antenne transparente pour automobile. Comprend un substrat de verre, un premier élément d'antenne électroconducteur positionné au centre d'une grande surface dudit substrat, un deuxième élément d'antenne électroconducteur positionné sur la grande surface du substrat, à une certaine distance du premier élément, et au moins un connecteur électroconducteur reliant électriquement les éléments d'antenne et les recouvrant tous deux en partie. Une partie du connecteur dépasse la périphérie du substrat de verre pour se raccorder à un connecteur externe. Les deux éléments, ou à tout le moins le premier, se composent d'un revêtement transparent électroconducteur. Dans une version particulière, le premier élément est à une certaine distance de la périphérie du substrat et le deuxième élément est positionné entre le premier élément et le bord du substrat. L'antenne peut être incorporée à un pare-brise feuilleté, une couche de verre supplémentaire étant alors fixée au premier substrat de verre de manière que le premier et le deuxième éléments de revêtement soient positionnés entre les couches de verre.

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