H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 1/38 (2006.01) H01Q 1/12 (2006.01) H01Q 9/28 (2006.01) H05K 3/06 (2006.01)
Patent
CA 2214404
The invention relates to an antenna, and in particular to an antenna for receiving and/or transmitting electromagnetic radiation at radio frequencies, and to an antenna assembly. The antenna is suitable for frequencies in the range of around 450 MHz to around 1800 MHz, typically as used in mobile communications systems. There is provided an antenna (2; 102) for a mobile communications system which includes a symmetrical substantially planar element (4; 104) comprising two substantially planar portions (6, 8; 106, 108), the portions each being electrically conductive, characterised in that the portions have a thickness of no more than 0.1 cm and in that the element is secured to a non-conducting base (12; 112). There is also provided an antenna assembly comprising at least two antennas connected by a phasing harness.
Cette invention se rapporte à une antenne, et particulièrement à une antenne permettant de recevoir ou d'émettre un rayonnement électromagnétique aux fréquences radioélectriques, ainsi qu'à un ensemble d'antennes. Ladite antenne convient à une plage de fréquences comprises entre 450 Mhz environ et 1800 Mhz environ, comme celle utilisée habituellement dans les systèmes de communications mobiles. L'antenne (2; 102) selon l'invention, destinée à un système de communication mobile, comporte un élément (4; 104) symétrique pratiquement plan constitué de deux parties (6, 8; 106,108) pratiquement planes et électriquement conductrices, ladite antenne se caractérisant en ce que l'épaisseur desdites parties n'excède pas 0,1 cm et en ce que l'élément est fixé à une base non conductrice (12; 112). Cette invention concerne également un ensemble d'antennes comportant au moins deux antennes reliées par un faisceau de mise en phase.
Borden Ladner Gervais Llp
Gasser Elaine
LandOfFree
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