H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 1/28 (2006.01) H01Q 1/38 (2006.01) H01Q 9/04 (2006.01)
Patent
CA 2082580
An improved microstrip antenna device, in particular for telephone transmissions by satellite. An antenna comprises a first dielectric layer including on one side a ground plane and on the other a first conductive patch of a chosen shape, a second dielectric layer surmounts the first dielectric layer on the side adjacent to the first patch and supports, on the other side remote from the first patch, a second conductive patch of a chosen shape. A third dielectric layer surmounts the second. The second patch is of a size smaller than that of the first patch and this first patch is fed from below at at least one chosen point situated between its centre and its circumference. advantageously, the first patch is connected to a lead-in of the ground plane joining a feeding circuit implanted in a dielectric substrate of a three-plate structure.
Freyssinier Philippe
Medard Joel
Dassault Electronique
Gowling Lafleur Henderson Llp
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