Microstrip antenna device, in particular for telephone transmiss

Details Microstrip antenna device, in particular for telephone transmiss Microstrip antenna device, in particular for telephone transmiss

1997-02-24

1999-11-30

Le, Hoanganh

Communications: radio wave antennas

Antennas

Microstrip

343846, H01Q 138

Patent

active

059950471

ABSTRACT:
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 lalyer surmounts the first dielectrica layer on the side adjacent to the first patch and supports, on the other side remote from the first patch, a second cnoductive 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 center 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.

REFERENCES:
patent: 4792810 (1988-12-01), Fukuzawa et al.
patent: 5010348 (1991-04-01), Rene et al.
patent: 5497164 (1996-03-01), Croq
patent: 5539420 (1996-07-01), Dusseux et al.
patent: 5621571 (1997-04-01), Bantli et al.

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