H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/58
H01Q 21/06 (2006.01) H01Q 1/38 (2006.01) H01Q 21/00 (2006.01) H01Q 25/00 (2006.01)
Patent
CA 1323419
ABSTRACT OF THE DISCLOSURE: This invention relates to a planar antenna of the kind comprising feed lines disposed in a flat circuit and cooperating by hyperfrequency coupling with a metal ground plane pierced by apertures, the feed lines presenting a termination juxtaposed with each aperture, and a reflecting lower plate disposed at a distance of approximately a quarter wavelength, wherein the metal plate comprises a metal coating deposited on a dielectric substrate, the feed lines comprising microstrips disposed in channels which open into the apertures, and the array of apertures, channels and microstrips being produced on the dielectric substrate by single face printed circuit techniques. The invention is applicable to antennas for reception of direct broadcasts from satellites.
607023
Rammos Emmanuel
Robic
LandOfFree
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