H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/29
H01Q 13/22 (2006.01) H01Q 1/38 (2006.01) H01Q 13/18 (2006.01) H01Q 21/00 (2006.01) H01Q 21/06 (2006.01) H01Q 21/24 (2006.01)
Patent
CA 1211837
PHF 82 601 13 1-11-1983 ABSTRACT: "Radiating or receiving element for orthogonally polarized high-frequency signals and planar antenna comprising an array of juxtaposed elements of this type." A radiating or receiving element for orthogonally polarized high-frequency signals comprises, on both sides of a first layer having a first cavity, first and second perpendicular high-frequency transmission lines, and at the other side of the transmission lines a second layer having a second cavity and a third layer having a third cavity facing the other two cavities but short-circuited so as to form a reflecting plane, the transmission lines being constituted by symmetrical slots and conducting strips, which are provided in the median plane of these lines and whose ends project into the cavities to form exciting probes whose lengths are different and chosen such that for any predetermined thickness of the first layer, the pairs of values: lengths of the end of a probe/ distance of the probe to the sole reflecting plane cor- respond to an experimentally maximum or nearly maximum coupling between each of the probes and the propagation medium.
440697
Philips'gloeilampenfabrieken N.v.
Van Steinburg C.e.
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