H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
26/112, 351/43
H01Q 13/08 (2006.01) H01Q 1/27 (2006.01) H01Q 9/26 (2006.01) H01Q 21/24 (2006.01)
Patent
CA 1264373
ABSTRACT OF THE DISCLOSURE FLAT WIDE-BAND ANTENNA An antenna for receiving or transmitting electromagnetic waves with circular polari- zation or, in certain configurations, linear polarization. The antenna element is low- cost, wide-band and medium-gain broadside antenna element which may be used alone or in arrays. One embodiment disclosed comprises a wire or micro-strip conductor outlining a cruciform shaped loop parallel to a conduc- tive plane from which it is separated by a dielectric layer. The lengths and widths of the branches of the cruciform loop are chosen to be .lambda. g/2 and .lambda. g/N respectively, where .lambda. g is the guide wavelength of the radiative transmission line formed by the conductor and plane. The antenna element is applicable to mobile earth-bound terminals for selective communications, for example.
513358
Agence Spatiale Europeenne
Gowling Lafleur Henderson Llp
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