H - Electricity – 01 – Q
Patent
H - Electricity
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Q
H01Q 15/00 (2006.01) H01Q 1/38 (2006.01) H01Q 3/46 (2006.01) H01Q 13/28 (2006.01) H01Q 15/24 (2006.01) H01Q 19/06 (2006.01) H01Q 21/24 (2006.01)
Patent
CA 2352106
The invention relates to an antenna structure for radiating electromagnetic waves in predetermined polarization configurations. A dielectric substrate is provided with a copper conductive pattern printed on each side. The conductors act as scattering elements and are printed for scattering radiation provided along a first predetermined feed direction or along a second feed direction independently. Preferably, the pattern of the copper is based on an interference pattern and two feeds are used, one to provide radiation along each of the two feed directions. When used as a traveling wave antenna, the resulting structure is flat, having a low profile, and lightweight with simple electronics. Improved isolation occurs when the printed interference patterns each contain only a component along a single direction such that each scattering element is linear and is parallel to or orthogonal to other scattering elements.
Cuhaci Michel
Ittipiboon Apisak
Levis Kathia
Petosa Aldo
Freedman & Associates
Her Majesty The Queen In Right Of Canada As Represented By The M
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