H - Electricity – 01 – P
Patent
H - Electricity
01
P
333/107
H01P 1/165 (2006.01) H01Q 15/24 (2006.01) H01Q 21/24 (2006.01)
Patent
CA 2033856
A single- or dual-circularly polarized earth station antenna is converted into a single- or dual-linearly polarized earth station antenna for accessing linearly polarized satellites. In a first embodiment, a free-space meander line polarizer providing a 90° differential phase shift between two orthogonal polarizations is disposed in front of the earth station antenna feed system. In a second embodiment, a power dividing (transmit) or power combining (receive) network operates in conjunction with differential phase shift circuits to achieve the polarization conversion.
English William J.
Viskum Hans-Henrik
English William J.
International Telecommunications Satellite Organization (the)
Moffat & Co.
Viskum Hans-Henrik
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