H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/19 (2006.01) B64G 1/10 (2006.01) H04B 7/195 (2006.01) B64G 3/00 (2006.01)
Patent
CA 2217615
A system for relaying information between a satellite in orbit around the earth, and an earth station, wherein the satellite orbit is: a) substantially circular; b) inclined to the equatorial plane; and c) has a period matching the earth's rotational period; and wherein the earth station comprises an antenna operable over a wider angle in elevation than in azimuth. By tilting the axis of the orbit, and using this type of antenna, more satellites can be fitted into the limited geostationary positions without mutual interference.
L'invention est un système servant à transmettre des informations entre un satellite en orbite autour de la Terre et une station terrienne, l'orbite du satellite étant a) essentiellement circulaire et b) inclinée par rapport au plan équatorial et c) ayant une période comparable à la période de rotation de la Terre. La station terrienne est dotée d'une antenne pouvant balayer un angle d'ouverture plus grand dans le plan vertical que dans le plan horizontal. En inclinant l'axe de l'orbite et en utilisant ce type d'antenne, on peut placer un plus grand nombre de satellites sur le nombre restreint des positions géostationnaires sans brouillage mutuel entre les satellites.
Mccaughan Daniel Vincent
Smith Martin Steven
Nortel Networks Limited
Northern Telecom Limited
Smith Dallas F.
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