Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1982-02-11
1985-02-26
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
H04B 719
Patent
active
045020515
ABSTRACT:
A telecommunication satellite system in which its activated satellites are placed in geostationary positional loops and consist of asynchronously orbiting satellites of identical telecommunication functions on circular or elliptical paths which are inclined relative to the equitorial plane with all of the satellites moving on the same path relative to the view of a fixed earth station and where the apparent path in the form of loops intersect or contacts at equal intervals around the sphere as shown in FIG. 1. The points of intersection and of contact KP of the apparent path are simultaneously met by two satellites with one on each of the two orbit branches. At the time of the smallest spacing between the two satellites the telecommunication pay-load of the satellite leaving the geostationary loop is inactivated and the other satellite simultaneously entering the geostationary loop is activated by a control center. In this manner, ground communication stations can function by way of one satellite in one of the geostationary loops at all times without interruption at time of change-over to the other satellite.
REFERENCES:
patent: 3163820 (1964-12-01), Hight
patent: 3243706 (1966-03-01), Grisham
Blum Theodore M.
Siemens Aktiengesellschaft
Sotomayor John B.
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