Satellite switching system

Details Satellite switching system Satellite switching system

1977-02-23

1979-03-13

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343100ST, H04B 700

Patent

active

041444957

ABSTRACT:
A multi-beam satellite switching system employs onboard switching for the purpose of increasing the up path and down path antenna gains. A multiplicity of up path antenna beams and of down path antenna beams (not necessarily the same number of each direction) are provided by the system. A number of amplifier systems are distributed across the frequency band of interest. These amplifier systems comprise input amplifiers including filters, frequency converters and output amplifiers. A switching and control circuit accepts an up path signal from only the desired input amplifier and connects the desired output amplifier to the desired down path beam. Each earth station transmits to the satellite a suitable signal to perform the desired switching functions.

REFERENCES:
patent: 3340531 (1967-09-01), Kefalas et al.
patent: 3711855 (1973-01-01), Schmidt et al.
patent: 3810255 (1974-05-01), Wachs et al.
patent: 3928804 (1975-12-01), Schmidt et al.

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