Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1977-04-01
1978-08-22
Gensler, Paul L.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
325 4, 333 11;6;7R, H04B 720, H03H 746
Patent
active
041092023
ABSTRACT:
A channel switching system useful in a satellite for amplifying some or all of three different RF frequency-band channel signals in two traveling wave tube amplifiers and transmitting the signals via two spot antennas to two regions on earth. Two signals are normally amplified in the two amplifiers and directed to the two regions on earth. A third frequency channel signal can be simultaneously applied through one or the other of the two paths. If an amplifier fails, the third frequency channel can be directed through the remaining operative amplifier to either one of the two regions on earth.
REFERENCES:
patent: 3768043 (1973-10-01), Foldes
patent: 3865990 (1975-02-01), Kuenemund
patent: 4002980 (1977-01-01), Herz
patent: 4041389 (1977-08-01), Oades
Keyes Lorne Allan
Kudsia Chandra Mohan
Moody Harry John
Christoffersen H.
Cohen Samuel
Gensler Paul L.
Olson Carl V.
RCA Corporation
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