Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1974-06-25
1976-04-27
Gensler, Paul L.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
330124D, 333 6, 333 98S, 343854, 333 2, 333 7R, H01Q 326
Patent
active
039538532
ABSTRACT:
A standby microwave transmitter power amplifier tube is switched into a mowave power distribution system for a phased array in microseconds when any transmitter tube feeding any one of the radiating elements fails and all the radiating elements continue to be fed by respective transmitter tubes after the switching is completed, the switching being accomplished by changing electrical length of a quarter-wavelength waveguide stub to one-half wavelength by switching a reciprocal latching ferrite phase shifter in the stub, in response to termination of microwave power from one of the feed tubes.
REFERENCES:
patent: 3092789 (1963-06-01), Cremin
patent: 3204204 (1965-08-01), Buxton et al.
patent: 3276019 (1966-09-01), Fackler
patent: 3519958 (1970-07-01), Hagler et al.
patent: 3600682 (1971-08-01), Yoshimoto et al.
Carter John L.
McGowan Joseph
Bowers Arthur L.
Edelberg Nathan
Gensler Paul L.
Gibson Robert P.
The United States of America as represented by the Secretary of
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