Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1979-12-19
1982-08-17
Blum, Theodore M.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
455 63, H04B 700
Patent
active
043452558
ABSTRACT:
Each of a transmitter and a receiver connected to an antenna through a duplexer includes a .pi./2 and a .pi. polarizer and an ortho-mode transducer (OMT) serially interconnected. In the receiver the OMT is connected at one output to a branching circuit and at the other output to a coupler which is connected to the branching circuit through a transfer circuit. In the transmitter, the OMT is connected at one input to a branching circuit and at the other input to a coupler subsequently connected to the branching circuit through a transfer circuit.
REFERENCES:
patent: 3735266 (1973-05-01), Amitay
patent: 4090137 (1978-05-01), Soma et al.
Aoki Katsuhiko
Ishida Osami
Itoh Fumio
Komuro Keigo
Takeda Fumio
Blum Theodore M.
Kokusai Denshin Denwa Co. Ltd.
Mitsubishi Denki & Kabushiki Kaisha
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