Transmitter/receiver apparatus

Details Transmitter/receiver apparatus Transmitter/receiver apparatus

1987-05-19

1990-03-06

Griffin, Robert L.

Telecommunications

Transmitter and receiver at same station

With transmitter-receiver switching or interaction prevention

455 86, 455 87, 455 19, H04B 144, H04B 150

Patent

active

049072919

ABSTRACT:
A miniature microwave transmitter/receiver is small enough to be mounted in the feeder of a microwave antenna. The transmitter and receiver do not interfere with each other despite their close proximity resulting from their small size. The non-interfering results are achieved by frequency separating the bands used for transmission, reception, and the intermediate transmit and receive frequencies. Since none of these frequencies overlap, they do not interfere with each other, even if there is an insufficient isolation between systems.

REFERENCES:
patent: 2864944 (1954-05-01), Peter
patent: 3624508 (1969-09-01), Kach
patent: 4186344 (1980-01-01), Higuchi et al.
patent: 4592093 (1986-05-01), Ouchi et al.

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