Telecommunications – Transmitter and receiver at same station – With a common signal processing stage
Patent
1979-11-08
1981-08-25
Ng, Jin F.
Telecommunications
Transmitter and receiver at same station
With a common signal processing stage
455 90, 455 99, 455346, 455351, 343702, 200 511, H04B 138, H04B 108, H01O 124
Patent
active
042863350
ABSTRACT:
Apparatus having an integral coaxial antenna coupled via a coaxial connector to its internal circuitry has a coaxial switch/connector for alternatively coupling an external coaxial signal source to the internal circuitry, thus reducing impedance mismatch to a minimum with no impedance matching network required.
REFERENCES:
patent: 3134945 (1964-05-01), Wertheimer
patent: 3946390 (1976-03-01), Alexander et al.
patent: 3969728 (1976-07-01), Hodsdon et al.
Eichler Jay H.
Gasparaitis Bernard
Gillman James W.
Motorola Inc.
Ng Jin F.
Parker Margaret Marsh
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