Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1976-12-21
1978-05-02
Safourek, Benedict V.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343180, H04B 152
Patent
active
040877515
ABSTRACT:
A compact transmitter-receiver circuit particularly adapted for short-distance mobile communication includes a pair of parallel nonlinear circuits, first and second hybrid circuits connected to the pair of nonlinear circuits on their high- and low-frequency sides, respectively, and a radio-frequency generator and a driver circuit connected to the respective hybrid circuits. One of the four terminals of the first hybrid circuit serves as a common input-output terminal of the transmitter-receiver circuit without necessitating any particular means conventionally required for separation between transmission and reception signals.
REFERENCES:
patent: 2505655 (1950-04-01), Van Weel
patent: 2789210 (1957-04-01), Arnold
Kato Yasuo
Matsuo Yoshio
Nippon Electric Co. Ltd.
Safourek Benedict V.
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