Inverse gain modulator

Details Inverse gain modulator Inverse gain modulator

1973-12-20

1978-05-16

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 18E, 343 68R, G01S 738, G01S 902, G01S 956, H04K 300

Patent

active

040901963

ABSTRACT:
In a transponder having first and second antennas an inverse gain modulator is provided. The inverse gain modulator comprises a power-responsive balance circuit coupled to the two antennas. The power level of the output signal returned by the second antenna is inversely related to the power level of the signal received by the first antenna.

REFERENCES:
patent: 2790073 (1957-04-01), Curtis
patent: 3357013 (1967-12-01), Hart
patent: 3484784 (1969-12-01), McLeod, Jr.
patent: 3685050 (1972-08-01), Cartwright
patent: 3845482 (1974-10-01), Jirousek et al.

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