Plate antenna for direction finder

Details Plate antenna for direction finder Plate antenna for direction finder

1983-03-14

1985-04-09

Lieberman, Eli

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343700MS, 343846, G01S 504

Patent

active

045104980

ABSTRACT:
In an antenna device for a direction finder including an electrically conductive antenna plate of a configuration symmetrical around its center and disposed in parallel with a base plate with a predetermined distance maintained therebetween, a plurality of pairs of connecting portions are provided around the antenna plate so that one in each pair is provided opposite to the other with respect to the center. An electronic switch provided in the device transfers the connection in order that one in a pair thus transferred is grounded through a resistor having the characteristic impedance of the antenna plate while the other in the pair is connected to the receiver of the direction finder through a cable having the characteristic impedance.

REFERENCES:
patent: 3478362 (1969-11-01), Ricardi et al.

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