Antenna device for direction finder

Details Antenna device for direction finder Antenna device for direction finder

H - Electricity

01

Q

351/6

H01Q 1/28 (2006.01) G01S 3/00 (2006.01) H01Q 3/24 (2006.01)

Patent

CA 1194989

ABSTRACT OF THE DISCLOSURE 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 therebe- tween, 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 elec- tronic 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.

423706

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