Log periodic directional antenna

Details Log periodic directional antenna Log periodic directional antenna

1981-01-02

1982-10-19

Lieberman, Eli

Communications: radio wave antennas

Antennas

Logarithmically periodic

343878, H01Q 1110

Patent

active

043553150

ABSTRACT:
Log periodic directional antenna provides a signal gain in one direction compared to an elementary dipole antenna and over a wide range of frequencies when connected to a transmitter or receiver. An antenna mount supports the antenna on a mast which can be set up at either a fixed location or set up quickly at itinerant sites. The antenna mount is positioned in the substantially mid-portion of the antenna boom providing for mechanical balance. The antenna mount provides for either horizontal or vertical polarization and requires no tools for effecting a change of polarization. The directional antenna can be used for frequencies of 10-1000 MHZ, and particularly lends itself to VHF and UHF frequencies. The directional antenna can also be used for direction finding.

REFERENCES:
patent: 3500423 (1970-03-01), Church
patent: 4005432 (1977-01-01), Beccario
patent: 4028709 (1977-06-01), Berkowitz et al.

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