Loop coupler commutating feed for scanning a circular array ante

Details Loop coupler commutating feed for scanning a circular array ante Loop coupler commutating feed for scanning a circular array ante

1979-09-21

1980-10-21

Lieberman, Eli

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

333107, H01Q 324, H01Q 332

Patent

active

042297460

ABSTRACT:
A multiple port loop-coupler, commutating feed for a circular or cylindrical array. A rotor having a plurality of elongated coupling loops circumferentially spaced about an arc of its perimeter is fed from a strip line configuration excited at the driven central axis of the rotor. A plurality of elongated stater loops within essentially the same radial dimensions but extending throughout the full 360 degrees of the circular perimeter of the device continuously couples a changing fraction of the stater loops to the rotor as the latter is rotated. An output port is provided connected to each stater loop, and these output ports may then be discreetly connected to corresponding elements of a circular array or columns of elements of a cylindrical array.

REFERENCES:
patent: 2477635 (1949-08-01), Marchand
patent: 3066291 (1962-11-01), Alford

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