Polarized antenna having longitudinal shunt slotted and rotation

Details Polarized antenna having longitudinal shunt slotted and rotation Polarized antenna having longitudinal shunt slotted and rotation

1994-07-21

1995-12-05

Lee, Benny T.

Communications: radio wave antennas

Antennas

With polarization filter or converter

343771, H01Q 1312, H01Q 1524

Patent

active

054733340

ABSTRACT:
An antenna for transmitting rf energy. A polarizer for selectively polarizing the rf energy is operatively connected to a longitudinal shunt slotted plate for radiating rf energy therethrough. A rotational series slotted plate is operatively connected to the longitudinal shunt slotted plate for feeding the rf energy thereto. The plate has slots arranged in columns. First and second dual end slot array feeds are operatively connected to first and second columns of series slots of the rotational series slotted plate, said feeds having first and second input tee junctions. A manifold is operatively connected to the first and second input tee junctions for feeding the rf energy to first and second columns of the slots, the first and second columns of slots having, respectively, n1 and n2 numbers of slots with n1>n2. The manifold includes a power divider, and first and second waveguide lengths connected to the power divider for receiving rf energy. The first waveguide length is connected to the first column (n1) and the second waveguide length is connected to the second column (n2) having a length equal to (n1-n2 ).lambda..sub.g /2.

REFERENCES:
patent: 2981948 (1961-04-01), Kurtz
patent: 3150375 (1964-09-01), Bevan et al.
patent: 3293647 (1966-12-01), Crumpen
patent: 3348227 (1967-10-01), Rolfs
patent: 4121220 (1978-10-01), Scillieri et al.
patent: 4716415 (1987-12-01), Kelly
patent: 4819003 (1989-04-01), Groto et al.

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