Microwave dichroic plate

Details Microwave dichroic plate Microwave dichroic plate

1978-02-16

1979-07-03

Lieberman, Eli

Communications: radio wave antennas

Antennas

Antenna components

H01Q 1500

Patent

active

041602544

ABSTRACT:
A dichroic plate for microwave energy includes an array of interlaced crossed slots or dipole elements. Each of the elements includes first and second crossed arms that are at approximately right angles to each other and aligned with X and Y axes. The elements are arranged so that the centers thereof are aligned parallel to the X and Y axes to form columns and rows, and the interlacing is such that a line between the centers of all adjacent elements has non-zero, differing components relative to the X and Y axes. In one embodiment, the spacing between adjacent arms of different, adjacent elements is the same along the X and Y axes, while in a second embodiment, the spacing between similarly directed arms of adjacent elements differs from the spacing between oppositely directed arms of adjacent elements.

REFERENCES:
patent: 3769623 (1973-10-01), Fletcher
patent: 3978486 (1976-08-01), Reinders
patent: 4017865 (1977-04-01), Woodward

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