Space filter surface

Details Space filter surface Space filter surface

1977-05-17

1978-11-21

Smith, Alfred E.

Communications: radio wave antennas

Antennas

Antenna components

343872, H01Q 142

Patent

active

041268660

ABSTRACT:
A surface used as a space filter in electromagnetic space. The filter surface is formed as a periodic array of recurrent filter components clustered in groups of three each incorporating pairs of elements extending outwardly at an internal angle of 120.degree.. A reactive load present as a U-shaped loop is coupled with the terminal portions of each element and extends outwardly therebetween.

REFERENCES:
patent: 3769623 (1973-10-01), Woo et al.
patent: 3789404 (1974-01-01), Munk
patent: 3842421 (1974-10-01), Rootsey et al.
patent: 3975738 (1976-08-01), Pelton et al.
patent: 3978486 (1976-08-01), Reinders et al.

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