Antenna construction including two superimposed polarized parabo

Details Antenna construction including two superimposed polarized parabo Antenna construction including two superimposed polarized parabo

1982-08-16

1986-03-11

Lieberman, Eli

Communications: radio wave antennas

Antennas

With polarization filter or converter

343840, H01Q 1522, H01Q 1516

Patent

active

045757267

ABSTRACT:
A compact frequency reuse communications antenna includes two superimposed structures, each including Kevlar honeycomb, fabric face skins on the honeycomb, and a reflector over one of the face skins, the two structures being spaced from one another by Kevlar ribs formed of honeycomb material. The directions in which the ribbons of the honeycomb cores of the superimposed structures extend, and the directions of the elements making up the reflector of the fabric warps are chosen to minimize thermal distortions and RF losses while providing high natural frequency and low weight.

REFERENCES:
patent: 2682491 (1954-06-01), Hahn
patent: 2742387 (1956-04-01), Giuliani
patent: 3096519 (1963-07-01), Martin
patent: 3137000 (1964-06-01), Fuller
patent: 3483614 (1969-12-01), Kazimi
patent: 3898667 (1975-08-01), Raab
"The SBS Communication Satellite-An Integrated Design," by H. A. Rosen, designated CH1352-4/78/0000-0343, published by the IEEE, pp. 343-347.
"Advanced Composite Structures for Satellite Systems," by R. N. Gounder, RCA Engineer, Jan./Feb. 1981, pp. 12-22.
"Optimized Design and Fabrication Processes for Advanced Composite Spacecraft Structures," by V. F. Mazzio et al., 17th Aerospace Sciences Meeting, New Orleans, LA, Jan. 15-17, 1979, pp. 1-8.
"KEVLAR Aramid The Fiber That Lets You Re-Think Strength and Weight," published by DuPont Company.

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