Communications: radio wave antennas – Antennas – With housing or protective covering
Patent
1995-04-04
1997-11-18
Le, Hoanganh T.
Communications: radio wave antennas
Antennas
With housing or protective covering
343713, 343766, H01Q 132, H01Q 142
Patent
active
056892764
ABSTRACT:
An antenna housing functions as a radome for a satellite antenna device for mounting on a moving body. The housing includes a lower portion on which the antenna device, having an antenna body and an automatic tracking mechanism, is fixedly mounted and an upper portion releasably connected to the lower portion in a watertight manner. The upper portion is made of a dielectric material and composed of a single layer of a resin having a relative dielectric constant of no more than 2. The upper portion is spaced from a surface of the antenna body by a distance except for values close to an integral multiple of a half-wave length.
REFERENCES:
patent: 3444558 (1969-05-01), Leitner
patent: 4661821 (1987-04-01), Smith
patent: 4698638 (1987-10-01), Branigan
patent: 4914448 (1990-04-01), Otsuka et al.
Moriya Motonobu
Ojima Takashi
Takahashi Nobuharu
Uematsu Masahiro
Le Hoanganh T.
Nippon Steel Corporation
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