Adjustable antenna system for a portable radio unit in a satelli

Details Adjustable antenna system for a portable radio unit in a satelli Adjustable antenna system for a portable radio unit in a satelli

1998-04-08

1999-11-23

Le, Hoanganh

Communications: radio wave antennas

Antennas

With radio cabinet

343700MS, 343880, H01Q 124, H01Q 138

Patent

active

059908394

ABSTRACT:
The present invention relates to an antenna unit for a portable radio unit capable of operating in a satellite communication mode. The antenna unit includes a first and a second conformal u-shaped antenna body which are movably arranged to each other. Each of the antenna bodies have a top surface and two outer surfaces. The second antenna body can be slid in and out of the first antenna body. The first antenna body has an array of patches on the top surface and on both of its outer surfaces to receive radio signals. The second antenna body has an array of patches on the top surface and on both of its outer surfaces to transmit radio signals. The antenna unit is coupled to the terminal unit by a hinge which enables the antenna unit to be folded onto the terminal unit.

REFERENCES:
patent: 4992799 (1991-02-01), Garay
patent: 5255001 (1993-10-01), Tamura et al.
patent: 5337061 (1994-08-01), Pye et al.
patent: 5451965 (1995-09-01), Matsumoto
patent: 5513383 (1996-04-01), Tsao
patent: 5542104 (1996-07-01), Ozawa et al.
patent: 5542106 (1996-07-01), Krenz et al.
patent: 5608413 (1997-03-01), Macdonald
PCT International Search Report. Jan. 23, 1993.

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