Radio wave lens antenna apparatus

Details Radio wave lens antenna apparatus Radio wave lens antenna apparatus

2006-06-13

2006-06-13

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Antenna components

C343S753000, C343S754000

Reexamination Certificate

active

07061448

ABSTRACT:
A small, lightweight radio wave lens antenna device is proposed in which freedom of selection of the installation place is high, which can be compactly installed e.g. on a wall surface, and in which restriction of installation space is relaxed. A hemispherical Luneberg lens2is mounted on a reflecting plate1, antenna elements4are supported by a retainer3, they are integrally combined, and a mounting portion5is provided for mounting the reflecting plate1to a installation portion such as a wall surface with the reflecting plate1substantially vertical. The reflecting plate1may have such a shape that an area other than the area for reflecting radio waves from directions in a predetermined range is removed, preferably in the shape of a fan. The hemispherical Luneberg lens2is mounted on the reflecting plate1, offset toward the small arcuate edge1bof the fan. Further, a support arm9straddling the lens2is provided in the antenna device having a hemispherical Luneberg lens2provided on the reflecting plate1, antenna elements4are mounted on an arcuate element retaining portion9aof the support arm9along the spherical surface of the lens2with an angle adjustor15for adjusting the elevation at intervals corresponding to the distances between geostationary satellites by means of mounting means11. Thereafter, the support arm9is pivoted to a predetermined angular position so that the antenna elements can be comprehensively positioned.

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patent: WO 99/56347 (1999-11-01), None
patent: WO 99/56348 (1999-11-01), None

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