Communications: radio wave antennas – Antennas – Antenna with parasitic reflector
Reexamination Certificate
2006-04-18
2006-04-18
Le, Hoanganh (Department: 2821)
Communications: radio wave antennas
Antennas
Antenna with parasitic reflector
C343S779000, C343S912000, C343S914000
Reexamination Certificate
active
07030832
ABSTRACT:
A multi-beam-reflector dish antenna system. Signals from different satellites are simultaneously received using a single compound LNBF module. The antenna dish includes a reflector with N-th order projected aperture and a single compound LNBF module constituting multiple LNBF units. The reflector is formed by projected aperture cutting and surface distortion of the aperture in accordance with the method of analysis and synthesis. In addition to reflecting signals from satellites, it also generates focused waves sharing similar radiation patterns and horizontal gain with incoming waves on the focal plane to be received by the compound LNBF modules.
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Gau Jiahn-Rong
Jan Cheng-Geng
Lai Chung-Min
Ladas & Parry LLP
Le Hoang-anh
Wistron Neweb Corporation
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