Co-located multi-band antenna

Details Co-located multi-band antenna Co-located multi-band antenna

2006-05-02

2006-05-02

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S7810CA

Reexamination Certificate

active

07038632

ABSTRACT:
A multi-band reflector antenna having a main reflector, a sub reflector, a first feed and a second feed. The first feed, the sub reflector and the main reflector positioned in a Gregorian optic configuration wherein an output of the first feed is directed to the sub reflector, from the sub reflector to the main reflector and from the main reflector into a first beam. The sub reflector may be shaped to distribute the output of the first feed reflecting off the sub reflector onto the main reflector whereby a central area of the main reflector has a lower illumination than a surrounding outer area of the main reflector and or elongated vertically. The second feed projecting from a hole in the sub reflector is oriented whereby an output of the second feed is directed to the main reflector and from the main reflector into a second beam.

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