Tri-head KaKuKa feed for single-offset dish antenna

Details Tri-head KaKuKa feed for single-offset dish antenna Tri-head KaKuKa feed for single-offset dish antenna

2007-04-10

2007-04-10

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Wave guide type

C343S779000

Reexamination Certificate

active

11015705

ABSTRACT:
A method and apparatus for receiving signals transmitted from a plurality of communications satellites. An apparatus in accordance with the present invention comprises a reflecting surface having a focal point, and a plurality of low noise block down converters with feedhorns (LNBFs), each LNBF having a boresight, wherein at least a first LNBF receives signals in a first frequency band transmitted from a first communication satellite location that are focused at a first focal point and at least a second LNBF receives signals in a second frequency band transmitted from a second satellite location that are focused at a second focal point, wherein the boresight of the first LNBF is closer to the first focal point than the boresight of the second LNBF is to the second focal point.

REFERENCES:
patent: 5812096 (1998-09-01), Tilford
patent: 6600730 (2003-07-01), Davis et al.
patent: 7068616 (2006-06-01), Chang et al.

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