Communications: radio wave antennas – Antennas – Wave guide type
Reexamination Certificate
2006-10-31
2006-10-31
Phan, Tho (Department: 2821)
Communications: radio wave antennas
Antennas
Wave guide type
C343S7810CA
Reexamination Certificate
active
07129903
ABSTRACT:
An apparatus and method for forming a cassegrain reflector antenna that allows an extended length feed horn to be employed without increasing an overall depth of the antenna. This enables the swept diameter of the antenna to be maintained at a minimum comparable to an antenna system using a standard length feed horn. The antenna system employs a hole at a vertex of the main reflector of the antenna system. The elongated feed horn is mounted at the vertex such that a major portion of its length projects outwardly form a rear surface of the main reflector. Antenna electronics components can be mounted on a neck of the feed horn or alternatively on a rear surface of the main reflector. Since the elongated feed horn does not increase the overall depth, and thus the swept arc of the antenna, the size of the radome needed to cover the antenna can be kept to a minimum size comparable to that required for reflector antennas employing conventional, standard length feed horns.
REFERENCES:
patent: 2421593 (1947-06-01), Bishop
patent: 2427005 (1947-09-01), King
patent: 3860930 (1975-01-01), Peterson
patent: 4034378 (1977-07-01), Ohm
patent: 4786912 (1988-11-01), Brown et al.
patent: 5075680 (1991-12-01), Dabbs
patent: 5714947 (1998-02-01), Richardson et al.
patent: 5835057 (1998-11-01), van Heyningen
patent: 6184840 (2001-02-01), Hsin-Loug et al.
patent: 6307521 (2001-10-01), Schindler et al.
A Satellite-Tracking K- and Ka-Band Mobile Vehicle Antenna System dated Nov. 1993, Authors Arthur C. Densmore and Vahraz Jamnejad, 9 pages.
International Search Report for PCT/US 02/ 28740, 4 pages, no dated provided!.
Bien Albert Louis
Desargant Glen J.
Harness & Dickey & Pierce P.L.C.
The Boeing Company
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