Communications: radio wave antennas – Antennas – Wave guide type
Reexamination Certificate
2006-02-28
2006-02-28
Le, Hoanganh (Department: 2821)
Communications: radio wave antennas
Antennas
Wave guide type
C343S7810CA, C343S779000
Reexamination Certificate
active
07006049
ABSTRACT:
In one embodiment of the present invention, an offset folded reflector pair is optimized for scanning off boresight by enforcing the Abbe Sine condition using a least-error approximation. Coma and astigmatism compare favorably over single reflector system and Gregorian pairs over a moderate field of view. A folded-pair reflector system of the present invention offers good performance in a compact size.
REFERENCES:
patent: 3795004 (1974-02-01), Meek et al.
patent: 4484197 (1984-11-01), Dragone
patent: 6160520 (2000-12-01), Muhlhauser et al.
patent: 6618093 (2003-09-01), Levy
Loane Joseph T.
Tanner David R.
Le Hoang-anh
Lockheed Martin Corporation
McDermott Will & Emery LLP
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