Communications: electrical – Selective – Interrogation response
Reexamination Certificate
2006-09-07
2009-08-11
Wu, Daniel (Department: 2612)
Communications: electrical
Selective
Interrogation response
C340S010100, C340S539100, C340S539150, C340S539320, C340S572900, C342S165000, C342S011000, C342S013000, C342S042000, C342S045000, C343S786000, C343S841000, C343S907000, C343S910000, C343S91100R
Reexamination Certificate
active
07573369
ABSTRACT:
A directional warning system and a method of warning of friendly forces. In one embodiment, the system includes: (1) a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, (2) a Luneberg lens located within the conductive shield and (3) a plurality of feed horns located proximate a portion of the Luneberg lens that is distal from the opening and arranged relative thereto based on a zone-of-interest with which the directional warning system may be associated.
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Hayles, et al., “System and Method for Highly Directional Electronic Identification and Communication and Combat Identification System Employing the Same” U.S. Appl. No. 10/972,958, filed Oct. 25, 2004.
Hayles, Jr. Ralph E.
Moryl James A.
ATR Electronics, Inc.
Southwest Research Institute
Tang Son M
Wu Daniel
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