System and method for highly directional electronic identification and communication and combat identification system employing the same
First Claim
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1. An antenna for directional electronic communication, comprising:
- a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, wherein said radio frequency absorptive material and said conductive shield are longitudinally and annularly coextensive;
a Luneberg lens located within said conductive shield; and
a radio frequency signal conveyor located proximate a portion of said Luneberg lens that is distal from said opening.
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Abstract
An antenna for directional electronic communication and a directional communication system are provided. In one embodiment, the antenna 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 said conductive shield and (3) a radio frequency signal conveyor located proximate a portion of said Luneberg lens that is distal from said opening.
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Citations
20 Claims
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1. An antenna for directional electronic communication, comprising:
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a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, wherein said radio frequency absorptive material and said conductive shield are longitudinally and annularly coextensive; a Luneberg lens located within said conductive shield; and a radio frequency signal conveyor located proximate a portion of said Luneberg lens that is distal from said opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A directional communication system, comprising:
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a base station having an antenna including; a conductive shield having an opening at an end thereof and a radio frequency absorptive material located on an inner surface thereof, wherein said radio frequency absorptive material and said conductive shield are longitudinally and annularly coextensive, a Luneberg lens located within said conductive shield, and a radio frequency signal conveyor located proximate a portion of said Luneberg lens that is distal from said opening; and a transceiver configured to receive signals from said antenna based on a direction relative thereto. - View Dependent Claims (20)
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Specification