Antenna with absorptive radiation shield

Details Antenna with absorptive radiation shield Antenna with absorptive radiation shield

1995-12-26

2000-02-15

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With radio cabinet

343841, 343873, H01Q 124

Patent

active

060258047

ABSTRACT:
An antenna (100) includes a radiating element (202) covered with a protective jacket having at least one pocket selectively located therein. The at least one pocket (102) is filled with a material (105) having an absorptive index substantially higher than the index of the protective jacket (102). This material imposes substantial restriction to the free radiation of radio frequency energy. Conversely, the remainder of the jacket (102) with no pockets provides for the unrestricted radiation of the radio frequency energy therethrough. As a result the antenna (100) directionally radiates energy without the use of reflectors or additional radiating elements.

REFERENCES:
patent: 5507012 (1996-04-01), Luxon et al.

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