Communications: radio wave antennas – Antennas – With support for antenna – reflector or director
Patent
1977-11-17
1979-12-18
Lieberman, Eli
Communications: radio wave antennas
Antennas
With support for antenna, reflector or director
343787, H01Q 152
Patent
active
041797000
ABSTRACT:
A method and apparatus for controlling reradiation from conductors, such as guy wires, by controlling the current distribution on the conductors, is provided. The invention comprises a cylindrical annular shaped sleeve that is positioned at predetermined distances along an electrically conducting structure to eliminate the reradiation caused by electromagnetic waves. The sleeve is made of a high magnetic permeability material, and a plurality of sleeves is positioned at predetermined spaced-apart distances along the conductor. The predetermined positioning of the sleeve renders the conductor electrically equivalent to a plurality of discrete cable lengths separated by insulators.
REFERENCES:
patent: 2594890 (1978-08-01), Ellwood
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