FIELD: radio engineering.
SUBSTANCE: according to invention, discone antenna consists of conductive disc and conductive cone, which are made of movable and fixed tubes. In order to install discone antenna on telescopic tower, the antenna has upper and lower attachment points, which are located at the top and at the bottom of the cone. Upper point will be fixed at the top of telescopic tower, and lower point in deployed position of antenna is installed on the section of telescopic tower, which is the second one from above. Also discone antenna has guides, system of rods and retention mechanism for automatic deployment and retraction of antenna on telescopic tower. At that, the drive which provides discone antenna deployment and retraction is telescopic tower itself. Movement of tower induces movement of antenna, additional drive mechanisms are not required.
EFFECT: quick and effective deployment and retraction of discone antenna having the height of about several metres, and the whole antenna-tower device in general.
4 dwg
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Authors
Dates
2010-04-10—Published
2008-09-10—Filed