Electrically projectable telescopic rod antenna, particularly fo

Communications: radio wave antennas – Antennas – Rod type

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H01Q 110, H01Q 132

Patent

active

046332669

ABSTRACT:
To simplify the construction of a telescopic antenna which is projected and retracted, respectively, by a flexible wire, a rotatable wind-up drum (10) is formed with an inner space (17) to provide for wind-up of the flexible wire, the inner space, likewise, retaining a gear ring (20) in which gear projections (41) of the wire are engaged. The wire, preferably, is an elastic plastic wire element, coupled to the projecting telescoping element (A2) of a telescoping antenna (A), the drum (10) being driven by a motor (35) which receives rotation coupled thereto by a worm drive (29-34).

REFERENCES:
patent: 2581171 (1952-01-01), Carlson
patent: 4300141 (1981-11-01), Carolus et al.
Automatic-Antennen Auta 6000 EL . . . Hirschmann, p. 15.

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