Telescopic antenna extended by coaxial cable feed

Details Telescopic antenna extended by coaxial cable feed Telescopic antenna extended by coaxial cable feed

1984-06-25

1987-03-03

Lieberman, Eli

Communications: radio wave antennas

Antennas

Active sleeve surrounds feed line

343903, H01Q 110

Patent

active

046479414

ABSTRACT:
A plural band telescopic antenna, including an added band much higher than the frequencies of the AM/FM band, is realized by making one telescopic section into a center-fed, high frequency antenna and using its coaxial cable feed line for also coupling mechanical extension and retraction forces to that section.

REFERENCES:
patent: 2350866 (1944-06-01), Barth
patent: 2538885 (1951-01-01), Schumann
patent: 3158865 (1964-11-01), McCorkle
patent: 4476576 (1984-10-01), Wheeler et al.

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