Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1996-10-30
1999-04-27
Le, Hoanganh
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343795, 343807, H01Q 916
Patent
active
058984119
ABSTRACT:
A single element, multi-frequency dipole antenna including two substantially equal arm sections of conductive material extending co-axially in a straight line in opposite directions from each other, each arm section being a mirror image of the other arm section throughout its entire length, each arm section including at least two contiguous shorter sub-sections of j.sub.1, j.sub.2, . . . j.sub.n lengths, wherein j.sub.1 represents the length of the innermost sub-section, sub-sections terminated by discontinuities wherein j.sub.1 represents the 1/4 wavelength of the highest resonant frequency and each consecutive-integer sequence of j sub-sections represent the 1/4 wavelength of lower resonant frequencies.
REFERENCES:
patent: 2635187 (1953-04-01), Dorne
patent: 2688083 (1954-08-01), Hills
patent: 2967300 (1961-01-01), Haughawout
patent: 3089141 (1963-05-01), Odenwald
patent: 3239838 (1966-03-01), Kelleher
patent: 3302208 (1967-01-01), Hendrickson
Glabe John
McGaffigan Francis D.
Le Hoang-anh
Murphey John J.
Pacific Antenna Technologies, Inc.
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