Broad conical-mode helical antenna

Details Broad conical-mode helical antenna Broad conical-mode helical antenna

1996-12-19

1999-06-08

Wong, Don

Communications: radio wave antennas

Antennas

Spiral or helical type

H01Q 136

Patent

active

059107901

ABSTRACT:
In a helical antenna where a helical conductor is spirally wound on a coaxial cable, spacings between turns of the helical conductor are changed in accordance with the positions of the turns.

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Hall et al, The ARRL Antenna Book, The American Radio Relay League, Inc., pp. 12-9-12, 1983.
J. L. Wong et al., "Broadband Quasi-Taper Helica Antennas", IEEE Transactions on Antennas and Propagation, vol. AP-27, No. 1, Jan. 1979, pp. 72-78.
H. Nakano et al., "Frequency characteristics of tapered backfire helical antenna with loaded termination", IEE Proceedings, vol. 131, Pt. H, No. 3, Jun. 1984, pp. 147-152.
Noriyoshi Terada et al., "Conical Beam Bifilar Helical Antenna for Mobile Satellite Communications", IEICE Trans. on Antenna & Propagation, A .cndot.P91-38, pp. 19-24, 1991.

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