Non-squinting end-fed quadrifilar helical antenna

Details Non-squinting end-fed quadrifilar helical antenna Non-squinting end-fed quadrifilar helical antenna

1996-04-26

1998-02-24

Hajec, Donald T.

Communications: radio wave antennas

Antennas

Spiral or helical type

343749, H01Q 136

Patent

active

057215570

ABSTRACT:
A nonsquinting end-fed quadrifilar helical antenna is provided. Each conductor of the antenna is fed with a successively delayed phase representation of the input signal to optimize transmission characteristics. Each of the conductors is separated into a number Z of discrete conductor portions by Z-1 capacitive discontinuities. The addition of the capacitive discontinuities results in the formation of an antenna array. The end result of the antenna array is a quadrifilar helical antenna which is nonsquinting (radiates in a given direction independently of frequency).

REFERENCES:
patent: 2712602 (1955-07-01), Hallen
patent: 2985878 (1961-03-01), Krause et al.
patent: 3427624 (1969-02-01), Wanselow et al.
patent: 3568205 (1971-03-01), Buxton et al.
patent: 3573840 (1971-04-01), Gouilliou et al.
patent: 3946397 (1976-03-01), Irwin
patent: 4011567 (1977-03-01), Ben-Dov
patent: 4092646 (1978-05-01), Newington
patent: 4238800 (1980-12-01), Newington
patent: 4554554 (1985-11-01), Olesen et al.
patent: 5032950 (1991-07-01), Lavene
patent: 5371650 (1994-12-01), Lavene
Ellioh et al, "IEEE Standard Definitions of Terms for Antennas", 1983, p27.
IEEE Transactions on Antennas and Propagation vol. 16 No. 4 Jul. 1968 pp. 491-493.

Affiliated with

Also associated with

Rating

Non-squinting end-fed quadrifilar helical antenna does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Non-squinting end-fed quadrifilar helical antenna, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-squinting end-fed quadrifilar helical antenna will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1877521