Axial mode helical antenna

Details Axial mode helical antenna Axial mode helical antenna

1987-09-10

1990-06-19

Hille, Rolf

Communications: radio wave antennas

Antennas

Spiral or helical type

343819, H01Q 136

Patent

active

049357476

ABSTRACT:
An axial mode helical antenna includes a metal belt member disposed around the reflector of the antenna in order to permit use of reduced diameter reflectors and, therefore, to produce a small helical antenna having increased directivity.

REFERENCES:
patent: 3573840 (1971-04-01), Gouillou
patent: 4012744 (1977-05-01), Greiser
patent: 4427984 (1984-01-01), Anderson
patent: 4516133 (1985-05-01), Matsumoto et al.
patent: 4742359 (1988-05-01), Ishino et al.

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