Multi-octave, low profile, full instantaneous azimuthal field of

Details Multi-octave, low profile, full instantaneous azimuthal field of Multi-octave, low profile, full instantaneous azimuthal field of

1995-05-24

1996-04-09

Hajec, Donald T.

Communications: radio wave antennas

Antennas

With grounding structure

343795, 343830, 343873, H01Q 148

Patent

active

055065929

ABSTRACT:
An antenna which comprises a plurality of spaced apart antenna segments (1-8) which are electrically isolated from each other and form a conical antenna structure, an insulator (9) disposed between each of the antenna segments, a plurality of conductors (11), each coupled to a different one of the antenna segments, for sampling a predetermined parameter at the associated antenna segment and a ground plane (10) normal to the axis of the conical structure. The antenna segments are substantially pie-shaped. In a second embodiment of the invention, the antenna segments are disposed on an electrically insulating sheet, each of the antenna segments being flared at the corner regions thereof (22) remote from the apex of the conical structure. The space between each of the segments is a slot, the slot operational as a slot antenna when the segments on opposing sides of the slot are excited 180 degrees out of phase.

REFERENCES:
patent: 3815141 (1974-06-01), Kigler
patent: 4162499 (1979-07-01), Jones, Jr. et al.
patent: 4414550 (1983-11-01), Tresselt
patent: 4814777 (1989-03-01), Monser
patent: 4879562 (1989-11-01), Stem et al.
patent: 5164738 (1992-11-01), Walter et al.
patent: 5185611 (1993-02-01), Bitter, Jr.
patent: 5229777 (1993-07-01), Doyle

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