Toroidal antenna

Details Toroidal antenna Toroidal antenna

1985-11-07

1986-11-11

Lieberman, Eli

Communications: radio wave antennas

Antennas

High frequency type loops

343744, H01Q 1114

Patent

active

046225587

ABSTRACT:
An electrically small, efficient electromagnetic structure, that may be used as an antenna or waveguide probe, having an electromagnetically closed, velocity-inhibiting conducting path, for supporting a standing, inhibited-velocity wave in response to the flow of an electrical current through the path and a process for establishing the standing wave. Use of the structure is particularly advantageous at the lower end of the electromagnetic spectrum, where various embodiments produce purely vertically polarized radiation in directional and omnidirectional patterns. Various embodiments of the structure include multiple conducting paths and image means to complete the conducting path.

REFERENCES:
patent: 3278937 (1966-10-01), Leydorf
patent: 3365721 (1968-01-01), Bittner
patent: 3646562 (1972-02-01), Acker et al.

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