Antenna for providing a dielectrically induced, directionally de

Details Antenna for providing a dielectrically induced, directionally de Antenna for providing a dielectrically induced, directionally de

1974-03-06

1976-03-23

Lieberman, Eli

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343102, 343891, H01Q 1906

Patent

active

039463966

ABSTRACT:
An antenna for providing a radiation pattern in which the phase of the emitted electromagnetic waves varies with direction from the antenna. The emitted electromagnetic waves propagate through a region, associated with the antenna, having dielectric properties which are a function of the direction of propagation. The varying dielectric properties result in a direction-dependent phase shift for the emitted electromagnetic waves. By providing a reference radiation pattern having a phase-shift independent of direction, the direction from the antenna can be determined by comparison of the phases of the reference and of the direction-dependent electromagnetic waves.

REFERENCES:
patent: 2404196 (1946-07-01), Seeley
patent: 2413085 (1946-12-01), Tiley
patent: 2599896 (1952-06-01), Clark et al.
patent: 2677766 (1954-05-01), Litchford
patent: 3246332 (1966-04-01), Waldman et al.
patent: 3434142 (1969-03-01), Andre et al.

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