Directional antenna system with electronically controllable swee

Details Directional antenna system with electronically controllable swee Directional antenna system with electronically controllable swee

1979-03-23

1981-08-25

Blum, Theodore M.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343854, H04B 700

Patent

active

042862671

ABSTRACT:
A directional antenna system with electronically controllable sweep of the beam comprising a radiator arrangement facing toward a reflector and including a switching and control apparatus connected to the radiator and in which very rapid sweeps of the beam direction can be accomplished with high precision and utilizing a large plurality of individual radiators arranged in a matrix with rows and columns and wherein the control and switching apparatus selectively actuates particular ones of the individual radiators such that switching between different groups of radiators causes a change in the beam direction due to the spatial change in position relative to the primary radiator.

REFERENCES:
patent: 3276018 (1966-09-01), Butler
patent: 3534365 (1970-10-01), Korvin et al.
patent: 3541565 (1970-11-01), Zisler
patent: 3569976 (1971-03-01), Korvin et al.
patent: 3806932 (1974-04-01), Dietrich et al.
Ultra-Low Sidelobes From Time-Modulated Arrays, IEEE Transactions on Antennas & Propagation, pp. 633-637.
Radar Handbook, M. Skolnik, 1970, McGraw-Hill Book Co., pp. 6 & 7, Chapter 11.
Step-Scanned Circular-Array Antenna, IEEE Transactions on Antennas & Propagation, vol. AP-18, No. 5, Sep. 70, pp. 590-595.
Contributions, IEEE Transactions on Antennas and Propagation, vol. AP-14, No. 3, May 66, pp. 260-266.

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