Layered antenna

Details Layered antenna Layered antenna

1996-04-03

1999-08-24

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

343770, H01Q 138, H01Q 1310

Patent

active

059430150

ABSTRACT:
The present invention provides a layered antenna (otherwise known as a flat-plate antenna) having a number of radiating elements (201), each radiating element comprising a first substantially rectilinear aperture (210), having a first pair of oppositely directed probes (220,222) extending into an area defined by the aperture with secondary apertures (212,214) arranged coextensive with and on opposite sides of the primary aperture, adjacent said first pair of probes, said secondary apertures operable to modify the beamwidth in a plane coextensive with said first pair of probes. There is also provided a method of receiving and transmitting signals by means of a layered antenna of this construction.

REFERENCES:
patent: 3031665 (1962-12-01), Marie
patent: 3165743 (1965-01-01), Hatkin
patent: 5061943 (1991-10-01), Rammos
patent: 5453751 (1995-09-01), Tsukamoto et al.
patent: 5499033 (1996-03-01), Smith
patent: 5559523 (1996-09-01), Smith et al.
patent: 5563613 (1996-10-01), Schroeder et al.

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