Multi-beam antenna

Details Multi-beam antenna Multi-beam antenna

2000-11-20

2002-07-23

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Antenna components

C343S754000, C343S753000

Reexamination Certificate

active

06424319

ABSTRACT:

BRIEF DESCRIPTION OF THE DRAWINGS
In the accompanying drawings:
FIG. 1
illustrates a top view of a first embodiment of a multi-beam antenna comprising an electromagnetic lens;
FIG. 2
illustrates a side cross-section of the embodiment of
FIG. 1
;
FIG. 3
illustrates a side cross-section of the embodiment of
FIG. 1
incorporating a truncated electromagnetic lens;
FIG. 4
illustrates a side cross-section of an embodiment illustrating various locations of a dielectric substrate, relative to an electromagnetic lens;
FIG. 5
illustrates an embodiment wherein each antenna feed element is operatively coupled to a separate signal;
FIG. 6
illustrates an embodiment wherein the switching network is separately located from the dielectric substrate;
FIG. 7
illustrates a top view of a second embodiment of a multi-beam antenna, comprising a plurality electromagnetic lenses located proximate to one edge of a dielectric substrate;
FIG. 8
illustrates a top view of a third embodiment of a multi-beam antenna, comprising a plurality electromagnetic lenses located proximate to opposite edges of a dielectric substrate;
FIG. 9
illustrates a side view of the third embodiment illustrated in
FIG. 8
, further comprising a plurality of reflectors;
FIG. 10
illustrates a fourth embodiment of a multi-beam antenna, comprising an electromagnetic lens and a reflector; and
FIG. 11
illustrates a fifth embodiment of a multi-beam antenna.


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