Communications: radio wave antennas – Antennas – Microstrip
Patent
1992-10-23
1994-05-03
Hajec, Donald
Communications: radio wave antennas
Antennas
Microstrip
343841, H01Q 138
Patent
active
053091647
ABSTRACT:
A patch antenna having a dielectric substrate; a plurality of radiating patches on the substrate, each radiating patch including a plurality of spaced slots to suppress the radiation of energy that is polarized in a direction transverse to the direction of the desired polarization; a ground plane supported by the substrate in generally parallel and spaced relationship to the patches; a distribution network for transmitting and receiving signals within the antenna; and a plurality of probes within the substrate for coupling the radiating patches and the distribution network, one end of each probe being connected to the distribution network, and the other end of the probe being coupled to one of the radiating patches. In a preferred embodiment, a plurality of chokes are connected to the ground plane and associated with the patches to further suppress the radiation of energy having undesired polarization.
REFERENCES:
patent: 4125839 (1978-11-01), Kaloi
patent: 4291311 (1981-09-01), Kaloi
patent: 4370657 (1983-01-01), Kaloi
patent: 4686535 (1987-08-01), Lalezari
patent: 4692769 (1987-09-01), Gegan
patent: 5039994 (1991-08-01), Wash et al.
Dearnley Russell W.
Dienes Geza
Seal William W.
Andrew Corporation
Hajec Donald
Ho Tan
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