Communications: radio wave antennas – Antennas – Microstrip
Patent
1994-05-09
1996-09-10
Le, Hoanganh
Communications: radio wave antennas
Antennas
Microstrip
343846, 343853, H01Q 138, H01Q 2122
Patent
active
055549950
ABSTRACT:
A flat antenna comprising a ground substrate, a first insulating substrate formed on the ground substrate for electrical isolation, a feeding network substrate formed on the first insulating substrate, a second insulating substrate formed on the feeding network substrate for removal of a signal coupling, and a radiation element substrate formed on the second insulating substrate, wherein the ground substrate and the feeding network substrate are electrically isolated from each other by the first insulating substrate and the signal coupling between the feeding network substrate and the radiation element substrate are removed by the second insulating substrate. Therefore, according to the present invention, the reception frequency characteristic can be widened and the antenna body in which a multiplicity of antenna units are integrated has the multi-layered structure to prevent an undesired radiation and to remove the signal coupling between the components, resulting in an increase in universalization and reliability of the whole reception characteristic of the antenna.
REFERENCES:
patent: 5005019 (1991-04-01), Zaghloul
patent: 5181042 (1993-01-01), Kaise et al.
patent: 5187490 (1993-02-01), Ohta et al.
patent: 5278569 (1994-01-01), Ohta et al.
patent: 5287116 (1994-02-01), Iwasaki et al.
Goldstar Co. Ltd.
Le Hoang-anh
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