Microstrip antenna and a device including said antenna

Details Microstrip antenna and a device including said antenna Microstrip antenna and a device including said antenna

1998-12-11

2000-09-19

Le, Hoanganh

Communications: radio wave antennas

Antennas

Microstrip

343846, H01Q 138

Patent

active

061219304

ABSTRACT:
A quarter-wave antenna includes a patch and a ground respectively formed on the two surfaces of a substrate and mutually connected by a short-circuit. A coupling strip enters the patch via said short-circuit. It extends in the patch between two lateral slots and is connected thereto at an internal point to enable resonance of the antenna to be excited. According to the invention, the lateral slots are sufficiently narrow for a lateral coupling effect to contribute to excitation of the antenna from the edges of the strip. The invention applies in particular to mobile telephones.

REFERENCES:
patent: 5903240 (1999-05-01), Kawahata et al.
patent: 5952975 (1999-09-01), Pedersen et al.
T. D. Ormiston et al, "Microstrip Short-Circuit Patch Design equations", Microwave and Optical Technology Letters, vol. 16, No. 1, Sep. 1997, pp. 12-14.

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