Surface mount antenna and communication apparatus including the

Details Surface mount antenna and communication apparatus including the Surface mount antenna and communication apparatus including the

1998-12-15

2000-10-17

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

343702, 343846, 343895, H01Q 138

Patent

active

061338818

ABSTRACT:
A surface mount antenna having a substrate made of at least one of a dielectric material and a magnetic material, the substrate having a substantially rectangular prism shape and including a first major surface and a second major surface; a ground electrode disposed on the first major surface of the substrate; a radiation electrode having a strip shape disposed at least on the second major surface of the substrate; a feeding electrode disposed on at least one surface of the substrate; and the radiation electrode including an open end portion and a plurality of grounded end portions, the open end portion being arranged close to the feeding electrode with a gap therebetween on the substrate, and the plurality of the grounded end portions being connected to the ground electrode on different portions of the substrate, respectively. The above described antenna has an enhanced gain without changes in size.

REFERENCES:
patent: 4367474 (1983-01-01), Schaubert et al.
patent: 5696517 (1997-12-01), Kawahata et al.
patent: 5748149 (1998-05-01), Kawahata et al.
patent: 5760746 (1998-06-01), Kawahata et al.
patent: 5854606 (1998-12-01), Kawahata et al.
patent: 5861854 (1999-01-01), Kawahata et al.
patent: 5867126 (1999-02-01), Kawahata et al.
patent: 5903240 (1999-05-01), Kawahata et al.

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