Three-dimensional antenna structure

Details Three-dimensional antenna structure Three-dimensional antenna structure

2006-07-13

2008-10-21

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07439910

ABSTRACT:
A three-dimensional antenna structure suitable for being built in an electronic device includes a vertical patch, an annular patch and a ground patch. The vertical patch is suitable for generating a vertical current. One end of the annular patch is connected to the vertical patch, and the annular patch surrounds one side of the vertical patch for generating an annular current. An omni-directional radiation field is generated by the annular current and the vertical current. The annular patch has a feed point for electrically connecting to a signal source. One end of the ground patch is connected to the vertical patch. A distance exists between the end of the annular patch and the end of the ground patch. The other end of the ground patch has a shorting point next to the feed point and is suitable for electrically connecting to a ground.

REFERENCES:
patent: 2004/0090375 (2004-05-01), Dai et al.

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