Multi-band antenna of compact size

Details Multi-band antenna of compact size Multi-band antenna of compact size

2008-05-20

2008-05-20

Dinh, Trinh V (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S702000, C343S803000, C343S764000, C343S765000

Reexamination Certificate

active

07375689

ABSTRACT:
A multi-band antenna of compact size includes a conductor of uniform cross-section folded to form the antenna with a connection portion, a low-frequency first radiation portion, and a high-frequency second radiation portion. The connection portion has a feeding point for signal feeding. The first and second radiation portions connect to two ends of the connection portion. The first radiation portion is folded along two different planes to form three main sections. The second radiation portion is folded along a plane to form two sections. A terminal section of the first radiation portion and a terminal section of the second radiation portion are parallel, such that radiation of these two sections is coupled to enhance radiation characteristics of the antenna. Also, the folded structure helps to achieve compact size of the antenna.

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