Dual band patch antenna

Details Dual band patch antenna Dual band patch antenna

2006-07-04

2006-07-04

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S846000

Reexamination Certificate

active

07071880

ABSTRACT:
An antenna structure has a substrate, having a first-side surface and a second-side surface. A first antenna substructure on the first-side surface has a first straight metal line and a second straight metal line. The second straight metal line joins to the first straight metal line, and is substantially perpendicular to the first straight metal line. A second antenna substructure disposed on the second-side surface has a metal plate, serving as a ground, wherein the first straight metal line is overlapping with the metal plate. An L-shape metal line protrudes from the metal plate, wherein a portion of the L-shape metal line is parallel and overlapping with the second straight metal line, and a portion of the L-shape metal line is parallel to the first straight metal line without overlapping.

REFERENCES:
patent: 6801168 (2004-10-01), Yeh
patent: 6822610 (2004-11-01), Yeh
patent: 6850192 (2005-02-01), Yeh
patent: 2004/0017315 (2004-01-01), Fang et al.

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