Dual band antenna allowing easy reduction of size and height

Details Dual band antenna allowing easy reduction of size and height Dual band antenna allowing easy reduction of size and height

2005-09-20

2005-09-20

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S752000

Reexamination Certificate

active

06946997

ABSTRACT:
A radiating conductor having first and second meandering portions and capacitive conductor portions is provided on a surface of a dielectric substrate perpendicularly provided on a grounding conductor plate. The first meandering portion and one of the capacitive conductor portions are locally opposed to each other to form a capacitive coupling portion. The first meandering portion receives high-frequency power through its bottom end. The second meandering portion is formed to have a smaller pitch than the first meandering portion, and continues to the upper end of the first meandering portion. One capacitive conductor portion formed on a front surface continues to the upper end of the second meandering portion, while the other capacitive conductor portion is formed on a back surface and connected with the former capacitive conductor portion via through holes.

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patent: WO 02/060006 (2002-08-01), None

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