Dual band antenna with increased sensitivity in a horizontal...

Details Dual band antenna with increased sensitivity in a horizontal... Dual band antenna with increased sensitivity in a horizontal...

2005-07-05

2005-07-05

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

06914565

ABSTRACT:
A dual band antenna contains a first radiating conductor plate disposed substantially parallel to a grounding conductor, a power-supplying conductor plate extending downwards from the first radiating conductor plate, a connecting conductor plate for connecting the first radiating conductor plate to the grounding conductor, a second radiating conductor plate provided upright beneath the first radiating conductor plate and having a substantially wedge-shaped, elastically deformable portion, and a synthetic resin adjusting screw threaded to the first radiating conductor plate for depressing the top portion of the second radiating conductor plate downwards. The first and second radiating conductor plates resonate at first and second frequencies respectively (with f2>f1). The gap between the second radiating conductor plate and the first radiating conductor plate can be changed.

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