Printed antenna structure

Details Printed antenna structure Printed antenna structure

2005-08-02

2005-08-02

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S7000MS, C343S745000

Reexamination Certificate

active

06924768

ABSTRACT:
The present invention discloses a printed antenna structure. The printed antenna structure comprises: a dielectric layer having opposed surfaces, a ground plane layer covered on the first surface of the dielectric layer, a feed-line extending over the second surface of the dielectric layer and connecting to a driving circuitry, a primary radiating element connected to the feed-line and not extending over to the ground plane layer, and a tuning element connected to the primary radiating element and not extending over to the ground plane layer for adjusting the radiating frequency. The timing element her comprises two stubs each having a free end spaced apart from each other and a fixed end connected to the primary radiating element so as to reduce the overall length of the printed antenna.

REFERENCES:
patent: 6008774 (1999-12-01), Wu
patent: 6747600 (2004-06-01), Wong et al.
patent: 2004/0017315 (2004-01-01), Fang et al.
patent: 2004/0027295 (2004-02-01), Huber et al.

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