Embedded multiband antennas

Details Embedded multiband antennas Embedded multiband antennas

2007-03-06

2007-03-06

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S846000

Reexamination Certificate

active

10967408

ABSTRACT:
A compact sized embedded, multiband, multi-standard, interoperable antenna for portable devices used in wireless applications is provided. The antenna design includes an asymmetrical structure provided on a double-sided printed circuit board. The asymmetrical structure covers both the ultra-wideband and the wireless local area network band. The asymmetrical structure provided on the front side of the printed circuit board is a primary radiator with a supplement strip radiator, whereby the bottom of the primary radiator is close to the vertical ground plane and fed by a probe extended from a coaxial line. The asymmetrical structure on the front side provides a well-matched bandwidth covering the ultra-wideband band of 3.1 GHz to 10.6 GHz. A second supplement strip is provided on the backside of the printed circuit board which provides the second resonance at the 2.4 GHz wireless local area network band.

REFERENCES:
patent: 6700541 (2004-03-01), Konishi
patent: 6946997 (2005-09-01), Yuanzhu
patent: 2004/0056805 (2004-03-01), Chen

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