Dual-band antenna

Details Dual-band antenna Dual-band antenna

2011-07-19

2011-07-19

Owens, Douglas W (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S829000, C343S846000

Reexamination Certificate

active

07982674

ABSTRACT:
A dual-band antenna has a feeding portion including a first feeding portion and a second feeding portion extending perpendicularly from a top of the first feeding portion. A first high-frequency portion spaced away from the second feeding portion extends upwards from the first feeding portion, and a second high-frequency portion extends perpendicularly from the first high-frequency portion and located at a same side with respect to the first feeding portion as the second feeding portion. A first low-frequency portion located at a same side with respect to the first feeding portion as the second high-frequency portion extends perpendicularly from an end of the first feeding portion. A second low-frequency portion extends upwards from the first low-frequency portion. A third low-frequency portion extends back to the first low-frequency portion from the second low-frequency portion. A grounding portion connected with the feeding portion by a connecting portion faces the low-frequency radiator.

REFERENCES:
patent: 6982675 (2006-01-01), Kwak et al.
patent: 7034754 (2006-04-01), Hung et al.
patent: 7342540 (2008-03-01), Nahar et al.
patent: 7450076 (2008-11-01), Lin et al.
patent: 7633448 (2009-12-01), Su et al.
patent: 2008/0007461 (2008-01-01), Su et al.
patent: 2008/0094293 (2008-04-01), Chang et al.
patent: 2008/0252533 (2008-10-01), Hung et al.

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