Multiband antenna

Details Multiband antenna Multiband antenna

2011-04-19

2011-04-19

Choi, Jacob Y (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S826000, C343S828000, C343S846000

Reexamination Certificate

active

07928912

ABSTRACT:
A multiband antenna includes a long radiating branch, a short radiating branch, a short strip, a feed point, a grounding portion, a connecting portion, a long parasitic strip, and a short parasitic strip. The feed point, the long radiating branch, the short radiating branch, and the short strip are in a first plane. The grounding portion connects to the short strip. The connecting portion connects the long radiating branch, the short radiating branch, and the short strip. The long radiating branch, the short strip, and the connecting portion form a first inverted-L shaped antenna structure. The short radiating branch, the short strip, and the connecting portion form a second inverted-L shaped antenna structure. The long parasitic strip and the short parasitic strip are in a second plane and respectively connected to the grounding portion. The first plane is parallel to the second plane.

REFERENCES:
patent: 6697023 (2004-02-01), Tiao-Hsing et al.

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