Ultra wideband antenna

Communications: radio wave antennas – Antennas – Plural diverse-type antennas using same active element

Reexamination Certificate

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Details

C343S767000, C343S828000, C343S830000

Reexamination Certificate

active

07868838

ABSTRACT:
A wideband antenna includes a ground element comprising an upper first side, a first metal sheet a short arm connecting to the first side of the grounding element and a long arm separated from the first side, a second metal sheet electrically connecting to the first metal sheet, a third metal sheet perpendicular to the second metal sheet, and a slot between the first side of the ground element and the long arm of the first metal sheet; wherein said slot, said second metal sheet and said third metal sheet work together to form an ultra wide resonant frequency.

REFERENCES:
patent: 6861986 (2005-03-01), Fang et al.
patent: 7446717 (2008-11-01), Hung et al.

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