Planar antenna

Details Planar antenna Planar antenna

2006-09-07

2008-10-07

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S770000, C343S795000

Reexamination Certificate

active

07432870

ABSTRACT:
A planar antenna includes first and second radiation elements. A first partial periphery of the first radiation element and a second partial periphery of the second radiation element face each other at a uniform gap equal to or less than a tenth of the length of the first partial periphery. The first radiation element includes a third partial periphery parallel to a straight line for connecting the both ends of the first partial periphery, a feeding point at a central portion of the first partial periphery, and a slit having an opened end and a closed end. A distance from the feeding point to the opened end along the slit through the closed end is longer than a sum of a half of the first partial periphery and a longer one of the other two partial peripheries.

REFERENCES:
patent: 2004/0222936 (2004-11-01), Hung et al.
patent: 2007/0152881 (2007-07-01), Chan
patent: 2006-33069 (2006-02-01), None

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