Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2008-09-24
2011-12-20
Duong, Dieu H (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S702000
Reexamination Certificate
active
08081120
ABSTRACT:
In a broadband antenna unit including a ground plate, an antenna element disposed in the vicinity of an end of the ground plate, and a dielectric substrate for mounting the antenna element therein, the antenna element includes a folded plate-shaped monopole antenna portion having a U-shape in cross section, a first conductive element extending from a first location of the folded plate-shaped monopole antenna portion, and a second conductive element extending from a second location of the folded plate-shaped monopole antenna portion. The antenna element is disposed on the side of one side edge of the ground plate. The broadband antenna unit has a feeding point between the ground plate and the antenna element that is disposed at a feeding position apart from the one side by a predetermined distance.
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Duong Dieu H
Holtz, Holtz, Goodman & Chick, P.C.
Mitsumi Electric Co. Ltd.
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