Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Reexamination Certificate
2007-12-29
2009-12-29
Nguyen, Hoang V (Department: 2821)
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
C343S702000, C343S895000
Reexamination Certificate
active
07639200
ABSTRACT:
An antenna includes a ground plane, a match portion, and a radiation portion. The ground plane is used for grounding. The match portion is parallel to the ground plane, and is connected to the ground plane. The radiation portion is connected to one end of the match portion, and extends upwardly with respect to the ground plane. The radiation portion can be a spiral element or a meandrous element. The radiation portion can also include a main body extending upwardly with respect to the ground plane, and a plurality of branches extending parallelly along a same direction from the main body.
REFERENCES:
patent: 5892490 (1999-04-01), Asakura
patent: 6674405 (2004-01-01), Wang
patent: 6906677 (2005-06-01), Yamamoto et al.
Chen Wen-Chun
Ko Hung-Chang
Kuo Po-Wei
Su Suo-Bing
Yang Chih-Yuan
Hon Hai Precision Industry Co. Ltd.
Nguyen Hoang V
Niranjan Frank R.
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