Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Reexamination Certificate
2009-05-22
2011-11-08
Mancuso, Huedung (Department: 2821)
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
Reexamination Certificate
active
08054238
ABSTRACT:
A balanced patched inverse F antenna comprises a radiation conductor and a balun circuit. The radiation conductor includes a main body, a first branch and a second branch. The balun circuit includes an unbalanced port, a balanced port, and first, second, third and fourth components, with the first, second, third and fourth components being serially connected. A feeding input of the unbalanced port is connected to the second and third components, a grounding wire of the unbalanced port is connected to the first and fourth components, an inverting terminal of the balanced port is connected to the first and second components, a non-inverting terminal of the balanced port is connected to the third and fourth components, and the inverting and non-inverting terminals are respectively connected to the first and second branches.
REFERENCES:
patent: 6459412 (2002-10-01), Koyanagi et al.
patent: 6549169 (2003-04-01), Matsuyoshi et al.
patent: 2009/0058751 (2009-03-01), Suh et al.
patent: 2009/0109104 (2009-04-01), Ide et al.
patent: 2009/0153415 (2009-06-01), Hsieh et al.
patent: 2010/0328185 (2010-12-01), Soler Castany et al.
King Anthony
Mancuso Huedung
Ralink Technology Corporation
WPAT, P.C.
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