Communications: radio wave antennas – Antennas – With lumped reactance for loading antenna
Reexamination Certificate
2007-04-10
2007-04-10
Phan, Tho (Department: 2821)
Communications: radio wave antennas
Antennas
With lumped reactance for loading antenna
C343S715000, C343S860000
Reexamination Certificate
active
11218514
ABSTRACT:
A wide band mobile antenna assembly having a whip, a base defining a housing, an adaptor extending on top of the base above the housing, and a mounting element extending in the housing. The mounting element has two opposite PCB mounting side surfaces and two opposite coil mounting surfaces. A PCB is mounted on each of the corresponding PCB mounting side surfaces. A matching circuitry is integrated on the two PCBs. The matching circuitry has a conductor for connection to the whip when the whip is inserted in the adaptor, and a conductor for external cable connection. The matching circuitry has a series resonant network operatively connected to a parallel resonant network for increasing a bandwidth of the antenna assembly. The series and resonant networks each have a coil mounted to the corresponding coil mounting surface.
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Comprod Communications Ltd.
Lavin Gonzalo
Phan Tho
Robic
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