Multi-layered multi-band antenna

Details Multi-layered multi-band antenna Multi-layered multi-band antenna

2006-05-30

2006-05-30

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07053837

ABSTRACT:
The present invention provides an multi-layered multi-band antenna used for a communication apparatus for a mobile communication service, comprising: a PCB having power supply and ground portions; an upper plane antenna separated from an upper plane of the PCB, the upper plane antenna consisting of a metal conductor having a predetermined pattern formed with a U-shaped slot; an intermediate plane antenna interposed between the upper plane antenna and the PCB in parallel with the upper plane antenna, the intermediate plane antenna consisting of a metal conductor having a predetermined pattern formed with a U-shaped slot; a power supply metal conductor having the one side connected to a power supply portion of the PCB and the other side connected to one side of the intermediate plane antenna; a ground metal conductor having the one side connected to a ground portion of the PCB and the other side connected to one side of the intermediate plane antenna; and a plurality of short-circuiting metal conductors interposed between the upper and intermediate plane antennas to short-circuiting the upper and intermediate plane antennas.

REFERENCES:
patent: 5307075 (1994-04-01), Huynh
patent: 5568155 (1996-10-01), Tsunekawa et al.
patent: 6650294 (2003-11-01), Ying et al.

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