Miniaturized CPW-FED slot antenna with dual-frequency operation

Details Miniaturized CPW-FED slot antenna with dual-frequency operation Miniaturized CPW-FED slot antenna with dual-frequency operation

2006-04-25

2006-04-25

Dinh, Trinh Vo (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S7000MS, C343S770000, C343S742000

Reexamination Certificate

active

07034763

ABSTRACT:
A slot antenna includes a substrate with a metal ground plate on one side thereof and a plurality of rectangular slots are etched in an inner periphery of the ground plate. An opening is defined in one side of the ground plate and a metal feedline is located on the substrate and located close to the opening. The feedline includes a plurality of sub-sections extending within the slot and at least two matching stubs are formed on the feedline and a sub-ground plate is connected to the ground plate and located in the slot. A plurality of metal floating stubs are attached to the rear side of the substrate. When viewing from the front side of the substrate, the floating stubs are connected across the ground plate and at least one of the matching stubs. The antenna is miniaturized and includes dual-frequency operation.

REFERENCES:
patent: 6278410 (2001-08-01), Soliman et al.
patent: 2001/0050651 (2001-12-01), Grangeat et al.

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