Miniature planar notch antenna using microstrip feed line

Communications: radio wave antennas – Antennas – Slot type

Reexamination Certificate

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Details

C343S767000

Reexamination Certificate

active

07132991

ABSTRACT:
A miniature antenna for various wireless communication applications in the ISM band around 2.45 GHz is provided. The miniature antenna mainly contains a bended planar notch antenna with a metallic stub as a capacitive load. A microstrip feed line is also appropriately bended so as to achieve a significant reduction of the antenna's dimension. The miniature antenna could be implemented using simple manufacturing processes on a common circuit board without mechanical work or advanced processes such as low temperature co-fired ceramics. The antenna has a comparable performance to those antennas having much larger dimensions.

REFERENCES:
patent: 4587524 (1986-05-01), Hall
patent: 5194875 (1993-03-01), Lucas
patent: 2005/0206572 (2005-09-01), Apostolos

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