Multi-frequency wire-plate antenna

Communications: radio wave antennas – Antennas – Slot type

Reexamination Certificate

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C343S702000, C343S846000

Reexamination Certificate

active

07038631

ABSTRACT:
The invention relates to an antenna comprising: a first electroconductive surface; a second electroconductive surface which forms a ground plane and is parallel to the first; a first electroconductive feed belt or wire connecting a first terminal of a generator/receiver to the first surface, the second surface being connected to the second terminal of the generator/receiver, and at least one second electroconductive wire or ribbon connecting said two surfaces. The antenna is characterized in that the first surface comprises a blank, or a series of blanks, each blank optionally consisting of mutually extending sections. Said blank(s) extend in the vicinity of and along part of the edge of the first surface2which is broad enough for the blank(s) to define an inner area of the first surface by substantially forming a majority of the periphery of this area, thereby obtaining a multi-frequency wire-plate operation.

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Viratelle, D. et al, “Dual-band printed Antenna for mobile telephone applications,” IEE Proceedings H. Microwaves, Antennas & Propagation, Institution of Electrical Engineers, Stevenage, GB, vol. 147, No. 5, Oct. 10, 2000, pp. 381-384.
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