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Coplanar Antenna

Reference

84083-01

Patents status

French patent application FR9811251 filed on September 9th, 1998 Extensions: EP, US, JP, CA

Inventors

Bernard JECKO
Françoise JECKO

commercial status

Exclusive or non-exclusive licence Collaborative research

Laboratory

XLIM, CNRS
http://www.xlim.fr

Description

TECHNICAL DESCRIPTION

The aim of this invention is to propose a novel antenna which can take reduced dimensions with respect to the working wavelength not only in the horizontal plane but also in the vertical direction.

The two surfaces and the wire(s) or ublans for linking these surfaces are all coplanar.

Main Claim (1)

An antenna of the type comprising:
– a first electrically conductive surface,
– a second electrically conductive surface forming a ground plane parallel to the first electrically conductive surface,
– a first electrically conductive feed wire or strip, which links a first terminal of a generator/receiver to the first electrically conductive surface,
– a second electrically conductive feed wire or strip, which links a second terminal of a generator/receiver to the second electrically conductive surface, and
– at least one electrically conductive wire or strip, which links the first electrically conductive surface and the second electrically conductive surface,
wherein the first electrically conductive surface, the second electrically conductive surface, and said at least one electrically conductive wire or strip linking said first and second electrically conductive surfaces are all coplanar.

BENEFITS

–   Small overall size (coplanar, ~l/6) : low profile
–   Easy ways of matching the antenna and a generator
–   Can operate at all frequencies
–   Various possible manufacturing process

INDUSTRIAL APPLICATIONS

Antenna for               

–   Mobile communication systems (combining GSM, GPS…),
–   Telemetry applications,
–   Automotive applications…

For further information, please contact us (Ref 84083-01)

 


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