WINDOW GLASS AND ANTENNA FOR VEHICLE

Title:

WINDOW GLASS AND ANTENNA FOR VEHICLE

Document Type and Number:

WIPO Patent Application WO/2012/073790

Kind Code:

A1

Abstract:

A window glass for a vehicle comprising a glass plate (11), a dielectric (12), a conducting layer (13), and an antenna conductor (17) having an electrode (16) provided to a surface opposite the conducting layer (13) of the dielectric (12), wherein a slot (23) where a first end part opens at a margin (13a) of the conducting layer (13) is formed in the conducting layer (13), the antenna conductor is positions so that the electrode (16) does not overlap with the conducting layer (13) when the electrode is projected to the glass plate (11) side, the window glass for a vehicle has a looped antenna element (15) with the electrode (16) as the feeding point, and the looped antenna element (15) is provided to form an intersecting part (26) where the looped antenna element intersects with the slot (23) when projected to the glass plate (11) side.

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Inventors:

KAGAYA OSAMU (JP)
SUENAGA KOTARO (JP)
IKAWA KOJI (JP)

Application Number:

PCT/JP2011/077090

Publication Date:

June 07, 2012

Filing Date:

November 24, 2011

Export Citation:

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Assignee:

ASAHI GLASS CO LTD (JP)
KAGAYA OSAMU (JP)
SUENAGA KOTARO (JP)
IKAWA KOJI (JP)

International Classes:

H01Q7/00; H01Q1/32; H01Q13/10

Domestic Patent References:

WO2010047214A1

2010-04-29

Foreign References:

JP2001185928A	2001-07-06
JP2000114839A	2000-04-21
JPH0645817A	1994-02-18
JPH09175166A	1997-07-08
JP2000059123A	2000-02-25
US5012255A	1991-04-30
JP2010267532A	2010-11-30

Other References: