On-vehicle windowpane antenna apparatus

Details On-vehicle windowpane antenna apparatus On-vehicle windowpane antenna apparatus

1997-05-06

1999-09-07

Wong, Don

Communications: radio wave antennas

Antennas

With vehicle

H01Q 132

Patent

active

059493810

ABSTRACT:
A on-vehicle windowpane antenna apparatus according to the present invention is mounted on a windowpane of a vehicle. The apparatus includes a rectangular loop formed of a first long and narrow conductor, and a composite line formed of a second long and narrow conductor arranged in parallel with one of short sides of the rectangular loop. The apparatus also includes means for causing the apparatus to serve as a circularly polarized antenna which emits a circularly polarized wave in a direction perpendicular to a plane where the rectangular loop including the composite line is formed, and which is capable or receiving a GPS wave.

REFERENCES:
patent: 3906514 (1975-09-01), Phelan
patent: 3956752 (1976-05-01), Phelan et al.
patent: 5079560 (1992-01-01), Sakurai et al.
patent: 5526007 (1996-06-01), Murakami et al.
patent: 5581264 (1996-12-01), Tabata et al.
patent: 5659324 (1997-08-01), Taniguchi et al.

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