Asahi Glass Company, Limited

Agc Inc.

Mitsuro Watanabe

Kenichiro Shimo

Kenichi Ishii

Masaki Ito

Kazuyoshi Noda

Masato Kubota

Yasuhito Horie

There is provided a high frequency glass antenna for automobiles which is capable of having an improved antenna gain without changing the shape of a defogger. A defogger, an antenna conductor, a feeding portion for the antenna conductor, a grounding conductor, and a grounding-side feeding portion for the grounding conductor are disposed in or on a rear window glass sheet for automobiles, the defogger forms at least one portion of the grounding conductor; and the grounding-side feeding portion is electrically connected to the defogger.

High frequency glass antenna for automobiles

A glass antenna for an automobile improving antenna gain is provided. The glass antenna can receive two wavelength bands, that are a first wavelength band and a second wavelength band higher than the first wavelength band, and provided that the first wavelength band is designated as H band and the second wavelength band is designated as L band, antenna conductorsfor H band each having a shape and dimension configured to receive H band is provided on a rear glass platefor an automobile, and an antenna conductorfor L band having a shape and dimension configured to receive L band is provided on the rear window glass plate, the antenna conductorsfor H band and the antenna conductorfor L band constitute two types of antenna conductors, the antenna conductorfor L band has a portion extending in a predetermined direction, and provided that the portion is designated as a predetermined direction extending portion, the predetermined direction extending portionhas a detour portion

Glass antenna for an automobile

Growing community of inventors

Tokyo, Japan

Mitsuro Watanabe