Asahi Glass Company, Limited

Agc Inc.

Koji Tabata

Tsuyoshi Yamamoto

Koichi Saito

Noboru Hasegawa

Kiyoshi Oshima

Kiyoshi Nobuoka

Yasuhiro Koga

Soutarou Kitade

Sotaro Kitade

Hiroyuki Nakamizo

Yohei Komatsu

A glass antenna includes a shared antenna conductor which meets a first frequency band and a second frequency band higher than the first frequency band and a feeding part connected to the shared antenna conductor. The shared antenna conductor includes a first element extended from the feeding part as a starting point and a second element extended from the first element as a starting point. At least a part of the first element and the second element configure a semi-loop form. When a wavelength in air in a central frequency of the second frequency band is &#x3bb;, a glass shortening coefficient of wavelength is kand &#x3bb;=&#x3bb;&#xb7;k, a conductor length of the first element is 0.65 &#x3bb;or higher and 1.0 &#x3bb;or lower, and the shortest distance between a defogger provided in window glass and the shared antenna conductor is 15 mm or longer.

Glass antenna for vehicle and window glass for vehicle

A glass antenna for a vehicle that has a first element elongated in a first direction, a second element elongated in a second direction, a third element including first, second and third partial elements that are each elongated in specific directions, and a fourth element elongated in the second direction but detours the second element in the second direction.

Glass antenna and window glass for vehicle

A glass antenna for a vehicle on or in a window glass including a defogger having a plurality of heater wires that run in parallel, the glass antenna includes: an antenna conductor; a first feeding portion; and a second feeding portion adjacent to the first feeding portion, wherein: the antenna conductor includes a first antenna conductor, which extends clockwise with the first feeding portion as a starting point, and a second antenna conductor, which extends counterclockwise at the outside of the first antenna conductor with the second feeding portion as a starting point; and the second antenna conductor includes a first element extending between the first antenna conductor and the defogger.

A glass antenna for a vehicle includes a first to fourth elements, a connection element and a first and second feeding portions. The first element is elongated from the first feeding portion in a first direction. The second element is elongated from the first element in a second direction. The third element includes: a first partial element which is elongated from the first element in a third direction; a second partial element which is elongated from the first partial element in a fourth direction; and a third partial element which is elongated from the second partial element. The fourth element is elongated from the second feeding portion in the second direction, and detours the second element in the second direction, on a side of the second direction to be elongated in the third direction. The connection element connects the fourth element to a defogger.

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Tokyo, Japan

Koji Tabata