JPS5861508U

JPS5861508U - improved glass antenna

Info

Publication number: JPS5861508U
Application number: JP15622281U
Authority: JP
Inventors: 鳥居　毅嗣; 岡本　芳郎; 英雄伊藤; 中山　喜世志; 石井　建一; 久米　正温
Original assignee: トヨタ自動車株式会社
Priority date: 1981-10-22
Filing date: 1981-10-22
Publication date: 1983-04-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は、従来の自動車用ガラスアンテナの正面図、第
２〜１３図は、本考案の具体例に係る自動車用ガラスア
ンテナの正面図、第１４図は、本考案の自動車用ガラス
アンテナを組み込んだグイバージティーアンテナシステ
ムの概略図、第１５図は、実施例１に係る自動車用ガラ
スアンテナの正面図、第１６，１７図は実施例１の自動
車用ガラスアンテナについての指向特性図である。１；ガラス板、２；曇り除去用通電加熱ヒーター、３；
ヒーター線、４．　４ａ、　　４ｂ；ブスバー、５；第
１のアンテナ、６；第２のアンテナ、７；ガラスアン　
　　　、テナ、８；第１のアンテナのアンテナフィーダ
ー線接続用の給電点、９：第２のアンテナのアンテナフ
ィーダー線接続用の給電点、１０；上部余白部、１−１
：側部余白部、１３；下部余白部、１９；高　８周波チ
ョークコイル、２０；ラジオ受信機、２１゜２Ｆ’；高
周波増巾回路、２２；スイッチング回路。FIG. 1 is a front view of a conventional glass antenna for an automobile, FIGS. 2 to 13 are front views of a glass antenna for an automobile according to a specific example of the present invention, and FIG. 14 is a front view of a glass antenna for an automobile according to a specific example of the present invention. FIG. 15 is a schematic diagram of the incorporated guivergity antenna system, and FIG. 15 is a front view of the automotive glass antenna according to Example 1. FIGS. 16 and 17 are directional characteristic diagrams of the automotive glass antenna of Example 1. . 1; Glass plate, 2; Electric heating heater for defogging, 3;
Heater wire, 4. 4a, 4b; bus bar, 5; first antenna, 6; second antenna, 7; glass antenna
, tena, 8; Feeding point for connecting the antenna feeder line of the first antenna, 9: Feeding point for connecting the antenna feeder line of the second antenna, 10; Top margin, 1-1
: Side margin, 13; Lower margin, 19; High 8 frequency choke coil, 20; Radio receiver, 21°2F'; High frequency amplification circuit, 22; Switching circuit.

Claims

[Scope of utility model registration request]

(1) The upper or lower part of the defogging current heating heater of a glass plate for a rear window of an automobile, which is equipped with a defogging current heating heater that has multiple heater wires and a busbar that supplies power to the heater wires. Place the first antenna in the margin,
An improved glass antenna characterized in that a second antenna is provided in a side margin of the defogging current heating heater. ”

(2) The first antenna and the second antenna are each connected to a switching circuit, and the received signal from either the first antenna or the second antenna selected by the switching circuit is input to the radio receiver. An improved glass antenna as claimed in Claim 1 of the Utility Model Registration Claim.