JPS5864109U

JPS5864109U - automotive glass antenna

Info

Publication number: JPS5864109U
Application number: JP15622881U
Authority: JP
Inventors: 鳥居　毅嗣; 英雄伊藤; 一男高山; 治憲村上; 健一石井
Original assignee: トヨタ自動車株式会社
Priority date: 1981-10-22
Filing date: 1981-10-22
Publication date: 1983-04-30

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
２〜２０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２１図は、本考案の自動車用ガラス
アンテナを組み込んだダイパーシティ−アンテナシステ
ムの概略図、第２２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２３．２４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オ１５旧才ｌ乙図FIG. 1 is a front view of a conventional glass antenna for an automobile, FIGS. 2 to 20 are front views of a glass antenna for an automobile according to a specific example of the present invention, and FIG. 21 is a front view of a glass antenna for an automobile according to a specific example of the present invention. 22 is a front view of the automobile glass antenna according to the first embodiment, and FIGS. 23 and 24 are directional characteristics diagrams of the automobile glass antenna according to the first embodiment. 1; Glass plate, 2; Electric heating heater for defogging, 3;
Heater wire, 4. 4a, 4b; busbar, 5; 1st o 15 old figure

Claims

[Scope of utility model registration request]

(1) In the blank area of the energizing heater for defogging of a glass plate for a rear window of an automobile equipped with an energizing heater for defogging which has a large number of heater wires and a busbar for feeding power to the heater wires. In a glass antenna for an automobile in which a first antenna is provided and a second antenna is provided in a lower margin, both the first antenna and the second antenna are arranged in a bilaterally symmetrical antenna pattern with respect to the longitudinal center line of the automobile. At the same time, a switching circuit is connected to the first antenna and the second antenna, and a received signal from either the first antenna or the second antenna selected by the switching circuit is input to the radio receiver. A glass antenna for automobiles that is characterized by a similar structure.

(2) The automobile according to claim 1 of the utility model registration claim, characterized in that the first antenna and the second antenna are arranged separately from the energizing heater for defogging with an interval of 2 crIL or more. glass antenna.

(3) Either one of the first antenna or the second antenna and the defogging energizing heater are separated and arranged at an interval of 0.1 cIn-1.0 cTL so that high frequency current can be transmitted and received. A glass antenna for an automobile according to claim 1 of the utility model registration claim, characterized in that:

(4) The glass antenna for an automobile according to claim 1, wherein either one of the ml antenna and the second antenna is directly connected to an energizing heater for defogging.

(5) A glass antenna for an automobile according to claim 1 of the utility model registration, characterized in that the antenna patterns of the first antenna and the second antenna are different from each other.

(6) Utility model registration claim 1, characterized in that one of the busbars of the energizing heater for defogging is divided into two, and a power supply lead wire is connected to each of the upper and lower divided busbars. car glass antenna.