JPS5864107U

JPS5864107U - New automotive glass antenna

Info

Publication number: JPS5864107U
Application number: JP15622681U
Authority: JP
Inventors: 鳥居　毅嗣; 岡本　芳郎; 英雄伊藤; 中山　喜世志; 健一石井; 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: 1983-04-30

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
２〜７図は本考案に係る自動車用ガラスアンテナの正面
図、第８図は、本考案の自動車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９図
は、実施例に係る自動車用ガラスアン、テナの正面図、
第１０．１１図は、実施例の自動車用ガラスアンテナの
指向特性図である。１１．３１ニガラス板、１２．　２６：曇り除去用通電
加熱ヒーター、１３．２２：主アンテナ、１４：ｌニー
−ター線、１５．１５ａ、１５ｂ、２７゜２７ａ、２７
ｂ：ブスバー、１６：引き出し線、１８゜２５：従アン
テナの給電点、１９．　２４：主アンテナの給電点、２
１ニガラスアンテナ。FIG. 1 is a front view of a conventional glass antenna for an automobile, FIGS. 2 to 7 are front views of a glass antenna for an automobile according to the present invention, and FIG. 8 is a diversity antenna incorporating the glass antenna for an automobile according to the present invention. A schematic diagram of the system, FIG. 9 is a front view of the automotive glass door and tena according to the embodiment,
FIG. 10.11 is a directional characteristic diagram of the automotive glass antenna of the example. 11.31 Nigarasu plate, 12. 26: Electric heating heater for defogging, 13.22: Main antenna, 14: l niter wire, 15.15a, 15b, 27° 27a, 27
b: bus bar, 16: lead-out line, 18° 25: feed point of slave antenna, 19. 24: Main antenna feeding point, 2
1 Nigaras antenna.

Claims

[Scope of utility model registration request]

(1) A main antenna is provided on a glass plate for a rear window of an automobile, and an energizing heater for defogging is provided which is separate from the main antenna and has a large number of heater wires and a bus bar that feeds power to the heater wires, and A feeding point for connecting an antenna feeder line is provided on the bus bar directly or via a lead wire, and the defogging energizing heater is a slave antenna having a directionality different from that of the main antenna. A new glass antenna for automobiles.

(2) The main antenna and the slave antenna are each connected to a switching circuit, and the reception signal of either the main antenna or the slave antenna selected by the switching circuit is input to the radio receiver. A glass antenna for an automobile according to claim 1 of the utility model registration claim.

(3) Utility model registration claim 1, which is characterized in that a main antenna is provided on the upper part of a glass plate for a rear window of an automobile, and a sub-antenna is provided below the main antenna separately from the main antenna. A novel glass antenna for automobiles as described in .

(4) Utility model registration claim 1, characterized in that a main antenna is provided at the bottom of a glass plate for a rear window of an automobile, and a sub-antenna is provided above the main antenna, separate from the soil antenna. A novel glass antenna for automobiles as described in .

(5) The automotive glass antenna according to claim 1, characterized in that the main antenna has a left-right asymmetric pattern.

(6) Utility model registration claim No. 1, characterized in that one of the busbars of the energizing heater for defogging is divided into two parts, and a power supply lead wire can be connected to each of the upper and lower divided busbars. The automotive glass antenna according to item 1.

(7) A utility model registration request characterized in that the main antenna has a left-right asymmetrical pattern, and the feeding point for connecting the antenna feeder line of the main antenna is provided on either the left or right side of the glass plate. A glass antenna for an automobile according to scope 1.