JPS63129309U

JPS63129309U -

Info

Publication number: JPS63129309U
Application number: JP2241887U
Authority: JP
Priority date: 1987-02-17
Filing date: 1987-02-17
Publication date: 1988-08-24

Description

[Brief explanation of the drawing]

第１図は、この考案に係るＴＶ受信用リアガラ
スアンテナの一実施例を示す全体構成図、第２図
は、この実施例の取付け状態を示す斜視図、第３
図はコンデンサ３０の取付け状態を示す斜視図、
第４図はコンデンサ３０の容量とＡＭ帯受信感度
の関係を示す特性図、第５図は、端子４６のバス
バ１６に対する取付け場所に応じた受信感度の変
化特性を示す図、第６図はこの考案の他の実施例
に係る要部の構成図、第７図は第６図に示した実
施例の変形例を示す要部の構成図である。１０……リアガラス、１２……デフオガ、１４
……ヒータ線、１６……バスバ、２４……直流電
源、３０……コンデンサ、３２……同軸ケーブル
、３４……芯線、３６……外被線、３８……アー
ス線、４０……インピーダンス整合器、４２……
ＴＶ受像器。 Fig. 1 is an overall configuration diagram showing one embodiment of a rear glass antenna for TV reception according to this invention, Fig. 2 is a perspective view showing the installed state of this embodiment, and Fig. 3 is a perspective view showing an installed state of this embodiment.
The figure is a perspective view showing the installation state of the capacitor 30,
FIG. 4 is a characteristic diagram showing the relationship between the capacitance of the capacitor 30 and the AM band reception sensitivity, FIG. FIG. 7 is a block diagram of the main parts of another embodiment of the invention, showing a modification of the embodiment shown in FIG. 10...Rear glass, 12...Defogger, 14
... Heater wire, 16 ... Bus bar, 24 ... DC power supply, 30 ... Capacitor, 32 ... Coaxial cable, 34 ... Core wire, 36 ... Sheath wire, 38 ... Earth wire, 40 ... Impedance matching Vessel, 42...
TV receiver.

Claims

[Scope of Claim for Utility Model Registration] (1) A defogger having a busbar that connects a large number of heater wires provided on the rear window of a vehicle and busbars connecting both ends of the heater wires, and supplying direct current to the heater wires through the busbars. a capacitor whose one end is electrically connected to the defogger; a coaxial cable whose core wire is connected to the other end of the capacitor and whose jacket wire is grounded;
A rear glass antenna for TV band reception characterized by having. (2) The rear glass antenna for TV band reception according to claim 1, wherein the defogger and the capacitor are electrically connected by direct connection. (3) The rear glass antenna for TV band reception according to claim 1, wherein one end of the capacitor is directly connected to the bus bar, and the connection position thereof can be changed. (4) The TV band according to claim 1 of the utility model registration claim, characterized in that the electrical connection between the defogger and the capacitor is performed by arranging a proximate wire in close proximity to the heater wire of the defogger. Rear glass antenna for reception. (5) AM/
A rear glass antenna for TV band reception according to any one of claims 1 to 4 of the utility model registration claim, characterized in that an antenna pattern for FM band reception is provided.