JPS5933307U

JPS5933307U - Vehicle antenna mounting device

Info

Publication number: JPS5933307U
Application number: JP12925982U
Authority: JP
Inventors: 清岡　久麿
Original assignee: 原田工業株式会社
Priority date: 1982-08-27
Filing date: 1982-08-27
Publication date: 1984-03-01

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図は本考案の一実施例である車両アンテナ取付装置
の外観を示す斜視図、第２図は第１図の断面図、第３図
は本考案の整合回路の一例を示す回路図、第４図は整合
回路の回路常数を求めるスミスチャート図、第５図は整
合回路の他の例を示す回路図、第６図は種々の接地状態
における付属アンテナの反射損−共振周波数特性を示す
線図である。１・・・絶縁性筐体、２・・・コネクタ、３・・・マグ
ネット、６・・・給電ケーブル、Ｍ・・・整合回路。補正　昭５８．　７．２６実用新案登録請求の範囲を次のように補正する。 ■実用新案登録請求の範囲底部に開口端を有する中空の絶縁性筐体と、この筐体の
頂部に業務用またはアマチュア無線用ハンディトランシ
ーバ−の付属アンテナを着脱自在に接続可能な如く設け
られたコネクタと、前記筐体の側部に一端を取付は他端
を前記トランシーバ−に接続する給電ケーブルと、前記
筐体の内部空間に収納されかつ前記コネクタと前記ケー
ブルの一端との間に接続され前記付属アンテナのアンテ
ナインピーダンスと前記給電ケーブルの特性インピーダ
ンスとを整合させる整合回路と、前記筐体の底部開口端
に装着され車両の屋根に対し着脱自在に吸着するマグネ
ットとを具備したことを特徴とする車両用アンテナ取付
装置。図面の簡単な説明を次のように補正する。明細書第１１頁第１θ〜１２行の「種々の〜共振周波数
特性」を「種々の接続状態における付属アンテナの定在
波比−共振周波数特性」と補正する。FIG. 1 is a perspective view showing the appearance of a vehicle antenna mounting device that is an embodiment of the present invention, FIG. 2 is a sectional view of FIG. 1, and FIG. 3 is a circuit diagram showing an example of a matching circuit of the present invention. Figure 4 is a Smith chart diagram for determining circuit constants of a matching circuit, Figure 5 is a circuit diagram showing another example of a matching circuit, and Figure 6 is a reflection loss-resonant frequency characteristic of the attached antenna under various grounding conditions. It is a line diagram. DESCRIPTION OF SYMBOLS 1... Insulating housing, 2... Connector, 3... Magnet, 6... Power supply cable, M... Matching circuit. Amended 1984. 7.26 The scope of claims for utility model registration is amended as follows. ■ Scope of Utility Model Registration Claims A hollow insulating casing with an open end at the bottom, and an attached antenna of a handy transceiver for business or amateur radio can be detachably connected to the top of the casing. a connector, one end of which is attached to the side of the housing, and a power supply cable whose other end is connected to the transceiver; and a power supply cable that is housed in the internal space of the housing and is connected between the connector and one end of the cable. The vehicle is characterized by comprising a matching circuit that matches the antenna impedance of the attached antenna and the characteristic impedance of the power supply cable, and a magnet that is attached to the bottom open end of the casing and is detachably attracted to the roof of the vehicle. Vehicle antenna mounting device. The brief description of the drawing has been amended as follows. "Various ~resonant frequency characteristics" in lines 1θ to 12 of page 11 of the specification is corrected to "standing wave ratio-resonant frequency characteristics of the attached antenna in various connection states."

Claims

[Scope of utility model registration request]

A hollow insulating casing having an open end at the bottom, a connector provided on the top of the casing so that an attached antenna of an amateur radio handy transceiver can be detachably connected to the casing, and a side of the casing. a power supply cable whose one end is attached to the transceiver and whose other end is connected to the transceiver; and the antenna impedance of the attached antenna which is housed in the internal space of the housing and is connected between the connector and one end of the cable. A vehicle antenna mounting device comprising: a matching circuit that matches the characteristic impedance of a power supply cable; and a magnet that is attached to the bottom open end of the housing and is detachably attracted to the roof of the vehicle.