JPS5826207U - Mobile radio system antenna device - Google Patents

Mobile radio system antenna device

Info

Publication number
JPS5826207U
JPS5826207U JP11972281U JP11972281U JPS5826207U JP S5826207 U JPS5826207 U JP S5826207U JP 11972281 U JP11972281 U JP 11972281U JP 11972281 U JP11972281 U JP 11972281U JP S5826207 U JPS5826207 U JP S5826207U
Authority
JP
Japan
Prior art keywords
antenna element
mobile radio
radio system
antenna device
system antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11972281U
Other languages
Japanese (ja)
Inventor
泰彦 藤田
布施　庄司
大庭　良平
Original Assignee
日本電信電話株式会社
株式会社東芝
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電信電話株式会社, 株式会社東芝 filed Critical 日本電信電話株式会社
Priority to JP11972281U priority Critical patent/JPS5826207U/en
Publication of JPS5826207U publication Critical patent/JPS5826207U/en
Pending legal-status Critical Current

Links

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の移動通信システムの概略構成図、第２図
は本考案の一実施例におけるアンテナ装置の概略構成図
、第３図は第２図に示したアンテナ装置の作用説明に用
いるための特性図である。 ３・・・送信アンテナ素子、４・・・受信アンテナ素子
、５・・・送信機、６・・・受信機、７・・・反射アン
テナ素子、８・・・切換スイッチ、９・・・スイッチ駆
動回路。Fig. 1 is a schematic diagram of a conventional mobile communication system, Fig. 2 is a schematic diagram of an antenna device according to an embodiment of the present invention, and Fig. 3 is used to explain the operation of the antenna device shown in Fig. 2. FIG. 3... Transmitting antenna element, 4... Receiving antenna element, 5... Transmitter, 6... Receiver, 7... Reflecting antenna element, 8... Selector switch, 9... Switch drive circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１の周波数に共振する送信アンテナ素子と１、　　　
　　第２の周波数に共振する受信アンテナ素子と、これ
からの送信アンテナ素子および受信アンテナ素子の間に
配置されたアンテナ素子と、このアンテナ素子の電流分
布を変化して前記送信アンテナ素子および受信アンテナ
素子の指向性を変化させる可変インピーダンス回路とを
具備し、前記電流分布を変化させながら通信を行うよう
にしたことを特徴とする移動無線システムおアンテナ装
置。a transmitting antenna element resonating at a first frequency;
A receiving antenna element resonating at a second frequency, an antenna element disposed between a future transmitting antenna element and a receiving antenna element, and a current distribution of this antenna element being changed to What is claimed is: 1. An antenna device for a mobile radio system, comprising: a variable impedance circuit that changes directivity; and communication is performed while changing the current distribution.
JP11972281U 1981-08-12 1981-08-12 Mobile radio system antenna device Pending JPS5826207U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11972281U JPS5826207U (en) 1981-08-12 1981-08-12 Mobile radio system antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11972281U JPS5826207U (en) 1981-08-12 1981-08-12 Mobile radio system antenna device

Publications (1)

Publication Number Publication Date
JPS5826207U true JPS5826207U (en) 1983-02-19

Family

ID=29913763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11972281U Pending JPS5826207U (en) 1981-08-12 1981-08-12 Mobile radio system antenna device

Country Status (1)

Country Link
JP (1) JPS5826207U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001065638A1 (en) * 2000-02-29 2001-09-07 Matsushita Electric Industrial Co., Ltd. Antenna device
JP2003037415A (en) * 2001-07-25 2003-02-07 Matsushita Electric Ind Co Ltd Portable radio unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001065638A1 (en) * 2000-02-29 2001-09-07 Matsushita Electric Industrial Co., Ltd. Antenna device
JP2003037415A (en) * 2001-07-25 2003-02-07 Matsushita Electric Ind Co Ltd Portable radio unit

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