JPH0472734U - - Google Patents

Info

Publication number
JPH0472734U
JPH0472734U JP1990116296U JP11629690U JPH0472734U JP H0472734 U JPH0472734 U JP H0472734U JP 1990116296 U JP1990116296 U JP 1990116296U JP 11629690 U JP11629690 U JP 11629690U JP H0472734 U JPH0472734 U JP H0472734U
Authority
JP
Japan
Prior art keywords
switching means
measurement terminal
antenna
circuit
switching
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
JP1990116296U
Other languages
English (en)
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 filed Critical
Priority to JP1990116296U priority Critical patent/JPH0472734U/ja
Publication of JPH0472734U publication Critical patent/JPH0472734U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Transmission In General (AREA)

Description

【図面の簡単な説明】
第1図は本考案の原理図、第2図は本考案の実
施例の回路図、第3図は従来のアンテナ切換回路
の説明図である。 図中、1は送受信回路、2はアンテナ、3は測
定端子、4は整合回路、7は測定ケーブル、8は
スイツチング手段、9は切換回路である。

Claims (1)

  1. 【実用新案登録請求の範囲】 送受信回路に分岐して接続されるアンテナおよ
    び測定端子と、 該アンテナへの線路の途中に介在したスイツチ
    ング手段と、 前記測定端子がオープン状態のとき前記スイツ
    チング手段をオンにし、また該測定端子が直流電
    流の流れる状態となつたとき該スイツチング手段
    をオフにする切換回路とを備えることを特徴とす
    るアンテナ切換回路。
JP1990116296U 1990-11-06 1990-11-06 Pending JPH0472734U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990116296U JPH0472734U (ja) 1990-11-06 1990-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990116296U JPH0472734U (ja) 1990-11-06 1990-11-06

Publications (1)

Publication Number Publication Date
JPH0472734U true JPH0472734U (ja) 1992-06-26

Family

ID=31864111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990116296U Pending JPH0472734U (ja) 1990-11-06 1990-11-06

Country Status (1)

Country Link
JP (1) JPH0472734U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518012B1 (ja) * 1967-10-27 1976-03-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518012B1 (ja) * 1967-10-27 1976-03-12

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