JPS63152339U - - Google Patents

Info

Publication number
JPS63152339U
JPS63152339U JP4271087U JP4271087U JPS63152339U JP S63152339 U JPS63152339 U JP S63152339U JP 4271087 U JP4271087 U JP 4271087U JP 4271087 U JP4271087 U JP 4271087U JP S63152339 U JPS63152339 U JP S63152339U
Authority
JP
Japan
Prior art keywords
telephone line
determination circuit
insulation resistance
home equipment
connection mechanism
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
JP4271087U
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 JP4271087U priority Critical patent/JPS63152339U/ja
Publication of JPS63152339U publication Critical patent/JPS63152339U/ja
Pending legal-status Critical Current

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  • Measurement Of Current Or Voltage (AREA)

Description

【図面の簡単な説明】
第１図は本考案の電話回線試験機の一実施例の
構成図、第２図は本考案の電話回線試験機を用い
てケーブル故障、絶縁不良等の測定を行う方法の
説明図、第３図は本考案の電話回線試験機を用い
て宅内設備有無の測定を行う方法の説明図、第４
図ａ，ｂは従来の電話線路設備の試験方法の説明
図である。 ，，，，……スイツチ、４……判定
回路、５……発振回路、６……増幅器、７……ス
ピーカー、８……メーター、９……通話回路、１
０……電話回線試験機、１１……２５４Ｔ／Ｓ用
試験プラグ、１２……ジヤツク、１３……試験用
プラグ、１４……試験台、１５……試験ジヤツク
、１６……試験用接続器。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電話回線と接続するためのプラグ、ジヤツク等
    からなる接続機構と、電話回線および宅内機器の
    絶縁抵抗の大きさを測定し、その絶縁抵抗の大き
    さに基づいて電話回線の良否および宅内機器の有
    無を判定する判定回路と、前記接続機構と判定回
    路の間に位置し、この間の電気的開閉を行うスイ
    ツチと、前記判定回路の出力の大きさに基づいて
    、前記判定の結果を鳴動により通知する手段とを
    備えていることを特徴とする電話回線試験機。
JP4271087U 1987-03-25 1987-03-25 Pending JPS63152339U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4271087U JPS63152339U (ja) 1987-03-25 1987-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4271087U JPS63152339U (ja) 1987-03-25 1987-03-25

Publications (1)

Publication Number Publication Date
JPS63152339U true JPS63152339U (ja) 1988-10-06

Family

ID=30858881

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4271087U Pending JPS63152339U (ja) 1987-03-25 1987-03-25

Country Status (1)

Country Link
JP (1) JPS63152339U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220197U (ja) * 1975-07-29 1977-02-14
JPS549003A (en) * 1977-05-06 1979-01-23 Siebec Filtres Centrifugal impeller pump magnetically driven by motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220197U (ja) * 1975-07-29 1977-02-14
JPS549003A (en) * 1977-05-06 1979-01-23 Siebec Filtres Centrifugal impeller pump magnetically driven by motor

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