JPH0461955U - - Google Patents

Info

Publication number
JPH0461955U
JPH0461955U JP10364490U JP10364490U JPH0461955U JP H0461955 U JPH0461955 U JP H0461955U JP 10364490 U JP10364490 U JP 10364490U JP 10364490 U JP10364490 U JP 10364490U JP H0461955 U JPH0461955 U JP H0461955U
Authority
JP
Japan
Prior art keywords
light emitting
emitting diode
varistor
telephone line
lightning arrester
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
JP10364490U
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 JP10364490U priority Critical patent/JPH0461955U/ja
Publication of JPH0461955U publication Critical patent/JPH0461955U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)

Description

【図面の簡単な説明】
第１図は本案の実施例を示す回路図、第２図は
同・斜面図、第３図ａ，ｂは本案実施例の電話回
線動作確認器を自動交換器の１０００形と４０形
避雷器弾器にそれぞれ接触した状態を示す図であ
る。 １……１０００形避雷器弾器用Ａ線接触片、２
……１０００形避雷器弾器用Ｂ線接触片、３……
４０形避雷器弾器用Ａ線接触片、４……４０形避
雷器弾器用Ｂ線接触片、５……発光ダイオード、
６……発光ダイオード用電流制限用抵抗、７……
聴話用イヤホーン、８……聴話イヤホーン用ジヤ
ツク、９……差込プラグ、１０……直流分阻止用
コンデンサー、１１……クリツク音防止用バリス
タ、１２……本体ケース、１３，２０……避雷器
弾器、１４，２１……線路Ａ線側バネ、１５，２
２……線路Ｂ線側バネ、１６……電話回線、１７
……電話機、１９，２３……交換機。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電話回線に挿入された避雷器弾器に接続させる
    互いに離隔距離の異なる２対の接触片の両端に発
    光ダイオードと抵抗を直列に接続する一方、直列
    するコンデンサとバリスタを該発光ダイオードと
    並列に接続し、他方、該バリスタの両端にイヤホ
    ーンジヤツクを設けたことを特徴とする電話回線
    動作確認器。
JP10364490U 1990-10-03 1990-10-03 Pending JPH0461955U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10364490U JPH0461955U (ja) 1990-10-03 1990-10-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10364490U JPH0461955U (ja) 1990-10-03 1990-10-03

Publications (1)

Publication Number Publication Date
JPH0461955U true JPH0461955U (ja) 1992-05-27

Family

ID=31848603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10364490U Pending JPH0461955U (ja) 1990-10-03 1990-10-03

Country Status (1)

Country Link
JP (1) JPH0461955U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895713A (ja) * 1972-03-17 1973-12-07
JPS533548A (en) * 1976-06-28 1978-01-13 Kioko Fujimoto Production of yeast bread by electric range
JPS5669719A (en) * 1979-11-09 1981-06-11 Tokyo Shibaura Electric Co Method of manufacturing compound superconductive wire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895713A (ja) * 1972-03-17 1973-12-07
JPS533548A (en) * 1976-06-28 1978-01-13 Kioko Fujimoto Production of yeast bread by electric range
JPS5669719A (en) * 1979-11-09 1981-06-11 Tokyo Shibaura Electric Co Method of manufacturing compound superconductive wire

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