JPH0316746U - - Google Patents

Info

Publication number
JPH0316746U
JPH0316746U JP1989075548U JP7554889U JPH0316746U JP H0316746 U JPH0316746 U JP H0316746U JP 1989075548 U JP1989075548 U JP 1989075548U JP 7554889 U JP7554889 U JP 7554889U JP H0316746 U JPH0316746 U JP H0316746U
Authority
JP
Japan
Prior art keywords
line
converter
power supply
connection point
testing device
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
JP1989075548U
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 JP1989075548U priority Critical patent/JPH0316746U/ja
Publication of JPH0316746U publication Critical patent/JPH0316746U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Locating Faults (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示す構成図である。 100……乾電池、200……高電圧印加部、
210……DC−DCコンバータ、220……蓄
電器回路、230……接続切り替えスイツチ、3
00a,300b……線路、400……抵抗測定
部、410……電源電圧監視回路、420……抵
抗測定回路、430……抵抗値表示回路、440
……微弱電流供給回路、500a,500b……
線路試験切り替えスイツチ、H1,H2,M1,
M2,E……端子である。

Claims (1)

  1. 【実用新案登録請求の範囲】 電気通信線路の線路抵抗測定部と、線材の接続
    点を含んで構成される線路の測定部に印加され、
    上記接続点に発生する接触抵抗を増大させる非導
    電性被膜を除去する高電圧印加部とを有する線路
    試験装置において、 前記高電圧印加部は低圧の直流電源と、この電
    源により駆動されるDC−DCコンバータと、こ
    のコンバータの出力電圧により充電される蓄電器
    とこの蓄電器に蓄えられた電荷をDC−DCコン
    バータ側から線路側に接続切り替えする手段とか
    ら成ることを特徴とする線路試験装置。
JP1989075548U 1989-06-29 1989-06-29 Pending JPH0316746U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989075548U JPH0316746U (ja) 1989-06-29 1989-06-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989075548U JPH0316746U (ja) 1989-06-29 1989-06-29

Publications (1)

Publication Number Publication Date
JPH0316746U true JPH0316746U (ja) 1991-02-19

Family

ID=31616217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989075548U Pending JPH0316746U (ja) 1989-06-29 1989-06-29

Country Status (1)

Country Link
JP (1) JPH0316746U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008113582A (ja) * 2006-11-02 2008-05-22 Shimano Inc 疑似餌

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008113582A (ja) * 2006-11-02 2008-05-22 Shimano Inc 疑似餌

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