JPS5410948A - Searching method of cable defective points - Google Patents

Searching method of cable defective points

Info

Publication number
JPS5410948A
JPS5410948A JP7641077A JP7641077A JPS5410948A JP S5410948 A JPS5410948 A JP S5410948A JP 7641077 A JP7641077 A JP 7641077A JP 7641077 A JP7641077 A JP 7641077A JP S5410948 A JPS5410948 A JP S5410948A
Authority
JP
Japan
Prior art keywords
searching method
defective points
cable
cable defective
points
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
JP7641077A
Other languages
Japanese (ja)
Inventor
Tadaharu Nakayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP7641077A priority Critical patent/JPS5410948A/en
Priority to AU30231/77A priority patent/AU512200B2/en
Priority to GB45620/77A priority patent/GB1550550A/en
Priority to FR7733878A priority patent/FR2370985A1/en
Priority to DE2750386A priority patent/DE2750386C2/en
Priority to IT69549/77A priority patent/IT1091461B/en
Priority to US05/851,564 priority patent/US4161688A/en
Publication of JPS5410948A publication Critical patent/JPS5410948A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent reduction in sensibility of galvanometer by reducing the stray earth current by utilizing an earth current canceling device.
COPYRIGHT: (C)1979,JPO&Japio
JP7641077A 1976-11-13 1977-06-27 Searching method of cable defective points Pending JPS5410948A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP7641077A JPS5410948A (en) 1977-06-27 1977-06-27 Searching method of cable defective points
AU30231/77A AU512200B2 (en) 1976-11-13 1977-11-01 Cable fault locating apparatus
GB45620/77A GB1550550A (en) 1976-11-13 1977-11-02 Cable fault locating apparatus
FR7733878A FR2370985A1 (en) 1976-11-13 1977-11-10 DEVICE FOR LOCATING FAULTS IN ELECTRIC CABLES
DE2750386A DE2750386C2 (en) 1976-11-13 1977-11-10 Device for locating faults in cables
IT69549/77A IT1091461B (en) 1976-11-13 1977-11-11 APPARATUS FOR TROUBLESHOOTING IN ELECTRICAL CABLES
US05/851,564 US4161688A (en) 1976-11-13 1977-11-14 Cable fault locating apparatus having an earth current canceller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7641077A JPS5410948A (en) 1977-06-27 1977-06-27 Searching method of cable defective points

Publications (1)

Publication Number Publication Date
JPS5410948A true JPS5410948A (en) 1979-01-26

Family

ID=13604464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7641077A Pending JPS5410948A (en) 1976-11-13 1977-06-27 Searching method of cable defective points

Country Status (1)

Country Link
JP (1) JPS5410948A (en)

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