JPS5264647A - Displaying device for trouble in breakage of aereal line - Google Patents

Displaying device for trouble in breakage of aereal line

Info

Publication number
JPS5264647A
JPS5264647A JP50140644A JP14064475A JPS5264647A JP S5264647 A JPS5264647 A JP S5264647A JP 50140644 A JP50140644 A JP 50140644A JP 14064475 A JP14064475 A JP 14064475A JP S5264647 A JPS5264647 A JP S5264647A
Authority
JP
Japan
Prior art keywords
breakage
trouble
line
aereal
displaying 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
JP50140644A
Other languages
Japanese (ja)
Inventor
Yoshio Yamashita
Fukumi Kaita
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.)
NOF Corp
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
NOF Corp
Nippon Oil and Fats Co 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 Tokyo Electric Power Co Inc, NOF Corp, Nippon Oil and Fats Co Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP50140644A priority Critical patent/JPS5264647A/en
Publication of JPS5264647A publication Critical patent/JPS5264647A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)

Abstract

PURPOSE: The light which is generated by a breakage in line is sensed, a switching part is operated on the basis of the result of sensing to operate the display part and thereby the trouble in breakage is displayed.
COPYRIGHT: (C)1977,JPO&Japio
JP50140644A 1975-11-22 1975-11-22 Displaying device for trouble in breakage of aereal line Pending JPS5264647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50140644A JPS5264647A (en) 1975-11-22 1975-11-22 Displaying device for trouble in breakage of aereal line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50140644A JPS5264647A (en) 1975-11-22 1975-11-22 Displaying device for trouble in breakage of aereal line

Publications (1)

Publication Number Publication Date
JPS5264647A true JPS5264647A (en) 1977-05-28

Family

ID=15273448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50140644A Pending JPS5264647A (en) 1975-11-22 1975-11-22 Displaying device for trouble in breakage of aereal line

Country Status (1)

Country Link
JP (1) JPS5264647A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4622470A (en) * 1984-04-16 1986-11-11 Rca Corporation Shutter control system
JPH04265619A (en) * 1991-02-20 1992-09-21 Shikoku Electric Power Co Inc Flashover indicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4622470A (en) * 1984-04-16 1986-11-11 Rca Corporation Shutter control system
JPH04265619A (en) * 1991-02-20 1992-09-21 Shikoku Electric Power Co Inc Flashover indicator

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