JPS51140406A - Light communication monitoring system - Google Patents

Light communication monitoring system

Info

Publication number
JPS51140406A
JPS51140406A JP6420675A JP6420675A JPS51140406A JP S51140406 A JPS51140406 A JP S51140406A JP 6420675 A JP6420675 A JP 6420675A JP 6420675 A JP6420675 A JP 6420675A JP S51140406 A JPS51140406 A JP S51140406A
Authority
JP
Japan
Prior art keywords
light communication
monitoring system
communication monitoring
light
search
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
JP6420675A
Other languages
English (en)
Inventor
Keiichi Takeda
Yoshihisa Motomura
Koichi Oota
Susumu Kondo
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.)
Hitachi Ltd
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Hitachi 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, Hitachi Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP6420675A priority Critical patent/JPS51140406A/ja
Publication of JPS51140406A publication Critical patent/JPS51140406A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
JP6420675A 1975-05-30 1975-05-30 Light communication monitoring system Pending JPS51140406A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6420675A JPS51140406A (en) 1975-05-30 1975-05-30 Light communication monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6420675A JPS51140406A (en) 1975-05-30 1975-05-30 Light communication monitoring system

Publications (1)

Publication Number Publication Date
JPS51140406A true JPS51140406A (en) 1976-12-03

Family

ID=13251358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6420675A Pending JPS51140406A (en) 1975-05-30 1975-05-30 Light communication monitoring system

Country Status (1)

Country Link
JP (1) JPS51140406A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199904A (ja) * 1975-02-28 1976-09-03 Fujitsu Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199904A (ja) * 1975-02-28 1976-09-03 Fujitsu Ltd

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