JPS5510855B2 - - Google Patents

Info

Publication number
JPS5510855B2
JPS5510855B2 JP3337177A JP3337177A JPS5510855B2 JP S5510855 B2 JPS5510855 B2 JP S5510855B2 JP 3337177 A JP3337177 A JP 3337177A JP 3337177 A JP3337177 A JP 3337177A JP S5510855 B2 JPS5510855 B2 JP S5510855B2
Authority
JP
Japan
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.)
Expired
Application number
JP3337177A
Other languages
Japanese (ja)
Other versions
JPS53119068A (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 JP3337177A priority Critical patent/JPS53119068A/en
Publication of JPS53119068A publication Critical patent/JPS53119068A/en
Publication of JPS5510855B2 publication Critical patent/JPS5510855B2/ja
Granted 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
    • 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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP3337177A 1977-03-28 1977-03-28 Fault point aiming system of optical cable Granted JPS53119068A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3337177A JPS53119068A (en) 1977-03-28 1977-03-28 Fault point aiming system of optical cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3337177A JPS53119068A (en) 1977-03-28 1977-03-28 Fault point aiming system of optical cable

Publications (2)

Publication Number Publication Date
JPS53119068A JPS53119068A (en) 1978-10-18
JPS5510855B2 true JPS5510855B2 (en) 1980-03-19

Family

ID=12384715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3337177A Granted JPS53119068A (en) 1977-03-28 1977-03-28 Fault point aiming system of optical cable

Country Status (1)

Country Link
JP (1) JPS53119068A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0183852U (en) * 1987-11-27 1989-06-05
WO2016208169A1 (en) * 2015-06-25 2016-12-29 日本電気株式会社 Device and specification method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640737A (en) * 1979-09-11 1981-04-17 Asahi Optical Co Ltd Damage detector for optical fiber for laser power transmission
JPS5777936A (en) * 1980-11-01 1982-05-15 Asahi Optical Co Ltd Safety device for detecting transmission fiber trouble
US4928004A (en) * 1988-06-20 1990-05-22 Center For Innovative Technology Method and apparatus for sensing strain
US4936649A (en) * 1989-01-25 1990-06-26 Lymer John D Damage evaluation system and method using optical fibers
KR0123893B1 (en) * 1989-11-11 1997-12-01 마사씨 코지마 A device and a method for distinguishing faults employed in an optical transmission system
JPH08125607A (en) * 1994-10-21 1996-05-17 Fujitsu Ltd Optical transmission line fault point location method and optical transmission line

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0183852U (en) * 1987-11-27 1989-06-05
WO2016208169A1 (en) * 2015-06-25 2016-12-29 日本電気株式会社 Device and specification method
JPWO2016208169A1 (en) * 2015-06-25 2018-04-12 日本電気株式会社 Device, identification method

Also Published As

Publication number Publication date
JPS53119068A (en) 1978-10-18

Similar Documents

Publication Publication Date Title
DE2823761C2 (en)
DE2802106C2 (en)
DE2853739C2 (en)
FR2360602B1 (en)
DE2802045C2 (en)
AU3353778A (en)
DE2714545B1 (en)
FR2376839B1 (en)
AR210643A1 (en)
AU495917B2 (en)
DK140910C (en)
AU71461S (en)
BG25848A1 (en)
BE868323A (en)
BG25855A1 (en)
BG25853A1 (en)
BG25852A1 (en)
BG25851A1 (en)
BG25850A1 (en)
BE851449A (en)
BG25860A1 (en)
CH612616A5 (en)
CH607172A5 (en)
BG25819A1 (en)
BG25820A1 (en)