JPS5289949A - Optical fiber apparatus - Google Patents
Optical fiber apparatusInfo
- Publication number
- JPS5289949A JPS5289949A JP680976A JP680976A JPS5289949A JP S5289949 A JPS5289949 A JP S5289949A JP 680976 A JP680976 A JP 680976A JP 680976 A JP680976 A JP 680976A JP S5289949 A JPS5289949 A JP S5289949A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- fiber apparatus
- phase
- breakage position
- comparing
- 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
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)
- Optical Communication System (AREA)
Abstract
PURPOSE:To detect the optical fiber breakage position at high accuracy by comparing the modulation phase of an incident light signal and the phase of the reflected light from the breakage position of an optical fiber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP680976A JPS5289949A (en) | 1976-01-23 | 1976-01-23 | Optical fiber apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP680976A JPS5289949A (en) | 1976-01-23 | 1976-01-23 | Optical fiber apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5289949A true JPS5289949A (en) | 1977-07-28 |
Family
ID=11648511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP680976A Pending JPS5289949A (en) | 1976-01-23 | 1976-01-23 | Optical fiber apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5289949A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50156949A (en) * | 1974-06-07 | 1975-12-18 |
-
1976
- 1976-01-23 JP JP680976A patent/JPS5289949A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50156949A (en) * | 1974-06-07 | 1975-12-18 |
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