JPS622492B2 - - Google Patents
Info
- Publication number
- JPS622492B2 JPS622492B2 JP2966681A JP2966681A JPS622492B2 JP S622492 B2 JPS622492 B2 JP S622492B2 JP 2966681 A JP2966681 A JP 2966681A JP 2966681 A JP2966681 A JP 2966681A JP S622492 B2 JPS622492 B2 JP S622492B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- disconnection
- optical fiber
- information transmission
- transmission line
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 68
- 230000005540 biological transmission Effects 0.000 claims description 46
- 239000013307 optical fiber Substances 0.000 claims description 31
- 238000004891 communication Methods 0.000 claims description 20
- 238000012360 testing method Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
- H04B1/745—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus using by-passing or self-healing methods
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2966681A JPS57143946A (en) | 1981-02-27 | 1981-02-27 | Optical fiber communication device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2966681A JPS57143946A (en) | 1981-02-27 | 1981-02-27 | Optical fiber communication device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57143946A JPS57143946A (en) | 1982-09-06 |
JPS622492B2 true JPS622492B2 (US08063081-20111122-C00044.png) | 1987-01-20 |
Family
ID=12282432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2966681A Granted JPS57143946A (en) | 1981-02-27 | 1981-02-27 | Optical fiber communication device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57143946A (US08063081-20111122-C00044.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6447493U (US08063081-20111122-C00044.png) * | 1987-09-17 | 1989-03-23 | ||
JPS6447492U (US08063081-20111122-C00044.png) * | 1987-09-17 | 1989-03-23 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6062749A (ja) * | 1983-08-08 | 1985-04-10 | Fujitsu Ltd | U字型光バスネットワ−クにおけるras方式 |
JPH0740694B2 (ja) * | 1986-07-23 | 1995-05-01 | 株式会社明電舎 | 情報伝送装置 |
US6307652B1 (en) | 1998-04-28 | 2001-10-23 | Weed Instrument Company, Incorporated | Fault tolerant optical communication apparatus and method |
-
1981
- 1981-02-27 JP JP2966681A patent/JPS57143946A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6447493U (US08063081-20111122-C00044.png) * | 1987-09-17 | 1989-03-23 | ||
JPS6447492U (US08063081-20111122-C00044.png) * | 1987-09-17 | 1989-03-23 |
Also Published As
Publication number | Publication date |
---|---|
JPS57143946A (en) | 1982-09-06 |
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