JPS579016B2 - - Google Patents
Info
- Publication number
- JPS579016B2 JPS579016B2 JP11771076A JP11771076A JPS579016B2 JP S579016 B2 JPS579016 B2 JP S579016B2 JP 11771076 A JP11771076 A JP 11771076A JP 11771076 A JP11771076 A JP 11771076A JP S579016 B2 JPS579016 B2 JP S579016B2
- 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
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
- 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)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11771076A JPS5342846A (en) | 1976-09-30 | 1976-09-30 | Photo coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11771076A JPS5342846A (en) | 1976-09-30 | 1976-09-30 | Photo coupling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5342846A JPS5342846A (en) | 1978-04-18 |
| JPS579016B2 true JPS579016B2 (uk) | 1982-02-19 |
Family
ID=14718379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11771076A Granted JPS5342846A (en) | 1976-09-30 | 1976-09-30 | Photo coupling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5342846A (uk) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5452245U (uk) * | 1977-09-19 | 1979-04-11 | ||
| JPS5490142U (uk) * | 1977-12-06 | 1979-06-26 | ||
| JPS5491506U (uk) * | 1977-12-12 | 1979-06-28 | ||
| JPS55105206A (en) * | 1979-02-05 | 1980-08-12 | Fujitsu Ltd | Optical branching and coupling circuit |
| JPS5621107A (en) * | 1979-07-27 | 1981-02-27 | Nec Corp | Light isolator coupling device |
| JPS5745608U (uk) * | 1980-08-28 | 1982-03-13 | ||
| JPS58220111A (ja) * | 1982-06-16 | 1983-12-21 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバの接続方法 |
| IT1199897B (it) * | 1985-07-22 | 1989-01-05 | Cselt Centro Studi Lab Telecom | Metodo e dispositivo per la misura delle perdite di accoppiamento tra fibre ottiche monomodo |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5156238A (uk) * | 1974-11-12 | 1976-05-17 | Nippon Telegraph & Telephone |
-
1976
- 1976-09-30 JP JP11771076A patent/JPS5342846A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5156238A (uk) * | 1974-11-12 | 1976-05-17 | Nippon Telegraph & Telephone |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5342846A (en) | 1978-04-18 |