JPS5193242A - - Google Patents
Info
- Publication number
- JPS5193242A JPS5193242A JP50017898A JP1789875A JPS5193242A JP S5193242 A JPS5193242 A JP S5193242A JP 50017898 A JP50017898 A JP 50017898A JP 1789875 A JP1789875 A JP 1789875A JP S5193242 A JPS5193242 A JP S5193242A
- 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.)
- Granted
Links
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50017898A JPS581859B2 (ja) | 1975-02-14 | 1975-02-14 | ヒカリチユウケイキ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50017898A JPS581859B2 (ja) | 1975-02-14 | 1975-02-14 | ヒカリチユウケイキ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5193242A true JPS5193242A (zh) | 1976-08-16 |
JPS581859B2 JPS581859B2 (ja) | 1983-01-13 |
Family
ID=11956539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50017898A Expired JPS581859B2 (ja) | 1975-02-14 | 1975-02-14 | ヒカリチユウケイキ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS581859B2 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0451620A (ja) * | 1990-06-19 | 1992-02-20 | Sumitomo Electric Ind Ltd | 光通信システム |
US6310718B1 (en) | 1998-03-09 | 2001-10-30 | Nec Corporation | Optical amplifying apparatus for detecting break point in optical transmission lines |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0460250A (ja) * | 1990-06-28 | 1992-02-26 | Kubota Corp | チェーンケース構造 |
-
1975
- 1975-02-14 JP JP50017898A patent/JPS581859B2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0451620A (ja) * | 1990-06-19 | 1992-02-20 | Sumitomo Electric Ind Ltd | 光通信システム |
US6310718B1 (en) | 1998-03-09 | 2001-10-30 | Nec Corporation | Optical amplifying apparatus for detecting break point in optical transmission lines |
Also Published As
Publication number | Publication date |
---|---|
JPS581859B2 (ja) | 1983-01-13 |