JPH03107845U - - Google Patents
Info
- Publication number
- JPH03107845U JPH03107845U JP1990016139U JP1613990U JPH03107845U JP H03107845 U JPH03107845 U JP H03107845U JP 1990016139 U JP1990016139 U JP 1990016139U JP 1613990 U JP1613990 U JP 1613990U JP H03107845 U JPH03107845 U JP H03107845U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- optical
- terminal device
- station
- transmitted
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Small-Scale Networks (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990016139U JP2533798Y2 (ja) | 1990-02-22 | 1990-02-22 | 障害監視システム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990016139U JP2533798Y2 (ja) | 1990-02-22 | 1990-02-22 | 障害監視システム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03107845U true JPH03107845U (enExample) | 1991-11-06 |
| JP2533798Y2 JP2533798Y2 (ja) | 1997-04-23 |
Family
ID=31519422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990016139U Expired - Lifetime JP2533798Y2 (ja) | 1990-02-22 | 1990-02-22 | 障害監視システム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2533798Y2 (enExample) |
-
1990
- 1990-02-22 JP JP1990016139U patent/JP2533798Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2533798Y2 (ja) | 1997-04-23 |
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