JPH02137140U - - Google Patents
Info
- Publication number
- JPH02137140U JPH02137140U JP1989045320U JP4532089U JPH02137140U JP H02137140 U JPH02137140 U JP H02137140U JP 1989045320 U JP1989045320 U JP 1989045320U JP 4532089 U JP4532089 U JP 4532089U JP H02137140 U JPH02137140 U JP H02137140U
- Authority
- JP
- Japan
- Prior art keywords
- monitoring devices
- sub
- center monitoring
- center
- communication
- 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
- 238000012806 monitoring device Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989045320U JPH02137140U (es) | 1989-04-17 | 1989-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989045320U JPH02137140U (es) | 1989-04-17 | 1989-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02137140U true JPH02137140U (es) | 1990-11-15 |
Family
ID=31559388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989045320U Pending JPH02137140U (es) | 1989-04-17 | 1989-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02137140U (es) |
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1989
- 1989-04-17 JP JP1989045320U patent/JPH02137140U/ja active Pending