JPH0230657U - - Google Patents
Info
- Publication number
- JPH0230657U JPH0230657U JP10841788U JP10841788U JPH0230657U JP H0230657 U JPH0230657 U JP H0230657U JP 10841788 U JP10841788 U JP 10841788U JP 10841788 U JP10841788 U JP 10841788U JP H0230657 U JPH0230657 U JP H0230657U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- comparison circuit
- line
- communication 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10841788U JPH0230657U (pl) | 1988-08-18 | 1988-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10841788U JPH0230657U (pl) | 1988-08-18 | 1988-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230657U true JPH0230657U (pl) | 1990-02-27 |
Family
ID=31343726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10841788U Pending JPH0230657U (pl) | 1988-08-18 | 1988-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230657U (pl) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5314406B2 (pl) * | 1973-11-19 | 1978-05-17 |
-
1988
- 1988-08-18 JP JP10841788U patent/JPH0230657U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5314406B2 (pl) * | 1973-11-19 | 1978-05-17 |