JPH01159442U - - Google Patents
Info
- Publication number
- JPH01159442U JPH01159442U JP5538088U JP5538088U JPH01159442U JP H01159442 U JPH01159442 U JP H01159442U JP 5538088 U JP5538088 U JP 5538088U JP 5538088 U JP5538088 U JP 5538088U JP H01159442 U JPH01159442 U JP H01159442U
- Authority
- JP
- Japan
- Prior art keywords
- telephone office
- telephone
- office line
- power supply
- sounder
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5538088U JPH01159442U (enExample) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5538088U JPH01159442U (enExample) | 1988-04-25 | 1988-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01159442U true JPH01159442U (enExample) | 1989-11-06 |
Family
ID=31281280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5538088U Pending JPH01159442U (enExample) | 1988-04-25 | 1988-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01159442U (enExample) |
-
1988
- 1988-04-25 JP JP5538088U patent/JPH01159442U/ja active Pending
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