JPS62161444U - - Google Patents
Info
- Publication number
- JPS62161444U JPS62161444U JP4913286U JP4913286U JPS62161444U JP S62161444 U JPS62161444 U JP S62161444U JP 4913286 U JP4913286 U JP 4913286U JP 4913286 U JP4913286 U JP 4913286U JP S62161444 U JPS62161444 U JP S62161444U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- detection circuit
- switch
- telephone line
- detects
- 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 8
- 238000010586 diagram Methods 0.000 description 4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4913286U JPS62161444U (enExample) | 1986-04-01 | 1986-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4913286U JPS62161444U (enExample) | 1986-04-01 | 1986-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62161444U true JPS62161444U (enExample) | 1987-10-14 |
Family
ID=30871297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4913286U Pending JPS62161444U (enExample) | 1986-04-01 | 1986-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62161444U (enExample) |
-
1986
- 1986-04-01 JP JP4913286U patent/JPS62161444U/ja active Pending