JPS6172953U - - Google Patents
Info
- Publication number
- JPS6172953U JPS6172953U JP15718584U JP15718584U JPS6172953U JP S6172953 U JPS6172953 U JP S6172953U JP 15718584 U JP15718584 U JP 15718584U JP 15718584 U JP15718584 U JP 15718584U JP S6172953 U JPS6172953 U JP S6172953U
- Authority
- JP
- Japan
- Prior art keywords
- line
- polarity
- determining
- function
- telephone
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15718584U JPS6172953U (sl) | 1984-10-19 | 1984-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15718584U JPS6172953U (sl) | 1984-10-19 | 1984-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6172953U true JPS6172953U (sl) | 1986-05-17 |
Family
ID=30715185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15718584U Pending JPS6172953U (sl) | 1984-10-19 | 1984-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172953U (sl) |
-
1984
- 1984-10-19 JP JP15718584U patent/JPS6172953U/ja active Pending