JPS5639747B2 - - Google Patents
Info
- Publication number
- JPS5639747B2 JPS5639747B2 JP13873275A JP13873275A JPS5639747B2 JP S5639747 B2 JPS5639747 B2 JP S5639747B2 JP 13873275 A JP13873275 A JP 13873275A JP 13873275 A JP13873275 A JP 13873275A JP S5639747 B2 JPS5639747 B2 JP S5639747B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13873275A JPS5263603A (en) | 1975-11-20 | 1975-11-20 | Device for simultaneously monitoring dial pulse signals of multiple circuits in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13873275A JPS5263603A (en) | 1975-11-20 | 1975-11-20 | Device for simultaneously monitoring dial pulse signals of multiple circuits in parallel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5263603A JPS5263603A (en) | 1977-05-26 |
| JPS5639747B2 true JPS5639747B2 (show.php) | 1981-09-16 |
Family
ID=15228859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13873275A Granted JPS5263603A (en) | 1975-11-20 | 1975-11-20 | Device for simultaneously monitoring dial pulse signals of multiple circuits in parallel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5263603A (show.php) |
-
1975
- 1975-11-20 JP JP13873275A patent/JPS5263603A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5263603A (en) | 1977-05-26 |