JPS4974417A - - Google Patents
Info
- Publication number
- JPS4974417A JPS4974417A JP11476772A JP11476772A JPS4974417A JP S4974417 A JPS4974417 A JP S4974417A JP 11476772 A JP11476772 A JP 11476772A JP 11476772 A JP11476772 A JP 11476772A JP S4974417 A JPS4974417 A JP S4974417A
- 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.)
- Pending
Links
Landscapes
- Exchange Systems With Centralized Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11476772A JPS4974417A (da) | 1972-11-17 | 1972-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11476772A JPS4974417A (da) | 1972-11-17 | 1972-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4974417A true JPS4974417A (da) | 1974-07-18 |
Family
ID=14646163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11476772A Pending JPS4974417A (da) | 1972-11-17 | 1972-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4974417A (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS631194A (ja) * | 1986-06-19 | 1988-01-06 | Toshiba Corp | 電話交換機の着信方式 |
-
1972
- 1972-11-17 JP JP11476772A patent/JPS4974417A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS631194A (ja) * | 1986-06-19 | 1988-01-06 | Toshiba Corp | 電話交換機の着信方式 |
| JPH0834620B2 (ja) * | 1986-06-19 | 1996-03-29 | 株式会社東芝 | 電話交換機の着信方式 |