JPS5342562B2 - - Google Patents
Info
- Publication number
- JPS5342562B2 JPS5342562B2 JP3173074A JP3173074A JPS5342562B2 JP S5342562 B2 JPS5342562 B2 JP S5342562B2 JP 3173074 A JP3173074 A JP 3173074A JP 3173074 A JP3173074 A JP 3173074A JP S5342562 B2 JPS5342562 B2 JP S5342562B2
- 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
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3173074A JPS5342562B2 (es) | 1974-03-20 | 1974-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3173074A JPS5342562B2 (es) | 1974-03-20 | 1974-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50125609A JPS50125609A (es) | 1975-10-02 |
| JPS5342562B2 true JPS5342562B2 (es) | 1978-11-13 |
Family
ID=12339147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3173074A Expired JPS5342562B2 (es) | 1974-03-20 | 1974-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5342562B2 (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015091A (en) * | 1975-12-05 | 1977-03-29 | Bell Telephone Laboratories, Incorporated | Telephone ringing generators |
| US4025729A (en) * | 1975-12-05 | 1977-05-24 | Bell Telephone Laboratories, Incorporated | Telephone ringing control circuits |
| JPS5850659Y2 (ja) * | 1976-04-30 | 1983-11-18 | 株式会社田村電機製作所 | 度数信号発生回路の駆動回路 |
| JPS5570162A (en) * | 1978-11-21 | 1980-05-27 | Fujitsu Ltd | Call signal generation system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842727A (es) * | 1971-09-30 | 1973-06-21 |
-
1974
- 1974-03-20 JP JP3173074A patent/JPS5342562B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842727A (es) * | 1971-09-30 | 1973-06-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50125609A (es) | 1975-10-02 |