JPS5099009A - - Google Patents
Info
- Publication number
- JPS5099009A JPS5099009A JP14473473A JP14473473A JPS5099009A JP S5099009 A JPS5099009 A JP S5099009A JP 14473473 A JP14473473 A JP 14473473A JP 14473473 A JP14473473 A JP 14473473A JP S5099009 A JPS5099009 A JP S5099009A
- 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.)
- Granted
Links
Landscapes
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14473473A JPS5547503B2 (en) | 1973-12-28 | 1973-12-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14473473A JPS5547503B2 (en) | 1973-12-28 | 1973-12-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5099009A true JPS5099009A (en) | 1975-08-06 |
JPS5547503B2 JPS5547503B2 (en) | 1980-12-01 |
Family
ID=15369086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14473473A Expired JPS5547503B2 (en) | 1973-12-28 | 1973-12-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5547503B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS531407A (en) * | 1976-06-25 | 1978-01-09 | Ibm | Device for monitoring onnhook or offfhook state of telephone set connected to telephone channel |
JPS54112109A (en) * | 1978-02-23 | 1979-09-01 | Nippon Telegr & Teleph Corp <Ntt> | Ring trip system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6261811U (en) * | 1985-10-08 | 1987-04-17 |
-
1973
- 1973-12-28 JP JP14473473A patent/JPS5547503B2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS531407A (en) * | 1976-06-25 | 1978-01-09 | Ibm | Device for monitoring onnhook or offfhook state of telephone set connected to telephone channel |
JPS54112109A (en) * | 1978-02-23 | 1979-09-01 | Nippon Telegr & Teleph Corp <Ntt> | Ring trip system |
Also Published As
Publication number | Publication date |
---|---|
JPS5547503B2 (en) | 1980-12-01 |