JPS56119360U - - Google Patents
Info
- Publication number
- JPS56119360U JPS56119360U JP718081U JP718081U JPS56119360U JP S56119360 U JPS56119360 U JP S56119360U JP 718081 U JP718081 U JP 718081U JP 718081 U JP718081 U JP 718081U JP S56119360 U JPS56119360 U JP S56119360U
- 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
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP718081U JPS56119360U (en:Method) | 1981-01-21 | 1981-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP718081U JPS56119360U (en:Method) | 1981-01-21 | 1981-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56119360U true JPS56119360U (en:Method) | 1981-09-11 |
Family
ID=29603842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP718081U Pending JPS56119360U (en:Method) | 1981-01-21 | 1981-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56119360U (en:Method) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3829619A (en) * | 1972-12-29 | 1974-08-13 | Stromberg Carlson Corp | Telephone ring trip circuit |
| US3865992A (en) * | 1971-11-17 | 1975-02-11 | Int Standard Electric Corp | Electronically controlled ring-trap circuit |
| JPS51138108A (en) * | 1975-05-26 | 1976-11-29 | Nec Corp | Ring trip circuit |
-
1981
- 1981-01-21 JP JP718081U patent/JPS56119360U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3865992A (en) * | 1971-11-17 | 1975-02-11 | Int Standard Electric Corp | Electronically controlled ring-trap circuit |
| US3829619A (en) * | 1972-12-29 | 1974-08-13 | Stromberg Carlson Corp | Telephone ring trip circuit |
| JPS51138108A (en) * | 1975-05-26 | 1976-11-29 | Nec Corp | Ring trip circuit |