JPS5220966Y2 - - Google Patents
Info
- Publication number
- JPS5220966Y2 JPS5220966Y2 JP1971091830U JP9183071U JPS5220966Y2 JP S5220966 Y2 JPS5220966 Y2 JP S5220966Y2 JP 1971091830 U JP1971091830 U JP 1971091830U JP 9183071 U JP9183071 U JP 9183071U JP S5220966 Y2 JPS5220966 Y2 JP S5220966Y2
- 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
- Optical Communication System (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971091830U JPS5220966Y2 (https=) | 1971-10-06 | 1971-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971091830U JPS5220966Y2 (https=) | 1971-10-06 | 1971-10-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4847206U JPS4847206U (https=) | 1973-06-21 |
| JPS5220966Y2 true JPS5220966Y2 (https=) | 1977-05-14 |
Family
ID=28005351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1971091830U Expired JPS5220966Y2 (https=) | 1971-10-06 | 1971-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5220966Y2 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5636255A (en) * | 1979-08-31 | 1981-04-09 | Fujitsu Ltd | Off-hook detecting system |
-
1971
- 1971-10-06 JP JP1971091830U patent/JPS5220966Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4847206U (https=) | 1973-06-21 |