JPS61174275U - - Google Patents
Info
- Publication number
- JPS61174275U JPS61174275U JP5688085U JP5688085U JPS61174275U JP S61174275 U JPS61174275 U JP S61174275U JP 5688085 U JP5688085 U JP 5688085U JP 5688085 U JP5688085 U JP 5688085U JP S61174275 U JPS61174275 U JP S61174275U
- Authority
- JP
- Japan
- Prior art keywords
- power
- button telephone
- circuit
- monitoring relay
- operating path
- Prior art date
- 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
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5688085U JPS61174275U (de) | 1985-04-18 | 1985-04-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5688085U JPS61174275U (de) | 1985-04-18 | 1985-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61174275U true JPS61174275U (de) | 1986-10-30 |
Family
ID=30580899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5688085U Pending JPS61174275U (de) | 1985-04-18 | 1985-04-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61174275U (de) |
-
1985
- 1985-04-18 JP JP5688085U patent/JPS61174275U/ja active Pending