JPH01160785U - - Google Patents
Info
- Publication number
- JPH01160785U JPH01160785U JP5660288U JP5660288U JPH01160785U JP H01160785 U JPH01160785 U JP H01160785U JP 5660288 U JP5660288 U JP 5660288U JP 5660288 U JP5660288 U JP 5660288U JP H01160785 U JPH01160785 U JP H01160785U
- Authority
- JP
- Japan
- Prior art keywords
- switching means
- terminal
- generation circuit
- ringing tone
- tone generation
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5660288U JPH01160785U (US06589383-20030708-C00041.png) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5660288U JPH01160785U (US06589383-20030708-C00041.png) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160785U true JPH01160785U (US06589383-20030708-C00041.png) | 1989-11-08 |
Family
ID=31282473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5660288U Pending JPH01160785U (US06589383-20030708-C00041.png) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160785U (US06589383-20030708-C00041.png) |
-
1988
- 1988-04-28 JP JP5660288U patent/JPH01160785U/ja active Pending
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