JPH0410268B2 - - Google Patents
Info
- Publication number
- JPH0410268B2 JPH0410268B2 JP23502786A JP23502786A JPH0410268B2 JP H0410268 B2 JPH0410268 B2 JP H0410268B2 JP 23502786 A JP23502786 A JP 23502786A JP 23502786 A JP23502786 A JP 23502786A JP H0410268 B2 JPH0410268 B2 JP H0410268B2
- Authority
- JP
- Japan
- Prior art keywords
- ringer
- signal
- switch
- polarity
- circuit
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 10
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23502786A JPS6388946A (ja) | 1986-10-02 | 1986-10-02 | リンガ−送出制御回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23502786A JPS6388946A (ja) | 1986-10-02 | 1986-10-02 | リンガ−送出制御回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6388946A JPS6388946A (ja) | 1988-04-20 |
| JPH0410268B2 true JPH0410268B2 (enrdf_load_stackoverflow) | 1992-02-24 |
Family
ID=16979994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23502786A Granted JPS6388946A (ja) | 1986-10-02 | 1986-10-02 | リンガ−送出制御回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6388946A (enrdf_load_stackoverflow) |
-
1986
- 1986-10-02 JP JP23502786A patent/JPS6388946A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6388946A (ja) | 1988-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |