JPH0413905B2 - - Google Patents
Info
- Publication number
- JPH0413905B2 JPH0413905B2 JP62331054A JP33105487A JPH0413905B2 JP H0413905 B2 JPH0413905 B2 JP H0413905B2 JP 62331054 A JP62331054 A JP 62331054A JP 33105487 A JP33105487 A JP 33105487A JP H0413905 B2 JPH0413905 B2 JP H0413905B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching element
- telephone
- ringer
- transistor
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000004397 blinking Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 240000006413 Prunus persica var. persica Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62331054A JPH01171354A (ja) | 1987-12-25 | 1987-12-25 | 電話装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62331054A JPH01171354A (ja) | 1987-12-25 | 1987-12-25 | 電話装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01171354A JPH01171354A (ja) | 1989-07-06 |
| JPH0413905B2 true JPH0413905B2 (enrdf_load_stackoverflow) | 1992-03-11 |
Family
ID=18239330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62331054A Granted JPH01171354A (ja) | 1987-12-25 | 1987-12-25 | 電話装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171354A (enrdf_load_stackoverflow) |
-
1987
- 1987-12-25 JP JP62331054A patent/JPH01171354A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01171354A (ja) | 1989-07-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |