JPS6416773U - - Google Patents
Info
- Publication number
- JPS6416773U JPS6416773U JP11182887U JP11182887U JPS6416773U JP S6416773 U JPS6416773 U JP S6416773U JP 11182887 U JP11182887 U JP 11182887U JP 11182887 U JP11182887 U JP 11182887U JP S6416773 U JPS6416773 U JP S6416773U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- calling signal
- calling
- series
- detection 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11182887U JPS6416773U (no) | 1987-07-21 | 1987-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11182887U JPS6416773U (no) | 1987-07-21 | 1987-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6416773U true JPS6416773U (no) | 1989-01-27 |
Family
ID=31350222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11182887U Pending JPS6416773U (no) | 1987-07-21 | 1987-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6416773U (no) |
-
1987
- 1987-07-21 JP JP11182887U patent/JPS6416773U/ja active Pending