JPS63191746U - - Google Patents
Info
- Publication number
- JPS63191746U JPS63191746U JP8090187U JP8090187U JPS63191746U JP S63191746 U JPS63191746 U JP S63191746U JP 8090187 U JP8090187 U JP 8090187U JP 8090187 U JP8090187 U JP 8090187U JP S63191746 U JPS63191746 U JP S63191746U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- relay
- external
- hook detection
- mailbox information
- 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 4
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8090187U JPS63191746U (cs) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8090187U JPS63191746U (cs) | 1987-05-29 | 1987-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63191746U true JPS63191746U (cs) | 1988-12-09 |
Family
ID=30932135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8090187U Pending JPS63191746U (cs) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63191746U (cs) |
-
1987
- 1987-05-29 JP JP8090187U patent/JPS63191746U/ja active Pending
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