JPS63156137U - - Google Patents
Info
- Publication number
- JPS63156137U JPS63156137U JP4977887U JP4977887U JPS63156137U JP S63156137 U JPS63156137 U JP S63156137U JP 4977887 U JP4977887 U JP 4977887U JP 4977887 U JP4977887 U JP 4977887U JP S63156137 U JPS63156137 U JP S63156137U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- telephone
- hold
- signal
- full
- 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
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4977887U JPS63156137U (enExample) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4977887U JPS63156137U (enExample) | 1987-03-31 | 1987-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156137U true JPS63156137U (enExample) | 1988-10-13 |
Family
ID=30872544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4977887U Pending JPS63156137U (enExample) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156137U (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60250763A (ja) * | 1984-05-25 | 1985-12-11 | Matsushita Electric Works Ltd | 電話機の保留アダプタ |
-
1987
- 1987-03-31 JP JP4977887U patent/JPS63156137U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60250763A (ja) * | 1984-05-25 | 1985-12-11 | Matsushita Electric Works Ltd | 電話機の保留アダプタ |