JPS62109585U - - Google Patents
Info
- Publication number
- JPS62109585U JPS62109585U JP20012585U JP20012585U JPS62109585U JP S62109585 U JPS62109585 U JP S62109585U JP 20012585 U JP20012585 U JP 20012585U JP 20012585 U JP20012585 U JP 20012585U JP S62109585 U JPS62109585 U JP S62109585U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- signals
- control signals
- diagram showing
- control
- 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
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20012585U JPS62109585U (2) | 1985-12-25 | 1985-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20012585U JPS62109585U (2) | 1985-12-25 | 1985-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62109585U true JPS62109585U (2) | 1987-07-13 |
Family
ID=31162346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20012585U Pending JPS62109585U (2) | 1985-12-25 | 1985-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109585U (2) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5995761A (ja) * | 1982-11-24 | 1984-06-01 | Sony Corp | 搬送式インタ−ホン |
| JPS60172875A (ja) * | 1984-02-17 | 1985-09-06 | Mitsubishi Electric Corp | 音響カプラ |
-
1985
- 1985-12-25 JP JP20012585U patent/JPS62109585U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5995761A (ja) * | 1982-11-24 | 1984-06-01 | Sony Corp | 搬送式インタ−ホン |
| JPS60172875A (ja) * | 1984-02-17 | 1985-09-06 | Mitsubishi Electric Corp | 音響カプラ |
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