JPH02113463U - - Google Patents
Info
- Publication number
- JPH02113463U JPH02113463U JP2291589U JP2291589U JPH02113463U JP H02113463 U JPH02113463 U JP H02113463U JP 2291589 U JP2291589 U JP 2291589U JP 2291589 U JP2291589 U JP 2291589U JP H02113463 U JPH02113463 U JP H02113463U
- Authority
- JP
- Japan
- Prior art keywords
- room
- control room
- slave unit
- collective entrance
- apartment complex
- 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
- 230000006386 memory function Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2291589U JPH02113463U (fi) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2291589U JPH02113463U (fi) | 1989-02-28 | 1989-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02113463U true JPH02113463U (fi) | 1990-09-11 |
Family
ID=31241457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2291589U Pending JPH02113463U (fi) | 1989-02-28 | 1989-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02113463U (fi) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554135A (en) * | 1978-06-23 | 1980-01-12 | Matsushita Electric Ind Co Ltd | Multi-station interphone unit |
| JPS61125699A (ja) * | 1984-11-24 | 1986-06-13 | 松下電工株式会社 | 集合住宅用監視通話システム |
-
1989
- 1989-02-28 JP JP2291589U patent/JPH02113463U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554135A (en) * | 1978-06-23 | 1980-01-12 | Matsushita Electric Ind Co Ltd | Multi-station interphone unit |
| JPS61125699A (ja) * | 1984-11-24 | 1986-06-13 | 松下電工株式会社 | 集合住宅用監視通話システム |