JPS554136A - Interphone unit - Google Patents
Interphone unitInfo
- Publication number
- JPS554136A JPS554136A JP7688378A JP7688378A JPS554136A JP S554136 A JPS554136 A JP S554136A JP 7688378 A JP7688378 A JP 7688378A JP 7688378 A JP7688378 A JP 7688378A JP S554136 A JPS554136 A JP S554136A
- Authority
- JP
- Japan
- Prior art keywords
- station
- station number
- displayed
- priority
- calls
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7688378A JPS5923509B2 (ja) | 1978-06-23 | 1978-06-23 | インタ−ホン装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7688378A JPS5923509B2 (ja) | 1978-06-23 | 1978-06-23 | インタ−ホン装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58153474A Division JPS5957559A (ja) | 1983-08-22 | 1983-08-22 | 多局インタ−ホン装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS554136A true JPS554136A (en) | 1980-01-12 |
| JPS5923509B2 JPS5923509B2 (ja) | 1984-06-02 |
Family
ID=13618026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7688378A Expired JPS5923509B2 (ja) | 1978-06-23 | 1978-06-23 | インタ−ホン装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5923509B2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745768A (en) * | 1980-08-30 | 1982-03-15 | Matsushita Electric Works Ltd | Emergency telephone device |
-
1978
- 1978-06-23 JP JP7688378A patent/JPS5923509B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745768A (en) * | 1980-08-30 | 1982-03-15 | Matsushita Electric Works Ltd | Emergency telephone device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5923509B2 (ja) | 1984-06-02 |
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