JPS626761Y2 - - Google Patents
Info
- Publication number
- JPS626761Y2 JPS626761Y2 JP7487680U JP7487680U JPS626761Y2 JP S626761 Y2 JPS626761 Y2 JP S626761Y2 JP 7487680 U JP7487680 U JP 7487680U JP 7487680 U JP7487680 U JP 7487680U JP S626761 Y2 JPS626761 Y2 JP S626761Y2
- Authority
- JP
- Japan
- Prior art keywords
- call
- buzzer
- contact
- relay
- communication
- 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.)
- Expired
Links
- 238000004891 communication Methods 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7487680U JPS626761Y2 (sl) | 1980-05-29 | 1980-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7487680U JPS626761Y2 (sl) | 1980-05-29 | 1980-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56176565U JPS56176565U (sl) | 1981-12-26 |
| JPS626761Y2 true JPS626761Y2 (sl) | 1987-02-17 |
Family
ID=29437570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7487680U Expired JPS626761Y2 (sl) | 1980-05-29 | 1980-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS626761Y2 (sl) |
-
1980
- 1980-05-29 JP JP7487680U patent/JPS626761Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56176565U (sl) | 1981-12-26 |
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