JPH0426955Y2 - - Google Patents
Info
- Publication number
- JPH0426955Y2 JPH0426955Y2 JP13701885U JP13701885U JPH0426955Y2 JP H0426955 Y2 JPH0426955 Y2 JP H0426955Y2 JP 13701885 U JP13701885 U JP 13701885U JP 13701885 U JP13701885 U JP 13701885U JP H0426955 Y2 JPH0426955 Y2 JP H0426955Y2
- Authority
- JP
- Japan
- Prior art keywords
- intercom
- detection element
- alarm
- terminal
- security
- 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
- 238000001514 detection method Methods 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 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 |
|---|---|---|---|
| JP13701885U JPH0426955Y2 (en]) | 1985-09-06 | 1985-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13701885U JPH0426955Y2 (en]) | 1985-09-06 | 1985-09-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6246998U JPS6246998U (en]) | 1987-03-23 |
| JPH0426955Y2 true JPH0426955Y2 (en]) | 1992-06-29 |
Family
ID=31040676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13701885U Expired JPH0426955Y2 (en]) | 1985-09-06 | 1985-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426955Y2 (en]) |
-
1985
- 1985-09-06 JP JP13701885U patent/JPH0426955Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6246998U (en]) | 1987-03-23 |
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