JPS52131499A - Equipment abnormality detection system for photo-electric smoke sensor - Google Patents
Equipment abnormality detection system for photo-electric smoke sensorInfo
- Publication number
- JPS52131499A JPS52131499A JP4914676A JP4914676A JPS52131499A JP S52131499 A JPS52131499 A JP S52131499A JP 4914676 A JP4914676 A JP 4914676A JP 4914676 A JP4914676 A JP 4914676A JP S52131499 A JPS52131499 A JP S52131499A
- Authority
- JP
- Japan
- Prior art keywords
- smoke sensor
- photo
- detection system
- abnormality detection
- equipment abnormality
- 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
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4914676A JPS52131499A (en) | 1976-04-27 | 1976-04-27 | Equipment abnormality detection system for photo-electric smoke sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4914676A JPS52131499A (en) | 1976-04-27 | 1976-04-27 | Equipment abnormality detection system for photo-electric smoke sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52131499A true JPS52131499A (en) | 1977-11-04 |
Family
ID=12822940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4914676A Pending JPS52131499A (en) | 1976-04-27 | 1976-04-27 | Equipment abnormality detection system for photo-electric smoke sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52131499A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0285994A (ja) * | 1989-08-01 | 1990-03-27 | Nohmi Bosai Ltd | 光電式煙感知器の機能検査装置 |
-
1976
- 1976-04-27 JP JP4914676A patent/JPS52131499A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0285994A (ja) * | 1989-08-01 | 1990-03-27 | Nohmi Bosai Ltd | 光電式煙感知器の機能検査装置 |
JPH0546000B2 (ja) * | 1989-08-01 | 1993-07-12 | Nohmi Bosai Ltd |
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