JPS5258982A - Smoke detecting circuit for photoelectric smoke sensor - Google Patents
Smoke detecting circuit for photoelectric smoke sensorInfo
- Publication number
- JPS5258982A JPS5258982A JP13597975A JP13597975A JPS5258982A JP S5258982 A JPS5258982 A JP S5258982A JP 13597975 A JP13597975 A JP 13597975A JP 13597975 A JP13597975 A JP 13597975A JP S5258982 A JPS5258982 A JP S5258982A
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- detecting circuit
- photoelectric
- sensor
- smoke sensor
- 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
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13597975A JPS5258982A (en) | 1975-11-11 | 1975-11-11 | Smoke detecting circuit for photoelectric smoke sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13597975A JPS5258982A (en) | 1975-11-11 | 1975-11-11 | Smoke detecting circuit for photoelectric smoke sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5258982A true JPS5258982A (en) | 1977-05-14 |
Family
ID=15164338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13597975A Pending JPS5258982A (en) | 1975-11-11 | 1975-11-11 | Smoke detecting circuit for photoelectric smoke sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5258982A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS562537A (en) * | 1979-06-20 | 1981-01-12 | Matsushita Electric Ind Co Ltd | Smoke detector |
JPS595398A (en) * | 1982-06-30 | 1984-01-12 | 松下電工株式会社 | Photoelectric smoke sensor |
JP2009129319A (en) * | 2007-11-27 | 2009-06-11 | Nohmi Bosai Ltd | Extinction fire detector |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4870592A (en) * | 1971-12-23 | 1973-09-25 |
-
1975
- 1975-11-11 JP JP13597975A patent/JPS5258982A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4870592A (en) * | 1971-12-23 | 1973-09-25 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS562537A (en) * | 1979-06-20 | 1981-01-12 | Matsushita Electric Ind Co Ltd | Smoke detector |
JPS595398A (en) * | 1982-06-30 | 1984-01-12 | 松下電工株式会社 | Photoelectric smoke sensor |
JPS6367235B2 (en) * | 1982-06-30 | 1988-12-23 | Matsushita Electric Works Ltd | |
JP2009129319A (en) * | 2007-11-27 | 2009-06-11 | Nohmi Bosai Ltd | Extinction fire detector |
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