JPS595398A - 光電式煙感知器 - Google Patents
光電式煙感知器Info
- Publication number
- JPS595398A JPS595398A JP11507782A JP11507782A JPS595398A JP S595398 A JPS595398 A JP S595398A JP 11507782 A JP11507782 A JP 11507782A JP 11507782 A JP11507782 A JP 11507782A JP S595398 A JPS595398 A JP S595398A
- Authority
- JP
- Japan
- Prior art keywords
- light
- smoke
- section
- light emitting
- amount
- 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
- 239000000779 smoke Substances 0.000 title claims description 24
- 238000001514 detection method Methods 0.000 claims description 15
- 230000006866 deterioration Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11507782A JPS595398A (ja) | 1982-06-30 | 1982-06-30 | 光電式煙感知器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11507782A JPS595398A (ja) | 1982-06-30 | 1982-06-30 | 光電式煙感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS595398A true JPS595398A (ja) | 1984-01-12 |
JPS6367235B2 JPS6367235B2 (enrdf_load_stackoverflow) | 1988-12-23 |
Family
ID=14653605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11507782A Granted JPS595398A (ja) | 1982-06-30 | 1982-06-30 | 光電式煙感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS595398A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7659986B2 (en) | 2007-11-15 | 2010-02-09 | Sharp Kabushiki Kaisha | Smoke sensor and electronic equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258982A (en) * | 1975-11-11 | 1977-05-14 | Matsushita Electric Works Ltd | Smoke detecting circuit for photoelectric smoke sensor |
-
1982
- 1982-06-30 JP JP11507782A patent/JPS595398A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258982A (en) * | 1975-11-11 | 1977-05-14 | Matsushita Electric Works Ltd | Smoke detecting circuit for photoelectric smoke sensor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7659986B2 (en) | 2007-11-15 | 2010-02-09 | Sharp Kabushiki Kaisha | Smoke sensor and electronic equipment |
Also Published As
Publication number | Publication date |
---|---|
JPS6367235B2 (enrdf_load_stackoverflow) | 1988-12-23 |
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