JPS5211080A - Diffused light type smoke sensor - Google Patents
Diffused light type smoke sensorInfo
- Publication number
- JPS5211080A JPS5211080A JP8703675A JP8703675A JPS5211080A JP S5211080 A JPS5211080 A JP S5211080A JP 8703675 A JP8703675 A JP 8703675A JP 8703675 A JP8703675 A JP 8703675A JP S5211080 A JPS5211080 A JP S5211080A
- Authority
- JP
- Japan
- Prior art keywords
- diffused light
- smoke sensor
- light type
- type smoke
- light
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
Abstract
PURPOSE:To use two slit screeens in collecting a large quantity of light diffused in the direction of the high flux from the source of light, thereby achieving a high sensitivity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8703675A JPS5211080A (en) | 1975-07-16 | 1975-07-16 | Diffused light type smoke sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8703675A JPS5211080A (en) | 1975-07-16 | 1975-07-16 | Diffused light type smoke sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5211080A true JPS5211080A (en) | 1977-01-27 |
JPS5634056B2 JPS5634056B2 (en) | 1981-08-07 |
Family
ID=13903711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8703675A Granted JPS5211080A (en) | 1975-07-16 | 1975-07-16 | Diffused light type smoke sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5211080A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02298471A (en) * | 1989-05-10 | 1990-12-10 | Zexel Corp | Automatic driver device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61275562A (en) * | 1985-05-31 | 1986-12-05 | Honda Motor Co Ltd | Air-cleaner |
-
1975
- 1975-07-16 JP JP8703675A patent/JPS5211080A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02298471A (en) * | 1989-05-10 | 1990-12-10 | Zexel Corp | Automatic driver device |
Also Published As
Publication number | Publication date |
---|---|
JPS5634056B2 (en) | 1981-08-07 |
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