JPH0552455B2 - - Google Patents
Info
- Publication number
- JPH0552455B2 JPH0552455B2 JP21766884A JP21766884A JPH0552455B2 JP H0552455 B2 JPH0552455 B2 JP H0552455B2 JP 21766884 A JP21766884 A JP 21766884A JP 21766884 A JP21766884 A JP 21766884A JP H0552455 B2 JPH0552455 B2 JP H0552455B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- section
- optical fiber
- fiber cable
- signal processing
- 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 - Lifetime
Links
- 239000013307 optical fiber Substances 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000002834 transmittance Methods 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21766884A JPS6196442A (ja) | 1984-10-17 | 1984-10-17 | 光フアイバ−応用の校正機能をもつた煙霧透過率測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21766884A JPS6196442A (ja) | 1984-10-17 | 1984-10-17 | 光フアイバ−応用の校正機能をもつた煙霧透過率測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6196442A JPS6196442A (ja) | 1986-05-15 |
JPH0552455B2 true JPH0552455B2 (enrdf_load_stackoverflow) | 1993-08-05 |
Family
ID=16707845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21766884A Granted JPS6196442A (ja) | 1984-10-17 | 1984-10-17 | 光フアイバ−応用の校正機能をもつた煙霧透過率測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6196442A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6948523B2 (ja) * | 2017-11-30 | 2021-10-13 | パナソニックIpマネジメント株式会社 | 煙霧透過率測定装置およびそれを用いた煙霧透過率測定方法 |
-
1984
- 1984-10-17 JP JP21766884A patent/JPS6196442A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6196442A (ja) | 1986-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |