JPS6225984B2 - - Google Patents
Info
- Publication number
- JPS6225984B2 JPS6225984B2 JP56071571A JP7157181A JPS6225984B2 JP S6225984 B2 JPS6225984 B2 JP S6225984B2 JP 56071571 A JP56071571 A JP 56071571A JP 7157181 A JP7157181 A JP 7157181A JP S6225984 B2 JPS6225984 B2 JP S6225984B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- light
- dust
- window
- irradiation
- 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
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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/86—Investigating moving sheets
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 |
---|---|---|---|
JP7157181A JPS57186156A (en) | 1981-05-13 | 1981-05-13 | Characteristic measuring device for sheet of body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7157181A JPS57186156A (en) | 1981-05-13 | 1981-05-13 | Characteristic measuring device for sheet of body |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57186156A JPS57186156A (en) | 1982-11-16 |
JPS6225984B2 true JPS6225984B2 (enrdf_load_stackoverflow) | 1987-06-05 |
Family
ID=13464519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7157181A Granted JPS57186156A (en) | 1981-05-13 | 1981-05-13 | Characteristic measuring device for sheet of body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57186156A (enrdf_load_stackoverflow) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3793524A (en) * | 1972-09-05 | 1974-02-19 | Measurex Corp | Apparatus for measuring a characteristic of sheet materials |
JPS60620B2 (ja) * | 1979-05-21 | 1985-01-09 | 横河電機株式会社 | 紙の水分量を測定する方法および装置 |
-
1981
- 1981-05-13 JP JP7157181A patent/JPS57186156A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57186156A (en) | 1982-11-16 |
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