JPS6123496B2 - - Google Patents
Info
- Publication number
- JPS6123496B2 JPS6123496B2 JP1604380A JP1604380A JPS6123496B2 JP S6123496 B2 JPS6123496 B2 JP S6123496B2 JP 1604380 A JP1604380 A JP 1604380A JP 1604380 A JP1604380 A JP 1604380A JP S6123496 B2 JPS6123496 B2 JP S6123496B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- paper
- light
- moisture
- moisture content
- 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
- 238000002834 transmittance Methods 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000790 scattering method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 21
- 238000001514 detection method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 239000010893 paper waste Substances 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 7
- 239000002994 raw material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000012545 processing Methods 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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 |
---|---|---|---|
JP1604380A JPS56138240A (en) | 1980-02-14 | 1980-02-14 | Method and apparatus for measuring water quantity, water percentage and the like of paper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1604380A JPS56138240A (en) | 1980-02-14 | 1980-02-14 | Method and apparatus for measuring water quantity, water percentage and the like of paper |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56138240A JPS56138240A (en) | 1981-10-28 |
JPS6123496B2 true JPS6123496B2 (enrdf_load_stackoverflow) | 1986-06-06 |
Family
ID=11905537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1604380A Granted JPS56138240A (en) | 1980-02-14 | 1980-02-14 | Method and apparatus for measuring water quantity, water percentage and the like of paper |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56138240A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0648244B2 (ja) * | 1988-10-25 | 1994-06-22 | 横河電機株式会社 | 坪量の影響を低減した赤外線水分計 |
-
1980
- 1980-02-14 JP JP1604380A patent/JPS56138240A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56138240A (en) | 1981-10-28 |
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