JPH0545137B2 - - Google Patents
Info
- Publication number
- JPH0545137B2 JPH0545137B2 JP29606485A JP29606485A JPH0545137B2 JP H0545137 B2 JPH0545137 B2 JP H0545137B2 JP 29606485 A JP29606485 A JP 29606485A JP 29606485 A JP29606485 A JP 29606485A JP H0545137 B2 JPH0545137 B2 JP H0545137B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- paper
- signal
- reflected light
- once
- 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
- 238000005259 measurement Methods 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 23
- 238000000790 scattering method Methods 0.000 claims description 16
- 230000003595 spectral effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 239000010893 paper waste Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method 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
- 238000002474 experimental method Methods 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002834 transmittance 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
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
- G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper
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 |
|---|---|---|---|
| JP60296064A JPS62156544A (ja) | 1985-12-27 | 1985-12-27 | 紙の水分量測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60296064A JPS62156544A (ja) | 1985-12-27 | 1985-12-27 | 紙の水分量測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62156544A JPS62156544A (ja) | 1987-07-11 |
| JPH0545137B2 true JPH0545137B2 (en]) | 1993-07-08 |
Family
ID=17828636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60296064A Granted JPS62156544A (ja) | 1985-12-27 | 1985-12-27 | 紙の水分量測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156544A (en]) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5957327B2 (ja) * | 2012-07-30 | 2016-07-27 | スタンレー電気株式会社 | 記録媒体判別装置 |
| JP6916302B2 (ja) | 2017-04-21 | 2021-08-11 | ヒューレット−パッカード デベロップメント カンパニー エル．ピー．Ｈｅｗｌｅｔｔ‐Ｐａｃｋａｒｄ Ｄｅｖｅｌｏｐｍｅｎｔ Ｃｏｍｐａｎｙ， Ｌ．Ｐ． | センサ較正 |
| WO2018194683A1 (en) | 2017-04-21 | 2018-10-25 | Hewlett-Packard Development Company, L.P. | Media bin sensors |
-
1985
- 1985-12-27 JP JP60296064A patent/JPS62156544A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62156544A (ja) | 1987-07-11 |
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