CA1196512A - Hygrometre a infrarouge a balayage electronique - Google Patents
Hygrometre a infrarouge a balayage electroniqueInfo
- Publication number
- CA1196512A CA1196512A CA000438862A CA438862A CA1196512A CA 1196512 A CA1196512 A CA 1196512A CA 000438862 A CA000438862 A CA 000438862A CA 438862 A CA438862 A CA 438862A CA 1196512 A CA1196512 A CA 1196512A
- Authority
- CA
- Canada
- Prior art keywords
- web
- light
- filter
- regions
- radiation
- 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
- 230000005855 radiation Effects 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims description 28
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43363082A | 1982-10-12 | 1982-10-12 | |
| US433,630 | 1982-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1196512A true CA1196512A (fr) | 1985-11-12 |
Family
ID=23720905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000438862A Expired CA1196512A (fr) | 1982-10-12 | 1983-10-12 | Hygrometre a infrarouge a balayage electronique |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS59135350A (fr) |
| CA (1) | CA1196512A (fr) |
| DE (1) | DE3336659C2 (fr) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928013A (en) * | 1987-02-17 | 1990-05-22 | Measurex Corporation | Temperature insensitive moisture sensor |
| US5338361A (en) * | 1991-11-04 | 1994-08-16 | Measurex Corporation | Multiple coat measurement and control apparatus and method |
| US6188077B1 (en) | 1996-10-15 | 2001-02-13 | Stora Kopparbegs Bergslags Ab | Method and measuring machine for analyzing a paper web |
| US6780284B2 (en) * | 2000-12-22 | 2004-08-24 | Metso Automation Oy | Method and apparatus for controlling moisture profile of moving paper web |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI73319C (fi) * | 1984-12-04 | 1987-09-10 | Pertti Puumalainen | Foerfarande foer maetning av egenskaperna i en tvaerprofil hos en kontinuerlig materialbana. |
| US5019710A (en) * | 1989-03-30 | 1991-05-28 | Measurex Corporation | Optical system for detecting properties of traveling sheet materials |
| US5343045A (en) * | 1993-06-11 | 1994-08-30 | Ontario Hydro | Method and device for measuring moisture content |
| DE19520035C1 (de) * | 1995-03-31 | 1996-11-07 | Gta Sensorik Gmbh | Verfahren zur berührungslosen Messung der Oberflächenfeuchte von Objekten |
| DE19701904C2 (de) * | 1997-01-21 | 2002-02-14 | Michael Tummuscheit | Vorrichtung zur quantitativen Bestimmung der Oberflächenfeuchte mit Hilfe eines kombinierten Verfahrens |
| DE19927452C2 (de) * | 1999-06-16 | 2001-05-03 | Wilhelm Rapp | Vorrichtung zur Messung von Feuchtigkeit und Reflexionsvermögen von Oberflächen |
| FI20010560A (fi) * | 2001-03-20 | 2002-09-21 | Aca Systems Oy | Menetelmä rainamaisen materiaalin ominaisuuksien mittaamiseksi ja laitteisto menetelmän soveltamiseksi |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI45797C (fi) * | 1970-04-20 | 1972-09-11 | Nokia Oy Ab | Materiaalirainojen säteilymittauslaite. |
| JPS4842953U (fr) * | 1971-09-24 | 1973-06-02 | ||
| JPS50156994A (fr) * | 1974-06-08 | 1975-12-18 | ||
| DE2800083C2 (de) * | 1977-11-28 | 1986-05-15 | Gallaher Ltd., London | Vorrichtung zur Überwachung der Oberfläche insbesondere einer Zigarette |
| DE2911177A1 (de) * | 1979-03-22 | 1980-10-02 | Betr Forsch Inst Angew Forsch | Verfahren zur oberflaechenpruefung von kalten, durchlaufenden baendern und vorrichtung zur durchfuehrung des verfahrens |
-
1983
- 1983-10-08 DE DE19833336659 patent/DE3336659C2/de not_active Expired - Fee Related
- 1983-10-12 JP JP18941383A patent/JPS59135350A/ja active Granted
- 1983-10-12 CA CA000438862A patent/CA1196512A/fr not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928013A (en) * | 1987-02-17 | 1990-05-22 | Measurex Corporation | Temperature insensitive moisture sensor |
| US5338361A (en) * | 1991-11-04 | 1994-08-16 | Measurex Corporation | Multiple coat measurement and control apparatus and method |
| US5455422A (en) * | 1991-11-04 | 1995-10-03 | Measurex Corporation | Multiple coat measurement and control apparatus and method |
| US6188077B1 (en) | 1996-10-15 | 2001-02-13 | Stora Kopparbegs Bergslags Ab | Method and measuring machine for analyzing a paper web |
| US6780284B2 (en) * | 2000-12-22 | 2004-08-24 | Metso Automation Oy | Method and apparatus for controlling moisture profile of moving paper web |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3336659C2 (de) | 1993-10-07 |
| JPH0564293B2 (fr) | 1993-09-14 |
| DE3336659A1 (de) | 1984-04-12 |
| JPS59135350A (ja) | 1984-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |