SE368990B - - Google Patents

Info

Publication number
SE368990B
SE368990B SE01926/70A SE192670A SE368990B SE 368990 B SE368990 B SE 368990B SE 01926/70 A SE01926/70 A SE 01926/70A SE 192670 A SE192670 A SE 192670A SE 368990 B SE368990 B SE 368990B
Authority
SE
Sweden
Application number
SE01926/70A
Inventor
R Hill
J French
R Toepfer
Original Assignee
Measurex Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Measurex Corp filed Critical Measurex Corp
Publication of SE368990B publication Critical patent/SE368990B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/06—Moisture and basic weight
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/09—Uses for paper making sludge
    • Y10S162/10—Computer control of paper making variables
    • Y10S162/11—Wet end paper making variables

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE01926/70A 1969-02-17 1970-02-16 SE368990B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79978469A 1969-02-17 1969-02-17

Publications (1)

Publication Number Publication Date
SE368990B true SE368990B (xx) 1974-07-29

Family

ID=25176738

Family Applications (1)

Application Number Title Priority Date Filing Date
SE01926/70A SE368990B (xx) 1969-02-17 1970-02-16

Country Status (5)

Country Link
US (1) US3614450A (xx)
JP (1) JPS525869B1 (xx)
DE (1) DE2004087C3 (xx)
GB (1) GB1271439A (xx)
SE (1) SE368990B (xx)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709612A (en) * 1971-03-10 1973-01-09 Miles Lab Apparatus for measuring reflected light under stabilized light source conditions
US3887473A (en) * 1971-09-07 1975-06-03 Bergishagen & Associates Method and system for the infrared analysis of gases
US3790796A (en) * 1972-06-05 1974-02-05 Infra Systems Inc Method and apparatus for measurement of sheet opacity
IT1031452B (it) * 1975-02-04 1979-04-30 Leeds & Northrup Spa Analizzatore a raggi infrarossi con energia radiante cost ante
US4006358A (en) * 1975-06-12 1977-02-01 Measurex Corporation Method and apparatus for measuring the amount of moisture that is associated with a web of moving material
GB2013881B (en) * 1978-02-03 1982-06-16 Measurex Corp Method of measuring the amount of substance associated with a material in the presence of a contaminant
JPS54170983U (xx) * 1978-05-22 1979-12-03
SE452513B (sv) * 1979-11-22 1987-11-30 Svenska Traeforskningsinst Forfarande och anordning for att bestemma koncentrationen av ett emne i partiklar burna av ett strommande medium
SE450528B (sv) * 1981-03-19 1987-06-29 Svenska Traeforskningsinst Forfarande for metning av innehallet av kryll i pappersmassa
FI824185L (fi) * 1981-12-07 1983-06-08 Valmet Oy Optiskt foerfarande och optisk anordning foer maetning av konsistensen av massasuspension
GB8325691D0 (en) * 1983-09-26 1983-10-26 Wiggins Teape Group Ltd Measuring water content
US5459319A (en) * 1988-02-23 1995-10-17 The Boeing Company Radiation detector circuit having a 1-bit quantized output
US5183042A (en) * 1989-05-23 1993-02-02 Vivascan Corporation Electromagnetic method and apparatus to measure constituents of human or animal tissue
ATE80225T1 (de) * 1989-05-23 1992-09-15 Biosensors Technology Inc Verfahren zur bestimmung mittels strahlungsabsorption von substanzen in absorbierenden und streuenden matrixmaterialien.
US5178142A (en) * 1989-05-23 1993-01-12 Vivascan Corporation Electromagnetic method and apparatus to measure constituents of human or animal tissue
US5010766A (en) * 1989-11-30 1991-04-30 Impact Systems, Inc. Error compensation for measuring gauges
US5338361A (en) * 1991-11-04 1994-08-16 Measurex Corporation Multiple coat measurement and control apparatus and method
US5276327A (en) * 1991-12-09 1994-01-04 Measurex Corporation Sensor and method for mesaurement of select components of a material
US5277181A (en) * 1991-12-12 1994-01-11 Vivascan Corporation Noninvasive measurement of hematocrit and hemoglobin content by differential optical analysis
WO1993012712A1 (en) * 1991-12-31 1993-07-08 Vivascan Corporation Blood constituent determination based on differential spectral analysis
US5492601A (en) * 1994-07-29 1996-02-20 Wangner Systems Corporation Laser apparatus and method for monitoring the de-watering of stock on papermaking machines
US5587051A (en) * 1994-07-29 1996-12-24 Ostermayer; Volker Simplified laser apparatus and method for measuring stock thickness on papermaking machines
GB2303444B (en) * 1995-07-13 1999-03-10 Protimeter Plc Method of and apparatus for detecting moisture
GB2334097C (en) * 1998-02-06 2005-09-14 British Gas Plc Method and apparatus to detect the presence of water on a surface
DE19831612A1 (de) * 1998-07-14 2000-01-20 Voith Sulzer Papiermasch Gmbh Meßsystem
DE19912500A1 (de) * 1999-03-19 2000-09-21 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum Bestimmen von Eigenschaften einer laufenden Materialbahn
DE19927452C2 (de) * 1999-06-16 2001-05-03 Wilhelm Rapp Vorrichtung zur Messung von Feuchtigkeit und Reflexionsvermögen von Oberflächen
US7003337B2 (en) * 2002-04-26 2006-02-21 Vivascan Corporation Non-invasive substance concentration measurement using and optical bridge
US8175666B2 (en) * 2002-04-26 2012-05-08 Grove Instruments, Inc. Three diode optical bridge system
US9891164B2 (en) 2015-08-27 2018-02-13 Honeywell Limited Holmium oxide glasses as calibration standards for near infrared moisture sensors
US11895953B2 (en) 2019-05-31 2024-02-13 Argus Control Systems Ltd. Plant health monitoring apparatus and methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2834246A (en) * 1954-06-16 1958-05-13 Laurence W Foskett Method and apparatus for absorption spectra analysis
US2995978A (en) * 1958-09-26 1961-08-15 Eastman Kodak Co Photographic printer circuit
US3245305A (en) * 1961-08-21 1966-04-12 G K Turner Associates Radiation compensation for light sources in spectrometric apparatus
US3351518A (en) * 1962-12-14 1967-11-07 Libbey Owens Ford Glass Co Laminated glass structure
US3248549A (en) * 1962-12-21 1966-04-26 Ronaldo M Sanabria Light-responsive control system
US3454775A (en) * 1964-12-30 1969-07-08 Ibm Information decoding apparatus employing a frequency sensitive light responsive receiver
US3449585A (en) * 1966-02-15 1969-06-10 Arnold Trehub Automatic recognition system using constant intensity image bearing light beam

Also Published As

Publication number Publication date
DE2004087C3 (de) 1979-05-17
JPS525869B1 (xx) 1977-02-17
DE2004087A1 (de) 1970-08-27
GB1271439A (en) 1972-04-19
US3614450A (en) 1971-10-19
DE2004087B2 (de) 1978-09-14

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