JPS525869B1 - - Google Patents

Info

Publication number
JPS525869B1
JPS525869B1 JP45011428A JP1142870A JPS525869B1 JP S525869 B1 JPS525869 B1 JP S525869B1 JP 45011428 A JP45011428 A JP 45011428A JP 1142870 A JP1142870 A JP 1142870A JP S525869 B1 JPS525869 B1 JP S525869B1
Authority
JP
Japan
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.)
Pending
Application number
JP45011428A
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 filed Critical
Publication of JPS525869B1 publication Critical patent/JPS525869B1/ja
Pending legal-status Critical Current

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)
JP45011428A 1969-02-17 1970-02-09 Pending JPS525869B1 (ja)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS525869B1 true JPS525869B1 (ja) 1977-02-17

Family

ID=25176738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45011428A Pending JPS525869B1 (ja) 1969-02-17 1970-02-09

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54170983U (ja) * 1978-05-22 1979-12-03

Families Citing this family (30)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54170983U (ja) * 1978-05-22 1979-12-03

Also Published As

Publication number Publication date
DE2004087C3 (de) 1979-05-17
DE2004087A1 (de) 1970-08-27
GB1271439A (en) 1972-04-19
US3614450A (en) 1971-10-19
SE368990B (ja) 1974-07-29
DE2004087B2 (de) 1978-09-14

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