IT1012219B - Procedimento e disposizione per la misura di opacita ottica - Google Patents

Procedimento e disposizione per la misura di opacita ottica

Info

Publication number
IT1012219B
IT1012219B IT22511/74A IT2251174A IT1012219B IT 1012219 B IT1012219 B IT 1012219B IT 22511/74 A IT22511/74 A IT 22511/74A IT 2251174 A IT2251174 A IT 2251174A IT 1012219 B IT1012219 B IT 1012219B
Authority
IT
Italy
Prior art keywords
procedure
measurement
arrangement
optical opacity
opacity
Prior art date
Application number
IT22511/74A
Other languages
English (en)
Original Assignee
Industrial Nucleonics 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 Industrial Nucleonics Corp filed Critical Industrial Nucleonics Corp
Application granted granted Critical
Publication of IT1012219B publication Critical patent/IT1012219B/it

Links

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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/86—Investigating moving sheets
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
IT22511/74A 1973-05-09 1974-05-09 Procedimento e disposizione per la misura di opacita ottica IT1012219B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00358606A US3827808A (en) 1973-05-09 1973-05-09 Method and apparatus for measuring the opacity of sheet material in which the transmittance signal is compensated for the reflectivity of the material

Publications (1)

Publication Number Publication Date
IT1012219B true IT1012219B (it) 1977-03-10

Family

ID=23410338

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22511/74A IT1012219B (it) 1973-05-09 1974-05-09 Procedimento e disposizione per la misura di opacita ottica

Country Status (11)

Country Link
US (1) US3827808A (it)
JP (1) JPS5741689B2 (it)
BR (1) BR7403765D0 (it)
CA (1) CA1010263A (it)
DE (1) DE2421299C2 (it)
FI (1) FI58400C (it)
FR (1) FR2229062B1 (it)
GB (1) GB1473233A (it)
IE (1) IE39867B1 (it)
IT (1) IT1012219B (it)
SE (1) SE407981B (it)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288160A (en) * 1973-12-28 1981-09-08 Nekoosa Papers Inc. Optical property measurement system and method
US4019819A (en) * 1973-12-28 1977-04-26 Nekoosa Papers Inc. Optical property measurement and control system
US3992100A (en) * 1974-02-04 1976-11-16 Nekoosa Papers Inc. Paper machine optical monitoring device with integral standardizing optical window
FR2295419A1 (fr) * 1974-12-21 1976-07-16 Kyoto Daiichi Kagaku Kk Dispositif de mesure de reflectance et structure de papier de test composite faisant l'objet d'une telle mesure
US4040743A (en) * 1975-09-22 1977-08-09 Howell Laboratories, Incorporated Method and apparatus for measuring the brightness of pulp slurry
US4243319A (en) * 1977-01-24 1981-01-06 Nekoosa Papers, Inc. Optical property measurement system and method
US4222064A (en) * 1977-03-07 1980-09-09 Nekoosa Papers Inc. Optical property measurement system and method
JPS6048029B2 (ja) * 1978-04-11 1985-10-24 大日本印刷株式会社 網点フイルムの減力量測定方法
GB2046432B (en) * 1979-04-09 1983-05-11 Infrared Eng Ltd Apparatus for determining the thickness moisture content or other parameter of a film or coating
US4255057A (en) * 1979-10-04 1981-03-10 The Perkin-Elmer Corporation Method for determining quality of U.S. currency
FI824185L (fi) * 1981-12-07 1983-06-08 Valmet Oy Optiskt foerfarande och optisk anordning foer maetning av konsistensen av massasuspension
US4540286A (en) * 1982-06-03 1985-09-10 Satake Engineering Co., Ltd. Apparatus for continuously measuring the degree of milling of grains
US4449398A (en) * 1982-06-24 1984-05-22 Accuray Corporation Sheet property sensor with sheet wrinkle remover
US4540887A (en) * 1983-01-28 1985-09-10 Xerox Corporation High contrast ratio paper sensor
GB8528448D0 (en) * 1985-11-19 1985-12-24 Infrared Eng Ltd Absorption gauge
US5182618A (en) * 1985-11-27 1993-01-26 Aimo Heinonen Reflectometric method of measurement and apparatus for realizing the method
US4737651A (en) * 1986-01-31 1988-04-12 Graphic Controls Corporation Optical apparatus for the measurement of coat weight of coated products
US4770538A (en) * 1986-11-12 1988-09-13 Measurex Corporation Chopper wheel alignment device
US4892409A (en) * 1988-07-14 1990-01-09 Smith Harry F Photometric apparatus for multiwell plates having a positionable lens assembly
US4998998A (en) * 1988-08-12 1991-03-12 Laurel Bank Machines Co., Ltd. Sheet discriminating apparatus
JP2736808B2 (ja) * 1988-08-12 1998-04-02 ローレルバンクマシン 株式会社 紙葉類判別装置
US5044754A (en) * 1989-12-20 1991-09-03 Eastman Kodak Company Apparatus and method for use in determining the optical transmission factor or density of a translucent element
US5338361A (en) * 1991-11-04 1994-08-16 Measurex Corporation Multiple coat measurement and control apparatus and method
WO1993012417A1 (en) * 1991-12-09 1993-06-24 Measurex Corporation Sensor and method for measurement of select components of a material
US5235192A (en) * 1991-12-09 1993-08-10 Measurex Corporation Sensor and method for measurment of select components of a material based on detection of radiation after interaction with the material
US5276327A (en) * 1991-12-09 1994-01-04 Measurex Corporation Sensor and method for mesaurement of select components of a material
WO1996035112A1 (en) * 1995-05-05 1996-11-07 Measurex Corporation Sheet stabilizer for optical sensor
FI114337B (fi) * 2001-07-03 2004-09-30 Metso Automation Oy Menetelmä ja mittalaite liikkuvan rainan ainakin yhden ominaisuuden mittaamiseksi
US6590223B1 (en) 2001-07-03 2003-07-08 Lexmark International, Inc. Apparatus and method for media presence detection
US6914684B1 (en) 2001-07-05 2005-07-05 Lexmark International, Inc. Method and apparatus for detecting media type
US6657714B2 (en) * 2001-09-24 2003-12-02 Applied Materials, Inc. Defect detection with enhanced dynamic range
JP4819673B2 (ja) * 2003-04-07 2011-11-24 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 平面物体の裏面にある印刷画像の目に見える裏写りを定量化するための方法および装置
CA2697543C (en) 2007-08-31 2016-01-26 Abb Ltd. Web thickness measurement device
SE533594C2 (sv) * 2008-11-11 2010-11-02 Stora Enso Ab Bestämning av ytegenskaper hos ett objekt
US9325860B2 (en) * 2010-12-01 2016-04-26 Quadtech, Inc. Line color monitoring system
US11788970B2 (en) * 2016-02-11 2023-10-17 Honeywell International Inc. Probing film that absorbs and reacts with gases, with transmitted light for higher gas sensitivity
US10183616B2 (en) * 2017-06-19 2019-01-22 Valeo North America, Inc. Display system to display outside the vehicle
JP7225748B2 (ja) * 2018-12-11 2023-02-21 コニカミノルタ株式会社 判別装置および画像形成装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3455637A (en) * 1964-08-07 1969-07-15 Giannini Controls Corp Method and apparatus for measuring the opacity of sheet material

Also Published As

Publication number Publication date
SE407981B (sv) 1979-04-30
JPS5741689B2 (it) 1982-09-04
FI58400C (fi) 1981-01-12
JPS5032982A (it) 1975-03-29
IE39867B1 (en) 1979-01-17
DE2421299C2 (de) 1985-02-21
DE2421299A1 (de) 1974-12-19
IE39867L (en) 1974-11-09
CA1010263A (en) 1977-05-17
BR7403765D0 (pt) 1974-12-03
GB1473233A (en) 1977-05-11
US3827808A (en) 1974-08-06
FI58400B (fi) 1980-09-30
FR2229062B1 (it) 1978-08-04
AU6845374A (en) 1975-11-06
FR2229062A1 (it) 1974-12-06

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