CA1051218A - Mesure des proprietes optiques du papier par des moyens de luminance et de transmission - Google Patents

Mesure des proprietes optiques du papier par des moyens de luminance et de transmission

Info

Publication number
CA1051218A
CA1051218A CA216,125A CA216125A CA1051218A CA 1051218 A CA1051218 A CA 1051218A CA 216125 A CA216125 A CA 216125A CA 1051218 A CA1051218 A CA 1051218A
Authority
CA
Canada
Prior art keywords
paper
light energy
optical
reflectance
sheet material
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
Application number
CA216,125A
Other languages
English (en)
Other versions
CA216125S (en
Inventor
Fred P. Lodzinski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nekoosa Edwards Paper Co
Original Assignee
Nekoosa Edwards Paper Co
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 Nekoosa Edwards Paper Co filed Critical Nekoosa Edwards Paper Co
Priority to CA310,963A priority Critical patent/CA1082945A/fr
Application granted granted Critical
Publication of CA1051218A publication Critical patent/CA1051218A/fr
Expired 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/86—Investigating moving sheets
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0007—Image acquisition

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Paper (AREA)
CA216,125A 1973-12-28 1974-12-16 Mesure des proprietes optiques du papier par des moyens de luminance et de transmission Expired CA1051218A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA310,963A CA1082945A (fr) 1973-12-28 1978-09-08 Methode et appareil optique de controle sur machine a papier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42963773A 1973-12-28 1973-12-28

Publications (1)

Publication Number Publication Date
CA1051218A true CA1051218A (fr) 1979-03-27

Family

ID=23704103

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,125A Expired CA1051218A (fr) 1973-12-28 1974-12-16 Mesure des proprietes optiques du papier par des moyens de luminance et de transmission

Country Status (2)

Country Link
CA (1) CA1051218A (fr)
GB (2) GB1498417A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213533A1 (de) * 1982-04-10 1983-10-20 Bruker Analytische Meßtechnik GmbH, 7512 Rheinstetten Infrarot-spektrometer
US4602160A (en) * 1983-09-28 1986-07-22 Sentrol Systems Ltd. Infrared constituent analyzer and control system
DE4447061A1 (de) * 1994-12-29 1996-07-04 Huels Chemische Werke Ag Verfahren zur Beurteilung der Druckqualität
US5642189A (en) * 1995-06-12 1997-06-24 Measurex Corporation Color sensor simulating standard source illuminant

Also Published As

Publication number Publication date
GB1498419A (en) 1978-01-18
GB1498417A (en) 1978-01-18

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