FI84761B - Foerfarande och anordning foer bestaemning av dimensionen pao traespaon. - Google Patents

Foerfarande och anordning foer bestaemning av dimensionen pao traespaon. Download PDF

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Publication number
FI84761B
FI84761B FI891641A FI891641A FI84761B FI 84761 B FI84761 B FI 84761B FI 891641 A FI891641 A FI 891641A FI 891641 A FI891641 A FI 891641A FI 84761 B FI84761 B FI 84761B
Authority
FI
Finland
Prior art keywords
chip
chips
light
conveying surface
certain
Prior art date
Application number
FI891641A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI891641A (fi
FI891641A0 (fi
Inventor
Tom Fredrik Naese
Yrjoe Rainer Vuorisalo
Original Assignee
Keskuslaboratorio
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 Keskuslaboratorio filed Critical Keskuslaboratorio
Priority to FI891641A priority Critical patent/FI84761B/fi
Publication of FI891641A0 publication Critical patent/FI891641A0/fi
Priority to PCT/FI1990/000092 priority patent/WO1990012310A1/fr
Publication of FI891641A publication Critical patent/FI891641A/fi
Application granted granted Critical
Publication of FI84761B publication Critical patent/FI84761B/fi

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
    • G01N33/46—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1429—Signal processing
    • G01N15/1433—Signal processing using image recognition
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1497—Particle shape
    • 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
    • G01N2021/845—Objects on a conveyor
    • 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
    • G01N2021/8663—Paper, e.g. gloss, moisture content
    • G01N2021/8681—Paper fibre orientation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FI891641A 1989-04-05 1989-04-05 Foerfarande och anordning foer bestaemning av dimensionen pao traespaon. FI84761B (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI891641A FI84761B (fi) 1989-04-05 1989-04-05 Foerfarande och anordning foer bestaemning av dimensionen pao traespaon.
PCT/FI1990/000092 WO1990012310A1 (fr) 1989-04-05 1990-04-04 Procede et appareil servant a determiner la repartition granulometrique et/ou morphologique de particules

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI891641A FI84761B (fi) 1989-04-05 1989-04-05 Foerfarande och anordning foer bestaemning av dimensionen pao traespaon.
FI891641 1989-04-05

Publications (3)

Publication Number Publication Date
FI891641A0 FI891641A0 (fi) 1989-04-05
FI891641A FI891641A (fi) 1990-10-06
FI84761B true FI84761B (fi) 1991-09-30

Family

ID=8528188

Family Applications (1)

Application Number Title Priority Date Filing Date
FI891641A FI84761B (fi) 1989-04-05 1989-04-05 Foerfarande och anordning foer bestaemning av dimensionen pao traespaon.

Country Status (2)

Country Link
FI (1) FI84761B (fr)
WO (1) WO1990012310A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023118651A1 (fr) * 2021-12-20 2023-06-29 Teknosavo Oy Procédé et agencement de détermination de la teneur en écorce de copeaux de bois

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO318735B1 (no) * 2000-04-28 2005-05-02 Norsk Hydro As Metode for automatisk analyse av storrelsesfordeling, form og farge for partikler og automatisk partikkelanalysesystem
DE10260201A1 (de) 2002-12-20 2004-07-01 Sick Ag Verfahren und Vorrichtung zur Erfassung von auf einem Fördermittel bewegten Objekten mittels eines optoelektronischen Sensors
DE102013007125A1 (de) * 2013-04-25 2014-10-30 Fagus-Grecon Greten Gmbh & Co. Kg Verfahren zum qualitativen und quantitativen Erfassen bestimmter Bestandteile in einer Partikelschüttung und Vorrichtung zum Durchführen des Verfahrens
FI125240B (en) * 2013-05-10 2015-07-31 Kemira Oyj Method and system for detecting free fiber ends in paper
DE202014100974U1 (de) * 2014-03-04 2015-06-08 Retsch Technology Gmbh Vorrichtung zur Bestimmung der Partikelgröße und/oder der Partikelform eines Partikelgemisches
EP3469337A1 (fr) * 2016-06-14 2019-04-17 Basf Se Détermination de la forme tridimensionnelle de particules lignocellulosiques
CN109855559B (zh) * 2018-12-27 2020-08-04 成都市众智三维科技有限公司 一种全空间标定系统及方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855583C2 (de) * 1977-12-29 1984-07-12 Sumitomo Metal Industries, Ltd., Osaka Verfahren zur Bestimmung der Korngrößenverteilung von Korngemischen
SE8401410L (sv) * 1984-03-14 1985-09-15 Svenska Traeforskningsinst Sett att meta storleksfordelning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023118651A1 (fr) * 2021-12-20 2023-06-29 Teknosavo Oy Procédé et agencement de détermination de la teneur en écorce de copeaux de bois

Also Published As

Publication number Publication date
FI891641A (fi) 1990-10-06
FI891641A0 (fi) 1989-04-05
WO1990012310A1 (fr) 1990-10-18

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Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed

Owner name: OY KESKUSLABORATORIO-CENTRALLABORATORIUM AB