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FI881179A0 - Rakopyörän suuntauslaite ja arkkimateriaalin rakenteen kuvaamismenetelmä ja -laite - Google Patents

Rakopyörän suuntauslaite ja arkkimateriaalin rakenteen kuvaamismenetelmä ja -laite

Info

Publication number
FI881179A0
FI881179A0 FI881179A FI881179A FI881179A0 FI 881179 A0 FI881179 A0 FI 881179A0 FI 881179 A FI881179 A FI 881179A FI 881179 A FI881179 A FI 881179A FI 881179 A0 FI881179 A0 FI 881179A0
Authority
FI
Finland
Prior art keywords
aligning
imaging
sheet material
slit wheel
slit
Prior art date
Application number
FI881179A
Other languages
English (en)
Swedish (sv)
Other versions
FI93491C (fi
FI93491B (fi
FI881179A (fi
Inventor
Jorma Juhani Orkosalo
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 FI881179A0 publication Critical patent/FI881179A0/fi
Publication of FI881179A publication Critical patent/FI881179A/fi
Application granted granted Critical
Publication of FI93491B publication Critical patent/FI93491B/fi
Publication of FI93491C publication Critical patent/FI93491C/fi

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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00
    • G01G9/005—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00 using radiations, e.g. radioactive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G17/00—Apparatus for or methods of weighing material of special form or property
    • G01G17/02—Apparatus for or methods of weighing material of special form or property for weighing material of filamentary or sheet form
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/04—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light by periodically varying the intensity of light, e.g. using choppers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
    • G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
    • 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
    • G01N2021/8672—Paper formation parameter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Paper (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
FI881179A 1987-03-13 1988-03-11 Rakopyörän suuntauslaite ja arkkimateriaalin rakenteen kuvaamismenetelmä ja -laite FI93491C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/025,519 US4770538A (en) 1986-11-12 1987-03-13 Chopper wheel alignment device
US2551987 1987-03-13

Publications (4)

Publication Number Publication Date
FI881179A0 true FI881179A0 (fi) 1988-03-11
FI881179A FI881179A (fi) 1988-09-14
FI93491B FI93491B (fi) 1994-12-30
FI93491C FI93491C (fi) 1995-04-10

Family

ID=21826553

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881179A FI93491C (fi) 1987-03-13 1988-03-11 Rakopyörän suuntauslaite ja arkkimateriaalin rakenteen kuvaamismenetelmä ja -laite

Country Status (7)

Country Link
US (1) US4770538A (fi)
EP (1) EP0282414B1 (fi)
JP (1) JPS63288292A (fi)
KR (1) KR880011586A (fi)
CA (1) CA1326523C (fi)
DE (1) DE3884426T2 (fi)
FI (1) FI93491C (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243407A (en) * 1986-11-12 1993-09-07 Measurex Corporation On-line paper sheet formation characterizing method and device
US4936141A (en) * 1987-10-06 1990-06-26 Measurex Corporation On-line paper sheet strength determination method and device
CA1326909C (en) * 1988-09-09 1994-02-08 Harriss King On-line paper sheet formation characterizing method and device
SE507524C2 (sv) * 1996-10-15 1998-06-15 Stora Kopparbergs Bergslags Ab Sätt och mätmaskin för analysering av pappersbana
US6313937B1 (en) 1999-11-30 2001-11-06 Eastman Kodak Company Electrically actuated magnetic micro-shutters
US6295416B1 (en) 1999-11-30 2001-09-25 Eastman Kodak Company One time use camera uses magnetic micro-shutter as an exposure frame counter
US6226116B1 (en) * 1999-11-30 2001-05-01 Eastman Kodak Company Magnetic micro-shutters
FI20065586L (fi) * 2006-09-22 2008-03-23 Metso Paper Inc Menetelmä ja laitteisto liikuvan rainan ominaisuuksien mittaamiseksi
JP2009058293A (ja) * 2007-08-30 2009-03-19 Hamamatsu Metrix Kk シート状ワーク検査装置
CN103399400B (zh) * 2013-08-08 2015-06-10 上海理工大学 一种光学斩波器斩光装置及其控制方法
US9201018B2 (en) 2013-12-23 2015-12-01 Honeywell Asca Inc. Optimized spatial resolution for a spectroscopic sensor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135819A (en) * 1961-02-02 1964-06-02 Sanborn Company Shutter calibrating system
US3641349A (en) * 1969-09-29 1972-02-08 Measurex Corp Method for measuring the amount of substance associated with a base material
US3827808A (en) * 1973-05-09 1974-08-06 Industrial Nucleonics Corp Method and apparatus for measuring the opacity of sheet material in which the transmittance signal is compensated for the reflectivity of the material
US4243319A (en) * 1977-01-24 1981-01-06 Nekoosa Papers, Inc. Optical property measurement system and method
US4165919A (en) * 1977-08-09 1979-08-28 Little Robert T Adjustable optical filter
US4194840A (en) * 1978-02-27 1980-03-25 Serge Gracovetsky Sensor contact
US4602160A (en) * 1983-09-28 1986-07-22 Sentrol Systems Ltd. Infrared constituent analyzer and control system
GB8328187D0 (en) * 1983-10-21 1983-11-23 Gec Claudgen Ltd Optical fibre switching
CA1222319A (en) * 1985-05-16 1987-05-26 Cip Inc. Apparatus for analysing the formation of a paper web

Also Published As

Publication number Publication date
EP0282414B1 (en) 1993-09-29
FI93491C (fi) 1995-04-10
DE3884426T2 (de) 1994-04-07
DE3884426D1 (de) 1993-11-04
US4770538A (en) 1988-09-13
FI93491B (fi) 1994-12-30
FI881179A (fi) 1988-09-14
JPS63288292A (ja) 1988-11-25
CA1326523C (en) 1994-01-25
EP0282414A2 (en) 1988-09-14
KR880011586A (ko) 1988-10-29
EP0282414A3 (en) 1990-04-25

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed
MM Patent lapsed

Owner name: MEASUREX CORPORATION