FI920800A0 - En method och en anordning foer olineaera medelvaerdeskompenserade maetningar. - Google Patents

En method och en anordning foer olineaera medelvaerdeskompenserade maetningar.

Info

Publication number
FI920800A0
FI920800A0 FI920800A FI920800A FI920800A0 FI 920800 A0 FI920800 A0 FI 920800A0 FI 920800 A FI920800 A FI 920800A FI 920800 A FI920800 A FI 920800A FI 920800 A0 FI920800 A0 FI 920800A0
Authority
FI
Finland
Prior art keywords
olineaera
medelvaerdeskompenserade
maetningar
anordning foer
och
Prior art date
Application number
FI920800A
Other languages
English (en)
Inventor
John Robert Dukes
Mason Lee Thompson
Original Assignee
Abb Process Automation Inc
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 Abb Process Automation Inc filed Critical Abb Process Automation Inc
Publication of FI920800A0 publication Critical patent/FI920800A0/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D21G9/0027—Paper-making control systems controlling the forming section
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/06—Indicating or regulating the thickness of the layer; Signal devices
    • 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
    • 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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/16—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a moving sheet or film
    • 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
    • G01N2021/1738—Optionally different kinds of measurements; Method being valid for different kinds of measurement
    • 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)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI920800A 1989-08-25 1992-02-24 En method och en anordning foer olineaera medelvaerdeskompenserade maetningar. FI920800A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/399,224 US4990784A (en) 1989-08-25 1989-08-25 Nonlinear averaging compensated measurements
PCT/US1990/004684 WO1991002945A1 (en) 1989-08-25 1990-08-20 Method and instrument for nonlinear averaging compensated measurements

Publications (1)

Publication Number Publication Date
FI920800A0 true FI920800A0 (fi) 1992-02-24

Family

ID=23578663

Family Applications (1)

Application Number Title Priority Date Filing Date
FI920800A FI920800A0 (fi) 1989-08-25 1992-02-24 En method och en anordning foer olineaera medelvaerdeskompenserade maetningar.

Country Status (5)

Country Link
US (1) US4990784A (fi)
EP (1) EP0489114A1 (fi)
CA (1) CA2065018A1 (fi)
FI (1) FI920800A0 (fi)
WO (1) WO1991002945A1 (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106959146A (zh) * 2016-01-12 2017-07-18 泉州装备制造研究所 一种人造石材加工过程石料布料均匀性在线检测装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69530043T2 (de) * 1994-11-08 2003-10-16 Tosoh Corp Verfahren zur Bestimmung einer fluoreszierenden Substanz, sowie Verfahren zur Enzym-Aktivität-Bestimmung
US5627372A (en) * 1995-12-21 1997-05-06 Abb Industrial Systems, Inc. Measuring on-line tobacco rod basis weight using combined high accuracy/slow response and low accuracy/fast response gauges
US5754452A (en) * 1996-07-29 1998-05-19 Pupalaikis; Peter J. Method and apparatus for increasing update rates in measurement instruments
US6290816B1 (en) * 1999-07-21 2001-09-18 Voith Sulzer Paper Technology North America, Inc. Paper machine with closed loop control system
ATE378470T1 (de) * 2002-03-01 2007-11-15 Voith Patent Gmbh Verfahren und system zur steuerung der papierformation
US20050041251A1 (en) * 2003-08-18 2005-02-24 Hong Cao Method and apparatus for measuring loading of waterproofing agent in carbon substrate
KR100987335B1 (ko) * 2005-11-16 2010-10-12 가부시끼가이샤 이시다 Ｘ선 검사 장치 및 ｘ선 검사 프로그램을 기록한 컴퓨터로 읽을 수 있는 매체
EP1997944A1 (en) * 2007-05-11 2008-12-03 Rockwool International A/S Method of making mineral wool
DE102010004921A1 (de) * 2010-01-19 2011-07-21 Heckers, Willy, Dr., 50996 Vorrichtung und Verfahren zur Messung und/oder Regelung der Eigenschaften von flächigen Materialbahnen
US20140070827A1 (en) * 2012-09-13 2014-03-13 Alliance For Sustainable Energy, Llc Systems and methods for compensated barrier permeability testing
US20200371040A1 (en) * 2019-05-21 2020-11-26 Industrial Maintenance Engineering, Inc. d/b/a AIS Gauging Static full width measurement system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3552203A (en) * 1967-11-13 1971-01-05 Industrial Nucleonics Corp System for and method of measuring sheet properties
GB1271438A (en) * 1969-01-17 1972-04-19 Measurex Corp Basis weight gauging method
US3610899A (en) * 1969-02-17 1971-10-05 Measurex Corp Method of obtaining variances of a characteristic of a sheet material
US3634187A (en) * 1969-12-18 1972-01-11 Owens Illinois Inc Continuously controlling the basis weight of paper by a timed basis weight valve position signal
JPS5582906A (en) * 1978-12-20 1980-06-23 Japan Tobacco Inc Radiation density detector
US4301366A (en) * 1980-06-06 1981-11-17 Nucleonic Data Systems Chatter detection in thickness measuring gauges and the like
EP0233389A1 (en) * 1986-02-12 1987-08-26 Josef W. Repsch A method of measuring the weight per unit area, density and thickness of a moving sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106959146A (zh) * 2016-01-12 2017-07-18 泉州装备制造研究所 一种人造石材加工过程石料布料均匀性在线检测装置

Also Published As

Publication number Publication date
WO1991002945A1 (en) 1991-03-07
CA2065018A1 (en) 1991-02-26
EP0489114A1 (en) 1992-06-10
US4990784A (en) 1991-02-05

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Legal Events

Date Code Title Description
FD Application lapsed