ATE166458T1 - Einrichtung zur messung von teilchen - Google Patents

Einrichtung zur messung von teilchen

Info

Publication number
ATE166458T1
ATE166458T1 AT93917404T AT93917404T ATE166458T1 AT E166458 T1 ATE166458 T1 AT E166458T1 AT 93917404 T AT93917404 T AT 93917404T AT 93917404 T AT93917404 T AT 93917404T AT E166458 T1 ATE166458 T1 AT E166458T1
Authority
AT
Austria
Prior art keywords
particles
measuring particles
measuring
analysed
indication
Prior art date
Application number
AT93917404T
Other languages
English (en)
Inventor
Robert Jones
Michael Stuart Hazell
Original Assignee
Cambridge Consultants
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 Cambridge Consultants filed Critical Cambridge Consultants
Application granted granted Critical
Publication of ATE166458T1 publication Critical patent/ATE166458T1/de

Links

Classifications

    • 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
    • G01N15/1434—Optical arrangements
    • 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
    • G01N2015/1027—Determining speed or velocity of a particle
    • 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
    • G01N2015/1493—Particle size
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4707—Forward scatter; Low angle scatter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06113—Coherent sources; lasers
    • G01N2201/0612—Laser diodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/063—Illuminating optical parts
    • G01N2201/0635—Structured illumination, e.g. with grating

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Detergent Compositions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
AT93917404T 1992-02-12 1993-02-11 Einrichtung zur messung von teilchen ATE166458T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929202887A GB9202887D0 (en) 1992-02-12 1992-02-12 A particle sizing system based on incoherent structured illumination

Publications (1)

Publication Number Publication Date
ATE166458T1 true ATE166458T1 (de) 1998-06-15

Family

ID=10710203

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93917404T ATE166458T1 (de) 1992-02-12 1993-02-11 Einrichtung zur messung von teilchen

Country Status (7)

Country Link
EP (1) EP0579829B1 (de)
JP (1) JP3144687B2 (de)
AT (1) ATE166458T1 (de)
DE (1) DE69318632T2 (de)
DK (1) DK0579829T3 (de)
GB (1) GB9202887D0 (de)
WO (1) WO1993016368A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2316081B (en) * 1996-08-12 2001-05-09 Bio Dot Ltd Dispensing of particles
US7053783B2 (en) 2002-12-18 2006-05-30 Biovigilant Systems, Inc. Pathogen detector system and method
EP1784912A4 (de) 2004-07-30 2012-03-14 Biovigilant Systems Inc Pathogen- und partikeldetektorsystem und -verfahren
GB2422193B (en) * 2004-12-24 2008-07-16 Campbell Scient Ltd A weather measurement device for determining the speed in a first direction of hydrometeors
US9746412B2 (en) 2012-05-30 2017-08-29 Iris International, Inc. Flow cytometer
ES2900803T3 (es) * 2013-12-04 2022-03-18 Iris Int Inc Citómetro de flujo

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819270A (en) * 1972-10-02 1974-06-25 Block Engineering Blood cell analyzer
US3941479A (en) * 1974-09-26 1976-03-02 G. D. Searle & Co. Use of modulated stimulus to improve detection sensitivity for signals from particles in a flow chamber
GB2054143B (en) * 1979-07-11 1983-06-29 Atomic Energy Authority Uk Measurement of the size of particles dispersed in a fluid
US4573796A (en) * 1984-01-06 1986-03-04 The United States Of America As Represented By The United States Department Of Energy Apparatus for eliminating background interference in fluorescence measurements
US4893929A (en) * 1987-03-13 1990-01-16 Canon Kabushiki Kaisha Particle analyzing apparatus
US4986659A (en) * 1988-02-29 1991-01-22 Aerometrics, Inc. Method for measuring the size and velocity of spherical particles using the phase and intensity of scattered light
GB8924859D0 (en) * 1989-11-03 1989-12-20 Atomic Energy Authority Uk Particle size and velocity determination

Also Published As

Publication number Publication date
DK0579829T3 (da) 1999-03-08
DE69318632T2 (de) 1999-02-25
GB9202887D0 (en) 1992-03-25
EP0579829B1 (de) 1998-05-20
DE69318632D1 (de) 1998-06-25
WO1993016368A1 (en) 1993-08-19
JPH06507025A (ja) 1994-08-04
JP3144687B2 (ja) 2001-03-12
EP0579829A1 (de) 1994-01-26

Similar Documents

Publication Publication Date Title
ATE192572T1 (de) Vorrichtung und verfahren zur messung der komponenten in einer tasche
DE69117942D1 (de) Verfahren und vorrichtung zur optischen messung der konzentration eines analyten
DE59608744D1 (de) Verfahren und vorrichtung zur bestimmung von aus einer schmelze ausgehenden elektromagnetischen wellen
ATE78586T1 (de) Verfahren zur messung von strahlungsschwankungen und anwendung desselben zum nachweis eines analyten.
ATE71322T1 (de) Verfahren und vorrichtung zur materialbearbeitung mit hilfe eines lasers.
NO902068L (no) Partikkelanalysator for bestemmelse av partiklers asymmetri.
DE59206208D1 (de) Verfahren und Einrichtung zur Detektion von Kanten und Bohrungen mit einem optischen Tastkopf
DE3861974D1 (de) Vorrichtung und verfahren zur messung des schwerpunktes eines flugzeuges.
ATE3673T1 (de) Vorrichtung zum beruehrungslosen und markierungslosen messen von linearen geschwindigkeiten.
DE69421472D1 (de) Vorrichtung und Verfahren zur Unterscheidung zwischen Flüssigkeit und Gas
EP0350768A3 (de) Vorrichtung zur Messung von Partikelgrössen mit unmittelbarer Detektion des Streulichts
SE8800686L (sv) Foerfarande och anordning foer bestaemning av koncentrationen av ett aemne som aer bundet till partiklar i ett stroemmande medium
SE8700663D0 (sv) Sett for icke-forstorande provning
DE59401968D1 (de) Verfahren und vorrichtung zur messung des abstandes eines objektes von einer ultraschall-sende-empfangseinheit
DE3873230D1 (de) Verfahren und vorrichtung zur messung der stroemungsgeschwindigkeit in windkanaelen.
DE69318632D1 (de) Einrichtung zur Messung von Teilchen
DE69314681D1 (de) Verfahren und Vorrichtung zur Messung des Brechungsvermögens eines optischen Systems
SE8800599D0 (sv) Method and apparatus for measuring particle concentration in a suspension
DE3669587D1 (de) Verfahren und anordnung zur dreidimensionalen optischen erfassung von objekten.
DE59209430D1 (de) Verfahren und Vorrichtung zur optischen Messung von Distanzen
ATE153132T1 (de) Verfahren und vorrichtung zur im wesentlichen dämpfungsunabhängigen messung der dichte von flüssigkeiten mittels ultraschall
SE8305656D0 (sv) Optisk omvandlare
IT1248992B (it) Cella optoacustica per la misura di concentrazioni di specie chimiche in fluidi in genere
DE69316365D1 (de) Vorrichtung zur lichtmessung
EP0567312A3 (de) Intensitätslichtimpulsregenerator, Lichtumwandlungszwischenverstärker, Vorverstärker für Lichtsignal, Lichtintensitätsänderungsmessapparat und stabilisierte Lichtquelle.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee