FR2445962B1 - - Google Patents

Info

Publication number
FR2445962B1
FR2445962B1 FR8000047A FR8000047A FR2445962B1 FR 2445962 B1 FR2445962 B1 FR 2445962B1 FR 8000047 A FR8000047 A FR 8000047A FR 8000047 A FR8000047 A FR 8000047A FR 2445962 B1 FR2445962 B1 FR 2445962B1
Authority
FR
France
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
FR8000047A
Other languages
French (fr)
Other versions
FR2445962A1 (fr
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.)
Coulter Electronics Inc
Original Assignee
Coulter Electronics 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
Priority claimed from US06/000,439 external-priority patent/US4341471A/en
Priority claimed from US06/020,817 external-priority patent/US4523841A/en
Priority claimed from US06/093,311 external-priority patent/US4273443A/en
Application filed by Coulter Electronics Inc filed Critical Coulter Electronics Inc
Publication of FR2445962A1 publication Critical patent/FR2445962A1/fr
Application granted granted Critical
Publication of FR2445962B1 publication Critical patent/FR2445962B1/fr
Granted legal-status Critical Current

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
    • G01N15/1436—Optical arrangements the optical arrangement forming an integrated apparatus with the sample container, e.g. a flow cell
    • 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
    • G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • 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
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes
    • G01N2021/052—Tubular type; cavity type; multireflective
    • 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
    • G01N2021/4711—Multiangle measurement
    • G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor
    • 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
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of Radiation (AREA)
FR8000047A 1979-01-02 1980-01-02 Procede et dispositif pour mesurer la reradiation d'une particule dans des systemes a chambre d'ecoulement Granted FR2445962A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/000,439 US4341471A (en) 1979-01-02 1979-01-02 Apparatus and method for measuring the distribution of radiant energy produced in particle investigating systems
US06/020,817 US4523841A (en) 1979-03-15 1979-03-15 Radiant energy reradiating flow cell system and method
US06/093,311 US4273443A (en) 1979-11-21 1979-11-21 Method and apparatus for measurement of reradiation in particle flow cell systems

Publications (2)

Publication Number Publication Date
FR2445962A1 FR2445962A1 (fr) 1980-08-01
FR2445962B1 true FR2445962B1 (it) 1983-12-09

Family

ID=27356666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8000047A Granted FR2445962A1 (fr) 1979-01-02 1980-01-02 Procede et dispositif pour mesurer la reradiation d'une particule dans des systemes a chambre d'ecoulement

Country Status (4)

Country Link
CA (1) CA1136883A (it)
DE (1) DE3000033A1 (it)
FR (1) FR2445962A1 (it)
GB (1) GB2041516B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8726304D0 (en) * 1987-11-10 1987-12-16 Secr Defence Particle asymmetry analyser
GB8726305D0 (en) * 1987-11-10 1987-12-16 Secr Defence Portable particle analysers
JP2635992B2 (ja) * 1988-03-24 1997-07-30 興和株式会社 微粒子測定装置
US5170064A (en) * 1989-09-29 1992-12-08 Atomic Energy Of Canada Limited Infrared-based gas detector using a cavity having elliptical reflecting surface
EP1671108B1 (fr) * 2003-10-10 2008-12-03 Optis Dispositif portable de mesure de l'intensite lumineuse d'un objet et utilisation d'un tel dispositif
FR2860869B1 (fr) * 2003-10-10 2007-04-20 Optis Dispositif portable de mesure de l'intensite lumineuse d'un objet et utilisation d'un tel dispositif
DE102013220004A1 (de) * 2013-10-02 2015-04-02 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum Bestimmen von Größen von Partikeln in einem Fluid
US10365198B2 (en) * 2016-04-21 2019-07-30 Malvern Panalytical Limited Particle characterization

Family Cites Families (2)

* 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
US3982762A (en) * 1975-06-05 1976-09-28 Irwin Toy Limited Outdoor game dart

Also Published As

Publication number Publication date
DE3000033A1 (de) 1980-07-31
GB2041516B (en) 1983-04-13
GB2041516A (en) 1980-09-10
CA1136883A (en) 1982-12-07
FR2445962A1 (fr) 1980-08-01

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Legal Events

Date Code Title Description
ST Notification of lapse