FR2020348A1 - - Google Patents

Info

Publication number
FR2020348A1
FR2020348A1 FR6934771A FR6934771A FR2020348A1 FR 2020348 A1 FR2020348 A1 FR 2020348A1 FR 6934771 A FR6934771 A FR 6934771A FR 6934771 A FR6934771 A FR 6934771A FR 2020348 A1 FR2020348 A1 FR 2020348A1
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.)
Withdrawn
Application number
FR6934771A
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.)
REPUBLIQUE FED ALLEMAGNE
Original Assignee
REPUBLIQUE FED ALLEMAGNE
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 REPUBLIQUE FED ALLEMAGNE filed Critical REPUBLIQUE FED ALLEMAGNE
Publication of FR2020348A1 publication Critical patent/FR2020348A1/fr
Withdrawn legal-status Critical Current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
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • 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
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FR6934771A 1968-10-10 1969-10-10 Withdrawn FR2020348A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1802269A DE1802269C3 (de) 1968-10-10 1968-10-10 Verfahren zum Messen der Konzentration und/oder Größe von Schwebstoffteilchen

Publications (1)

Publication Number Publication Date
FR2020348A1 true FR2020348A1 (fr) 1970-07-10

Family

ID=5710177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6934771A Withdrawn FR2020348A1 (fr) 1968-10-10 1969-10-10

Country Status (4)

Country Link
US (1) US3646352A (fr)
DE (1) DE1802269C3 (fr)
FR (1) FR2020348A1 (fr)
GB (1) GB1263586A (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175395A5 (fr) * 1972-01-28 1973-10-19 Sartorius Membranfilter Gmbh
US3813170A (en) * 1972-06-28 1974-05-28 Charrin P Alignment of a datum line source
GB1405682A (en) * 1972-11-09 1975-09-10 Kernforschung Gmbh Ges Fuer Apparatus for the rapid meausring of the angular dependence of light scattered from a scattering volume containing particles
US3826576A (en) * 1972-12-20 1974-07-30 Goodyear Aerospace Corp Laser measuring or monitoring system
US3858851A (en) * 1973-07-05 1975-01-07 Prototron Ass Apparatus for providing a statistical count of particulate material in a fluid
JPS5068578A (fr) * 1973-10-22 1975-06-07
DE2409273A1 (de) * 1974-02-27 1975-09-04 Behringwerke Ag Verfahren und vorrichtung zum messen von antigen-antikoerper-reaktionen
US3901602A (en) * 1974-05-13 1975-08-26 Us Commerce Light scattering method and apparatus for the chemical characterization of particulate matter
IL48531A (en) * 1975-01-29 1979-09-30 Baxter Travenol Lab Method and apparatus for discriminating against artifacts in optical testing
US4095775A (en) * 1975-12-22 1978-06-20 Hotham Geoffrey A Particle evaluator
US4400353A (en) * 1977-09-23 1983-08-23 Akro-Medic Engineering, Inc. Electro-optical system for use in evaluating immunological reactions
DE2853297A1 (de) * 1978-12-09 1980-06-26 Strahlen Umweltforsch Gmbh Verfahren zum messen der konzentration und/oder groesse von schwebestoffteilchen
EP0067554B1 (fr) * 1981-06-04 1986-04-16 United Kingdom Atomic Energy Authority Mesure de la grandeur des particules
EP0167272B1 (fr) * 1984-06-30 1991-01-16 Kabushiki Kaisha Toshiba Appareil pour mesurer la taille de particules
US4953978A (en) * 1989-03-03 1990-09-04 Coulter Electronics Of New England, Inc. Particle size analysis utilizing polarization intensity differential scattering
US5104221A (en) * 1989-03-03 1992-04-14 Coulter Electronics Of New England, Inc. Particle size analysis utilizing polarization intensity differential scattering
US5056918A (en) * 1989-03-03 1991-10-15 Coulter Electronics Of New England, Inc. Method and apparatus for particle size analysis
US5148853A (en) * 1989-06-14 1992-09-22 Aluminum Company Of America Method and apparatus for controlling the heat transfer of liquid coolant in continuous casting
US4987950A (en) * 1989-06-14 1991-01-29 Aluminum Company Of America Method and apparatus for controlling the heat transfer of liquid coolant in continuous casting
US5262841A (en) * 1991-10-16 1993-11-16 Tsi Incorporated Vacuum particle detector
DE19628156A1 (de) * 1996-07-12 1998-01-15 Palas Gmbh Vorrichtung und Verfahren zum Messen eines Teilchenstromes in einem Fluid
US6542304B2 (en) 1999-05-17 2003-04-01 Toolz, Ltd. Laser beam device with apertured reflective element
US6326608B1 (en) * 1999-07-09 2001-12-04 Chung-Shan Institute Of Science And Technology Polarization-type laser detection system
US7365835B2 (en) * 2003-12-02 2008-04-29 California Institute Of Technology Dark-field laser-scattering microscope for analyzing single macromolecules
JP4980101B2 (ja) * 2007-03-08 2012-07-18 能美防災株式会社 煙感知器
JP5442052B2 (ja) 2012-02-16 2014-03-12 株式会社堀場製作所 粒子分析装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451755A (en) * 1964-08-05 1969-06-24 Us Air Force Particle size and distribution analysis using spatial filtering techniques
DE1472635A1 (de) * 1965-03-26 1969-07-10 Gossen & Co Gmbh P Schaltungsanordnung fuer elektronische Verschluesse
US3389259A (en) * 1965-04-21 1968-06-18 Army Usa Optical instrument anti-flash shutter system
US3515482A (en) * 1967-06-27 1970-06-02 Us Navy Aerosol photometer with improved electronic circuitry
US3528742A (en) * 1969-07-23 1970-09-15 Herbert H Dobbs Optical anemometer

Also Published As

Publication number Publication date
DE1802269C3 (de) 1979-09-27
DE1802269B2 (de) 1976-04-15
GB1263586A (en) 1972-02-09
DE1802269A1 (de) 1970-05-14
US3646352A (en) 1972-02-29

Similar Documents

Publication Publication Date Title
AU1946070A (fr)
FR2020348A1 (fr)
AU5506869A (fr)
AU2374870A (fr)
AU6168869A (fr)
AU6171569A (fr)
AU416157B2 (fr)
AU2581067A (fr)
AU2952567A (fr)
AR203075Q (fr)
AU2580267A (fr)
AU3224368A (fr)
AU3789668A (fr)
BE711365A (fr)
BE709320A (fr)
BE727284A (fr)
BE727049A (fr)
BE726924A (fr)
BE726375A (fr)
BE725774A (fr)
BE725767A (fr)
BE721165A (fr)
BE716040A (fr)
BE727614A (fr)
BE709496A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse