FR2260099A1 - - Google Patents

Info

Publication number
FR2260099A1
FR2260099A1 FR7503599A FR7503599A FR2260099A1 FR 2260099 A1 FR2260099 A1 FR 2260099A1 FR 7503599 A FR7503599 A FR 7503599A FR 7503599 A FR7503599 A FR 7503599A FR 2260099 A1 FR2260099 A1 FR 2260099A1
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.)
Granted
Application number
FR7503599A
Other languages
French (fr)
Other versions
FR2260099B1 (ja
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2260099A1 publication Critical patent/FR2260099A1/fr
Application granted granted Critical
Publication of FR2260099B1 publication Critical patent/FR2260099B1/fr
Expired 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
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • 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
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/134—Devices using two or more apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
FR7503599A 1974-02-06 1975-02-05 Expired FR2260099B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US439875A US3882385A (en) 1974-02-06 1974-02-06 Method and apparatus for studying particles having widely different sizes

Publications (2)

Publication Number Publication Date
FR2260099A1 true FR2260099A1 (ja) 1975-08-29
FR2260099B1 FR2260099B1 (ja) 1977-11-18

Family

ID=23746498

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7503599A Expired FR2260099B1 (ja) 1974-02-06 1975-02-05

Country Status (7)

Country Link
US (1) US3882385A (ja)
JP (1) JPS50110388A (ja)
CA (1) CA1013433A (ja)
DE (1) DE2504755A1 (ja)
FR (1) FR2260099B1 (ja)
GB (1) GB1452458A (ja)
SE (1) SE7501255L (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU173092B (hu) * 1976-02-24 1979-02-28 Medicor Muevek Ehlektroskhema dlja opredelenija chisla eritrocito, srednego ob"joma tel'ca, velichini gematokrita i drugikh parametrov krovi
US4078211A (en) * 1976-09-29 1978-03-07 Coulter Electronics, Inc. Method and apparatus for balancing particle detecting signals generated in a particle study device having multiple apertures
US4157499A (en) * 1977-09-15 1979-06-05 Becton, Dickinson And Company Blood cell counter having dual testing heads
US4307339A (en) * 1979-12-10 1981-12-22 Ferrell Michael W Particle counter
US4450435A (en) * 1981-11-30 1984-05-22 Bobby Dencil James Analog debris alarm
GB8606299D0 (en) * 1986-03-14 1986-04-23 Holley J E F Scanner
EP0580525A1 (en) * 1992-07-13 1994-01-26 Eastman Kodak Company Particle size probe for silver halide emulsion
US5532139A (en) * 1992-10-30 1996-07-02 Micro-Med, Inc. Micro lysis-analysis process to measure cell characteristics and diagnose diseases
US5610027A (en) * 1992-10-30 1997-03-11 Micro-Med, Inc. Microphoto lysis-anlaysis process to measure cell characteristics
US5955295A (en) * 1992-10-30 1999-09-21 Micro-Med, Inc. Micro lysis-analysis process to measure cell characteristics and diagnose diseases
US5578771A (en) * 1993-02-12 1996-11-26 Outokumpu Mintec Oy Method for measuring particle size distribution
AU2003279801A1 (en) * 2002-10-02 2004-04-23 Airadvice, Inc. Method and apparatus for particle sizing
US8146407B2 (en) * 2008-06-20 2012-04-03 Beckman Coulter, Inc. Particle counter with electronic detection of aperture blockage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444464A (en) * 1965-11-26 1969-05-13 Coulter Electronics Multiple aperture fittings for particle analyzing apparatus

Also Published As

Publication number Publication date
CA1013433A (en) 1977-07-05
JPS50110388A (ja) 1975-08-30
US3882385A (en) 1975-05-06
GB1452458A (en) 1976-10-13
FR2260099B1 (ja) 1977-11-18
SE7501255L (ja) 1975-08-07
DE2504755A1 (de) 1975-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse
CL Concession to grant licences