IT942505B - PROVISION FOR PARTICLE ANALYSIS USING MULTIPLE OPENINGS AND MULTIPLE OPENING CHANNELS - Google Patents

PROVISION FOR PARTICLE ANALYSIS USING MULTIPLE OPENINGS AND MULTIPLE OPENING CHANNELS

Info

Publication number
IT942505B
IT942505B IT24416/70A IT2441670A IT942505B IT 942505 B IT942505 B IT 942505B IT 24416/70 A IT24416/70 A IT 24416/70A IT 2441670 A IT2441670 A IT 2441670A IT 942505 B IT942505 B IT 942505B
Authority
IT
Italy
Prior art keywords
provision
particle analysis
opening channels
openings
multiple openings
Prior art date
Application number
IT24416/70A
Other languages
Italian (it)
Original Assignee
Coulter Electronics
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 Coulter Electronics filed Critical Coulter Electronics
Application granted granted Critical
Publication of IT942505B publication Critical patent/IT942505B/en

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
    • G01N15/134—Devices using two or more apertures

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 Biological Materials (AREA)
IT24416/70A 1969-05-12 1970-05-11 PROVISION FOR PARTICLE ANALYSIS USING MULTIPLE OPENINGS AND MULTIPLE OPENING CHANNELS IT942505B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82374369A 1969-05-12 1969-05-12

Publications (1)

Publication Number Publication Date
IT942505B true IT942505B (en) 1973-04-02

Family

ID=25239603

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24416/70A IT942505B (en) 1969-05-12 1970-05-11 PROVISION FOR PARTICLE ANALYSIS USING MULTIPLE OPENINGS AND MULTIPLE OPENING CHANNELS

Country Status (9)

Country Link
US (1) US3603875A (en)
JP (1) JPS5327639B1 (en)
DE (1) DE2022878C3 (en)
FR (1) FR2047580A5 (en)
GB (1) GB1311213A (en)
IL (1) IL34489A (en)
IT (1) IT942505B (en)
NL (1) NL153330B (en)
SE (1) SE358471B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810011A (en) * 1970-05-25 1974-05-07 Coulter Electronics Apparatus and method for analyzing the particle volume distribution for a plurality of particles of different size in a quantity of liquid
US3768084A (en) * 1972-07-14 1973-10-23 Becton Dickinson Co Particle counter having a clog and bubble alarm
US3863056A (en) * 1973-06-29 1975-01-28 Coulter Electronics Method and apparatus for multichannel voting
US4075462A (en) * 1975-01-08 1978-02-21 William Guy Rowe Particle analyzer apparatus employing light-sensitive electronic detector array
HU173092B (en) * 1976-02-24 1979-02-28 Medicor Muevek Circuit arrangement for measuring the quantity of erythrocytes, the average volume of cells,the value of haematocrit and other blood parameters
US4535284A (en) * 1981-07-10 1985-08-13 Coulter Electronics, Inc. High and low frequency analysis of osmotic stress of cells
DE3227664A1 (en) * 1982-07-23 1984-02-02 Vladimir Vasil'evič Saratov Pavlov Device for measuring the quantity and size of solid particles in liquid and gaseous media
EP0100891A1 (en) * 1982-08-17 1984-02-22 Contraves Ag Method and apparatus for providing coincidence correction during the counting of two kinds of particles
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
US7034549B2 (en) * 2004-03-31 2006-04-25 The United States Of America As Represented By The Secretary Of The Navy Device to detect and measure the concentration and characterization of airborne conductive or dielectric particles
TWI280383B (en) * 2004-06-29 2007-05-01 Japan Ae Power Systems Corp Partial discharge detecting sensor, and detecting device, and gas insulated electric apparatus provided with a partial discharge detecting sensor
US9124769B2 (en) 2008-10-31 2015-09-01 The Nielsen Company (Us), Llc Methods and apparatus to verify presentation of media content
US8395398B2 (en) * 2009-04-24 2013-03-12 Beckman Coulter, Inc. Method of characterizing particles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345502A (en) * 1964-08-14 1967-10-03 Robert H Berg Pulse analyzer computer
US3331950A (en) * 1966-07-11 1967-07-18 Coulter Electronics Particle distribution plotting apparatus

Also Published As

Publication number Publication date
DE2022878A1 (en) 1970-11-19
IL34489A (en) 1973-01-30
DE2022878B2 (en) 1975-01-16
FR2047580A5 (en) 1971-03-12
JPS5327639B1 (en) 1978-08-09
DE2022878C3 (en) 1975-09-04
IL34489A0 (en) 1970-07-19
NL153330B (en) 1977-05-16
SE358471B (en) 1973-07-30
GB1311213A (en) 1973-03-28
US3603875A (en) 1971-09-07
NL7006782A (en) 1970-11-16

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