CH558529A - DEVICE FOR COUNTING AND CLASSIFYING PARTICLES SUSPENDED IN A TESTING LIQUID. - Google Patents

DEVICE FOR COUNTING AND CLASSIFYING PARTICLES SUSPENDED IN A TESTING LIQUID.

Info

Publication number
CH558529A
CH558529A CH311772A CH311772A CH558529A CH 558529 A CH558529 A CH 558529A CH 311772 A CH311772 A CH 311772A CH 311772 A CH311772 A CH 311772A CH 558529 A CH558529 A CH 558529A
Authority
CH
Switzerland
Prior art keywords
counting
particles suspended
testing liquid
classifying particles
classifying
Prior art date
Application number
CH311772A
Other languages
German (de)
Original Assignee
Licentia Gmbh
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 DE19712111356 external-priority patent/DE2111356A1/en
Priority claimed from DE2145531A external-priority patent/DE2145531C2/en
Priority claimed from DE19722201894 external-priority patent/DE2201894A1/en
Application filed by Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH558529A publication Critical patent/CH558529A/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 Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
CH311772A 1971-03-10 1972-03-03 DEVICE FOR COUNTING AND CLASSIFYING PARTICLES SUSPENDED IN A TESTING LIQUID. CH558529A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19712111356 DE2111356A1 (en) 1971-03-10 1971-03-10 Device for determining the number and / or the size of particles suspended in a sample liquid
DE2145531A DE2145531C2 (en) 1971-09-11 1971-09-11 Particle counter/classifier -partic for blood corpuscles
DE19722201894 DE2201894A1 (en) 1972-01-15 1972-01-15 METHOD OF COUNTING AND CLASSIFYING PARTICLES SUSPENDED IN A TESTING LIQUID

Publications (1)

Publication Number Publication Date
CH558529A true CH558529A (en) 1975-01-31

Family

ID=27183256

Family Applications (1)

Application Number Title Priority Date Filing Date
CH311772A CH558529A (en) 1971-03-10 1972-03-03 DEVICE FOR COUNTING AND CLASSIFYING PARTICLES SUSPENDED IN A TESTING LIQUID.

Country Status (10)

Country Link
JP (1) JPS5435115B1 (en)
BE (1) BE780440A (en)
CA (1) CA953786A (en)
CH (1) CH558529A (en)
ES (1) ES400399A1 (en)
FR (1) FR2132004B1 (en)
GB (1) GB1322686A (en)
IT (1) IT953449B (en)
NL (1) NL7202865A (en)
SE (1) SE375614B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165484A (en) * 1977-03-23 1979-08-21 Becton, Dickinson And Company Particle counting apparatus utilizing various fluid resistors to maintain proper pressure differentials

Also Published As

Publication number Publication date
GB1322686A (en) 1973-07-11
JPS5435115B1 (en) 1979-10-31
BE780440A (en) 1972-07-03
CA953786A (en) 1974-08-27
FR2132004B1 (en) 1976-02-20
ES400399A1 (en) 1975-01-01
IT953449B (en) 1973-08-10
SE375614B (en) 1975-04-21
FR2132004A1 (en) 1972-11-17
NL7202865A (en) 1972-09-12

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Legal Events

Date Code Title Description
PL Patent ceased