FR2132004B1 - - Google Patents

Info

Publication number
FR2132004B1
FR2132004B1 FR7208301A FR7208301A FR2132004B1 FR 2132004 B1 FR2132004 B1 FR 2132004B1 FR 7208301 A FR7208301 A FR 7208301A FR 7208301 A FR7208301 A FR 7208301A FR 2132004 B1 FR2132004 B1 FR 2132004B1
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
FR7208301A
Other languages
French (fr)
Other versions
FR2132004A1 (en
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2132004A1 publication Critical patent/FR2132004A1/fr
Application granted granted Critical
Publication of FR2132004B1 publication Critical patent/FR2132004B1/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
    • 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)
FR7208301A 1971-03-10 1972-03-09 Expired FR2132004B1 (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 (2)

Publication Number Publication Date
FR2132004A1 FR2132004A1 (en) 1972-11-17
FR2132004B1 true FR2132004B1 (en) 1976-02-20

Family

ID=27183256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7208301A Expired FR2132004B1 (en) 1971-03-10 1972-03-09

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
FR2132004A1 (en) 1972-11-17
ES400399A1 (en) 1975-01-01
SE375614B (en) 1975-04-21
CH558529A (en) 1975-01-31
NL7202865A (en) 1972-09-12
IT953449B (en) 1973-08-10
CA953786A (en) 1974-08-27
JPS5435115B1 (en) 1979-10-31
BE780440A (en) 1972-07-03

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Legal Events

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