FR2247852B1 - - Google Patents

Info

Publication number
FR2247852B1
FR2247852B1 FR7434223A FR7434223A FR2247852B1 FR 2247852 B1 FR2247852 B1 FR 2247852B1 FR 7434223 A FR7434223 A FR 7434223A FR 7434223 A FR7434223 A FR 7434223A FR 2247852 B1 FR2247852 B1 FR 2247852B1
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
FR7434223A
Other versions
FR2247852A1 (fr
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
Priority claimed from US05/406,919 external-priority patent/US3963983A/en
Application filed by Individual filed Critical Individual
Publication of FR2247852A1 publication Critical patent/FR2247852A1/fr
Application granted granted Critical
Publication of FR2247852B1 publication Critical patent/FR2247852B1/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
    • G01N15/131—Details
    • G01N15/132—Circuits

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)
FR7434223A 1973-10-16 1974-10-11 Expired FR2247852B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/406,919 US3963983A (en) 1973-04-18 1973-10-16 Pulse amplitude discriminating circuit

Publications (2)

Publication Number Publication Date
FR2247852A1 FR2247852A1 (fr) 1975-05-09
FR2247852B1 true FR2247852B1 (fr) 1979-10-12

Family

ID=23609891

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434223A Expired FR2247852B1 (fr) 1973-10-16 1974-10-11

Country Status (8)

Country Link
JP (1) JPS5519497B2 (fr)
CA (1) CA1018595A (fr)
DE (1) DE2448303B2 (fr)
FR (1) FR2247852B1 (fr)
GB (1) GB1482791A (fr)
IT (1) IT1021768B (fr)
NL (1) NL7413383A (fr)
SE (1) SE402659B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853738A (ja) * 1981-09-25 1983-03-30 Eruma Kogaku Kk 微粒子の体積測定装置
JPS5846149U (ja) * 1981-09-25 1983-03-28 エルマ光学株式会社 微粒子の体積測定装置
DE3227664A1 (de) * 1982-07-23 1984-02-02 Vladimir Vasil'evič Saratov Pavlov Einrichtung zur messung der menge und groesse fester teilchen in fluessigen und gasmedien
JPS61178643A (ja) * 1985-02-05 1986-08-11 Toa Medical Electronics Co Ltd 粒子分析装置
FR3034520B1 (fr) * 2015-04-02 2020-02-14 Horiba Abx Sas Dispositif de comptage de particules

Also Published As

Publication number Publication date
DE2448303B2 (de) 1980-11-13
SE7412832L (sv) 1975-04-17
GB1482791A (en) 1977-08-17
NL7413383A (nl) 1975-04-18
DE2448303A1 (de) 1975-04-17
JPS5068173A (fr) 1975-06-07
SE402659B (sv) 1978-07-10
FR2247852A1 (fr) 1975-05-09
JPS5519497B2 (fr) 1980-05-27
CA1018595A (en) 1977-10-04
IT1021768B (it) 1978-02-20

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Legal Events

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