JPS556183B2 - - Google Patents

Info

Publication number
JPS556183B2
JPS556183B2 JP5792773A JP5792773A JPS556183B2 JP S556183 B2 JPS556183 B2 JP S556183B2 JP 5792773 A JP5792773 A JP 5792773A JP 5792773 A JP5792773 A JP 5792773A JP S556183 B2 JPS556183 B2 JP S556183B2
Authority
JP
Japan
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
JP5792773A
Other versions
JPS4987372A (ja
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 filed Critical
Publication of JPS4987372A publication Critical patent/JPS4987372A/ja
Publication of JPS556183B2 publication Critical patent/JPS556183B2/ja
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)
JP5792773A 1972-08-07 1973-05-25 Expired JPS556183B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/278,422 US3973194A (en) 1972-08-07 1972-08-07 Particle counter

Publications (2)

Publication Number Publication Date
JPS4987372A JPS4987372A (ja) 1974-08-21
JPS556183B2 true JPS556183B2 (ja) 1980-02-14

Family

ID=23064911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5792773A Expired JPS556183B2 (ja) 1972-08-07 1973-05-25

Country Status (5)

Country Link
US (1) US3973194A (ja)
JP (1) JPS556183B2 (ja)
CA (1) CA1006598A (ja)
FR (1) FR2200962A5 (ja)
GB (1) GB1445703A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052596A (en) * 1974-12-23 1977-10-04 Hycel, Inc. Automatic hematology analyzer
CH614781A5 (ja) * 1977-06-27 1979-12-14 Contraves Ag
JPS60213850A (ja) * 1984-04-09 1985-10-26 Hitachi Ltd 粒子分析装置
US4791355A (en) * 1986-10-21 1988-12-13 Coulter Electronics Inc. Particle analyzer for measuring the resistance and reactance of a particle
GB9624096D0 (en) * 1996-11-20 1997-01-08 Microbial Systems Ltd Apparatus and method of use thereof
US5907240A (en) * 1997-05-12 1999-05-25 Cdc Technologies, Inc. Method and apparatus for cell differentiation by measuring apparent cell size, membrane integrity and intracellular complexity
US6850850B1 (en) * 2003-08-11 2005-02-01 Renau Corporation Fluid filter flowmeter self-generating power source system and method
WO2014161585A1 (en) 2013-04-05 2014-10-09 Bastidas García Óscar Particle counting system adaptable to an optical instrument
FR3034520B1 (fr) 2015-04-02 2020-02-14 Horiba Abx Sas Dispositif de comptage de particules
FR3136675A1 (fr) 2022-06-17 2023-12-22 Feeligreen Procédé iontophorétique d’administration d’un principe actif
FR3136677A1 (fr) 2022-06-17 2023-12-22 Feeligreen Procédé iontophorétique d’administration de l’acide férulique
FR3136676A1 (fr) 2022-06-17 2023-12-22 Feeligreen Procédé iontophorétique d’administration de l’acide mandélique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656508A (en) * 1949-08-27 1953-10-20 Wallace H Coulter Means for counting particles suspended in a fluid
US2719287A (en) * 1953-07-31 1955-09-27 William W Bartlett Electronic gas flowmeter
US3271672A (en) * 1961-09-20 1966-09-06 Coulter Electronics Particle studying device control circuit
GB1051140A (ja) * 1962-02-07 1900-01-01
FR1471863A (ja) * 1965-03-22 1967-05-10
US3393319A (en) * 1965-09-30 1968-07-16 Bausch & Lomb Photoelectric circuit for counting light pulses above a minimium value
US3676783A (en) * 1968-04-23 1972-07-11 Japan Atomic Energy Res Inst Waveform discriminating circuit
US3733548A (en) * 1971-04-28 1973-05-15 Coulter Electronics Apparatus and method for measuring particle concentration of a suspension passing through a sensing zone

Also Published As

Publication number Publication date
CA1006598A (en) 1977-03-08
US3973194A (en) 1976-08-03
JPS4987372A (ja) 1974-08-21
FR2200962A5 (ja) 1974-04-19
GB1445703A (en) 1976-08-11

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