NL7206909A - - Google Patents

Info

Publication number
NL7206909A
NL7206909A NL7206909A NL7206909A NL7206909A NL 7206909 A NL7206909 A NL 7206909A NL 7206909 A NL7206909 A NL 7206909A NL 7206909 A NL7206909 A NL 7206909A NL 7206909 A NL7206909 A NL 7206909A
Authority
NL
Netherlands
Application number
NL7206909A
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 US834860A external-priority patent/US3259842A/en
Priority claimed from US467406A external-priority patent/US3295059A/en
Application filed filed Critical
Priority to NL7206909A priority Critical patent/NL7206909A/xx
Publication of NL7206909A publication Critical patent/NL7206909A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N15/131Details
    • G01N15/132Circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K21/00Details of pulse counters or frequency dividers
    • H03K21/02Input circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N2015/135Electrodes
    • G01N2015/136Scanning electrodes

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)
NL7206909A 1959-08-19 1972-05-23 NL7206909A (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7206909A NL7206909A (es) 1959-08-19 1972-05-23

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US834860A US3259842A (en) 1959-08-19 1959-08-19 Particle analyzing device
US467406A US3295059A (en) 1959-08-19 1965-06-28 Particle studying device pulse analyzer
NL7206909A NL7206909A (es) 1959-08-19 1972-05-23

Publications (1)

Publication Number Publication Date
NL7206909A true NL7206909A (es) 1972-08-25

Family

ID=27351769

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7206909A NL7206909A (es) 1959-08-19 1972-05-23

Country Status (1)

Country Link
NL (1) NL7206909A (es)

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