CH534930A - Electronic process for gradually and automatically correcting digital count values subject to non-systematic error, apparatus for implementing this process and applying this process - Google Patents

Electronic process for gradually and automatically correcting digital count values subject to non-systematic error, apparatus for implementing this process and applying this process

Info

Publication number
CH534930A
CH534930A CH926769A CH926769A CH534930A CH 534930 A CH534930 A CH 534930A CH 926769 A CH926769 A CH 926769A CH 926769 A CH926769 A CH 926769A CH 534930 A CH534930 A CH 534930A
Authority
CH
Switzerland
Prior art keywords
implementing
gradually
applying
count values
systematic error
Prior art date
Application number
CH926769A
Other languages
French (fr)
Inventor
A Pontigny Jacques
Jean Collineau Claude
Original Assignee
Coulter Electronics
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 by Coulter Electronics filed Critical Coulter Electronics
Publication of CH534930A publication Critical patent/CH534930A/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
    • G01N15/131—Details
    • G01N15/132—Circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
CH926769A 1968-06-19 1969-06-16 Electronic process for gradually and automatically correcting digital count values subject to non-systematic error, apparatus for implementing this process and applying this process CH534930A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR155650 1968-06-19
FR155649 1968-06-19

Publications (1)

Publication Number Publication Date
CH534930A true CH534930A (en) 1973-03-15

Family

ID=26182068

Family Applications (1)

Application Number Title Priority Date Filing Date
CH926769A CH534930A (en) 1968-06-19 1969-06-16 Electronic process for gradually and automatically correcting digital count values subject to non-systematic error, apparatus for implementing this process and applying this process

Country Status (7)

Country Link
US (1) US3626164A (en)
JP (1) JPS493877B1 (en)
CH (1) CH534930A (en)
DE (1) DE1930597C3 (en)
GB (1) GB1245690A (en)
NL (1) NL6909151A (en)
SE (1) SE351338B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869083A (en) * 1969-07-24 1975-03-04 Arthur G Malmon Methods and apparatus for determining the number of objects in an assemblage
US3699319A (en) * 1971-03-10 1972-10-17 Robert H Berg Average volume digital computer and digital volume totalizer for cells and particles
CH549210A (en) * 1972-09-14 1974-05-15 Contraves Ag METHOD AND METER FOR DETERMINING THE TRUE AVERAGE VOLUME OF PARTICLES SUSPENDED IN AN ELECTROLYTICALLY CONDUCTIVE LIQUID.
US3920969A (en) * 1974-01-31 1975-11-18 Robert E Berglas Digital glucose analyzer
JPS5248158U (en) * 1975-10-02 1977-04-06
US4063309A (en) * 1976-09-16 1977-12-13 Hycel, Inc. Mean corpuscular volume measuring apparatus and method
US4203029A (en) * 1978-03-06 1980-05-13 Artek Systems Corporation Automatic object counter
US4447883A (en) * 1981-05-26 1984-05-08 Technicon Instruments Corporation Coincidence-error correcting apparatus and method
US4510438A (en) * 1982-02-16 1985-04-09 Coulter Electronics, Inc. Coincidence correction in particle analysis system
US5247461A (en) * 1991-07-30 1993-09-21 Particle Data, Inc. Method and apparatus for coincidence correction in electrozone particle sensing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1004759A (en) * 1963-04-30 1965-09-15 Smith & Sons Ltd S Improvements in or relating to digital systems of the kind for providing an output representation of the value of a predetermined dependent variable
NL137001C (en) * 1965-10-20 1900-01-01

Also Published As

Publication number Publication date
DE1930597C3 (en) 1975-06-12
SE351338B (en) 1972-11-20
US3626164A (en) 1971-12-07
NL6909151A (en) 1969-12-23
GB1245690A (en) 1971-09-08
DE1930597A1 (en) 1970-01-22
DE1930597B2 (en) 1974-10-24
JPS493877B1 (en) 1974-01-29

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Legal Events

Date Code Title Description
PL Patent ceased