IT945196B - Apparato e metodo per ottenere indici statistici ed analizzarli - Google Patents

Apparato e metodo per ottenere indici statistici ed analizzarli

Info

Publication number
IT945196B
IT945196B IT54405/71A IT5440571A IT945196B IT 945196 B IT945196 B IT 945196B IT 54405/71 A IT54405/71 A IT 54405/71A IT 5440571 A IT5440571 A IT 5440571A IT 945196 B IT945196 B IT 945196B
Authority
IT
Italy
Prior art keywords
analyzing
obtaining statistical
statistical indices
indices
obtaining
Prior art date
Application number
IT54405/71A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT945196B publication Critical patent/IT945196B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/75—Analogue computers for specific processes, systems or devices, e.g. simulators for component analysis, e.g. of mixtures, of colours
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
IT54405/71A 1970-12-02 1971-11-29 Apparato e metodo per ottenere indici statistici ed analizzarli IT945196B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9442670A 1970-12-02 1970-12-02
US00173912A US3812335A (en) 1970-12-02 1971-08-23 Apparatus for obtaining statistical indices and analyzing the same and method

Publications (1)

Publication Number Publication Date
IT945196B true IT945196B (it) 1973-05-10

Family

ID=26788861

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54405/71A IT945196B (it) 1970-12-02 1971-11-29 Apparato e metodo per ottenere indici statistici ed analizzarli

Country Status (8)

Country Link
US (1) US3812335A (it)
CA (1) CA971670A (it)
DE (1) DE2159180C3 (it)
FR (1) FR2117150A5 (it)
GB (1) GB1371077A (it)
IT (1) IT945196B (it)
NL (1) NL7116343A (it)
SE (1) SE373967B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944797A (en) * 1974-08-06 1976-03-16 Coulter Electronics, Inc. Method and apparatus for determining the correct percentiles of the size distribution of a particulate system
US4488248A (en) * 1980-12-05 1984-12-11 Toa Medical Electronics Co., Ltd. Particle size distribution analyzer
US4858154A (en) * 1986-04-07 1989-08-15 Coulter Electronics, Inc. Interlaboratory quality assurance program
US4817446A (en) * 1986-07-25 1989-04-04 Toa Medical Electronics Co. Ltd. Particle size distribution analysis

Also Published As

Publication number Publication date
FR2117150A5 (it) 1972-07-21
US3812335A (en) 1974-05-21
DE2159180B2 (de) 1975-05-15
NL7116343A (it) 1972-06-06
CA971670A (en) 1975-07-22
DE2159180A1 (de) 1972-06-15
DE2159180C3 (de) 1976-01-02
SE373967B (it) 1975-02-17
GB1371077A (en) 1974-10-23

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