CA952193A - Method and apparatus for measuring particle concentration in a fluid suspension of particles - Google Patents

Method and apparatus for measuring particle concentration in a fluid suspension of particles

Info

Publication number
CA952193A
CA952193A CA140,858A CA140858A CA952193A CA 952193 A CA952193 A CA 952193A CA 140858 A CA140858 A CA 140858A CA 952193 A CA952193 A CA 952193A
Authority
CA
Canada
Prior art keywords
particles
particle concentration
fluid suspension
measuring particle
measuring
Prior art date
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
CA140,858A
Other languages
English (en)
Other versions
CA140858S (en
Inventor
Walter R. Hogg
Millard D. Longman (Jr.)
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA952193A publication Critical patent/CA952193A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
    • 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
    • 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
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Computer Hardware Design (AREA)
  • Dispersion Chemistry (AREA)
  • Software Systems (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
CA140,858A 1971-04-28 1972-04-28 Method and apparatus for measuring particle concentration in a fluid suspension of particles Expired CA952193A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13809671A 1971-04-28 1971-04-28
US21537472A 1972-01-04 1972-01-04

Publications (1)

Publication Number Publication Date
CA952193A true CA952193A (en) 1974-07-30

Family

ID=26835860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,858A Expired CA952193A (en) 1971-04-28 1972-04-28 Method and apparatus for measuring particle concentration in a fluid suspension of particles

Country Status (14)

Country Link
JP (1) JPS535832B1 (en:Method)
AR (1) AR204900A1 (en:Method)
AU (1) AU460261B2 (en:Method)
BE (1) BE782583A (en:Method)
CA (1) CA952193A (en:Method)
CH (1) CH565368A5 (en:Method)
DE (1) DE2219973A1 (en:Method)
ES (1) ES402053A1 (en:Method)
FR (1) FR2141058A5 (en:Method)
GB (1) GB1385363A (en:Method)
IL (1) IL39276A (en:Method)
IT (1) IT960260B (en:Method)
NL (1) NL7205490A (en:Method)
SE (1) SE376081B (en:Method)

Also Published As

Publication number Publication date
DE2219973A1 (de) 1972-11-09
JPS535832B1 (en:Method) 1978-03-02
IL39276A0 (en) 1972-06-28
CH565368A5 (en:Method) 1975-08-15
GB1385363A (en) 1975-02-26
ES402053A1 (es) 1975-11-16
AR204900A1 (es) 1976-03-19
SE376081B (en:Method) 1975-05-05
AU4151772A (en) 1973-11-01
BE782583A (nl) 1972-10-24
IT960260B (it) 1973-11-20
NL7205490A (en:Method) 1972-10-31
AU460261B2 (en) 1975-04-24
FR2141058A5 (en:Method) 1973-01-19
IL39276A (en) 1975-07-28

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