PL88988B1 - Method and apparatus for measuring particle concentration in a fluid suspension of particles [us3733547a] - Google Patents

Method and apparatus for measuring particle concentration in a fluid suspension of particles [us3733547a] Download PDF

Info

Publication number
PL88988B1
PL88988B1 PL1972156944A PL15694472A PL88988B1 PL 88988 B1 PL88988 B1 PL 88988B1 PL 1972156944 A PL1972156944 A PL 1972156944A PL 15694472 A PL15694472 A PL 15694472A PL 88988 B1 PL88988 B1 PL 88988B1
Authority
PL
Poland
Prior art keywords
particle
pulse
time
particles
points
Prior art date
Application number
PL1972156944A
Other languages
English (en)
Polish (pl)
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 PL88988B1 publication Critical patent/PL88988B1/pl

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
    • G06G7/12—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Nonlinear Science (AREA)
  • Software Systems (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
PL1972156944A 1972-01-04 1972-07-26 Method and apparatus for measuring particle concentration in a fluid suspension of particles [us3733547a] PL88988B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21537472A 1972-01-04 1972-01-04

Publications (1)

Publication Number Publication Date
PL88988B1 true PL88988B1 (en) 1976-10-30

Family

ID=22802739

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1972156944A PL88988B1 (en) 1972-01-04 1972-07-26 Method and apparatus for measuring particle concentration in a fluid suspension of particles [us3733547a]

Country Status (3)

Country Link
US (1) US3733547A (enrdf_load_stackoverflow)
DD (1) DD97491A5 (enrdf_load_stackoverflow)
PL (1) PL88988B1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828260A (en) * 1973-04-02 1974-08-06 Royco Instr Inc Hematocrit measuring apparatus
US3973108A (en) * 1974-01-21 1976-08-03 Coulter Electronics, Inc. Pulse storing and retrieval circuit
US4450435A (en) * 1981-11-30 1984-05-22 Bobby Dencil James Analog debris alarm
US4633169A (en) * 1983-07-08 1986-12-30 Kontron Holding Ag Blood particle analyzer
US5426501A (en) * 1993-01-06 1995-06-20 Laser Sensor Technology, Inc. Apparatus and method for particle analysis
EP2252872B1 (en) * 2008-03-03 2017-09-20 Koninklijke Philips N.V. High resolution classification
US7940105B2 (en) * 2008-08-08 2011-05-10 Beckman Coulter, Inc. High-resolution parametric signal restoration
JP6475069B2 (ja) * 2015-04-23 2019-02-27 アズビル株式会社 粒子検出装置及び粒子の検出方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259842A (en) * 1959-08-19 1966-07-05 Coulter Electronics Particle analyzing device
US3441848A (en) * 1968-04-29 1969-04-29 Coulter Electronics Particle length measuring apparatus

Also Published As

Publication number Publication date
DD97491A5 (enrdf_load_stackoverflow) 1973-05-05
US3733547A (en) 1973-05-15

Similar Documents

Publication Publication Date Title
PL88988B1 (en) Method and apparatus for measuring particle concentration in a fluid suspension of particles [us3733547a]
DE2633003C2 (de) Strömungsmesser
Kubitschek Chapter XVII counting and sizing micro-organisms with the coulter counter
CN101410698A (zh) 用于测量过程流体流量的磁流量计及方法
DE730139T1 (de) Magnetisch-induktiver Durchflussmesser
JPH1183575A (ja) 電磁流量計
CN100582971C (zh) 一种时间延迟识别器
DE102004025243A1 (de) Bestimmung des Empfangszeitpunkts eines Ultraschallsignals mittels Pulsformerfassung
DE102004018078B3 (de) Verfahren zum Betreiben eines magnetisch-induktiven Durchflussmessgeräts
US4450435A (en) Analog debris alarm
US6744245B2 (en) Particle count correction method and apparatus
EP0773431A3 (de) Ultraschalldurchflussmesser für flüssige oder gasförmige Medien
JP2004354205A (ja) 電磁流量計
DE202006020155U1 (de) Wirbeldurchflussmesseinrichtung
EP1275940A3 (de) Verfahren zum Betrieb eines magnetischinduktiven Durchflussmessers
JPH032819Y2 (enrdf_load_stackoverflow)
RU2267186C1 (ru) Способ измерения концентрации ионов
JP3018308B2 (ja) 電磁流量計の空検出方法
JP3018310B2 (ja) 電磁流量計
Shavit et al. Dispersion within emergent vegetation using PIV and concentration measurements
Sikdar et al. Evaluation and calibration of the Model T Coulter Counter used in the population mode
DE2045403B2 (de) Geraet zum bestimmen des atemwegwiderstandes
ATE528622T1 (de) Magnetisch-induktives durchflussmessverfahren
JPS59217114A (ja) 電磁流量計
AU2024227777A1 (en) Acoustic separation of a test sample