DD97491A5 - - Google Patents

Info

Publication number
DD97491A5
DD97491A5 DD164094A DD16409472A DD97491A5 DD 97491 A5 DD97491 A5 DD 97491A5 DD 164094 A DD164094 A DD 164094A DD 16409472 A DD16409472 A DD 16409472A DD 97491 A5 DD97491 A5 DD 97491A5
Authority
DD
German Democratic Republic
Application number
DD164094A
Inventor
W H Coulter
W R Hogg
Jr M D Longman
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 DD97491A5 publication Critical patent/DD97491A5/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)
DD164094A 1972-01-04 1972-06-30 DD97491A5 (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DD97491A5 true DD97491A5 (xx) 1973-05-05

Family

ID=22802739

Family Applications (1)

Application Number Title Priority Date Filing Date
DD164094A DD97491A5 (xx) 1972-01-04 1972-06-30

Country Status (3)

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

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
CA2714495A1 (en) * 2008-03-03 2009-09-11 Chempaq A/S 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
PL88988B1 (en) 1976-10-30
US3733547A (en) 1973-05-15

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