DE2962651D1 - Apparatus for classifying particles contained in a blood sample - Google Patents

Apparatus for classifying particles contained in a blood sample

Info

Publication number
DE2962651D1
DE2962651D1 DE7979105054T DE2962651T DE2962651D1 DE 2962651 D1 DE2962651 D1 DE 2962651D1 DE 7979105054 T DE7979105054 T DE 7979105054T DE 2962651 T DE2962651 T DE 2962651T DE 2962651 D1 DE2962651 D1 DE 2962651D1
Authority
DE
Germany
Prior art keywords
blood sample
stored
particles contained
signal
classifying particles
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
DE7979105054T
Other languages
German (de)
English (en)
Inventor
Raymond Dr Frey
Rudolf Dr Voellmy
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.)
Rheinmetall Air Defence AG
Original Assignee
Oerlikon Contraves AG
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 Oerlikon Contraves AG filed Critical Oerlikon Contraves AG
Application granted granted Critical
Publication of DE2962651D1 publication Critical patent/DE2962651D1/de
Expired legal-status Critical Current

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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/69—Microscopic objects, e.g. biological cells or cellular parts
    • G06V20/698—Matching; Classification

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Molecular Biology (AREA)
  • Probability & Statistics with Applications (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Operations Research (AREA)
  • Evolutionary Biology (AREA)
  • Biomedical Technology (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Dispersion Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
DE7979105054T 1978-12-19 1979-12-10 Apparatus for classifying particles contained in a blood sample Expired DE2962651D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1290778 1978-12-19

Publications (1)

Publication Number Publication Date
DE2962651D1 true DE2962651D1 (en) 1982-06-09

Family

ID=4387501

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979105054T Expired DE2962651D1 (en) 1978-12-19 1979-12-10 Apparatus for classifying particles contained in a blood sample

Country Status (7)

Country Link
US (1) US4309757A (enExample)
EP (1) EP0012418B1 (enExample)
JP (1) JPS5590842A (enExample)
AT (1) ATE935T1 (enExample)
CA (1) CA1133139A (enExample)
DE (1) DE2962651D1 (enExample)
ES (1) ES485470A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4488248A (en) * 1980-12-05 1984-12-11 Toa Medical Electronics Co., Ltd. Particle size distribution analyzer
US4447883A (en) * 1981-05-26 1984-05-08 Technicon Instruments Corporation Coincidence-error correcting apparatus and method
US4817446A (en) * 1986-07-25 1989-04-04 Toa Medical Electronics Co. Ltd. Particle size distribution analysis
ATE67044T1 (de) * 1987-02-05 1991-09-15 Contraves Ag Verfahren und vorrichtung zum bestimmen von schwellenwerten bei der teilchenanalyse einer fluessigkeit.
US4977517A (en) * 1988-09-21 1990-12-11 Toni Diagnostics, Inc. Leak and clog detection and removal system for use with particle counters
JPH0366358A (ja) * 1989-08-03 1991-03-22 Terumo Corp 生体信号計測装置
AU6717096A (en) * 1995-08-01 1997-02-26 Mark J. Pasula Method for measuring the volume of liquid and/or solid in a suspension
US7251413B2 (en) * 2002-04-26 2007-07-31 Digital Networks North America, Inc. System and method for improved blackfield detection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557352A (en) * 1967-11-01 1971-01-19 Coulter Electronics Apparatus and method for measuring a dividing particle size of a particulate system
US3760377A (en) * 1970-07-17 1973-09-18 Ibm Histogram data processor
ZA727670B (en) * 1971-11-04 1974-06-26 W Coulter A system for altering a data distribution display
US3819913A (en) * 1973-05-21 1974-06-25 Corning Glass Works Detection of eosinophil cells on a blood smeared slide
JPS5519371B2 (enExample) * 1973-09-13 1980-05-26
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
GB1538225A (en) * 1975-02-28 1979-01-10 Nat Res Dev Methods and apparatus for analysing frequency distributions
HU173092B (hu) * 1976-02-24 1979-02-28 Medicor Muevek Ehlektroskhema dlja opredelenija chisla eritrocito, srednego ob"joma tel'ca, velichini gematokrita i drugikh parametrov krovi
US4063309A (en) * 1976-09-16 1977-12-13 Hycel, Inc. Mean corpuscular volume measuring apparatus and method

Also Published As

Publication number Publication date
JPS5590842A (en) 1980-07-09
EP0012418B1 (de) 1982-04-28
US4309757A (en) 1982-01-05
JPH0225134B2 (enExample) 1990-05-31
EP0012418A1 (de) 1980-06-25
ATE935T1 (de) 1982-05-15
CA1133139A (en) 1982-10-05
ES485470A1 (es) 1980-09-01

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: OERLIKON-CONTRAVES AG, ZUERICH, CH

8328 Change in the person/name/address of the agent

Free format text: MITSCHERLICH, H., DIPL.-ING. KOERBER, W., DIPL.-ING. DR.RER.NAT. SCHMIDT-EVERS, J., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee