BE726844A - - Google Patents

Info

Publication number
BE726844A
BE726844A BE726844A BE726844A BE726844A BE 726844 A BE726844 A BE 726844A BE 726844 A BE726844 A BE 726844A BE 726844 A BE726844 A BE 726844A BE 726844 A BE726844 A BE 726844A
Authority
BE
Belgium
Prior art keywords
count
circuit
signal
circuits
channels
Prior art date
Application number
BE726844A
Other languages
English (en)
French (fr)
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
Publication of BE726844A publication Critical patent/BE726844A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N15/134Devices using two or more apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measurement Of Radiation (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
BE726844A 1968-01-15 1969-01-14 BE726844A (forum.php)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69798568A 1968-01-15 1968-01-15

Publications (1)

Publication Number Publication Date
BE726844A true BE726844A (forum.php) 1969-07-14

Family

ID=24803428

Family Applications (1)

Application Number Title Priority Date Filing Date
BE726844A BE726844A (forum.php) 1968-01-15 1969-01-14

Country Status (9)

Country Link
US (1) US3530381A (forum.php)
JP (1) JPS494872B1 (forum.php)
BE (1) BE726844A (forum.php)
CH (1) CH514893A (forum.php)
DE (1) DE1901608C3 (forum.php)
FR (1) FR2000240A1 (forum.php)
GB (1) GB1254891A (forum.php)
NL (1) NL159786B (forum.php)
SE (1) SE348300B (forum.php)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678382A (en) * 1970-04-09 1972-07-18 Coulter Electronics Malfunction detection circuit and method
US3667057A (en) * 1970-05-22 1972-05-30 Bendix Corp Method and means for providing an output corresponding to the average of acceptable input signals
FR2116224B1 (forum.php) * 1970-10-29 1974-10-31 Ibm France
US3686493A (en) * 1970-11-13 1972-08-22 Gen Electric Limited average voter circuitry
US3862356A (en) * 1972-01-07 1975-01-21 Tektronix Inc Television picture monitor capable of measuring a plurality of signals
US3863056A (en) * 1973-06-29 1975-01-28 Coulter Electronics Method and apparatus for multichannel voting
US4017742A (en) * 1975-03-28 1977-04-12 The Bendix Corporation Multiple input, multiple failure operational voter circuit
FR2472183B1 (fr) * 1979-12-12 1986-03-07 Coulter Electronics Procede de nettoyage d'une ouverture pour un dispositif d'etude de particules et appareil pour la mise en oeuvre de ce procede
GB9624096D0 (en) 1996-11-20 1997-01-08 Microbial Systems Ltd Apparatus and method of use thereof
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof
EP1797412A1 (en) * 2004-10-01 2007-06-20 Chempaq A/S A method for calibrating a particle counting apparatus
US7579879B2 (en) * 2005-10-27 2009-08-25 Honeywell International Inc. Voting scheme for analog signals
US7457709B2 (en) * 2005-12-20 2008-11-25 Beckman Coulter, Inc. Systems and methods for particle counting
AU2009221393B2 (en) * 2008-03-03 2014-01-09 Koninklijke Philips Electronics N.V. High resolution classification
US9092313B2 (en) * 2013-01-25 2015-07-28 Honeywell International Inc. System and method for three input voting
EP3514498B1 (en) * 2016-09-15 2021-05-05 Alps Alpine Co., Ltd. Physical quantity measurement device
CN112730202B (zh) * 2020-12-29 2023-06-16 深圳市科曼医疗设备有限公司 血球分析仪的阻抗法检测系统和识别阻抗通道堵孔的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420993A (en) * 1964-11-23 1969-01-07 Gen Electric Redundant analog failure correction and detection process and apparatus

Also Published As

Publication number Publication date
DE1901608B2 (de) 1974-10-31
CH514893A (fr) 1971-10-31
DE1901608C3 (de) 1975-07-03
DE1901608A1 (de) 1969-10-09
NL6900564A (forum.php) 1969-07-17
GB1254891A (en) 1971-11-24
FR2000240A1 (forum.php) 1969-09-05
JPS494872B1 (forum.php) 1974-02-04
SE348300B (forum.php) 1972-08-28
US3530381A (en) 1970-09-22
NL159786B (nl) 1979-03-15

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