CH585901A5 - - Google Patents

Info

Publication number
CH585901A5
CH585901A5 CH1385074A CH1385074A CH585901A5 CH 585901 A5 CH585901 A5 CH 585901A5 CH 1385074 A CH1385074 A CH 1385074A CH 1385074 A CH1385074 A CH 1385074A CH 585901 A5 CH585901 A5 CH 585901A5
Authority
CH
Switzerland
Application number
CH1385074A
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 CH585901A5 publication Critical patent/CH585901A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/02—Input circuits
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Radiation (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CH1385074A 1973-10-17 1974-10-16 CH585901A5 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40723573A 1973-10-17 1973-10-17
US05/485,160 US3936741A (en) 1973-10-17 1974-07-02 Method and apparatus for providing primary coincidence correction during particle analysis utilizing time generation techniques

Publications (1)

Publication Number Publication Date
CH585901A5 true CH585901A5 (fr) 1977-03-15

Family

ID=27019816

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1385074A CH585901A5 (fr) 1973-10-17 1974-10-16

Country Status (11)

Country Link
US (1) US3936741A (fr)
JP (1) JPS5068174A (fr)
CA (1) CA1001717A (fr)
CH (1) CH585901A5 (fr)
DE (1) DE2449321A1 (fr)
FR (1) FR2248653B1 (fr)
GB (1) GB1481338A (fr)
IL (1) IL45842A (fr)
IT (1) IT1021827B (fr)
NL (1) NL7413574A (fr)
SE (1) SE7413012L (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939409A (en) * 1974-08-01 1976-02-17 Coulter Electronics, Inc. Particle study device and sample metering means used therein
US4021117A (en) * 1975-08-07 1977-05-03 Hildegard Gohde Process for automatic counting and measurement of particles
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
US4251768A (en) * 1978-09-29 1981-02-17 Hycel, Inc. Coincidence correction of hematocrit in a hematology measurement apparatus
US4253154A (en) * 1979-01-11 1981-02-24 North American Philips Corporation Line scan and X-ray map enhancement of SEM X-ray data
JPS56143918A (en) * 1980-04-10 1981-11-10 Shinko Denshi Kk Counter of number of parts
US4510438A (en) * 1982-02-16 1985-04-09 Coulter Electronics, Inc. Coincidence correction in particle analysis system
EP0100891A1 (fr) * 1982-08-17 1984-02-22 Contraves Ag Procédé et appareil de correction d'erreurs dues à des coincidences lors du comptage de particules de deux sortes
US4977517A (en) * 1988-09-21 1990-12-11 Toni Diagnostics, Inc. Leak and clog detection and removal system for use with particle counters
US7895000B2 (en) * 2007-09-04 2011-02-22 Venturedyne, Ltd. Environmental sensor, particle counting system having an environmental sensor, and methods of operating the same
US7724150B2 (en) * 2007-09-04 2010-05-25 Venturedyne, Ltd. Environmental sensor, particle counting system having an environmental sensor, and methods of operating the same
BR112012022653B1 (pt) * 2010-03-10 2020-03-10 Beckman Coulter, Inc. Método de geração de parâmetros de medição e analisador de partículas

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171892A (en) * 1961-06-27 1965-03-02 Pantle Jorge Oltvani Electronic apparatus for the observation of signals of biological origin
US3611157A (en) * 1969-06-09 1971-10-05 Us Navy Pulse width discriminator
US3600688A (en) * 1970-04-21 1971-08-17 Bethlehem Steel Corp Signal discriminator circuit

Also Published As

Publication number Publication date
SE7413012L (fr) 1975-04-18
IT1021827B (it) 1978-02-20
IL45842A0 (en) 1974-12-31
FR2248653B1 (fr) 1979-06-15
GB1481338A (en) 1977-07-27
IL45842A (en) 1976-10-31
DE2449321A1 (de) 1975-04-30
US3936741A (en) 1976-02-03
JPS5068174A (fr) 1975-06-07
NL7413574A (nl) 1975-04-21
CA1001717A (en) 1976-12-14
FR2248653A1 (fr) 1975-05-16

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Legal Events

Date Code Title Description
PL Patent ceased