FR2396285A1 - - Google Patents

Info

Publication number
FR2396285A1
FR2396285A1 FR7819183A FR7819183A FR2396285A1 FR 2396285 A1 FR2396285 A1 FR 2396285A1 FR 7819183 A FR7819183 A FR 7819183A FR 7819183 A FR7819183 A FR 7819183A FR 2396285 A1 FR2396285 A1 FR 2396285A1
Authority
FR
France
Prior art keywords
scanning
potential difference
suspended
value
momentary change
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.)
Granted
Application number
FR7819183A
Other languages
English (en)
French (fr)
Other versions
FR2396285B1 (OSRAM
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
Publication of FR2396285A1 publication Critical patent/FR2396285A1/fr
Application granted granted Critical
Publication of FR2396285B1 publication Critical patent/FR2396285B1/fr
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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR7819183A 1977-06-27 1978-06-27 Expired FR2396285B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH784277A CH614781A5 (OSRAM) 1977-06-27 1977-06-27

Publications (2)

Publication Number Publication Date
FR2396285A1 true FR2396285A1 (OSRAM) 1979-01-26
FR2396285B1 FR2396285B1 (OSRAM) 1985-03-08

Family

ID=4331230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819183A Expired FR2396285B1 (OSRAM) 1977-06-27 1978-06-27

Country Status (13)

Country Link
US (1) US4161690A (OSRAM)
JP (1) JPS5412794A (OSRAM)
BE (1) BE867676A (OSRAM)
CA (1) CA1103312A (OSRAM)
CH (1) CH614781A5 (OSRAM)
DE (1) DE2824831C3 (OSRAM)
DK (1) DK146984C (OSRAM)
ES (1) ES471120A1 (OSRAM)
FR (1) FR2396285B1 (OSRAM)
GB (1) GB1602134A (OSRAM)
IT (1) IT1096003B (OSRAM)
NL (1) NL188308C (OSRAM)
SE (1) SE438554B (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242971A3 (en) * 1986-03-14 1988-12-21 John Ernest Foster Holley Element for use in a particle counter
EP0398719A3 (en) * 1989-05-18 1991-08-07 Alcan International Limited Improvements in apparatus for particle determination in liquid metals

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4438390A (en) 1981-03-23 1984-03-20 Coulter Electronics, Inc. Tandem sensing zones for improved signal-to-noise ratio in particle analyzer
US4488116A (en) * 1981-09-22 1984-12-11 Mars, Incorporated Inductive coin sensor for measuring more than one parameter of a moving coin
US4510438A (en) * 1982-02-16 1985-04-09 Coulter Electronics, Inc. Coincidence correction in particle analysis system
DE3411936A1 (de) * 1983-03-31 1984-10-11 Eduard Dr.med. Stäfa Bretschger Teilchenzaehleinrichtung und verfahren zu deren betrieb
US4607526A (en) * 1984-12-21 1986-08-26 Allied Corporation Particle analysis system
DE3522186A1 (de) * 1985-06-21 1987-01-02 Hoechst Ag Messeinrichtung zum messen des verformungsvermoegens von roten blutkoerperchen
US4977517A (en) * 1988-09-21 1990-12-11 Toni Diagnostics, Inc. Leak and clog detection and removal system for use with particle counters
CA1315127C (en) * 1989-02-03 1993-03-30 Raynald Hachey Apparatus for particle determination in liquid metals
GB2232769B (en) * 1989-06-13 1994-06-22 Timothy Charles Fisher Counting and volume measurement of particles and biological cells,and determination of their deformability
US5376878A (en) * 1991-12-12 1994-12-27 Fisher; Timothy C. Multiple-aperture particle counting sizing and deformability-measuring apparatus
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
US6122599A (en) 1998-02-13 2000-09-19 Mehta; Shailesh Apparatus and method for analyzing particles
US6259242B1 (en) * 1999-05-26 2001-07-10 Coulter International Corp. Apparatus incorporating a sensing conduit in conductive material and method of use thereof for sensing and characterizing particles
HUE046599T2 (hu) 2004-03-04 2020-03-30 Novelis Inc Elektród elrendezés folyékony fém tisztaság analizátorhoz
US9121843B2 (en) 2007-05-08 2015-09-01 Trustees Of Boston University Chemical functionalization of solid-state nanopores and nanopore arrays and applications thereof
WO2010124202A1 (en) * 2009-04-24 2010-10-28 Beckman Coulter, Inc. Method of characterizing particles
JP2013506418A (ja) 2009-09-30 2013-02-28 クアンタポール， インコーポレイテッド 標識されたナノポアを使用する生物学的なポリマーの超高速配列決定
US9651539B2 (en) 2012-10-28 2017-05-16 Quantapore, Inc. Reducing background fluorescence in MEMS materials by low energy ion beam treatment
CA2910019A1 (en) 2013-05-24 2014-11-27 Quantapore, Inc. Nanopore-based nucleic acid analysis with mixed fret detection
WO2016057829A1 (en) 2014-10-10 2016-04-14 Quantapore, Inc. Nanopore-based polymer analysis with mutually-quenching fluorescent labels
JP6757316B2 (ja) 2014-10-24 2020-09-16 クアンタポール， インコーポレイテッド ナノ構造のアレイを使用するポリマーの効率的光学分析
JP2019522983A (ja) 2016-07-05 2019-08-22 クアンタポール， インコーポレイテッド 光学ベースのナノポア配列決定

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996917A (en) * 1958-02-13 1961-08-22 Walter P Christoph Electrolytic apparatus for temperature and radiation measurements
US3801901A (en) * 1970-10-27 1974-04-02 Coulter Electronics Particle study apparatus including an axial trajectory sensor
US3821644A (en) * 1971-04-26 1974-06-28 H Gohde Device for automatic counting and measurement of suspended particles
CH546437A (de) * 1972-06-30 1974-02-28 Contraves Ag Verfahren und einrichtung zur kompensation der temperaturabhaengigkeit einer fluessigkeit bei der bestimmung von in derselben suspendierten teilchen.
US3973194A (en) * 1972-08-07 1976-08-03 Becton, Dickinson And Company Particle counter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242971A3 (en) * 1986-03-14 1988-12-21 John Ernest Foster Holley Element for use in a particle counter
EP0398719A3 (en) * 1989-05-18 1991-08-07 Alcan International Limited Improvements in apparatus for particle determination in liquid metals

Also Published As

Publication number Publication date
DK146984C (da) 1984-08-13
ES471120A1 (es) 1979-01-01
FR2396285B1 (OSRAM) 1985-03-08
NL7806472A (nl) 1978-12-29
CH614781A5 (OSRAM) 1979-12-14
DE2824831A1 (de) 1979-01-04
JPS629850B2 (OSRAM) 1987-03-03
GB1602134A (en) 1981-11-04
CA1103312A (en) 1981-06-16
NL188308B (nl) 1991-12-16
JPS5412794A (en) 1979-01-30
DK250878A (da) 1978-12-28
US4161690A (en) 1979-07-17
IT1096003B (it) 1985-08-17
DE2824831C3 (de) 1980-11-06
DE2824831B2 (de) 1980-03-13
SE438554B (sv) 1985-04-22
NL188308C (nl) 1992-05-18
IT7824714A0 (it) 1978-06-20
BE867676A (fr) 1978-09-18
SE7807163L (sv) 1978-12-28
DK146984B (da) 1984-03-05

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Legal Events

Date Code Title Description
ST Notification of lapse