DE1291544B - Einrichtung zum Feststellen von Ablagerungen in oder um eine Messoeffnung eines Geraetes zum Zaehlen und Klassieren von in einer elektrolytischen Fluessigkeit suspendierten Partikeln geringen Durchmessers - Google Patents
Einrichtung zum Feststellen von Ablagerungen in oder um eine Messoeffnung eines Geraetes zum Zaehlen und Klassieren von in einer elektrolytischen Fluessigkeit suspendierten Partikeln geringen DurchmessersInfo
- Publication number
- DE1291544B DE1291544B DEC35739A DEC0035739A DE1291544B DE 1291544 B DE1291544 B DE 1291544B DE C35739 A DEC35739 A DE C35739A DE C0035739 A DEC0035739 A DE C0035739A DE 1291544 B DE1291544 B DE 1291544B
- Authority
- DE
- Germany
- Prior art keywords
- pulses
- measuring
- switching stage
- output
- measuring opening
- 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.)
- Withdrawn
Links
- 239000002245 particle Substances 0.000 title claims description 26
- 239000007788 liquid Substances 0.000 title claims description 6
- 239000003990 capacitor Substances 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 18
- 230000008021 deposition Effects 0.000 claims description 6
- 239000007858 starting material Substances 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 244000052769 pathogen Species 0.000 claims 1
- 230000001717 pathogenic effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 229910052753 mercury Inorganic materials 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/4238—With cleaner, lubrication added to fluid or liquid sealing at valve interface
- Y10T137/4245—Cleaning or steam sterilizing
- Y10T137/4259—With separate material addition
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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Clamps And Clips (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US364070A US3259891A (en) | 1964-05-01 | 1964-05-01 | Debris alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1291544B true DE1291544B (de) | 1969-03-27 |
Family
ID=23432876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEC35739A Withdrawn DE1291544B (de) | 1964-05-01 | 1965-04-30 | Einrichtung zum Feststellen von Ablagerungen in oder um eine Messoeffnung eines Geraetes zum Zaehlen und Klassieren von in einer elektrolytischen Fluessigkeit suspendierten Partikeln geringen Durchmessers |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3259891A (cg-RX-API-DMAC7.html) |
| CH (1) | CH422391A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1291544B (cg-RX-API-DMAC7.html) |
| GB (1) | GB1061776A (cg-RX-API-DMAC7.html) |
| NL (2) | NL6505468A (cg-RX-API-DMAC7.html) |
| NO (1) | NO119052B (cg-RX-API-DMAC7.html) |
| SE (1) | SE301732B (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0002103A1 (en) * | 1977-11-18 | 1979-05-30 | Becton Dickinson and Company | A blood cell counter having a purging system |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3395344A (en) * | 1964-11-25 | 1968-07-30 | Coulter Electronics | Particle studying apparatus with selfclearing scanner element |
| US3354386A (en) * | 1966-11-16 | 1967-11-21 | United Aircraft Corp | Apparatus for detecting discontinuities in insulated conductors including capacitively coupled schmitt trigger means |
| CH538787A (de) * | 1971-11-09 | 1973-06-30 | Contraves Ag | Verfahren und Einrichtung zur Erzeugung einer Grösse, die der mittleren Impulsscheitelhöhe einer Vielzahl von Eingangsimpulsen proportional ist |
| US3963984A (en) * | 1974-11-04 | 1976-06-15 | Coulter Electronics, Inc. | Method and system for cleaning an aperture in a particle study device |
| CH618514A5 (cg-RX-API-DMAC7.html) | 1977-08-25 | 1980-07-31 | Contraves Ag | |
| US4270564A (en) * | 1978-07-24 | 1981-06-02 | Liston Scientific Corp. | Purging system |
| US4302754A (en) * | 1979-02-12 | 1981-11-24 | Technical Development Co. | Wear particle disintegrator monitor |
| 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 |
| US4450435A (en) * | 1981-11-30 | 1984-05-22 | Bobby Dencil James | Analog debris alarm |
| US4564803A (en) * | 1983-08-29 | 1986-01-14 | Coulter Corporation | Method and apparatus for removing foreign matter from a flow cell of a particle study device |
| US4598280A (en) * | 1984-08-20 | 1986-07-01 | The United States Of America As Represented By The Secretary Of The Army | Electric chip detector |
| US4775833A (en) * | 1986-10-03 | 1988-10-04 | Coulter Electronics, Inc. | Lodged debris detector for a particle analyzer |
| GB2337598B (en) * | 1996-11-20 | 2000-08-16 | Microbial Systems Ltd | Particle sizing apparatus |
| 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 |
| GB9810493D0 (en) * | 1998-05-16 | 1998-07-15 | Microbial Systems Ltd | Particle detector system |
| BRPI0508435B1 (pt) | 2004-03-04 | 2019-04-02 | Novelis Inc | Método e aparelho para medir partículas em um metal fundido com um analisador de limpeza de metal líquido (limca) |
| JP5048674B2 (ja) * | 2005-09-22 | 2012-10-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 開口の閉塞の検出およびその後の除去 |
| US8146407B2 (en) * | 2008-06-20 | 2012-04-03 | Beckman Coulter, Inc. | Particle counter with electronic detection of aperture blockage |
| US8199023B2 (en) * | 2008-10-15 | 2012-06-12 | Alcoa Inc. | Systems, methods and apparatus for tapping a metal electrolysis cell |
| RU2587328C2 (ru) * | 2010-05-05 | 2016-06-20 | БЕКМАН КАУЛТЕР БАЙОМЕДИКАЛ, ЭлЭлСи | Диагностическая система и компоненты |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1134223B (de) * | 1957-05-08 | 1962-08-02 | Evans Electroselenium Ltd | Verfahren und Vorrichtung zum Zaehlen kleiner Teilchen, z. B. Blutkoerperchen |
| FR1328366A (fr) * | 1961-04-06 | 1963-05-31 | Appareil pour l'étude des propriétés physiques de particules |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR807782A (fr) * | 1935-07-11 | 1937-01-21 | Lorenz C Ag | Appareil de basculage destiné en particulier aux installations de télévision |
| US2475063A (en) * | 1944-02-24 | 1949-07-05 | Rca Corp | Regulated high-voltage apparatus |
| US2437876A (en) * | 1945-07-09 | 1948-03-16 | Nasa | Signal receiver and warning device |
| US2988708A (en) * | 1957-07-10 | 1961-06-13 | Mosler Res Products Inc | Transistor relaxation oscillator |
| US3165692A (en) * | 1961-05-15 | 1965-01-12 | Technicon Instr | Continuously operable apparatus and method for counting particles in successive portions of a flowing fluid stream |
-
1964
- 1964-05-01 US US364070A patent/US3259891A/en not_active Expired - Lifetime
- 1964-06-10 GB GB24148/64A patent/GB1061776A/en not_active Expired
-
1965
- 1965-04-23 SE SE5307/65A patent/SE301732B/xx unknown
- 1965-04-26 NO NO157833A patent/NO119052B/no unknown
- 1965-04-29 NL NL6505468A patent/NL6505468A/xx unknown
- 1965-04-29 CH CH615965A patent/CH422391A/fr unknown
- 1965-04-30 DE DEC35739A patent/DE1291544B/de not_active Withdrawn
-
1972
- 1972-05-10 NL NL727206329A patent/NL151184B/xx unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1134223B (de) * | 1957-05-08 | 1962-08-02 | Evans Electroselenium Ltd | Verfahren und Vorrichtung zum Zaehlen kleiner Teilchen, z. B. Blutkoerperchen |
| FR1328366A (fr) * | 1961-04-06 | 1963-05-31 | Appareil pour l'étude des propriétés physiques de particules |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0002103A1 (en) * | 1977-11-18 | 1979-05-30 | Becton Dickinson and Company | A blood cell counter having a purging system |
Also Published As
| Publication number | Publication date |
|---|---|
| CH422391A (fr) | 1966-10-15 |
| US3259891A (en) | 1966-07-05 |
| NL7206329A (cg-RX-API-DMAC7.html) | 1972-07-25 |
| NL6505468A (cg-RX-API-DMAC7.html) | 1965-11-02 |
| GB1061776A (en) | 1967-03-15 |
| NL151184B (nl) | 1976-10-15 |
| NO119052B (cg-RX-API-DMAC7.html) | 1970-03-16 |
| SE301732B (cg-RX-API-DMAC7.html) | 1968-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1291544B (de) | Einrichtung zum Feststellen von Ablagerungen in oder um eine Messoeffnung eines Geraetes zum Zaehlen und Klassieren von in einer elektrolytischen Fluessigkeit suspendierten Partikeln geringen Durchmessers | |
| DE1116910B (de) | Apparatur zur Messung des Volumens einer Fluessigkeitsmenge | |
| DE69737255T2 (de) | Vorrichtung zur Messung der Teilchengrösse | |
| DE2710877C2 (de) | Einbruch-Alarmsystem | |
| DE2323372A1 (de) | Verfahren und schaltung zur festlegung einer impulsfolge auf ein bestimmtes potential | |
| DE2754420B2 (de) | Ballistische Meßanordnung | |
| DE1964388B2 (de) | Fotoelektrische Meßeinrichtung | |
| DE2150180A1 (de) | Vorrichtung zum Auswerten der Steigung eines Signals | |
| DE1548609B2 (de) | Verfahren zur bestimmung des mittelwertes einer mehrzahl von groessen sowie vorrichtung zur durchfuehrung eines solchen verfahrens | |
| DE1514377B1 (de) | Verfahren und Vorrichtung zur Bestimmung des zweiten Durchbruchs von Transistoren bei angelegter Sperrspannung | |
| DE2428082C3 (de) | Schaltangsanordnung zur Eichung einer Meßanordnung zur Volumen-Messung von Partikeln | |
| DE712498C (de) | Einrichtung zur Loeschung elektrischer Lichtboegen mittels Kondensatorentladungen | |
| DE1233641B (de) | Verfahren und Vorrichtung zum Unterscheiden nahe beieinanderliegender, in einem Beobachtungsfeld verteilter Gegenstaende | |
| DE906519C (de) | Schaltungsanordnung zum Anzeigen oder Registrieren von Augenblickswerten | |
| EP0572945B1 (de) | Staubsammelvorrichtung | |
| DE2202059A1 (de) | Verfahren und Vorrichtung zur Integration einer elektrischen Spannung mit digitaler Anzeige | |
| DE1698193B2 (de) | Elektrisches multipolfilter zum trennen von ionen verschiedener masse | |
| DE924577C (de) | Anordnung mit statischem Elektronenvervielfacher | |
| AT218755B (de) | Vorrichtung zur Feststellung von spontanen Querschnittsänderungen in Textilmaterial | |
| DE1808129A1 (de) | Photovervielfacherroehre | |
| DE707476C (de) | Schaltungsanordnung zur Trennung von Impulsen laengerer Dauer von solchen kuerzerer Dauer | |
| DE1448771B2 (de) | Vorrichtung zur Feststellung der Klassenhäufigkeit von Maxima einer Funktion | |
| DE902264C (de) | Empfangsverstaerker fuer Rueckstrahl-Ortungsgeraete | |
| DE1448771C (de) | Vorrichtung zur Feststellung der Klassenhaufigkeit von Maxima einer Funktion | |
| DE1574111B1 (de) | Schaltungsanordnung fuer ein verfahren zum aussortieren von inhomogenem stueckgut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |