FR2244989A1 - - Google Patents
Info
- Publication number
- FR2244989A1 FR2244989A1 FR7432022A FR7432022A FR2244989A1 FR 2244989 A1 FR2244989 A1 FR 2244989A1 FR 7432022 A FR7432022 A FR 7432022A FR 7432022 A FR7432022 A FR 7432022A FR 2244989 A1 FR2244989 A1 FR 2244989A1
- Authority
- FR
- France
- 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
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
-
- 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
- G01N15/13—Details pertaining to apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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)
- Sampling And Sample Adjustment (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US400986A US3902115A (en) | 1973-09-26 | 1973-09-26 | Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2244989A1 true FR2244989A1 (fr) | 1975-04-18 |
FR2244989B1 FR2244989B1 (fr) | 1976-10-22 |
Family
ID=23585797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7432022A Expired FR2244989B1 (fr) | 1973-09-26 | 1974-09-23 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3902115A (fr) |
JP (1) | JPS5522734B2 (fr) |
CA (1) | CA1007704A (fr) |
DE (1) | DE2445411C2 (fr) |
FR (1) | FR2244989B1 (fr) |
GB (1) | GB1479901A (fr) |
NL (1) | NL7412562A (fr) |
SE (1) | SE409246B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2618469A1 (de) * | 1975-04-30 | 1976-11-11 | Coulter Electronics | Tastoeffnungsmodul |
FR2380549A1 (fr) * | 1977-02-15 | 1978-09-08 | Coulter Electronics | Module a ouverture avec electrode perforee pour la detection electronique de particules |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979669A (en) * | 1973-09-26 | 1976-09-07 | Coulter Electronics, Inc. | Particle analyzing system |
US4103229A (en) * | 1977-01-28 | 1978-07-25 | The University Of Virginia | Continuous-flow, resistive-particle counting apparatus |
US4090128A (en) * | 1977-02-15 | 1978-05-16 | Coulter Electronics, Inc. | Aperture module for use in particle testing apparatus |
US4157498A (en) * | 1977-08-01 | 1979-06-05 | Miles Laboratories, Inc. | Flow-through type particle analyzing apparatus |
US4290011A (en) * | 1978-05-18 | 1981-09-15 | Particle Data, Inc. | Particle length and volume comeasurement with controlled orientation |
US4491786A (en) * | 1978-09-13 | 1985-01-01 | Coulter Electronics, Inc. | Transducer for measuring particles suspended in a fluid |
JPS55143431A (en) * | 1979-04-26 | 1980-11-08 | Toa Medical Electronics Co Ltd | Detector for corpuscle |
JPH0129567Y2 (fr) * | 1980-01-21 | 1989-09-08 | ||
JPS56103348A (en) * | 1980-01-22 | 1981-08-18 | Toa Medical Electronics Co Ltd | Particle detector |
US4361803A (en) * | 1980-08-26 | 1982-11-30 | Coulter Electronics, Inc. | Apparatus for recirculating sweep flow electrolyte without a pump |
US4710021A (en) * | 1983-10-14 | 1987-12-01 | Sequoia-Turner Corporation | Particulate matter analyzing apparatus and method |
DE3437519A1 (de) * | 1983-10-14 | 1985-04-25 | Sequoia Turner Corp | Verfahren und vorrichtung zum analysieren von teilchenfoermigem material |
JPH0622203Y2 (ja) * | 1989-01-26 | 1994-06-08 | 東亜医用電子株式会社 | 試料測定装置 |
US5094818A (en) * | 1989-05-04 | 1992-03-10 | Exact Science, Inc. | Self-filling anti-siphon flow system for particle analysis |
US5432992A (en) * | 1993-12-23 | 1995-07-18 | Abbott Laboratories | Method of making count probe with removable count wafer |
US5402062A (en) * | 1993-12-23 | 1995-03-28 | Abbott Laboratories | Mechanical capture of count wafer for particle analysis |
WO1995017659A1 (fr) * | 1993-12-23 | 1995-06-29 | Abbott Laboratories | Procede de fabrication d'une sonde de comptage relaxee par recuit |
US5895869A (en) * | 1995-11-17 | 1999-04-20 | Mwi, Inc. | Method and apparatus for analyzing particulate matter |
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 |
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 |
DE60040915D1 (de) * | 1999-08-06 | 2009-01-08 | Chempaq As | Teilchenbestimmungsvorrichtung |
WO2003104771A1 (fr) * | 2002-06-01 | 2003-12-18 | Chempaq A/S | Reactif lysogene, cartouche et compteur de cellules electronique automatique pour le denombrement simultane de differents types de globules blancs |
CA2855108A1 (fr) * | 2005-02-10 | 2006-08-17 | Koninklijke Philips Electronics N.V. | Cartouche echantillon double et procede de caracterisation d'une particule dans un liquide |
AU2006212607B2 (en) | 2005-02-10 | 2010-12-09 | Koninklijke Philips Electronics N.V. | Dual sample cartridge and method for characterizing particle in liquid |
DE102009024561A1 (de) * | 2009-06-08 | 2010-12-16 | Hydac Filter Systems Gmbh | Verfahren und Vorrichtung zum Erfassen von Verunreinigungen in einem Fluid |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3340471A (en) * | 1966-08-22 | 1967-09-05 | Coulter Electronics | Flow-through sample apparatus for use with electrical particle study device |
US3746976A (en) * | 1971-04-07 | 1973-07-17 | Coulter Electronics | Self-cleaning aperture tube for coulter study apparatus |
-
1973
- 1973-09-26 US US400986A patent/US3902115A/en not_active Expired - Lifetime
-
1974
- 1974-09-21 JP JP10833274A patent/JPS5522734B2/ja not_active Expired
- 1974-09-23 DE DE2445411A patent/DE2445411C2/de not_active Expired
- 1974-09-23 SE SE7411921A patent/SE409246B/xx not_active IP Right Cessation
- 1974-09-23 FR FR7432022A patent/FR2244989B1/fr not_active Expired
- 1974-09-23 GB GB41368/74A patent/GB1479901A/en not_active Expired
- 1974-09-23 NL NL7412562A patent/NL7412562A/xx not_active Application Discontinuation
- 1974-09-23 CA CA209,751A patent/CA1007704A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2618469A1 (de) * | 1975-04-30 | 1976-11-11 | Coulter Electronics | Tastoeffnungsmodul |
FR2380549A1 (fr) * | 1977-02-15 | 1978-09-08 | Coulter Electronics | Module a ouverture avec electrode perforee pour la detection electronique de particules |
Also Published As
Publication number | Publication date |
---|---|
DE2445411A1 (de) | 1975-05-07 |
JPS5061269A (fr) | 1975-05-26 |
GB1479901A (en) | 1977-07-13 |
NL7412562A (nl) | 1975-04-01 |
US3902115A (en) | 1975-08-26 |
JPS5522734B2 (fr) | 1980-06-18 |
FR2244989B1 (fr) | 1976-10-22 |
DE2445411C2 (de) | 1984-08-09 |
SE7411921L (sv) | 1975-03-27 |
SE409246B (sv) | 1979-08-06 |
CA1007704A (en) | 1977-03-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences |