JPS50110388A - - Google Patents
Info
- Publication number
- JPS50110388A JPS50110388A JP50014449A JP1444975A JPS50110388A JP S50110388 A JPS50110388 A JP S50110388A JP 50014449 A JP50014449 A JP 50014449A JP 1444975 A JP1444975 A JP 1444975A JP S50110388 A JPS50110388 A JP S50110388A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G01N15/134—Devices using two or more apertures
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)
- Automatic Analysis And Handling Materials Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US439875A US3882385A (en) | 1974-02-06 | 1974-02-06 | Method and apparatus for studying particles having widely different sizes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50110388A true JPS50110388A (US06272168-20010807-M00014.png) | 1975-08-30 |
Family
ID=23746498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50014449A Pending JPS50110388A (US06272168-20010807-M00014.png) | 1974-02-06 | 1975-02-05 |
Country Status (7)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4078211A (en) * | 1976-09-29 | 1978-03-07 | Coulter Electronics, Inc. | Method and apparatus for balancing particle detecting signals generated in a particle study device having multiple apertures |
| US4157499A (en) * | 1977-09-15 | 1979-06-05 | Becton, Dickinson And Company | Blood cell counter having dual testing heads |
| US4307339A (en) * | 1979-12-10 | 1981-12-22 | Ferrell Michael W | Particle counter |
| US4450435A (en) * | 1981-11-30 | 1984-05-22 | Bobby Dencil James | Analog debris alarm |
| GB8606299D0 (en) * | 1986-03-14 | 1986-04-23 | Holley J E F | Scanner |
| EP0580525A1 (en) * | 1992-07-13 | 1994-01-26 | Eastman Kodak Company | Particle size probe for silver halide emulsion |
| US5610027A (en) * | 1992-10-30 | 1997-03-11 | Micro-Med, Inc. | Microphoto lysis-anlaysis process to measure cell characteristics |
| US5955295A (en) * | 1992-10-30 | 1999-09-21 | Micro-Med, Inc. | Micro lysis-analysis process to measure cell characteristics and diagnose diseases |
| US5532139A (en) * | 1992-10-30 | 1996-07-02 | Micro-Med, Inc. | Micro lysis-analysis process to measure cell characteristics and diagnose diseases |
| US5578771A (en) * | 1993-02-12 | 1996-11-26 | Outokumpu Mintec Oy | Method for measuring particle size distribution |
| WO2004031756A1 (en) * | 2002-10-02 | 2004-04-15 | Airadvice, Inc. | Method and apparatus for particle sizing |
| US8146407B2 (en) * | 2008-06-20 | 2012-04-03 | Beckman Coulter, Inc. | Particle counter with electronic detection of aperture blockage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3444464A (en) * | 1965-11-26 | 1969-05-13 | Coulter Electronics | Multiple aperture fittings for particle analyzing apparatus |
-
1974
- 1974-02-06 US US439875A patent/US3882385A/en not_active Expired - Lifetime
-
1975
- 1975-02-05 SE SE7501255A patent/SE7501255L/xx unknown
- 1975-02-05 DE DE19752504755 patent/DE2504755A1/de not_active Withdrawn
- 1975-02-05 FR FR7503599A patent/FR2260099B1/fr not_active Expired
- 1975-02-05 CA CA219,430A patent/CA1013433A/en not_active Expired
- 1975-02-05 GB GB493875A patent/GB1452458A/en not_active Expired
- 1975-02-05 JP JP50014449A patent/JPS50110388A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3882385A (en) | 1975-05-06 |
| FR2260099A1 (US06272168-20010807-M00014.png) | 1975-08-29 |
| GB1452458A (en) | 1976-10-13 |
| CA1013433A (en) | 1977-07-05 |
| SE7501255L (US06272168-20010807-M00014.png) | 1975-08-07 |
| FR2260099B1 (US06272168-20010807-M00014.png) | 1977-11-18 |
| DE2504755A1 (de) | 1975-08-07 |
