DE3437519C2 - - Google Patents
Info
- Publication number
- DE3437519C2 DE3437519C2 DE3437519A DE3437519A DE3437519C2 DE 3437519 C2 DE3437519 C2 DE 3437519C2 DE 3437519 A DE3437519 A DE 3437519A DE 3437519 A DE3437519 A DE 3437519A DE 3437519 C2 DE3437519 C2 DE 3437519C2
- Authority
- DE
- Germany
- Prior art keywords
- measuring
- liquid
- opening
- tube
- particle
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims description 74
- 239000002245 particle Substances 0.000 claims description 33
- 239000002699 waste material Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010437 gem Substances 0.000 description 2
- 229910001751 gemstone Inorganic materials 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000725 suspension Substances 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
- 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)
- Investigating Or Analysing Biological Materials (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54222483A | 1983-10-14 | 1983-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3437519A1 DE3437519A1 (de) | 1985-04-25 |
| DE3437519C2 true DE3437519C2 (enrdf_load_stackoverflow) | 1990-06-07 |
Family
ID=24162857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3437519A Granted DE3437519A1 (de) | 1983-10-14 | 1984-10-12 | Verfahren und vorrichtung zum analysieren von teilchenfoermigem material |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS60143742A (enrdf_load_stackoverflow) |
| DE (1) | DE3437519A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5456653B2 (ja) * | 2010-12-13 | 2014-04-02 | 日本光電工業株式会社 | 血液測定装置 |
| WO2024225338A1 (ja) * | 2023-04-25 | 2024-10-31 | 株式会社アドバンテスト | 微粒子測定装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902115A (en) * | 1973-09-26 | 1975-08-26 | Coulter Electronics | Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor |
| JPS5522734A (en) * | 1978-08-04 | 1980-02-18 | Nippon Musical Instruments Mfg | Electronic musical instrument |
| JPS55143431A (en) * | 1979-04-26 | 1980-11-08 | Toa Medical Electronics Co Ltd | Detector for corpuscle |
| JPS58129348A (ja) * | 1982-01-29 | 1983-08-02 | Olympus Optical Co Ltd | 微小粒子計数装置 |
-
1984
- 1984-10-12 DE DE3437519A patent/DE3437519A1/de active Granted
- 1984-10-15 JP JP59216008A patent/JPS60143742A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60143742A (ja) | 1985-07-30 |
| DE3437519A1 (de) | 1985-04-25 |
| JPH0519097B2 (enrdf_load_stackoverflow) | 1993-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |