GB1216752A - Particle counting device - Google Patents
Particle counting deviceInfo
- Publication number
- GB1216752A GB1216752A GB596/68A GB59668A GB1216752A GB 1216752 A GB1216752 A GB 1216752A GB 596/68 A GB596/68 A GB 596/68A GB 59668 A GB59668 A GB 59668A GB 1216752 A GB1216752 A GB 1216752A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid
- counting
- chamber
- pressure
- electrode
- 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
Links
- 239000002245 particle Substances 0.000 title abstract 4
- 239000007788 liquid Substances 0.000 abstract 11
- 210000000601 blood cell Anatomy 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 abstract 1
- 239000006194 liquid suspension Substances 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUME000828 | 1967-01-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1216752A true GB1216752A (en) | 1970-12-23 |
Family
ID=10999188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB596/68A Expired GB1216752A (en) | 1967-01-06 | 1968-01-04 | Particle counting device |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH476300A (de) |
DE (1) | DE1698239A1 (de) |
DK (1) | DK116081B (de) |
FR (1) | FR1550709A (de) |
GB (1) | GB1216752A (de) |
NL (1) | NL162204C (de) |
SE (1) | SE340707B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0169897A1 (de) * | 1984-02-01 | 1986-02-05 | Coulter Electronics | Teilchenanalysevorrichtung. |
FR2667156A1 (fr) * | 1990-09-23 | 1992-03-27 | Horiba Ltd | Appareil pour mesurer un liquide. |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859012A (en) * | 1972-08-10 | 1975-01-07 | Coulter Electronics | Fluid ejecting mechanism |
-
1967
- 1967-12-13 CH CH1757567A patent/CH476300A/de not_active IP Right Cessation
- 1967-12-29 DK DK670667AA patent/DK116081B/da unknown
- 1967-12-29 NL NL6717845.A patent/NL162204C/xx not_active IP Right Cessation
- 1967-12-29 SE SE18120/67A patent/SE340707B/xx unknown
-
1968
- 1968-01-04 GB GB596/68A patent/GB1216752A/en not_active Expired
- 1968-01-05 FR FR135092A patent/FR1550709A/fr not_active Expired
- 1968-06-05 DE DE19681698239 patent/DE1698239A1/de active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0169897A1 (de) * | 1984-02-01 | 1986-02-05 | Coulter Electronics | Teilchenanalysevorrichtung. |
EP0169897A4 (de) * | 1984-02-01 | 1987-10-08 | Coulter Electronics | Teilchenanalysevorrichtung. |
FR2667156A1 (fr) * | 1990-09-23 | 1992-03-27 | Horiba Ltd | Appareil pour mesurer un liquide. |
Also Published As
Publication number | Publication date |
---|---|
NL162204B (nl) | 1979-11-15 |
DE1698239A1 (de) | 1972-12-14 |
CH476300A (de) | 1969-07-31 |
DK116081B (da) | 1969-12-08 |
NL6717845A (de) | 1968-07-08 |
SE340707B (de) | 1971-11-29 |
NL162204C (nl) | 1980-04-15 |
DE1698239C3 (de) | 1975-01-30 |
DE1698239B2 (de) | 1974-06-12 |
FR1550709A (de) | 1968-12-20 |
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