AU3286078A - electronic particle sensing aperture - Google Patents
electronic particle sensing apertureInfo
- Publication number
- AU3286078A AU3286078A AU32860/78A AU3286078A AU3286078A AU 3286078 A AU3286078 A AU 3286078A AU 32860/78 A AU32860/78 A AU 32860/78A AU 3286078 A AU3286078 A AU 3286078A AU 3286078 A AU3286078 A AU 3286078A
- Authority
- AU
- Australia
- Prior art keywords
- particle sensing
- sensing aperture
- electronic particle
- electronic
- aperture
- 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.)
- Granted
Links
- 239000002245 particle Substances 0.000 title 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
- G01N15/13—Details pertaining to apertures
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
USUS768,864 | 1977-02-15 | ||
US05/768,864 US4090128A (en) | 1977-02-15 | 1977-02-15 | Aperture module for use in particle testing apparatus |
US86837478A | 1978-01-10 | 1978-01-10 | |
USUS868,374 | 1978-01-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3286078A true AU3286078A (en) | 1979-08-09 |
AU508072B2 AU508072B2 (en) | 1980-03-06 |
Family
ID=27118096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU32860/78A Expired AU508072B2 (en) | 1977-02-15 | 1978-01-31 | Electronic particle sensing aperture |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS53121695A (en) |
AU (1) | AU508072B2 (en) |
CH (1) | CH623931A5 (en) |
DE (1) | DE2806383A1 (en) |
ES (1) | ES466979A1 (en) |
FR (1) | FR2380549A1 (en) |
GB (1) | GB1597904A (en) |
IL (1) | IL53921A (en) |
IT (1) | IT1101790B (en) |
NL (1) | NL7801072A (en) |
SE (1) | SE7801123L (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9624096D0 (en) | 1996-11-20 | 1997-01-08 | Microbial Systems Ltd | Apparatus and method of use thereof |
GB2337597B (en) * | 1996-11-20 | 2000-08-16 | Microbial Systems Ltd | Particle sizing apparatus |
US6418802B1 (en) * | 1996-11-21 | 2002-07-16 | Michael Anthony Wood | Particle sizing apparatus and method of use thereof |
SE0101597D0 (en) | 2001-05-09 | 2001-05-09 | Astrazeneca Ab | Apparatus and method of testing pressurized containers by non-invasive means |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3520316A (en) * | 1963-12-12 | 1970-07-14 | Bowles Eng Corp | Pressure-to-pressure transducer |
US3746976A (en) * | 1971-04-07 | 1973-07-17 | Coulter Electronics | Self-cleaning aperture tube for coulter study apparatus |
US3902115A (en) * | 1973-09-26 | 1975-08-26 | Coulter Electronics | Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor |
US4014611A (en) * | 1975-04-30 | 1977-03-29 | Coulter Electronics, Inc. | Aperture module for use in particle testing apparatus |
-
1978
- 1978-01-30 IL IL53921A patent/IL53921A/en unknown
- 1978-01-30 SE SE7801123A patent/SE7801123L/en unknown
- 1978-01-31 NL NL7801072A patent/NL7801072A/en not_active Application Discontinuation
- 1978-01-31 AU AU32860/78A patent/AU508072B2/en not_active Expired
- 1978-02-08 GB GB5056/78A patent/GB1597904A/en not_active Expired
- 1978-02-10 IT IT48010/78A patent/IT1101790B/en active
- 1978-02-14 FR FR7804136A patent/FR2380549A1/en active Granted
- 1978-02-14 JP JP1506778A patent/JPS53121695A/en active Pending
- 1978-02-14 ES ES466979A patent/ES466979A1/en not_active Expired
- 1978-02-14 CH CH158178A patent/CH623931A5/en not_active IP Right Cessation
- 1978-02-15 DE DE19782806383 patent/DE2806383A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IL53921A (en) | 1979-12-30 |
FR2380549A1 (en) | 1978-09-08 |
JPS53121695A (en) | 1978-10-24 |
ES466979A1 (en) | 1979-08-16 |
AU508072B2 (en) | 1980-03-06 |
IT1101790B (en) | 1985-10-07 |
IT7848010A0 (en) | 1978-02-10 |
DE2806383A1 (en) | 1978-08-17 |
CH623931A5 (en) | 1981-06-30 |
FR2380549B1 (en) | 1983-07-08 |
IL53921A0 (en) | 1978-04-30 |
NL7801072A (en) | 1978-08-17 |
SE7801123L (en) | 1978-08-16 |
GB1597904A (en) | 1981-09-16 |
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