IL53921A0 - Electronic particle sensing aperture module with perforated electrode - Google Patents

Electronic particle sensing aperture module with perforated electrode

Info

Publication number: IL53921A0
Authority: IL; Israel
Prior art keywords: particle sensing; perforated electrode; aperture module; sensing aperture; electronic particle
Prior art date: 1977-02-15

Application number

IL53921A

Other versions

IL53921A (en

Original Assignee

Coulter Electronics

Priority date (The priority date 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 date listed.)

1977-02-15

Filing date

1978-01-30

Publication date

1978-04-30

1977-02-15 Priority claimed from US05/768,864 external-priority patent/US4090128A/en

1978-01-30 Application filed by Coulter Electronics filed Critical Coulter Electronics

1978-04-30 Publication of IL53921A0 publication Critical patent/IL53921A0/en

1979-12-30 Publication of IL53921A publication Critical patent/IL53921A/en

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)

IL53921A 1977-02-15 1978-01-30 Electronic particle sensing aperture module with perforated electrode IL53921A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
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

Publications (2)

Publication Number	Publication Date
IL53921A0 true IL53921A0 (en)	1978-04-30
IL53921A IL53921A (en)	1979-12-30

Family

ID=27118096

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL53921A IL53921A (en)	1977-02-15	1978-01-30	Electronic particle sensing aperture module with perforated electrode

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
AU3286078A (en)	1979-08-09
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
NL7801072A (en)	1978-08-17
SE7801123L (en)	1978-08-16
GB1597904A (en)	1981-09-16

Publication	Publication Date	Title
JPS5421537A (en)	1979-02-17	Electronic device
GB2004354B (en)	1982-03-03	Electronic fuse
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IL53921A0 (en)	1978-04-30	Electronic particle sensing aperture module with perforated electrode
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