FR2289902B1 - - Google Patents

Info

Publication number: FR2289902B1
Authority: FR; France
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

Application number

FR7533556A

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

1974-11-04

Filing date

1975-11-03

Publication date

1978-04-14

1975-11-03 Application filed by Individual filed Critical Individual

1976-05-28 Publication of FR2289902A1 publication Critical patent/FR2289902A1/fr

1978-04-14 Application granted granted Critical

1978-04-14 Publication of FR2289902B1 publication Critical patent/FR2289902B1/fr

Status Granted legal-status Critical Current

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
- G01N15/131—Details

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 Analyzing Materials By The Use Of Electric Means (AREA)
Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Investigating Or Analysing Biological Materials (AREA)

FR7533556A 1974-11-04 1975-11-03 Procede et dispositif pour nettoyer une ouverture dans un dispositif d'etude de particules Granted FR2289902A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/520,711 US3963984A (en)	1974-11-04	1974-11-04	Method and system for cleaning an aperture in a particle study device

Publications (2)

Publication Number	Publication Date
FR2289902A1 FR2289902A1 (fr)	1976-05-28
FR2289902B1 true FR2289902B1 (fr)	1978-04-14

Family

ID=24073771

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7533556A Granted FR2289902A1 (fr)	1974-11-04	1975-11-03	Procede et dispositif pour nettoyer une ouverture dans un dispositif d'etude de particules

Country Status (8)

Country	Link
US (1)	US3963984A (fr)
JP (1)	JPS5169674A (fr)
CA (1)	CA1035011A (fr)
DE (1)	DE2549224A1 (fr)
FR (1)	FR2289902A1 (fr)
GB (1)	GB1521300A (fr)
IT (1)	IT1052202B (fr)
SE (1)	SE7512268L (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2472183B1 (fr) *	1979-12-12	1986-03-07	Coulter Electronics	Procede de nettoyage d'une ouverture pour un dispositif d'etude de particules et appareil pour la mise en oeuvre de ce procede
US4600880A (en) *	1983-03-03	1986-07-15	Limca Research Inc.	Apparatus for the detection and measurement of particulates in molten metal
US4555662A (en) *	1983-03-03	1985-11-26	Limca Research Inc.	Method and apparatus for the detection and measurement of particulates in molten metal
US4564803A (en) *	1983-08-29	1986-01-14	Coulter Corporation	Method and apparatus for removing foreign matter from a flow cell of a particle study device
EP0279000B1 (fr) *	1987-02-17	1993-07-21	Ratcom, Inc.	Cytométrie à écoulement
US5218312A (en) *	1988-07-20	1993-06-08	Ricardo Moro	Measurement apparatus for measuring a biological substance within a fluid substrate
JP2794438B2 (ja) *	1989-02-16	1998-09-03	本多電子株式会社	キャビテーションを利用した洗浄方法
DE69014616T2 (de) *	1989-04-27	1995-04-13	R. Guthrie Research Associates Inc., Westmount, Quebec	Einschlusssensor für metallschmelzen zur kontinuierlichen verwendung.
AU647388B2 (en) *	1989-04-27	1994-03-24	R. Guthrie Research Associates Inc.	Single-use disposable molten metal inclusion sensor
AU8301191A (en) *	1991-06-06	1993-01-08	Diagnostic Concepts International, Inc.	Method and apparatus for electrochemical determination of biological substances
US5218980A (en) *	1991-10-10	1993-06-15	Evans David H	Ultrasonic dishwasher system
GB2337597B (en) *	1996-11-20	2000-08-16	Microbial Systems Ltd	Particle sizing apparatus
GB9624096D0 (en) *	1996-11-20	1997-01-08	Microbial Systems Ltd	Apparatus and method of use thereof
US6418802B1 (en) *	1996-11-21	2002-07-16	Michael Anthony Wood	Particle sizing apparatus and method of use thereof
US6175227B1 (en)	1997-07-03	2001-01-16	Coulter International Corp.	Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
GB9810493D0 (en) *	1998-05-16	1998-07-15	Microbial Systems Ltd	Particle detector system
US8146407B2 (en) *	2008-06-20	2012-04-03	Beckman Coulter, Inc.	Particle counter with electronic detection of aperture blockage
CN101750477A (zh) *	2008-12-05	2010-06-23	深圳迈瑞生物医疗电子股份有限公司	微孔排堵装置、方法和粒子分析装置
CN110857910A (zh) *	2018-08-24	2020-03-03	深圳市帝迈生物技术有限公司	微孔堵孔检测装置及方法、血液细胞分析仪

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3232085A (en) *	1959-08-31	1966-02-01	Inoue Kiyoshi	Machining apparatus utilizing electro discharge pressure
US3259891A (en) *	1964-05-01	1966-07-05	Coulter Electronics	Debris alarm
US3420758A (en) *	1965-07-06	1969-01-07	Foote Mineral Co	Method for removal of adherent surface coatings from substrates
US3512384A (en) *	1965-11-18	1970-05-19	Inoue K	Shaping apparatus using electric-discharge pressure
US3429743A (en) *	1966-11-17	1969-02-25	Branson Instr	Shock wave treatment method and apparatus

1974
- 1974-11-04 US US05/520,711 patent/US3963984A/en not_active Expired - Lifetime
1975
- 1975-10-28 GB GB44423/75A patent/GB1521300A/en not_active Expired
- 1975-11-01 JP JP50132062A patent/JPS5169674A/ja active Pending
- 1975-11-03 CA CA238,916A patent/CA1035011A/fr not_active Expired
- 1975-11-03 DE DE19752549224 patent/DE2549224A1/de not_active Withdrawn
- 1975-11-03 IT IT52049/75A patent/IT1052202B/it active
- 1975-11-03 SE SE7512268A patent/SE7512268L/xx unknown
- 1975-11-03 FR FR7533556A patent/FR2289902A1/fr active Granted

Also Published As

Publication number	Publication date
FR2289902A1 (fr)	1976-05-28
IT1052202B (it)	1981-06-20
JPS5169674A (en)	1976-06-16
CA1035011A (fr)	1978-07-18
US3963984A (en)	1976-06-15
DE2549224A1 (de)	1976-05-13
SE7512268L (sv)	1976-05-05
GB1521300A (en)	1978-08-16

Legal Events

Date	Code	Title	Description
1982-09-17	ST	Notification of lapse

Publication	Publication Date	Title
FR2289902B1 (fr)	1978-04-14
AU495841B2 (fr)	1976-01-08
DK65874A (fr)	1975-09-29
DK186074A (fr)	1975-10-04
CS173346B1 (fr)	1977-02-28
CS172775B1 (fr)	1977-01-28
CS169282B1 (fr)	1976-07-29
DD120826A6 (fr)	1976-07-05
DD110829A1 (fr)	1975-01-12
AU482307A (fr)	1975-11-27
AU482286A (fr)	1975-10-02
AU482272A (fr)	1975-10-02
AU482206A (fr)	1975-07-24
AU482114A (fr)	1975-02-27
AU482022A (fr)	1976-05-20
AU481871A (fr)	1975-08-21
AU481723A (fr)	1975-09-25
CH599188A5 (fr)	1978-05-12
BE833996A (fr)	1976-01-16
AU481296A (fr)	1976-01-15
AU481101A (fr)	1975-09-25
AU480819A (fr)	1975-07-31
DD124731A5 (fr)	1977-03-09
AU480663A (fr)	1976-04-29
AU481597A (fr)	1975-08-07