ZA721897B - Electronic particle analyzing apparatus with improved aperture tube - Google Patents

Electronic particle analyzing apparatus with improved aperture tube

Info

Publication number: ZA721897B
Authority: ZA; South Africa
Prior art keywords: analyzing apparatus; aperture tube; particle analyzing; improved aperture; electronic particle
Prior art date: 1971-03-26

Application number

ZA721897A

Inventor

W Coulter

W Hogg

Original Assignee

W Coulter

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.)

1971-03-26

Filing date

1972-03-20

Publication date

1973-11-28

1972-03-20 Application filed by W Coulter filed Critical W Coulter

1973-11-28 Publication of ZA721897B publication Critical patent/ZA721897B/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

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)

ZA721897A 1971-03-26 1972-03-20 Electronic particle analyzing apparatus with improved aperture tube ZA721897B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US12833271A	1971-03-26	1971-03-26

Publications (1)

Publication Number	Publication Date
ZA721897B true ZA721897B (en)	1973-11-28

Family

ID=22434822

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA721897A ZA721897B (en)	1971-03-26	1972-03-20	Electronic particle analyzing apparatus with improved aperture tube

Country Status (12)

Country	Link
US (1)	US3714565A (en)
JP (1)	JPS5331389B1 (en)
AU (1)	AU454030B2 (en)
CA (1)	CA943190A (en)
CH (1)	CH584897A5 (en)
FR (1)	FR2130473B1 (en)
GB (1)	GB1323271A (en)
IL (1)	IL39027A (en)
IT (1)	IT952314B (en)
NL (1)	NL7203716A (en)
SE (1)	SE380349B (en)
ZA (1)	ZA721897B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3939409A (en) *	1974-08-01	1976-02-17	Coulter Electronics, Inc.	Particle study device and sample metering means used therein
US4157498A (en) *	1977-08-01	1979-06-05	Miles Laboratories, Inc.	Flow-through type particle analyzing apparatus
GB8414856D0 (en) *	1984-06-11	1984-07-18	Alcan Int Ltd	Detection and measurement of suspended particles in molten metal
DE3923544C1 (en) *	1989-07-15	1990-10-18	Hartmann & Braun Ag, 6000 Frankfurt, De
DK111990D0 (en) *	1990-05-04	1990-05-04	Biometic Aps	APPARATUS AND PROCEDURE FOR ANALYSIS OF A LIQUID SUSPENSION
US5432992A (en) *	1993-12-23	1995-07-18	Abbott Laboratories	Method of making count probe with removable count wafer
US5402062A (en) *	1993-12-23	1995-03-28	Abbott Laboratories	Mechanical capture of count wafer for particle analysis
AU1258595A (en) *	1993-12-23	1995-07-10	Abbott Laboratories	Method of making a stress relieved count probe
GB9526652D0 (en) *	1995-12-29	1996-02-28	Shine Thomas A	Electrode assembly
US6111398A (en) *	1997-07-03	2000-08-29	Coulter International Corp.	Method and apparatus for sensing and characterizing particles
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
EP1178315A1 (en) *	2000-07-31	2002-02-06	Albrecht Dr.med. Priv.Doz. Lepple-Wienhues	Method and apparatus for examining cells using the patch clamp method
WO2015056176A1 (en) *	2013-10-15	2015-04-23	Ecole Polytechnique Federale De Lausanne (Epfl)	Sensing tip with electrical impedance sensor
EP3283221B1 (en)	2015-04-15	2022-09-07	Ecole Polytechnique Fédérale de Lausanne (EPFL)	Devices, systems and methods for dispensing and analysing particles
US10910749B2 (en)	2017-04-11	2021-02-02	Ecole Polytechnique Federale De Lausanne (Epfl)	Tip connector for fluidic and electrical connection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3287638A (en) *	1962-10-02	1966-11-22	Univ Iowa State Res Found Inc	Method of counting erythrocytes utilizing high frequency current
NL137000C (en) *	1964-03-26
US3395343A (en) *	1964-07-21	1968-07-30	Coulter Electronics	Electronic particle study apparatus and vessel construction therefor
US3551802A (en) *	1968-02-08	1970-12-29	Leeds & Northrup Co	Electrolytic conductivity cell employing a tube and a barrier member
US3539919A (en) *	1968-04-25	1970-11-10	Coulter Electronics	Method for making glass aperture tube and product produced thereby

1971
- 1971-03-26 US US00128332A patent/US3714565A/en not_active Expired - Lifetime
1972
- 1972-03-20 ZA ZA721897A patent/ZA721897B/en unknown
- 1972-03-20 NL NL7203716A patent/NL7203716A/xx unknown
- 1972-03-20 IT IT49112/72A patent/IT952314B/en active
- 1972-03-20 CH CH412772A patent/CH584897A5/xx not_active IP Right Cessation
- 1972-03-20 AU AU40183/72A patent/AU454030B2/en not_active Expired
- 1972-03-20 CA CA137,548A patent/CA943190A/en not_active Expired
- 1972-03-20 JP JP2800772A patent/JPS5331389B1/ja active Pending
- 1972-03-20 FR FR727209701A patent/FR2130473B1/fr not_active Expired
- 1972-03-20 SE SE7203539A patent/SE380349B/en unknown
- 1972-03-20 IL IL39027A patent/IL39027A/en unknown
- 1972-03-20 GB GB1297372A patent/GB1323271A/en not_active Expired

Also Published As

Publication number	Publication date
NL7203716A (en)	1972-09-28
AU454030B2 (en)	1974-09-25
FR2130473B1 (en)	1973-06-29
SE380349B (en)	1975-11-03
GB1323271A (en)	1973-07-11
US3714565A (en)	1973-01-30
IL39027A (en)	1974-06-30
CH584897A5 (en)	1977-02-15
AU4018372A (en)	1973-09-27
DE2213524A1 (en)	1972-10-05
IL39027A0 (en)	1972-05-30
JPS5331389B1 (en)	1978-09-02
CA943190A (en)	1974-03-05
FR2130473A1 (en)	1972-11-03
DE2213524B2 (en)	1976-07-15
IT952314B (en)	1973-07-20

Publication	Publication Date	Title
JPS5756719A (en)	1982-04-05	Measuring apparatus
ZA721897B (en)	1973-11-28	Electronic particle analyzing apparatus with improved aperture tube
ZA727235B (en)	1974-05-29	Automatic chemical analysis apparatus
ZA72594B (en)	1973-03-28	Improved radiation detecting apparatus
GB1334502A (en)	1973-10-17	Sorting apparatus
MY7500175A (en)	1975-12-31	Counting apparatus
GB1371412A (en)	1974-10-23	Ion accelerator tube apparatus
CA952194A (en)	1974-07-30	Particle analyzing apparatus
IL40528A (en)	1975-08-31	Automatic chemical analysis apparatus
ZA718058B (en)	1973-07-25	Processing apparatus
ZA723003B (en)	1973-02-28	Shoveller-tube pick-up apparatus
PH11087A (en)	1977-10-25	Digital chemical analysis apparatus
ZA729137B (en)	1973-11-28	An x-ray spectrometric analyses process and apparatus
IL39631A0 (en)	1972-08-30	Riveting apparatus
ZA723600B (en)	1973-02-28	Riveting apparatus
IL39633A0 (en)	1972-08-30	Riveting apparatus
CA864075A (en)	1971-02-16	Particle studying apparatus
AU460302B2 (en)	1975-04-24	Aperture tube assembly fora particle study apparatus
ZA72326B (en)	1972-10-25	Sample pulverizing apparatus
CA829469A (en)	1969-12-09	Aperture tube for electronic particle study apparatus
HK68676A (en)	1976-11-12	Radiation redistributive device
CA863458A (en)	1971-02-09	Particle counting apparatus
CA929227A (en)	1973-06-26	Particle counting apparatus
CA34780S (en)	1971-12-01	X-ray tube housing
CS186707B2 (en)	1978-12-29	Particle separating apparatus