BE826007A - COINCIDENCE ERROR CORRECTION CIRCUIT IN A PARTICLE COUNTING DEVICE - Google Patents

COINCIDENCE ERROR CORRECTION CIRCUIT IN A PARTICLE COUNTING DEVICE

Info

Publication number: BE826007A
Authority: BE; Belgium
Prior art keywords: error correction; correction circuit; counting device; particle counting; coincidence error
Prior art date: 1974-03-01

Application number

BE153764A

Other languages

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.)

1974-03-01

Filing date

1975-02-26

Publication date

1975-06-16

1975-02-26 Application filed filed Critical

1975-06-16 Publication of BE826007A publication Critical patent/BE826007A/en

Links

239000002245 particle Substances 0.000 title 1

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/02—Input circuits
- 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
- G01N15/132—Circuits

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 Analysing Biological Materials (AREA)
Measurement Of Radiation (AREA)

BE153764A 1974-03-01 1975-02-26 COINCIDENCE ERROR CORRECTION CIRCUIT IN A PARTICLE COUNTING DEVICE BE826007A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US447530A US3864551A (en)	1974-03-01	1974-03-01	Coincidence correction circuit

Publications (1)

Publication Number	Publication Date
BE826007A true BE826007A (en)	1975-06-16

Family

ID=23776728

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE153764A BE826007A (en)	1974-03-01	1975-02-26	COINCIDENCE ERROR CORRECTION CIRCUIT IN A PARTICLE COUNTING DEVICE

Country Status (10)

Country	Link
US (1)	US3864551A (en)
JP (1)	JPS5639417B2 (en)
BE (1)	BE826007A (en)
CA (1)	CA1013434A (en)
DE (1)	DE2505837C3 (en)
ES (1)	ES435131A1 (en)
FR (1)	FR2262835B1 (en)
GB (1)	GB1468332A (en)
NL (1)	NL168333C (en)
ZA (1)	ZA75616B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE377612B (en) *	1973-11-09	1975-07-14	T L B Greverus
US3938038A (en) *	1974-07-01	1976-02-10	Coulter Electronics, Inc.	Method and apparatus for providing primary coincidence correction during particle analysis
US3944791A (en) *	1974-07-10	1976-03-16	General Science Corporation	Platelet count correction circuit
US4042808A (en) *	1975-08-11	1977-08-16	Angel Engineering Corporation	Particle count correction
DE2547885C3 (en) *	1975-10-25	1980-05-08	Dr. Johannes Heidenhain Gmbh, 8225 Traunreut	Electronic counter
JPS5598333A (en) *	1979-01-22	1980-07-26	Toa Medical Electronics Co Ltd	Particle counting device
US4366372A (en) *	1979-06-01	1982-12-28	Innovative Design, Inc.	Apparatus and method for counting repetitive marks on a running web
US4447883A (en) *	1981-05-26	1984-05-08	Technicon Instruments Corporation	Coincidence-error correcting apparatus and method
JPS59125931U (en) *	1983-02-10	1984-08-24	近藤　祐二	shoulder pads on clothes
JPS60314U (en) *	1983-06-15	1985-01-05	岩崎産業株式会社	molded shoulder parts
JPS61113806A (en) *	1984-11-07	1986-05-31	丸善工業株式会社	Production of shoulder pad
JPS62170507A (en) *	1986-01-22	1987-07-27	北岸　茂	Production of shoulder pad
JPS63115027U (en) *	1987-01-14	1988-07-25
DE102006021487B3 (en) *	2006-05-05	2007-09-06	Parsum Gmbh	Particle amount determination method for use in particle stream, involves using evaluation unit that provides pulses for control signals used in regulating flow rate and particle size of particles stream by reducing radiation intensity
FR2917842A1 (en) *	2007-06-19	2008-12-26	Commissariat Energie Atomique	DEVICE AND METHOD FOR COUNTING ELEMENTARY PARTICLES EMITTED BY A FLUID IN A CONDUIT.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3209130A (en) *	1962-04-30	1965-09-28	Westinghouse Electric Corp	Digital measuring device
US3686665A (en) *	1969-12-31	1972-08-22	Leeds & Northrup Co	Digital function generator

1974
- 1974-03-01 US US447530A patent/US3864551A/en not_active Expired - Lifetime
1975
- 1975-01-29 ZA ZA00750616A patent/ZA75616B/en unknown
- 1975-02-12 DE DE2505837A patent/DE2505837C3/en not_active Expired
- 1975-02-13 CA CA220,075A patent/CA1013434A/en not_active Expired
- 1975-02-13 GB GB608675A patent/GB1468332A/en not_active Expired
- 1975-02-13 JP JP1754875A patent/JPS5639417B2/ja not_active Expired
- 1975-02-26 BE BE153764A patent/BE826007A/en not_active IP Right Cessation
- 1975-02-27 ES ES435131A patent/ES435131A1/en not_active Expired
- 1975-02-28 NL NLAANVRAGE7502387,A patent/NL168333C/en active
- 1975-02-28 FR FR7506453A patent/FR2262835B1/fr not_active Expired

Also Published As

Publication number	Publication date
DE2505837B2 (en)	1978-11-16
ZA75616B (en)	1976-01-28
NL7502387A (en)	1975-09-03
FR2262835B1 (en)	1979-06-08
CA1013434A (en)	1977-07-05
DE2505837A1 (en)	1975-09-25
AU7808275A (en)	1976-08-12
FR2262835A1 (en)	1975-09-26
JPS50120880A (en)	1975-09-22
NL168333C (en)	1982-03-16
ES435131A1 (en)	1977-02-01
NL168333B (en)	1981-10-16
GB1468332A (en)	1977-03-23
JPS5639417B2 (en)	1981-09-12
DE2505837C3 (en)	1979-07-26
US3864551A (en)	1975-02-04

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Legal Events

Date

Code

Title

Description

1984-08-31

RE

Patent lapsed

Owner name: J.T. BAKER CHEMICAL CY

Effective date: 19840226