[go: up one dir, main page]

ATE110467T1 - Vorrichtung und verfahren zur untersuchung von teilchen. - Google Patents

Vorrichtung und verfahren zur untersuchung von teilchen.

Info

Publication number
ATE110467T1
ATE110467T1 AT88303536T AT88303536T ATE110467T1 AT E110467 T1 ATE110467 T1 AT E110467T1 AT 88303536 T AT88303536 T AT 88303536T AT 88303536 T AT88303536 T AT 88303536T AT E110467 T1 ATE110467 T1 AT E110467T1
Authority
AT
Austria
Prior art keywords
particles
focal spot
laser diode
electrical signal
light
Prior art date
Application number
AT88303536T
Other languages
English (en)
Inventor
Fritz K Preikschat
Ekhard Preikschat
Original Assignee
Preikschat F K
Ekhard Preikschat
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27230427&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE110467(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from EP87304423A external-priority patent/EP0289677A3/de
Priority claimed from US07/119,797 external-priority patent/US4871251A/en
Application filed by Preikschat F K, Ekhard Preikschat filed Critical Preikschat F K
Application granted granted Critical
Publication of ATE110467T1 publication Critical patent/ATE110467T1/de

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
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1404—Handling flow, e.g. hydrodynamic focusing
    • 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
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • 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
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G01N2015/0238—Single particle scatter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N2021/1757—Time modulation of light being essential to the method of light modification, e.g. using single detector
    • G01N2021/1759—Jittering, dithering, optical path modulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4709—Backscatter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4711—Multiangle measurement
    • G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides

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)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Optical Measuring Cells (AREA)
AT88303536T 1987-04-27 1988-04-20 Vorrichtung und verfahren zur untersuchung von teilchen. ATE110467T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4322387A 1987-04-27 1987-04-27
EP87304423A EP0289677A3 (de) 1987-04-27 1987-05-19 Einrichtung und Verfahren zum Untersuchen von Teilchen
US07/119,797 US4871251A (en) 1987-04-27 1987-11-12 Apparatus and method for particle analysis

Publications (1)

Publication Number Publication Date
ATE110467T1 true ATE110467T1 (de) 1994-09-15

Family

ID=27230427

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88303536T ATE110467T1 (de) 1987-04-27 1988-04-20 Vorrichtung und verfahren zur untersuchung von teilchen.

Country Status (3)

Country Link
EP (1) EP0289200B2 (de)
AT (1) ATE110467T1 (de)
DE (1) DE3851176T3 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2662803B1 (fr) * 1990-05-31 1992-09-04 Aerospatiale Dispositif et installation de cristallogenese pourvus de moyens d'observation.
US5426501A (en) * 1993-01-06 1995-06-20 Laser Sensor Technology, Inc. Apparatus and method for particle analysis
US5654797A (en) * 1996-02-22 1997-08-05 National Research Council Of Canada Method and apparatus for monitoring the diameter of thermally sprayed particles
DE19623095A1 (de) * 1996-06-10 1997-12-11 S & E Gmbh Service Und Entwick Vorrichtung zur Messung von Partikelabmessungen in Fluiden
DE69830598T2 (de) 1997-01-31 2006-05-18 The Horticulture And Food Research Institute Of New Zealand Limited Optische vorrichtung und methode
DE19723999B4 (de) * 1997-06-06 2008-04-10 Schwartz, Margit Vorrichtung zur Messung von Partikelabmessungen in Fluiden
US6071689A (en) 1997-12-31 2000-06-06 Xy, Inc. System for improving yield of sexed embryos in mammals
US6149867A (en) 1997-12-31 2000-11-21 Xy, Inc. Sheath fluids and collection systems for sex-specific cytometer sorting of sperm
US7208265B1 (en) 1999-11-24 2007-04-24 Xy, Inc. Method of cryopreserving selected sperm cells
US7713687B2 (en) 2000-11-29 2010-05-11 Xy, Inc. System to separate frozen-thawed spermatozoa into x-chromosome bearing and y-chromosome bearing populations
AU2002237689B2 (en) 2000-11-29 2008-01-10 Xy, Llc. System to separate frozen-thawed spermatozoa into X-chromosome bearing and Y-chromosome bearing populations
US8486618B2 (en) 2002-08-01 2013-07-16 Xy, Llc Heterogeneous inseminate system
EP2283724B8 (de) 2002-08-01 2016-03-16 Xy, Llc Heterospermische Insemination als Zugang zur Spermienfunktion
US7855078B2 (en) 2002-08-15 2010-12-21 Xy, Llc High resolution flow cytometer
US7169548B2 (en) 2002-09-13 2007-01-30 Xy, Inc. Sperm cell processing and preservation systems
US6787633B2 (en) 2002-09-13 2004-09-07 General Electric Company Method and apparatus for preparing a poly(arylene ether)
NZ577678A (en) 2003-03-28 2010-10-29 Inguran Llc Apparatus and methods for providing sex-sorted animal sperm
NZ544103A (en) 2003-05-15 2010-10-29 Xy Llc Efficient haploid cell sorting for flow cytometer systems
PT2151243E (pt) 2004-03-29 2013-01-25 Inguran Llc Suspensões de esperma para separação em populações enriquecidas carregando o cromossoma x ou y
EP2269617B1 (de) 2004-07-22 2016-04-27 Inguran, LLC Spermasuspensionen zur Sortierung in X- oder Y-Chromosomen-tragende angereicherte Populationen
DE102005021179A1 (de) * 2005-05-06 2006-11-09 Lt-Research Gmbh Adaptive Signalinterpretation für FBRM-Messgeräte
CN103562708A (zh) 2011-04-08 2014-02-05 Abb研究有限公司 分析仪器及其操作方法
DE102013203109A1 (de) * 2013-02-26 2014-08-28 Siemens Aktiengesellschaft Staubleitung mit optischem Sensor und Verfahren zur Messung der Zusammensetzung von Staub
US10126220B2 (en) 2013-07-22 2018-11-13 National Oilwell Varco, L.P. Systems and methods for determining specific gravity and minerological properties of a particle
US11169086B2 (en) 2015-04-10 2021-11-09 Blaze Metrics, LLC System and method for simultaneously performing multiple optical analyses of liquids and particles in a fluid
DE102015116474A1 (de) 2015-09-29 2017-03-30 Hochschule Reutlingen Verfahren zum Ermitteln von Deskriptoren, welche mit Eigenschaften eines Partikelkollektivs korrelieren
WO2017060105A1 (en) * 2015-10-08 2017-04-13 Koninklijke Philips N.V. Particle sensor for particle detection
DE102017207402A1 (de) 2017-05-03 2018-11-08 Robert Bosch Gmbh Optischer Rußpartikelsensor für Kraftfahrzeuge
US10267723B1 (en) * 2018-01-23 2019-04-23 Cbrn International, Ltd. Bioaerosol particle detector
CN109974583B (zh) * 2019-04-11 2024-03-26 南京信息工程大学 一种非接触光学元件表面面形测量装置及方法
DE102020202332A1 (de) * 2020-02-24 2021-08-26 Robert Bosch Gesellschaft mit beschränkter Haftung Partikelsensorvorrichtung mit einem auswechselbaren transparenten Abdeckelement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759821A (fr) * 1969-12-04 1971-05-17 Procedyne Corp Appareil et procede d'analyse de particules materielles
US3781674A (en) * 1971-07-22 1973-12-25 Coulter Electronics Noise discriminating circuitry and method for electronic particle study apparatus
US3858851A (en) * 1973-07-05 1975-01-07 Prototron Ass Apparatus for providing a statistical count of particulate material in a fluid
US4140395A (en) * 1976-12-07 1979-02-20 Environmental Systems Corporation Electro-optical method and system for in situ measurements of particle size and distribution

Also Published As

Publication number Publication date
DE3851176T2 (de) 1995-01-19
EP0289200B1 (de) 1994-08-24
DE3851176T3 (de) 1999-02-11
EP0289200A2 (de) 1988-11-02
EP0289200B2 (de) 1998-07-22
EP0289200A3 (en) 1990-04-04
DE3851176D1 (de) 1994-09-29

Similar Documents

Publication Publication Date Title
ATE110467T1 (de) Vorrichtung und verfahren zur untersuchung von teilchen.
EP0289677A3 (de) Einrichtung und Verfahren zum Untersuchen von Teilchen
US4172227A (en) Flow microfluorometer
JPS6415637A (en) Apparatus and method for analyzing particle
EP0008874B1 (de) Verfahren und Einrichtung zum Unterscheiden der roten Blutzellen von den Blutplättchen
JP2641927B2 (ja) 微粒子測定装置
DE69331188D1 (de) Vorrichtung und verfahren zur molekularen charakterisierung
ATE71322T1 (de) Verfahren und vorrichtung zur materialbearbeitung mit hilfe eines lasers.
GB1498717A (en) Microparticle analysis
EP0130992B1 (de) Photoelektrischer rauchdetektor
ES517587A0 (es) Perfeccionamientos en detectores de humos.
EP0291708A3 (en) Apparatus for measuring the velocity of light scattering moving particles
US3536898A (en) Detection device
US4464568A (en) Apparatus for detection and analysis of uranium ores
JPH02128142A (ja) 光学的微粒子測定装置
JPS57184985A (en) Photo-detecting circuit for laser distance measuring device
CA2139178C (en) Particle classification method and apparatus
SU901910A1 (ru) Способ измерени скоростей частиц в полидисперсном потоке
SU1642327A1 (ru) Фотоэлектрический регистратор взвешенных частиц
JPS55136941A (en) Discrimination apparatus for fluid property
DE3018021C2 (de)
DD253638A1 (de) Verfahren und anordnung zur messung von blendenschliess-und blendenprellzeiten
DE19829387A1 (de) Optisches Verfahren zum Detektieren von Rissen in Hohlglaskörpern und zugehörige Anordnung

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties