WO1998011422A1 - Detection of hazardous airborne fibres - Google Patents
Detection of hazardous airborne fibres Download PDFInfo
- Publication number
- WO1998011422A1 WO1998011422A1 PCT/GB1997/002359 GB9702359W WO9811422A1 WO 1998011422 A1 WO1998011422 A1 WO 1998011422A1 GB 9702359 W GB9702359 W GB 9702359W WO 9811422 A1 WO9811422 A1 WO 9811422A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- detector
- fibre
- particles
- annular rings
- particle
- Prior art date
Links
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- ULEFFCDROVNTRO-UHFFFAOYSA-N trimagnesium;disodium;dihydroxy(oxo)silane;iron(3+) Chemical group [Na+].[Na+].[Mg+2].[Mg+2].[Mg+2].[Fe+3].[Fe+3].O[Si](O)=O.O[Si](O)=O.O[Si](O)=O.O[Si](O)=O.O[Si](O)=O.O[Si](O)=O.O[Si](O)=O.O[Si](O)=O ULEFFCDROVNTRO-UHFFFAOYSA-N 0.000 description 19
- CWBIFDGMOSWLRQ-UHFFFAOYSA-N trimagnesium;hydroxy(trioxido)silane;hydrate Chemical compound O.[Mg+2].[Mg+2].[Mg+2].O[Si]([O-])([O-])[O-].O[Si]([O-])([O-])[O-] CWBIFDGMOSWLRQ-UHFFFAOYSA-N 0.000 description 15
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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—Electro-optical investigation, e.g. flow cytometers
- G01N15/1456—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
- G01N15/1459—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02016—Circuit arrangements of general character for the devices
- H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02024—Position sensitive and lateral effect photodetectors; Quadrant photodiodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0352—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
- H01L31/035272—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions characterised by at least one potential jump barrier or surface barrier
- H01L31/03529—Shape of the potential jump barrier or surface barrier
-
- 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
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
- G01N2015/0049—Investigating dispersion of solids in gas, e.g. smoke of filaments in gas
-
- 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—Electro-optical investigation, e.g. flow cytometers
- G01N2015/1488—Methods for deciding
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU41247/97A AU4124797A (en) | 1996-09-14 | 1997-09-03 | Detection of hazardous airborne fibres |
US09/254,824 US6606157B1 (en) | 1996-09-14 | 1997-09-03 | Detection of hazardous airborne fibres |
DE69722942T DE69722942T2 (en) | 1996-09-14 | 1997-09-03 | DETECTING DANGEROUS FLOATING FIBERS |
EP97939015A EP0925493B1 (en) | 1996-09-14 | 1997-09-03 | Detection of hazardous airborne fibres |
JP10513340A JP2001502417A (en) | 1996-09-14 | 1997-09-03 | Detection of harmful fibers carried in air |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9619242.2A GB9619242D0 (en) | 1996-09-14 | 1996-09-14 | Detection of hazardous airborne fibres |
GBGB9717469.2A GB9717469D0 (en) | 1996-09-14 | 1997-08-18 | Detection of hazardous airborne fibres |
GB9717469.2 | 1997-08-18 | ||
GB9619242.2 | 1997-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998011422A1 true WO1998011422A1 (en) | 1998-03-19 |
Family
ID=26310049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1997/002359 WO1998011422A1 (en) | 1996-09-14 | 1997-09-03 | Detection of hazardous airborne fibres |
Country Status (7)
Country | Link |
---|---|
US (1) | US6606157B1 (en) |
EP (1) | EP0925493B1 (en) |
JP (1) | JP2001502417A (en) |
AU (1) | AU4124797A (en) |
DE (1) | DE69722942T2 (en) |
GB (2) | GB9717469D0 (en) |
WO (1) | WO1998011422A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003100471A2 (en) * | 2002-05-22 | 2003-12-04 | Lockheed Martin Corporation | Distributed contaminant optical monitoring system |
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DE19839512A1 (en) * | 1998-08-29 | 2000-11-30 | Christoph Berthold | Process to obtain statements about the geometry (grain shape) of the particles to be measured with the help of laser diffraction devices, which are commonly used for grain size measurement |
US6519033B1 (en) | 2001-11-19 | 2003-02-11 | Point Source Technologies, Llc | Identification of particles in fluid |
EP1281951A1 (en) * | 2001-08-03 | 2003-02-05 | PointSource Technologies, LLC | Method and device for identification of particles in fluid |
US6628386B2 (en) | 2001-12-12 | 2003-09-30 | Pointsource Technologies, Llc | Particle detection beam |
US7057724B1 (en) | 2002-03-21 | 2006-06-06 | Institute Of Critical Care Medicine | Particulate info to field units |
US6972424B1 (en) | 2002-04-16 | 2005-12-06 | Pointsource Technologies, Llc | High detection rate particle identifier |
US7224825B2 (en) * | 2002-04-18 | 2007-05-29 | Lockheed Martin Corporation | Detecting and identifying hazardous substances contained in mail articles |
EP1546783A1 (en) * | 2002-09-27 | 2005-06-29 | Koninklijke Philips Electronics N.V. | Optical element, method for manufacturing such an element and a method for aligning a light beam and such an element |
US6819421B1 (en) | 2003-04-11 | 2004-11-16 | Point Source Technologies, Llc | Detection of new species of particles |
US20050287536A1 (en) * | 2004-06-24 | 2005-12-29 | Douglas Kozlay | Disposable, multi-use, DNA sample collection disk apparatus for field biohazard testing, DNA testing, and personal authentication |
JP2008523354A (en) | 2004-11-17 | 2008-07-03 | ルミネックス・コーポレーション | Apparatus and method for managing data from a flow analyzer |
US20070146841A1 (en) * | 2005-10-17 | 2007-06-28 | Board of Regents of the Nevada System of Higher Education on behalf of the Desert Research | Instrument for measuring particle parameters |
US20070120047A1 (en) * | 2005-11-25 | 2007-05-31 | Wong Weng F | Ring-configured photodiode array and optical encoders using the same |
TWI455326B (en) * | 2007-09-13 | 2014-10-01 | Omnivision Tech Inc | Transmissive detectors, systems incorporating same, and associated methods |
US8094299B2 (en) * | 2008-07-24 | 2012-01-10 | Beckman Coulter, Inc. | Transducer module |
US7830510B2 (en) * | 2008-10-06 | 2010-11-09 | Msp Corporation | Apparatus for high-accuracy fiber counting in air |
GB2484930B (en) * | 2010-10-26 | 2017-04-26 | Uh Ventures Ltd | An improved low cost apparatus and method for the detection of a fluid-borne particle |
US9201005B2 (en) | 2011-12-29 | 2015-12-01 | Abbott Laboratories | Flow cytometry systems and methods for blocking diffraction patterns |
GB2510854B (en) * | 2013-02-15 | 2015-08-05 | Univ Hertfordshire Higher Education Corp | Improved apparatus and method for detection of asbestos fibres |
KR101458853B1 (en) | 2013-12-27 | 2014-11-07 | 가톨릭대학교 산학협력단 | Real Time Asbestos Fiber Counting Apparatus Using Light Scattering and Image Patten Recognition |
CN107076670A (en) | 2014-09-19 | 2017-08-18 | 哈希公司 | Scattering formula nephelometer with axially illumination and circular photodetector |
GB201506335D0 (en) | 2015-04-14 | 2015-05-27 | Alphasense Ltd | Optical particle counter |
KR102462995B1 (en) * | 2016-01-06 | 2022-11-03 | 엘지이노텍 주식회사 | Light receiving module and Dust sensor including thereof |
US20180217044A1 (en) * | 2017-02-02 | 2018-08-02 | Honeywell International Inc. | Forward scatter in particulate matter sensor |
CN107357997A (en) * | 2017-07-18 | 2017-11-17 | 合肥工业大学 | A kind of analogy method and system of hydraulic pressure process for machining |
EP3487175A1 (en) * | 2017-11-21 | 2019-05-22 | Reliance Core Consulting LLC | Methods and systems for detecting motion corresponding to a field of interest |
US10782219B2 (en) | 2017-12-22 | 2020-09-22 | Industrial Technology Research Institute | Particle counting method and device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3689772A (en) * | 1971-08-18 | 1972-09-05 | Litton Systems Inc | Photodetector light pattern detector |
US3777150A (en) * | 1972-07-17 | 1973-12-04 | Bell Telephone Labor Inc | Mode detection and delay equalization in multimode optical fiber transmission systems |
US4070113A (en) * | 1976-05-05 | 1978-01-24 | California Institute Of Technology | Coherent optics blood cell classification system |
EP0281077A2 (en) * | 1987-03-04 | 1988-09-07 | Nagasu, Hideo | Photoelectric conversion sensor for measuring particle size distribution |
EP0485817A1 (en) * | 1990-11-03 | 1992-05-20 | Horiba, Ltd. | Apparatus for measuring a particle size distribution |
WO1993005359A1 (en) * | 1991-09-06 | 1993-03-18 | Commonwealth Scientific And Industrial Research Organisation | Measurement method and apparatus |
WO1995006238A1 (en) * | 1993-08-20 | 1995-03-02 | Technische Universiteit Delft | Method and apparatus for determining the shape characteristics of particles |
US5471299A (en) * | 1992-02-21 | 1995-11-28 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Apparatus and method for the analysis of particle characteristics using monotonically scattered light |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1524385B2 (en) * | 1965-12-15 | 1975-03-20 | Hitachi Ltd., Tokio | Character scanner |
US4027162A (en) * | 1976-04-26 | 1977-05-31 | Particle Measuring Systems, Inc. | Method and apparatus for orienting and measuring fibrous particles |
DE3501283A1 (en) * | 1984-01-17 | 1985-07-25 | Canon K.K., Tokio/Tokyo | PHOTOELECTRIC DETECTOR AND ALIGNMENT APPARATUSED WITH IT |
JP2715604B2 (en) * | 1989-12-18 | 1998-02-18 | 株式会社島津製作所 | Laser diffraction / scattering particle size distribution analyzer |
-
1997
- 1997-08-18 GB GBGB9717469.2A patent/GB9717469D0/en active Pending
- 1997-09-03 WO PCT/GB1997/002359 patent/WO1998011422A1/en active IP Right Grant
- 1997-09-03 EP EP97939015A patent/EP0925493B1/en not_active Expired - Lifetime
- 1997-09-03 AU AU41247/97A patent/AU4124797A/en not_active Abandoned
- 1997-09-03 US US09/254,824 patent/US6606157B1/en not_active Expired - Fee Related
- 1997-09-03 JP JP10513340A patent/JP2001502417A/en active Pending
- 1997-09-03 DE DE69722942T patent/DE69722942T2/en not_active Expired - Fee Related
- 1997-09-04 GB GB9718675A patent/GB2317228B/en not_active Revoked
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3689772A (en) * | 1971-08-18 | 1972-09-05 | Litton Systems Inc | Photodetector light pattern detector |
US3777150A (en) * | 1972-07-17 | 1973-12-04 | Bell Telephone Labor Inc | Mode detection and delay equalization in multimode optical fiber transmission systems |
US4070113A (en) * | 1976-05-05 | 1978-01-24 | California Institute Of Technology | Coherent optics blood cell classification system |
EP0281077A2 (en) * | 1987-03-04 | 1988-09-07 | Nagasu, Hideo | Photoelectric conversion sensor for measuring particle size distribution |
EP0485817A1 (en) * | 1990-11-03 | 1992-05-20 | Horiba, Ltd. | Apparatus for measuring a particle size distribution |
WO1993005359A1 (en) * | 1991-09-06 | 1993-03-18 | Commonwealth Scientific And Industrial Research Organisation | Measurement method and apparatus |
US5471299A (en) * | 1992-02-21 | 1995-11-28 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Apparatus and method for the analysis of particle characteristics using monotonically scattered light |
WO1995006238A1 (en) * | 1993-08-20 | 1995-03-02 | Technische Universiteit Delft | Method and apparatus for determining the shape characteristics of particles |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003100471A2 (en) * | 2002-05-22 | 2003-12-04 | Lockheed Martin Corporation | Distributed contaminant optical monitoring system |
WO2003100471A3 (en) * | 2002-05-22 | 2004-04-08 | Lockheed Corp | Distributed contaminant optical monitoring system |
US6879398B2 (en) | 2002-05-22 | 2005-04-12 | Lockheed Martin Corporation | Distributed contaminant optical monitoring system |
Also Published As
Publication number | Publication date |
---|---|
GB9717469D0 (en) | 1997-10-22 |
EP0925493A1 (en) | 1999-06-30 |
AU4124797A (en) | 1998-04-02 |
GB9718675D0 (en) | 1997-11-05 |
GB2317228B (en) | 1999-04-28 |
DE69722942D1 (en) | 2003-07-24 |
DE69722942T2 (en) | 2004-05-13 |
EP0925493B1 (en) | 2003-06-18 |
GB2317228A (en) | 1998-03-18 |
US6606157B1 (en) | 2003-08-12 |
JP2001502417A (en) | 2001-02-20 |
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