GB8904718D0 - Detection apparatus and methods - Google Patents

Detection apparatus and methods

Info

Publication number
GB8904718D0
GB8904718D0 GB898904718A GB8904718A GB8904718D0 GB 8904718 D0 GB8904718 D0 GB 8904718D0 GB 898904718 A GB898904718 A GB 898904718A GB 8904718 A GB8904718 A GB 8904718A GB 8904718 D0 GB8904718 D0 GB 8904718D0
Authority
GB
United Kingdom
Prior art keywords
methods
detection apparatus
detection
Prior art date
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.)
Withdrawn
Application number
GB898904718A
Other versions
GB2231951A (en
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.)
IEI UK Ltd
Original Assignee
IEI UK Ltd
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
Application filed by IEI UK Ltd filed Critical IEI UK Ltd
Priority to GB8904718A priority Critical patent/GB2231951A/en
Publication of GB8904718D0 publication Critical patent/GB8904718D0/en
Publication of GB2231951A publication Critical patent/GB2231951A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/0303—Optical path conditioning in cuvettes, e.g. windows; adapted optical elements or systems; path modifying or adjustment
    • 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
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • 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
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6463—Optics
    • G01N2021/6469—Cavity, e.g. ellipsoid
    • 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
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06113—Coherent sources; lasers
    • G01N2201/0612—Laser diodes
GB8904718A 1989-03-02 1989-03-02 Detection apparatus and methods Withdrawn GB2231951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8904718A GB2231951A (en) 1989-03-02 1989-03-02 Detection apparatus and methods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8904718A GB2231951A (en) 1989-03-02 1989-03-02 Detection apparatus and methods

Publications (2)

Publication Number Publication Date
GB8904718D0 true GB8904718D0 (en) 1989-04-12
GB2231951A GB2231951A (en) 1990-11-28

Family

ID=10652564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8904718A Withdrawn GB2231951A (en) 1989-03-02 1989-03-02 Detection apparatus and methods

Country Status (1)

Country Link
GB (1) GB2231951A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5392114A (en) * 1988-03-30 1995-02-21 Cole; Martin T. Fluid pollution monitor
GB8913773D0 (en) * 1989-06-15 1989-08-02 Fire Fighting Enterprises Uk L Particle detectors
US5164604A (en) * 1991-05-01 1992-11-17 Allied-Signal Inc. Multiport particle detection apparatus utilizing a plenum having a plurality of spatically separate channels in fluid combination
CA2228335A1 (en) * 1997-02-04 1998-08-04 Edward Dauskurdas Photodetector with coated reflector
DE19717145C2 (en) 1997-04-23 1999-06-02 Siemens Ag Method for the selective detection of gases and gas sensor for its implementation
DE102005055860B3 (en) * 2005-11-23 2007-05-10 Tyco Electronics Raychem Gmbh Gas sensor arrangement with light channel in the form of a conical section rotational body
CN109001086A (en) * 2018-05-16 2018-12-14 杭州明瑞智能检测科技有限公司 A kind of oil smoke detection device and its detection method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248551A (en) * 1962-10-22 1966-04-26 Joseph C Frommer Optical arrangement for sensing very small particles
US3946239A (en) * 1975-01-24 1976-03-23 The United States Of America As Represented By The United Energy Research And Development Administration Ellipsoidal cell flow system
US4189236A (en) * 1978-03-20 1980-02-19 Coulter Electronics, Inc. Ellipsoid-conic radiation collector and method
CA1127867A (en) * 1978-03-20 1982-07-20 Albert Brunsting Ellipsoid radiation collector and method
DE3000034A1 (en) * 1979-01-02 1980-07-31 Coulter Electronics METHOD AND DEVICE FOR MEASURING THE DIRECTIONAL DISTRIBUTION PROPERTIES OF THE RADIATION ENERGY REFLECTED BY A PARTICLE
SE428972B (en) * 1979-03-07 1983-08-01 Svenska Utvecklings Ab DEVICE FOR DETECTING THE EVENT OF FLUATING, SOLID OR LIQUID PARTICLES IN A GAS
DE3483519D1 (en) * 1983-12-24 1990-12-06 Inotech Ag Wohlen DEVICE FOR GUIDING AND COLLECTING LIGHT IN PHOTOMETRY OD. DGL.
GB8716285D0 (en) * 1987-07-10 1987-08-19 Medical Res Council Light collecting device

Also Published As

Publication number Publication date
GB2231951A (en) 1990-11-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)