DE69021719T2 - Vorrichtungen zur partikelerkennung und optische kupplung. - Google Patents

Vorrichtungen zur partikelerkennung und optische kupplung.

Info

Publication number
DE69021719T2
DE69021719T2 DE69021719T DE69021719T DE69021719T2 DE 69021719 T2 DE69021719 T2 DE 69021719T2 DE 69021719 T DE69021719 T DE 69021719T DE 69021719 T DE69021719 T DE 69021719T DE 69021719 T2 DE69021719 T2 DE 69021719T2
Authority
DE
Germany
Prior art keywords
particle detection
clutch
optical
optical clutch
particle
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.)
Expired - Fee Related
Application number
DE69021719T
Other languages
English (en)
Other versions
DE69021719D1 (de
Inventor
Phillip Harley
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.)
Kidde Products Ltd
Original Assignee
Kidde Fire Protection 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 Kidde Fire Protection Ltd filed Critical Kidde Fire Protection Ltd
Publication of DE69021719D1 publication Critical patent/DE69021719D1/de
Application granted granted Critical
Publication of DE69021719T2 publication Critical patent/DE69021719T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • 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
    • G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J2001/4446—Type of detector
    • G01J2001/446—Photodiode
    • G01J2001/4466—Avalanche
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
    • G01J5/061—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats
    • G01J2005/062—Peltier
    • 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
    • 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
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/0813—Arrangement of collimator tubes, glass or empty

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Glass Compositions (AREA)
DE69021719T 1989-03-22 1990-03-16 Vorrichtungen zur partikelerkennung und optische kupplung. Expired - Fee Related DE69021719T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898906554A GB8906554D0 (en) 1989-03-22 1989-03-22 Optical system for detector device
PCT/GB1990/000402 WO1990011508A1 (en) 1989-03-22 1990-03-16 Particulate detecting and optical coupling arrangements

Publications (2)

Publication Number Publication Date
DE69021719D1 DE69021719D1 (de) 1995-09-21
DE69021719T2 true DE69021719T2 (de) 1996-04-18

Family

ID=10653787

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021719T Expired - Fee Related DE69021719T2 (de) 1989-03-22 1990-03-16 Vorrichtungen zur partikelerkennung und optische kupplung.

Country Status (6)

Country Link
US (1) US5237386A (de)
EP (1) EP0464048B1 (de)
AU (1) AU638981B2 (de)
DE (1) DE69021719T2 (de)
GB (2) GB8906554D0 (de)
WO (1) WO1990011508A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793035A (en) * 1992-07-28 1998-08-11 Patchen, Inc. Apparatus and method for spraying herbicide on weeds in a cotton field
US5585626A (en) * 1992-07-28 1996-12-17 Patchen, Inc. Apparatus and method for determining a distance to an object in a field for the controlled release of chemicals on plants, weeds, trees or soil and/or guidance of farm vehicles
JP3516535B2 (ja) * 1995-09-14 2004-04-05 シスメックス株式会社 粒子分析装置
US5833144A (en) * 1996-06-17 1998-11-10 Patchen, Inc. High speed solenoid valve cartridge for spraying an agricultural liquid in a field
US5763873A (en) * 1996-08-28 1998-06-09 Patchen, Inc. Photodetector circuit for an electronic sprayer
US5926098A (en) * 1996-10-24 1999-07-20 Pittway Corporation Aspirated detector
US5789741A (en) * 1996-10-31 1998-08-04 Patchen, Inc. Detecting plants in a field by detecting a change in slope in a reflectance characteristic
US5809440A (en) * 1997-02-27 1998-09-15 Patchen, Inc. Agricultural implement having multiple agents for mapping fields
US5872361A (en) * 1997-03-24 1999-02-16 Hach Company Turbidimeter with non-imaging optical concentrator
AUPR851301A0 (en) * 2001-10-29 2001-11-29 Woodward, Robert Optical guide system
JP3855931B2 (ja) * 2003-01-09 2006-12-13 船井電機株式会社 光ヘッド装置
US7362439B2 (en) * 2003-08-01 2008-04-22 Li-Cor, Inc. Method of detecting the condition of a turf grass

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892378A (en) * 1955-04-26 1959-06-30 Gen Electric Indicating turbidimeter
GB949826A (en) * 1959-06-11 1964-02-19 Ass Elect Ind Improvements relating to apparatus for measuring radiation produced in nuclear reactors
US3141094A (en) * 1960-10-27 1964-07-14 Beckman Instruments Inc Photoelectric immersion probe
GB1103136A (en) * 1965-04-28 1968-02-14 Pyrotector Inc Improvements in or relating to particle detectors
US3593026A (en) * 1968-07-06 1971-07-13 Nippon Selfoc Co Ltd Light deflection compensation device utilizing an optical fiber having a refractive index gradient which decreases radially
FR2036476A5 (de) * 1969-03-13 1970-12-24 Guigues Frederic
US3805066A (en) * 1972-08-14 1974-04-16 T Chijuma Smoke detecting device utilizing optical fibers
US3976891A (en) * 1975-02-18 1976-08-24 Electra-Tronics, Inc. Photoelectric detector for smoke or the like
JPS6142092Y2 (de) * 1979-01-12 1986-11-29
BE881812A (nl) * 1979-12-17 1980-06-16 Cerberus Ag Meldingsstelsel
DE3016530A1 (de) * 1980-04-29 1981-11-05 Hekatron GmbH, 7811 Sulzburg Lichtoptische nachweisvorrichtung fuer eine schwebeteilchenkonzentration
US4799756A (en) * 1980-10-06 1989-01-24 The Regents Of The University Of California Remote multi-position information gathering system and method
JPS58182524A (ja) * 1982-04-20 1983-10-25 Sumitomo Electric Ind Ltd 光周波数変化検出方式
DE3235369A1 (de) * 1982-09-24 1984-03-29 Basf Ag, 6700 Ludwigshafen Fiberoptisches doppler-anemometer
DE3243719A1 (de) * 1982-11-26 1984-05-30 Basf Ag, 6700 Ludwigshafen Laseroptische anordnung zur messung des dispergiergrades in stroemenden systemen
JPS60128331A (ja) * 1983-12-16 1985-07-09 Happy Kagaku Kk 塵埃検出装置
DE3412620A1 (de) * 1984-04-04 1985-10-17 Basf Ag, 6700 Ludwigshafen Laseroptische anordnung zur messung des dispergiergrades in stroemenden systemen
EP0184269B1 (de) * 1984-12-04 1990-08-08 The Dow Chemical Company Faseroptische Sonde und Verfahren zur Bestimmung der Grösse und/oder Konzentration von Stoffen in einer Suspension
FR2583164B1 (fr) * 1985-06-06 1988-10-14 Trapil Transports Petroliers P Procede et dispositif pour determiner la couleur et la turbidite d'un fluide
WO1987006011A1 (en) * 1986-03-24 1987-10-08 University Of Queensland Monitoring the presence of materials
AU5629986A (en) * 1986-03-24 1987-10-20 University Of Queensland, The Monitoring the presence of materials
GB8705844D0 (en) * 1987-03-12 1987-04-15 Secr Defence Dynamic light scattering apparatus
US4859864A (en) * 1987-05-07 1989-08-22 Becton, Dickinson And Company Sensor and method for detecting the presence of air bubbles in liquid
JPS6447936A (en) * 1987-08-18 1989-02-22 Ricoh Kk Physical value measuring apparatus for liquid
US4896048A (en) * 1988-05-27 1990-01-23 High Yield Technology Scattering-type particle detection device for use in high temperature process chambers

Also Published As

Publication number Publication date
GB8906554D0 (en) 1989-05-04
DE69021719D1 (de) 1995-09-21
AU638981B2 (en) 1993-07-15
GB2232242A (en) 1990-12-05
GB9006853D0 (en) 1990-05-23
AU5260290A (en) 1990-10-22
GB2232242B (en) 1993-04-07
EP0464048A1 (de) 1992-01-08
WO1990011508A1 (en) 1990-10-04
US5237386A (en) 1993-08-17
EP0464048B1 (de) 1995-08-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KIDDE FIRE PROTECTION SERVICES LTD., COLNBROOK, BE

8339 Ceased/non-payment of the annual fee