DE69129260T2 - Gerät zur Messung der Teilchengrössenverteilung - Google Patents

Gerät zur Messung der Teilchengrössenverteilung

Info

Publication number
DE69129260T2
DE69129260T2 DE69129260T DE69129260T DE69129260T2 DE 69129260 T2 DE69129260 T2 DE 69129260T2 DE 69129260 T DE69129260 T DE 69129260T DE 69129260 T DE69129260 T DE 69129260T DE 69129260 T2 DE69129260 T2 DE 69129260T2
Authority
DE
Germany
Prior art keywords
measuring
particle size
size distribution
distribution
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
DE69129260T
Other languages
English (en)
Other versions
DE69129260D1 (de
Inventor
Tatsuo Igushi
Yoshiaki Togawa
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.)
Horiba Ltd
Original Assignee
Horiba 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26561273&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69129260(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP2297869A external-priority patent/JP2876253B2/ja
Priority claimed from JP2312251A external-priority patent/JP2876255B2/ja
Application filed by Horiba Ltd filed Critical Horiba Ltd
Publication of DE69129260D1 publication Critical patent/DE69129260D1/de
Application granted granted Critical
Publication of DE69129260T2 publication Critical patent/DE69129260T2/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
    • 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, e.g. by light scattering, diffraction, holography or imaging
    • G01N15/0211—Investigating a scatter or diffraction pattern
    • 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
    • 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
    • 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
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
DE69129260T 1990-11-03 1991-10-31 Gerät zur Messung der Teilchengrössenverteilung Expired - Fee Related DE69129260T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2297869A JP2876253B2 (ja) 1990-11-03 1990-11-03 粒度分布測定装置
JP2312251A JP2876255B2 (ja) 1990-11-17 1990-11-17 粒度分布測定装置

Publications (2)

Publication Number Publication Date
DE69129260D1 DE69129260D1 (de) 1998-05-20
DE69129260T2 true DE69129260T2 (de) 1998-11-19

Family

ID=26561273

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69129260T Expired - Fee Related DE69129260T2 (de) 1990-11-03 1991-10-31 Gerät zur Messung der Teilchengrössenverteilung

Country Status (3)

Country Link
US (1) US5185641A (de)
EP (1) EP0485817B1 (de)
DE (1) DE69129260T2 (de)

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Also Published As

Publication number Publication date
DE69129260D1 (de) 1998-05-20
EP0485817A1 (de) 1992-05-20
US5185641A (en) 1993-02-09
EP0485817B1 (de) 1998-04-15

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8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee