FR2415801B2 - - Google Patents
Info
- Publication number
- FR2415801B2 FR2415801B2 FR7802302A FR7802302A FR2415801B2 FR 2415801 B2 FR2415801 B2 FR 2415801B2 FR 7802302 A FR7802302 A FR 7802302A FR 7802302 A FR7802302 A FR 7802302A FR 2415801 B2 FR2415801 B2 FR 2415801B2
- Authority
- FR
- France
- 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
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
- 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
- G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor
 
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| FR7802302A FR2415801A2 (fr) | 1978-01-27 | 1978-01-27 | Procede et dispositif pour determiner la repartition granulometrique d'un melange de particules | 
| CH3579A CH628986A5 (en) | 1978-01-27 | 1979-01-04 | Method and device for determining the particle size distribution of a mixture of particles | 
| BE1/9233A BE873404R (fr) | 1978-01-27 | 1979-01-11 | Procede et dispositif pour determiner la repartition granulometrique d'un melange de particules | 
| IT67110/79A IT1164924B (it) | 1978-01-27 | 1979-01-18 | Procedimento e dispositivo per la determinazione della rippartizione granulimetrica di una miscela di particelle | 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| FR7802302A FR2415801A2 (fr) | 1978-01-27 | 1978-01-27 | Procede et dispositif pour determiner la repartition granulometrique d'un melange de particules | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| FR2415801A2 FR2415801A2 (fr) | 1979-08-24 | 
| FR2415801B2 true FR2415801B2 (OSRAM) | 1980-08-29 | 
Family
ID=9203892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| FR7802302A Granted FR2415801A2 (fr) | 1978-01-27 | 1978-01-27 | Procede et dispositif pour determiner la repartition granulometrique d'un melange de particules | 
Country Status (4)
| Country | Link | 
|---|---|
| BE (1) | BE873404R (OSRAM) | 
| CH (1) | CH628986A5 (OSRAM) | 
| FR (1) | FR2415801A2 (OSRAM) | 
| IT (1) | IT1164924B (OSRAM) | 
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE3175887D1 (en) * | 1981-04-30 | 1987-03-05 | Amtec Soc | Light scattering photometer | 
| FR2688308B1 (fr) * | 1992-03-04 | 1994-05-27 | Cilas | Granulometre a laser. | 
| CN105277474A (zh) * | 2014-11-17 | 2016-01-27 | 北京至感传感器技术研究院有限公司 | 粉尘颗粒检测设备 | 
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| BE787699A (fr) * | 1971-08-25 | 1973-02-19 | Ind Des Comp | Dispositif permettant de determiner une courbe de granulometried'un melange de particules | 
| US4015135A (en) * | 1975-01-10 | 1977-03-29 | E. I. Dupont De Nemours And Company | Method and apparatus for particulate monitoring | 
- 
        1978
        - 1978-01-27 FR FR7802302A patent/FR2415801A2/fr active Granted
 
- 
        1979
        - 1979-01-04 CH CH3579A patent/CH628986A5/fr not_active IP Right Cessation
- 1979-01-11 BE BE1/9233A patent/BE873404R/xx not_active IP Right Cessation
- 1979-01-18 IT IT67110/79A patent/IT1164924B/it active
 
Also Published As
| Publication number | Publication date | 
|---|---|
| IT1164924B (it) | 1987-04-15 | 
| IT7967110A0 (it) | 1979-01-18 | 
| CH628986A5 (en) | 1982-03-31 | 
| FR2415801A2 (fr) | 1979-08-24 | 
| BE873404R (fr) | 1979-07-11 |