FR2175395A5 - - Google Patents
Info
- Publication number
- FR2175395A5 FR2175395A5 FR7246964A FR7246964A FR2175395A5 FR 2175395 A5 FR2175395 A5 FR 2175395A5 FR 7246964 A FR7246964 A FR 7246964A FR 7246964 A FR7246964 A FR 7246964A FR 2175395 A5 FR2175395 A5 FR 2175395A5
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722204079 DE2204079C3 (de) | 1972-01-28 | Vorrichtung zum Klassifizieren von in einem strömungsfähigen Medium suspendierten Teilchen |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2175395A5 true FR2175395A5 (ja) | 1973-10-19 |
Family
ID=5834340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7246964A Expired FR2175395A5 (ja) | 1972-01-28 | 1972-12-29 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3869208A (ja) |
JP (1) | JPS4885194A (ja) |
FR (1) | FR2175395A5 (ja) |
GB (1) | GB1422197A (ja) |
IL (1) | IL41300A (ja) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4052600A (en) * | 1975-01-06 | 1977-10-04 | Leeds & Northrup Company | Measurement of statistical parameters of a distribution of suspended particles |
US3989381A (en) * | 1975-05-05 | 1976-11-02 | Coulter Electronics, Inc. | Optical chamber with spherical reflective portion and apparatus employing same |
US4018534A (en) * | 1975-05-21 | 1977-04-19 | The United States Of America As Represented By The Secretary Of The Army | Aerosol average-density determining system |
JPS5237482A (en) * | 1975-09-19 | 1977-03-23 | Nippon Kagaku Kogyo Kk | Device for measuring suspended particulate matter using light scatteri ng |
JPS52100278A (en) * | 1976-02-18 | 1977-08-23 | Hitachi Ltd | Light scattering particle detector |
DE2829736C2 (de) * | 1977-07-13 | 1981-10-08 | Nikolaj Vladimirovič Šamkov | Eicheinrichtung zur Aufnahme der Eichkurve eines fotoelektrischen Aerosolanalysators |
US4473296A (en) * | 1978-05-03 | 1984-09-25 | Ppm, Inc. | System and method and apparatus for a continuous aerosol monitor (CAM) using electro-optical weighing for general aerosols |
US4193288A (en) * | 1978-08-21 | 1980-03-18 | Berber Viktor A | Apparatus for calibrating instruments for granulometric recording |
US4284355A (en) * | 1979-10-29 | 1981-08-18 | Ortho Diagnostics, Inc. | Automated method for cell volume determination |
JPS5682645U (ja) * | 1979-11-28 | 1981-07-03 | ||
JPS6237160Y2 (ja) * | 1980-02-29 | 1987-09-22 | ||
US4801205A (en) * | 1984-06-30 | 1989-01-31 | Kabushiki Kaisha Toshiba | Particle size measuring apparatus |
US4702598A (en) * | 1985-02-25 | 1987-10-27 | Research Corporation | Flow cytometer |
JPS61266940A (ja) * | 1985-05-22 | 1986-11-26 | Kurita Water Ind Ltd | 液中の微粒子計測装置 |
US4915500A (en) * | 1985-08-16 | 1990-04-10 | The United States Of America As Represented By The Department Of Energy | Multichannel optical sensing device |
JPS63133040A (ja) * | 1986-11-25 | 1988-06-04 | Rion Co Ltd | 光散乱式微粒子計 |
JPH0283450U (ja) * | 1988-12-15 | 1990-06-28 | ||
JPH0283451U (ja) * | 1988-12-15 | 1990-06-28 | ||
US4966462A (en) * | 1989-02-15 | 1990-10-30 | The United States Of America As Represented By The United States Department Of Energy | Series cell light extinction monitor |
US4942305A (en) * | 1989-05-12 | 1990-07-17 | Pacific Scientific Company | Integrating sphere aerosol particle detector |
JP2722362B2 (ja) * | 1992-03-27 | 1998-03-04 | 三井金属鉱業株式会社 | 粒子または欠陥の大きさ情報の測定方法および装置 |
US5407269A (en) * | 1992-07-09 | 1995-04-18 | International Business Machine Corporation | Dynamic mixing chamber |
US5559284A (en) * | 1995-04-17 | 1996-09-24 | The United States Of America As Represented By The Secretary Of The Army | Method for determining elongational viscosity and dynamic surface tension in liquid solutions |
US7016026B2 (en) * | 2002-04-10 | 2006-03-21 | Baker Hughes Incorporated | Method and apparatus for a downhole refractometer and attenuated reflectance spectrometer |
GB2389176C (en) * | 2002-05-27 | 2011-07-27 | Kidde Ip Holdings Ltd | Smoke detector |
JP2004283083A (ja) * | 2003-03-24 | 2004-10-14 | Hitachi Ltd | オンライン化学反応装置、及び解析システム |
US7256882B2 (en) * | 2004-06-21 | 2007-08-14 | Bgi Instruments, Inc. | Photometer device and method |
JP4980101B2 (ja) * | 2007-03-08 | 2012-07-18 | 能美防災株式会社 | 煙感知器 |
CN103852078B (zh) * | 2012-11-29 | 2018-05-25 | 上海航天控制工程研究所 | 空间光学姿态敏感器杂散光保护角的测量方法及装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732753A (en) * | 1956-01-31 | o konski | ||
US2280993A (en) * | 1940-12-05 | 1942-04-28 | American Cyanamid Co | Turbidimeter |
US3114283A (en) * | 1960-10-31 | 1963-12-17 | Bausch & Lomb | Light sensing method and apparatus therefor |
US3231748A (en) * | 1961-10-30 | 1966-01-25 | Fyr Fyter Co | Smoke detector |
US3535531A (en) * | 1968-07-31 | 1970-10-20 | Atomic Energy Commission | High-volume airborne-particle light scattering detector system having rectangularly shaped elongated scanning zone |
DE1802269C3 (de) * | 1968-10-10 | 1979-09-27 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zum Messen der Konzentration und/oder Größe von Schwebstoffteilchen |
US3703641A (en) * | 1969-08-18 | 1972-11-21 | North American Rockwell | Particle-size measuring apparatus |
US3740148A (en) * | 1970-12-08 | 1973-06-19 | Research Corp | Portable dust analyzer |
-
1972
- 1972-12-29 FR FR7246964A patent/FR2175395A5/fr not_active Expired
-
1973
- 1973-01-10 US US322394A patent/US3869208A/en not_active Expired - Lifetime
- 1973-01-16 IL IL41300A patent/IL41300A/xx unknown
- 1973-01-16 JP JP48006666A patent/JPS4885194A/ja active Pending
- 1973-01-26 GB GB405773A patent/GB1422197A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3869208A (en) | 1975-03-04 |
DE2204079A1 (de) | 1973-08-09 |
IL41300A0 (en) | 1973-03-30 |
JPS4885194A (ja) | 1973-11-12 |
GB1422197A (en) | 1976-01-21 |
IL41300A (en) | 1975-08-31 |
DE2204079B2 (de) | 1975-09-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |