FR2445959B1 - - Google Patents
Info
- Publication number
- FR2445959B1 FR2445959B1 FR8000044A FR8000044A FR2445959B1 FR 2445959 B1 FR2445959 B1 FR 2445959B1 FR 8000044 A FR8000044 A FR 8000044A FR 8000044 A FR8000044 A FR 8000044A FR 2445959 B1 FR2445959 B1 FR 2445959B1
- 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
- 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
-
- 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
- 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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/000,438 US4286876A (en) | 1979-01-02 | 1979-01-02 | Apparatus and method for measuring scattering of light in particle detection systems |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2445959A1 FR2445959A1 (fr) | 1980-08-01 |
FR2445959B1 true FR2445959B1 (US07915450-20110329-C00059.png) | 1983-12-09 |
Family
ID=21691542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8000044A Granted FR2445959A1 (fr) | 1979-01-02 | 1980-01-02 | Procede et dispositif pour mesurer la dispersion de la lumiere dans des systemes de detection de particules et miroir compose a utiliser dans ce but |
Country Status (6)
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE19302T1 (de) * | 1981-06-04 | 1986-05-15 | Atomic Energy Authority Uk | Messung der teilchengroesse. |
NO156917C (no) * | 1985-07-16 | 1987-12-16 | Harald B Steen | Anordning for maaling av biologiske cellers lysspredning i vaeskestroemsfotometere. |
GB8726305D0 (en) * | 1987-11-10 | 1987-12-16 | Secr Defence | Portable particle analysers |
US5056918A (en) * | 1989-03-03 | 1991-10-15 | Coulter Electronics Of New England, Inc. | Method and apparatus for particle size analysis |
US4953978A (en) * | 1989-03-03 | 1990-09-04 | Coulter Electronics Of New England, Inc. | Particle size analysis utilizing polarization intensity differential scattering |
US5104221A (en) * | 1989-03-03 | 1992-04-14 | Coulter Electronics Of New England, Inc. | Particle size analysis utilizing polarization intensity differential scattering |
US5650847A (en) * | 1995-06-14 | 1997-07-22 | Erkki Soini | Method and device for determination of parameters of individual microparticles |
US5929981A (en) * | 1996-06-18 | 1999-07-27 | Ohmeda Inc. | System for monitoring contamination of optical elements in a Raman gas analyzer |
DE69818480T2 (de) * | 1997-07-03 | 2004-07-22 | Hamburger, Robert N., La Jolla | System und verfahren zum nachweis von allergenen |
US6639675B1 (en) * | 2000-09-12 | 2003-10-28 | Abb Automation Inc. | Method and apparatus for aligning a mirror of a carbon in fly ash sensor |
US6967338B1 (en) * | 2002-11-25 | 2005-11-22 | The United States Of America As Represented By The Secretary Of The Army | Micro UV particle detector |
US7053783B2 (en) * | 2002-12-18 | 2006-05-30 | Biovigilant Systems, Inc. | Pathogen detector system and method |
WO2006073492A2 (en) | 2004-07-30 | 2006-07-13 | Biovigilant Systems, Inc. | Pathogen and particle detector system and method |
US7738099B2 (en) * | 2005-07-15 | 2010-06-15 | Biovigilant Systems, Inc. | Pathogen and particle detector system and method |
US8628976B2 (en) * | 2007-12-03 | 2014-01-14 | Azbil BioVigilant, Inc. | Method for the detection of biologic particle contamination |
CN102042876B (zh) * | 2010-12-07 | 2012-12-05 | 上海衡伟信息技术有限公司 | 远程在线光谱检测系统 |
CN103364318B (zh) * | 2013-07-22 | 2015-09-23 | 南通大学 | 用旋转对称椭腔镜检测微粒大小及形状的光学系统 |
CN107075437B (zh) * | 2014-10-22 | 2019-12-03 | 株式会社日立高新技术 | 细胞测量机构和具有该细胞测量机构的细胞培养装置以及细胞测量方法 |
CN108291863B (zh) | 2015-10-02 | 2020-07-03 | 国家光学研究所 | 用于使用光散射技术进行个体颗粒尺寸测量的系统和方法 |
FR3061301B1 (fr) * | 2016-12-26 | 2020-09-04 | Commissariat Energie Atomique | Procede d'observation d'un objet |
US10901228B2 (en) * | 2017-06-27 | 2021-01-26 | The Boeing Company | Cavity with curved beam replicator and method of determining a characteristic of a medium therein |
Family Cites Families (4)
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 |
US3177760A (en) * | 1963-02-07 | 1965-04-13 | Ex Cell O Corp | Apparatus embodying plural light paths for measuring the turbidity of a fluid |
US3508830A (en) * | 1967-11-13 | 1970-04-28 | Shell Oil Co | Apparatus for light scattering measurements |
US3819270A (en) * | 1972-10-02 | 1974-06-25 | Block Engineering | Blood cell analyzer |
-
1979
- 1979-01-02 US US06/000,438 patent/US4286876A/en not_active Expired - Lifetime
- 1979-12-28 JP JP17058579A patent/JPS55112531A/ja active Pending
- 1979-12-28 JP JP17058679A patent/JPS55112532A/ja active Pending
-
1980
- 1980-01-02 CA CA000342922A patent/CA1136884A/en not_active Expired
- 1980-01-02 DE DE19803000035 patent/DE3000035A1/de not_active Withdrawn
- 1980-01-02 FR FR8000044A patent/FR2445959A1/fr active Granted
- 1980-01-02 GB GB8000032A patent/GB2039367B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1136884A (en) | 1982-12-07 |
US4286876A (en) | 1981-09-01 |
GB2039367B (en) | 1983-04-13 |
FR2445959A1 (fr) | 1980-08-01 |
DE3000035A1 (de) | 1980-07-31 |
GB2039367A (en) | 1980-08-06 |
JPS55112532A (en) | 1980-08-30 |
JPS55112531A (en) | 1980-08-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |