FR2272387A1 - - Google Patents
Info
- Publication number
- FR2272387A1 FR2272387A1 FR7417446A FR7417446A FR2272387A1 FR 2272387 A1 FR2272387 A1 FR 2272387A1 FR 7417446 A FR7417446 A FR 7417446A FR 7417446 A FR7417446 A FR 7417446A FR 2272387 A1 FR2272387 A1 FR 2272387A1
- 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.)
- Granted
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
- 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
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)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7417446A FR2272387B1 (US08087162-20120103-C00010.png) | 1974-05-20 | 1974-05-20 | |
| CH614675A CH588074A5 (US08087162-20120103-C00010.png) | 1974-05-20 | 1975-05-13 | |
| DE19752521433 DE2521433A1 (de) | 1974-05-20 | 1975-05-14 | Geraet zum messen des staubgehaltes eines gasstromes |
| GB2043075A GB1467529A (en) | 1974-05-20 | 1975-05-14 | Dust content measuring apparatus |
| US05/577,798 US4024407A (en) | 1974-05-20 | 1975-05-15 | Device for measuring the dust content of a gas stream |
| NL7505826A NL7505826A (nl) | 1974-05-20 | 1975-05-16 | Inrichting voor het meten van het gehalte aan stofdeeltjes van een gasstroom. |
| JP50058757A JPS50159777A (US08087162-20120103-C00010.png) | 1974-05-20 | 1975-05-19 | |
| IT23534/75A IT1038292B (it) | 1974-05-20 | 1975-05-20 | Apparecchio per misurare la quantita di polveri in una corrente gas sosa |
| BE156519A BE829271A (fr) | 1974-05-20 | 1975-05-20 | Appareil pour la mesure de la teneur en poussieres d'un courant gazeux |
| JP1979180442U JPS5594552U (US08087162-20120103-C00010.png) | 1974-05-20 | 1979-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7417446A FR2272387B1 (US08087162-20120103-C00010.png) | 1974-05-20 | 1974-05-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2272387A1 true FR2272387A1 (US08087162-20120103-C00010.png) | 1975-12-19 |
| FR2272387B1 FR2272387B1 (US08087162-20120103-C00010.png) | 1976-10-15 |
Family
ID=9139053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7417446A Expired FR2272387B1 (US08087162-20120103-C00010.png) | 1974-05-20 | 1974-05-20 |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447548A1 (fr) * | 1979-01-29 | 1980-08-22 | Chamourat Patrick | Appareil de detection de particules en suspension dans un fluide |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4180331A (en) * | 1976-04-19 | 1979-12-25 | Bindicator Company | Method and apparatus for sampling and measuring a characteristic of flowing granular material |
| US4068130A (en) * | 1976-11-16 | 1978-01-10 | Chloride Incorporated | Smoke detector with means for changing light pulse frequency |
| US4075499A (en) * | 1976-11-16 | 1978-02-21 | Chloride, Incorporated | Smoke detector with means for changing light pulse frequency |
| US4155651A (en) * | 1977-11-14 | 1979-05-22 | The Boeing Company | Apparatus for measuring the total mass of particles suspended in a fluid |
| US4213325A (en) * | 1978-09-26 | 1980-07-22 | Kudryavtsev Lev A | Device for introducing particles into analyzer of dustiness of gaseous medium |
| JPS57159151U (US08087162-20120103-C00010.png) * | 1981-03-31 | 1982-10-06 | ||
| JPS57159152U (US08087162-20120103-C00010.png) * | 1981-03-31 | 1982-10-06 | ||
| EP0208646B1 (de) * | 1985-07-05 | 1991-01-23 | Bergwerksverband GmbH | Stationäres Tyndallometer |
| DE4315893A1 (de) * | 1992-07-24 | 1994-11-17 | Boenisch Dietmar | Verfahren und Vorrichtung zum Regenerieren von Gießereisand |
| US6400787B2 (en) * | 1998-07-06 | 2002-06-04 | Euratom | Telemetering of uranium of plutonium in glass |
| ES2315262T3 (es) * | 2001-08-17 | 2009-04-01 | Mcdermott Technology, Inc. | Detector de humos de dispersion de luz. |
| EP1620678B1 (en) * | 2003-04-11 | 2019-06-19 | Evonik Corporation | Fuel and process for combustion reduced emissions |
| DE202014105763U1 (de) * | 2014-11-28 | 2016-01-07 | Argos Messtechnik Gmbh | Vorrichtung zur Analyse von Messgasen, inbesondere Atemluft |
| US10578537B2 (en) | 2016-03-30 | 2020-03-03 | Sintrol Oy | Method for measuring the properties of particles in a medium and a device for measuring the properties of particles in a flue gas |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3653768A (en) * | 1970-02-14 | 1972-04-04 | Eltro Gmbh | Apparatus for measuring the range of vision by comparing a direct and dispersed beam of light |
| US3665201A (en) * | 1968-12-23 | 1972-05-23 | Gam Rad | Turbidimeter utilizing back scatter |
| FR2123948A5 (US08087162-20120103-C00010.png) * | 1971-01-29 | 1972-09-15 | Guigues Frederic | |
| US3786261A (en) * | 1971-10-12 | 1974-01-15 | Coulter Electronics | Optical scanning device |
| US3797937A (en) * | 1972-03-01 | 1974-03-19 | Environmental Systems Corp | System for making particle measurements |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB918525A (en) * | 1958-04-29 | 1963-02-13 | Hartridge Ltd Leslie | Improvements in and relating to smokemeters |
| GB1026911A (en) * | 1963-04-17 | 1966-04-20 | Nat Res Dev | Indication of fog or like atmospheric pollution |
| US3809913A (en) * | 1972-10-20 | 1974-05-07 | Steel Corp | Detector for particulate matter in flowing gas streams |
| US3954342A (en) * | 1974-03-28 | 1976-05-04 | Jan Boeke | Optical device for monitoring clarity of a fluid |
-
1974
- 1974-05-20 FR FR7417446A patent/FR2272387B1/fr not_active Expired
-
1975
- 1975-05-13 CH CH614675A patent/CH588074A5/xx not_active IP Right Cessation
- 1975-05-14 DE DE19752521433 patent/DE2521433A1/de not_active Withdrawn
- 1975-05-14 GB GB2043075A patent/GB1467529A/en not_active Expired
- 1975-05-15 US US05/577,798 patent/US4024407A/en not_active Expired - Lifetime
- 1975-05-16 NL NL7505826A patent/NL7505826A/xx unknown
- 1975-05-19 JP JP50058757A patent/JPS50159777A/ja active Pending
- 1975-05-20 IT IT23534/75A patent/IT1038292B/it active
- 1975-05-20 BE BE156519A patent/BE829271A/xx not_active IP Right Cessation
-
1979
- 1979-12-27 JP JP1979180442U patent/JPS5594552U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665201A (en) * | 1968-12-23 | 1972-05-23 | Gam Rad | Turbidimeter utilizing back scatter |
| US3653768A (en) * | 1970-02-14 | 1972-04-04 | Eltro Gmbh | Apparatus for measuring the range of vision by comparing a direct and dispersed beam of light |
| FR2123948A5 (US08087162-20120103-C00010.png) * | 1971-01-29 | 1972-09-15 | Guigues Frederic | |
| US3786261A (en) * | 1971-10-12 | 1974-01-15 | Coulter Electronics | Optical scanning device |
| US3797937A (en) * | 1972-03-01 | 1974-03-19 | Environmental Systems Corp | System for making particle measurements |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2447548A1 (fr) * | 1979-01-29 | 1980-08-22 | Chamourat Patrick | Appareil de detection de particules en suspension dans un fluide |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50159777A (US08087162-20120103-C00010.png) | 1975-12-24 |
| NL7505826A (nl) | 1975-11-24 |
| US4024407A (en) | 1977-05-17 |
| JPS5594552U (US08087162-20120103-C00010.png) | 1980-06-30 |
| BE829271A (fr) | 1975-09-15 |
| DE2521433A1 (de) | 1975-12-04 |
| FR2272387B1 (US08087162-20120103-C00010.png) | 1976-10-15 |
| IT1038292B (it) | 1979-11-20 |
| CH588074A5 (US08087162-20120103-C00010.png) | 1977-05-31 |
| GB1467529A (en) | 1977-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |