BE721171A - - Google Patents
Info
- Publication number
- BE721171A BE721171A BE721171DA BE721171A BE 721171 A BE721171 A BE 721171A BE 721171D A BE721171D A BE 721171DA BE 721171 A BE721171 A BE 721171A
- Authority
- BE
- Belgium
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
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
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)
- Optical Measuring Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2072667 | 1967-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE721171A true BE721171A (en) | 1969-03-03 |
Family
ID=11171135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE721171D BE721171A (en) | 1967-09-21 | 1968-09-20 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT296658B (en) |
| BE (1) | BE721171A (en) |
| CH (1) | CH513398A (en) |
| CS (1) | CS186751B2 (en) |
| DE (2) | DE6609536U (en) |
| FR (1) | FR1585693A (en) |
| GB (1) | GB1200038A (en) |
| NL (1) | NL6813403A (en) |
| SE (1) | SE343395B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1549193A (en) * | 1975-04-29 | 1979-08-01 | Hartridge Ltd Leslie | Apparatus for measuring smoke density |
| DE4129068C2 (en) * | 1991-09-02 | 1999-05-20 | Grundig Ag | Arrangement for measuring exhaust gases in internal combustion engines |
| AUPP521898A0 (en) * | 1998-08-13 | 1998-09-03 | Rees Equipment Pty Ltd | Cleaning device |
| AU752387B2 (en) * | 1998-08-13 | 2002-09-19 | Rees Equipment Pty Ltd | A protective means or assembly |
| AT409039B (en) * | 1999-11-26 | 2002-05-27 | Avl List Gmbh | METHOD FOR MEASURING OPACITY IN GASES |
| FR3005737B1 (en) * | 2013-05-14 | 2015-05-22 | Capelec | DEVICE FOR MONITORING OPACITY AND NITROGEN OXIDES IN EXHAUST GASES |
| FR3005738B1 (en) * | 2013-05-14 | 2016-02-05 | Capelec | OPACIMETER FOR DETECTION OF LOW LEVELS OF POLLUTANTS IN AN EXHAUST GAS |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1247688B (en) * | 1965-04-03 | 1967-08-17 | Visomat Geraete G M B H | Truebungsmesser, in particular smoke density meter |
-
1968
- 1968-09-09 GB GB4286368A patent/GB1200038A/en not_active Expired
- 1968-09-10 AT AT880668A patent/AT296658B/en not_active IP Right Cessation
- 1968-09-13 DE DE19686609536 patent/DE6609536U/en not_active Expired
- 1968-09-13 DE DE19681798242 patent/DE1798242B1/en active Pending
- 1968-09-19 CS CS659068A patent/CS186751B2/en unknown
- 1968-09-19 NL NL6813403A patent/NL6813403A/xx unknown
- 1968-09-20 BE BE721171D patent/BE721171A/xx unknown
- 1968-09-20 FR FR1585693D patent/FR1585693A/fr not_active Expired
- 1968-09-21 CH CH1428568A patent/CH513398A/en not_active IP Right Cessation
- 1968-09-23 SE SE1281868A patent/SE343395B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS186751B2 (en) | 1978-12-29 |
| AT296658B (en) | 1972-02-25 |
| GB1200038A (en) | 1970-07-29 |
| SE343395B (en) | 1972-03-06 |
| CH513398A (en) | 1971-09-30 |
| FR1585693A (en) | 1970-01-30 |
| DE6609536U (en) | 1972-06-22 |
| DE1798242B1 (en) | 1971-08-26 |
| NL6813403A (en) | 1969-03-25 |