FR2274913B1 - - Google Patents
Info
- Publication number
- FR2274913B1 FR2274913B1 FR7420270A FR7420270A FR2274913B1 FR 2274913 B1 FR2274913 B1 FR 2274913B1 FR 7420270 A FR7420270 A FR 7420270A FR 7420270 A FR7420270 A FR 7420270A FR 2274913 B1 FR2274913 B1 FR 2274913B1
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
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- 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)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Closed-Circuit Television Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7420270A FR2274913A1 (fr) | 1974-06-12 | 1974-06-12 | Dispositif permettant de visionner un liquide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7420270A FR2274913A1 (fr) | 1974-06-12 | 1974-06-12 | Dispositif permettant de visionner un liquide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2274913A1 FR2274913A1 (fr) | 1976-01-09 |
| FR2274913B1 true FR2274913B1 (es) | 1976-10-15 |
Family
ID=9139932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7420270A Granted FR2274913A1 (fr) | 1974-06-12 | 1974-06-12 | Dispositif permettant de visionner un liquide |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2274913A1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4308486C2 (de) * | 1993-03-17 | 1995-05-04 | Grundig Emv | Verfahren zum Messen von Trübungen |
| RU184942U1 (ru) * | 2018-09-17 | 2018-11-14 | Федеральное государственное бюджетное учреждение "Петербургский институт ядерной физики им. Б.П. Константинова Национального исследовательского центра "Курчатовский институт" | Нефелометрический мутномер |
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1974
- 1974-06-12 FR FR7420270A patent/FR2274913A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2274913A1 (fr) | 1976-01-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |