BE815349A - Dispositif optoelectrique pour detecter la presence d'un milieuliquide - Google Patents
Dispositif optoelectrique pour detecter la presence d'un milieuliquideInfo
- Publication number
- BE815349A BE815349A BE144581A BE144581A BE815349A BE 815349 A BE815349 A BE 815349A BE 144581 A BE144581 A BE 144581A BE 144581 A BE144581 A BE 144581A BE 815349 A BE815349 A BE 815349A
- Authority
- BE
- Belgium
- Prior art keywords
- detect
- medium
- optoelectric device
- optoelectric
- Prior art date
Links
Classifications
-
- 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
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
- G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
- G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT446073A AT324018B (de) | 1973-05-22 | 1973-05-22 | Sonde zum ermitteln von gaselasen in einer flüssigkeit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE815349A true BE815349A (fr) | 1974-09-16 |
Family
ID=3564309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE144581A BE815349A (fr) | 1973-05-22 | 1974-05-21 | Dispositif optoelectrique pour detecter la presence d'un milieuliquide |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT324018B (es) |
| BE (1) | BE815349A (es) |
| CA (1) | CA1010975A (es) |
| CH (1) | CH567715A5 (es) |
| FR (1) | FR2230996B1 (es) |
| GB (1) | GB1472185A (es) |
| NL (1) | NL7406910A (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH580802A5 (es) * | 1975-07-21 | 1976-10-15 | Hectronic Ag | |
| WO1985000301A1 (en) * | 1983-07-01 | 1985-01-31 | Baxter Travenol Laboratories, Inc. | Wettable devices operational with aqueous liquids |
| GB2185309A (en) * | 1986-01-14 | 1987-07-15 | Romotex Limited | Gas bubble detector |
| DE3621009A1 (de) * | 1986-06-23 | 1988-01-07 | Truetzschler & Co | Vorrichtung zur erfassung des fuellstandes in einem fasermaterialspeicher, insbesondere fuer spinnereivorbereitungsmaschinen |
| CN111122817A (zh) * | 2019-12-30 | 2020-05-08 | 深圳开立生物医疗科技股份有限公司 | 一种管路气泡监测方法、装置、存储介质及分析设备 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE515938A (es) * | ||||
| GB1051462A (es) * | 1963-12-05 | 1966-12-14 | ||
| US3548657A (en) * | 1967-11-30 | 1970-12-22 | Maria Panerai | Device for an outside display of the level of a liquid contained within a tank |
-
1973
- 1973-05-22 AT AT446073A patent/AT324018B/de not_active IP Right Cessation
-
1974
- 1974-05-17 CH CH677574A patent/CH567715A5/xx not_active IP Right Cessation
- 1974-05-21 BE BE144581A patent/BE815349A/xx unknown
- 1974-05-21 CA CA200,447A patent/CA1010975A/en not_active Expired
- 1974-05-21 GB GB2251274A patent/GB1472185A/en not_active Expired
- 1974-05-22 FR FR7417939A patent/FR2230996B1/fr not_active Expired
- 1974-05-22 NL NL7406910A patent/NL7406910A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CH567715A5 (es) | 1975-10-15 |
| FR2230996B1 (es) | 1978-01-27 |
| DE2424387B2 (de) | 1976-04-15 |
| AT324018B (de) | 1975-08-11 |
| DE2424387A1 (de) | 1974-12-19 |
| GB1472185A (en) | 1977-05-04 |
| CA1010975A (en) | 1977-05-24 |
| NL7406910A (es) | 1974-11-26 |
| FR2230996A1 (es) | 1974-12-20 |
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