FR2230996B1 - - Google Patents
Info
- Publication number
- FR2230996B1 FR2230996B1 FR7417939A FR7417939A FR2230996B1 FR 2230996 B1 FR2230996 B1 FR 2230996B1 FR 7417939 A FR7417939 A FR 7417939A FR 7417939 A FR7417939 A FR 7417939A FR 2230996 B1 FR2230996 B1 FR 2230996B1
- 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
- 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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2230996A1 FR2230996A1 (es) | 1974-12-20 |
| FR2230996B1 true FR2230996B1 (es) | 1978-01-27 |
Family
ID=3564309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7417939A Expired FR2230996B1 (es) | 1973-05-22 | 1974-05-22 |
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 CA CA200,447A patent/CA1010975A/en not_active Expired
- 1974-05-21 BE BE144581A patent/BE815349A/xx unknown
- 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 |
| NL7406910A (es) | 1974-11-26 |
| DE2424387A1 (de) | 1974-12-19 |
| AT324018B (de) | 1975-08-11 |
| FR2230996A1 (es) | 1974-12-20 |
| BE815349A (fr) | 1974-09-16 |
| DE2424387B2 (de) | 1976-04-15 |
| CA1010975A (en) | 1977-05-24 |
| GB1472185A (en) | 1977-05-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |