CH563572A5 - - Google Patents
Info
- Publication number
- CH563572A5 CH563572A5 CH604174A CH604174A CH563572A5 CH 563572 A5 CH563572 A5 CH 563572A5 CH 604174 A CH604174 A CH 604174A CH 604174 A CH604174 A CH 604174A CH 563572 A5 CH563572 A5 CH 563572A5
- Authority
- CH
- Switzerland
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 |
|---|---|---|---|
| AT907173A AT332138B (de) | 1973-10-25 | 1973-10-25 | Einrichtung zur anzeige oder steuerung des flussigkeitsspiegels in einem behalter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH563572A5 true CH563572A5 (es) | 1975-06-30 |
Family
ID=3610949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH604174A CH563572A5 (es) | 1973-10-25 | 1974-05-03 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT332138B (es) |
| CH (1) | CH563572A5 (es) |
| FR (1) | FR2249316A1 (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH580802A5 (es) * | 1975-07-21 | 1976-10-15 | Hectronic Ag | |
| AU524951B2 (en) * | 1978-04-19 | 1982-10-14 | See Probe Electronics Pty. Ltd. | L.e.d. reflectance fluid level indicator |
| DE3519343A1 (de) * | 1985-05-30 | 1986-12-04 | Hella KG Hueck & Co, 4780 Lippstadt | Vorrichtung zur messung und ueberwachung des fuellstandes eines fluessigkeitsbehaelters |
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1973
- 1973-10-25 AT AT907173A patent/AT332138B/de not_active IP Right Cessation
-
1974
- 1974-05-03 CH CH604174A patent/CH563572A5/xx not_active IP Right Cessation
- 1974-10-25 FR FR7435918A patent/FR2249316A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2249316A1 (en) | 1975-05-23 |
| ATA907173A (de) | 1975-12-15 |
| AT332138B (de) | 1976-09-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |