FR2643711B1 - Dispositif de detection de liquide - Google Patents
Dispositif de detection de liquideInfo
- Publication number
- FR2643711B1 FR2643711B1 FR8902487A FR8902487A FR2643711B1 FR 2643711 B1 FR2643711 B1 FR 2643711B1 FR 8902487 A FR8902487 A FR 8902487A FR 8902487 A FR8902487 A FR 8902487A FR 2643711 B1 FR2643711 B1 FR 2643711B1
- Authority
- FR
- France
- Prior art keywords
- detection device
- liquid detection
- liquid
- detection
- Prior art date
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/20—Status alarms responsive to moisture
-
- 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
- G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
- G01F23/241—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 variations of resistance of resistors due to contact with conductor fluid for discrete levels
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8902487A FR2643711B1 (fr) | 1989-02-27 | 1989-02-27 | Dispositif de detection de liquide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8902487A FR2643711B1 (fr) | 1989-02-27 | 1989-02-27 | Dispositif de detection de liquide |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2643711A1 FR2643711A1 (fr) | 1990-08-31 |
FR2643711B1 true FR2643711B1 (fr) | 1992-12-31 |
Family
ID=9379136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8902487A Expired - Fee Related FR2643711B1 (fr) | 1989-02-27 | 1989-02-27 | Dispositif de detection de liquide |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2643711B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2536697C2 (ru) * | 2013-07-31 | 2014-12-27 | Владимир Алексеевич Небольсин | Антивандальный лифт |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2229049A1 (en) * | 1973-05-10 | 1974-12-06 | Chatelain Ets | Electronic control of plant watering eqpt - conductivity measurements operate transistor lamp driver circuit for level control |
GB2062238A (en) * | 1979-10-15 | 1981-05-20 | Ponting I M | An impedance measuring system |
GB2145859A (en) * | 1983-08-30 | 1985-04-03 | Kek How Ng | Lift urine/wetting alarm system |
DE3713031A1 (de) * | 1987-04-16 | 1988-11-03 | Kuebler Heinrich | Wasserwaechter |
-
1989
- 1989-02-27 FR FR8902487A patent/FR2643711B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2643711A1 (fr) | 1990-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |