IT8867467A0 - Rilevatore di pressione a compensazione numerica - Google Patents
Rilevatore di pressione a compensazione numericaInfo
- Publication number
- IT8867467A0 IT8867467A0 IT8867467A IT6746788A IT8867467A0 IT 8867467 A0 IT8867467 A0 IT 8867467A0 IT 8867467 A IT8867467 A IT 8867467A IT 6746788 A IT6746788 A IT 6746788A IT 8867467 A0 IT8867467 A0 IT 8867467A0
- Authority
- IT
- Italy
- Prior art keywords
- pressure detector
- compensated pressure
- numerically compensated
- numerically
- detector
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2268—Arrangements for correcting or for compensating unwanted effects
- G01L1/2281—Arrangements for correcting or for compensating unwanted effects for temperature variations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
- G01L9/0055—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements bonded on a diaphragm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
- G01L9/06—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices
- G01L9/065—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices with temperature compensating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Force In General (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8707291A FR2615618B1 (fr) | 1987-05-22 | 1987-05-22 | Capteur de pression a compensation numerique |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8867467A0 true IT8867467A0 (it) | 1988-05-20 |
IT1219317B IT1219317B (it) | 1990-05-03 |
Family
ID=9351399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67467/88A IT1219317B (it) | 1987-05-22 | 1988-05-20 | Rilevatore di pressione a compensazione numerica |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3817336A1 (it) |
FR (1) | FR2615618B1 (it) |
GB (1) | GB2205953B (it) |
IT (1) | IT1219317B (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3912280A1 (de) * | 1989-04-14 | 1990-10-18 | Bosch Gmbh Robert | Verfahren zum herstellen eines sensors zum bestimmen von druckkraeften |
GB9100708D0 (en) * | 1991-01-12 | 1991-02-27 | Westland Aerostructures Ltd | System for measuring two variable quantities |
FR2679652B1 (fr) * | 1991-07-26 | 1993-11-12 | Schlumberger Services Petroliers | Procede pour corriger de l'influence de la temperature les mesures d'une jauge de pression. |
US5588308A (en) * | 1995-08-21 | 1996-12-31 | Air Products And Chemicals, Inc. | Recompression cycle for recovery of natural gas liquids |
US6422088B1 (en) * | 1999-09-24 | 2002-07-23 | Denso Corporation | Sensor failure or abnormality detecting system incorporated in a physical or dynamic quantity detecting apparatus |
US6681637B2 (en) | 2000-07-20 | 2004-01-27 | Vega Grieshaber Kg | Pressure-measuring cell with a temperature sensor |
DE10035346B4 (de) * | 2000-07-20 | 2007-08-09 | Vega Grieshaber Kg | Druckmesszelle mit Temperatursensor |
US6698294B2 (en) | 2000-09-07 | 2004-03-02 | Vega Grieshaber Kg | Pressure cell with temperature sensors and pressure measuring method |
DE10044078A1 (de) * | 2000-09-07 | 2002-04-04 | Grieshaber Vega Kg | Druckmesszelle mit Temperatursensoren und Druckmessverfahren |
EP2499468B1 (en) | 2009-11-09 | 2020-09-09 | Koninklijke Philips N.V. | Flow sensing device with temperature compensation |
WO2011055253A1 (en) | 2009-11-09 | 2011-05-12 | Koninklijke Philips Electronics N.V. | Flow sensing method with temperature compensation |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3130578A (en) * | 1961-08-18 | 1964-04-28 | Fairchild Camera Instr Co | Strain gauge bridge calibration |
US4320664A (en) * | 1980-02-25 | 1982-03-23 | Texas Instruments Incorporated | Thermally compensated silicon pressure sensor |
US4321832A (en) * | 1980-03-07 | 1982-03-30 | Rockwell International Corporation | High accuracy measuring apparatus |
US4437164A (en) * | 1981-03-05 | 1984-03-13 | Bristol Babcock Inc. | Ridge circuit compensation for environmental effects |
CA1171178A (en) * | 1981-05-19 | 1984-07-17 | Dennis K. Briefer | Temperature compensated measuring system |
JPS58114199A (ja) * | 1981-12-26 | 1983-07-07 | 株式会社東芝 | 2線式圧力差圧伝送器 |
FR2545605B1 (fr) * | 1983-05-03 | 1985-10-11 | Sedeme | Dispositif de mesure a jauges de contrainte, notamment pour la mesure de pression |
DE3339349A1 (de) * | 1983-10-29 | 1985-05-09 | Meditec GmbH, 8501 Heroldsberg | Kennliniengeber |
JP2579143B2 (ja) * | 1984-02-02 | 1997-02-05 | ハネウエル・インコーポレーテッド | プロセス変数センサのディジタル補正の方法およびそのためのプロセス変数発信器 |
DE3427743A1 (de) * | 1984-07-27 | 1986-02-06 | Keller AG für Druckmeßtechnik, Winterthur | Verfahren zur temperaturkompensation und messschaltung hierfuer |
JPS61159127A (ja) * | 1985-01-07 | 1986-07-18 | Agency Of Ind Science & Technol | 半導体圧力センサの非直線性補償装置 |
-
1987
- 1987-05-22 FR FR8707291A patent/FR2615618B1/fr not_active Expired - Lifetime
-
1988
- 1988-05-20 DE DE3817336A patent/DE3817336A1/de not_active Ceased
- 1988-05-20 IT IT67467/88A patent/IT1219317B/it active
- 1988-05-23 GB GB8812166A patent/GB2205953B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2205953B (en) | 1991-03-13 |
GB8812166D0 (en) | 1988-06-29 |
IT1219317B (it) | 1990-05-03 |
FR2615618B1 (fr) | 1990-11-30 |
GB2205953A (en) | 1988-12-21 |
DE3817336A1 (de) | 1988-12-15 |
FR2615618A1 (fr) | 1988-11-25 |
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