NO941362L - Fremgangsmåte og anordning ved kapasitans temperatur kompensasjon - Google Patents
Fremgangsmåte og anordning ved kapasitans temperatur kompensasjonInfo
- Publication number
- NO941362L NO941362L NO941362A NO941362A NO941362L NO 941362 L NO941362 L NO 941362L NO 941362 A NO941362 A NO 941362A NO 941362 A NO941362 A NO 941362A NO 941362 L NO941362 L NO 941362L
- Authority
- NO
- Norway
- Prior art keywords
- capacitance
- module
- temperature compensation
- capacitance temperature
- removable module
- Prior art date
Links
- 239000004020 conductor Substances 0.000 abstract 1
Classifications
-
- 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
- G01L9/12—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 capacitance, i.e. electric circuits therefor
- G01L9/125—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 capacitance, i.e. electric circuits therefor with temperature compensating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/775,311 US5237285A (en) | 1991-10-18 | 1991-10-18 | Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
| PCT/US1992/008733 WO1993008479A1 (en) | 1991-10-18 | 1992-10-13 | Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO941362D0 NO941362D0 (no) | 1994-04-15 |
| NO941362L true NO941362L (no) | 1994-06-08 |
Family
ID=25104014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO941362A NO941362L (no) | 1991-10-18 | 1994-04-15 | Fremgangsmåte og anordning ved kapasitans temperatur kompensasjon |
Country Status (20)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5540086A (en) * | 1994-08-30 | 1996-07-30 | Kavlico Corporation | Oil deterioration sensor |
| US5824889A (en) * | 1997-03-06 | 1998-10-20 | Kavlico Corporation | Capacitive oil deterioration and contamination sensor |
| US5942692A (en) * | 1997-04-10 | 1999-08-24 | Mks Instruments, Inc. | Capacitive pressure sensing method and apparatus avoiding interelectrode capacitance by driving with in-phase excitation signals |
| US5929754A (en) * | 1997-12-03 | 1999-07-27 | Kavlico Corporation | High-sensitivity capacitive oil deterioration and level sensor |
| US6035694A (en) * | 1999-03-12 | 2000-03-14 | I/O Of Austin, Inc. | Method and apparatus for calibration of stray capacitance mismatch in a closed loop electro-mechanical accelerometer |
| US6813954B2 (en) | 2001-05-25 | 2004-11-09 | Panametrics, Inc. | High sensitivity pressure sensor with long term stability |
| US20090015269A1 (en) * | 2007-07-13 | 2009-01-15 | Pinto Gino A | Stray Capacitance Compensation for a Capacitive Sensor |
| JP5136593B2 (ja) * | 2010-05-21 | 2013-02-06 | 横河電機株式会社 | 分析装置 |
| RU208475U1 (ru) * | 2021-09-22 | 2021-12-21 | Акционерное общество "Научно-исследовательский институт физических измерений" | Емкостный датчик давления |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3516132A (en) * | 1968-04-08 | 1970-06-23 | Gen Electric | Process for producing cryogenic capacitors |
| US3519923A (en) * | 1968-04-16 | 1970-07-07 | United Aircraft Corp | Capacitive transducer system independent of stray capacitance |
| US3949280A (en) * | 1975-02-18 | 1976-04-06 | Mitsumi Electric Co., Ltd. | Miniature variable capacitor and method of manufacture |
| US4145619A (en) * | 1976-12-03 | 1979-03-20 | Robertshaw Controls Company | Two wire capacitance transmitter |
| GB2048488B (en) * | 1979-04-26 | 1983-04-27 | Rosemount Eng Co Ltd | Differential pressure sensing apparatus |
| US4370890A (en) * | 1980-10-06 | 1983-02-01 | Rosemount Inc. | Capacitive pressure transducer with isolated sensing diaphragm |
| US4403297A (en) * | 1981-01-02 | 1983-09-06 | Loveland Controls Company | Process control system prover |
| US4392382A (en) * | 1981-03-09 | 1983-07-12 | Motorola Inc. | Linearized electronic capacitive pressure transducer |
| US4386312A (en) * | 1981-04-24 | 1983-05-31 | Setra Systems, Inc. | Linear capacitive sensor system |
| US4626773A (en) * | 1984-10-26 | 1986-12-02 | Exxon Production Research Co. | Method and means for determining rock properties using time-domain dielectric spectroscopy |
| US4763063A (en) * | 1985-07-26 | 1988-08-09 | Allied-Signal Inc. | Compact digital pressure sensor circuitry |
| US4780662A (en) * | 1987-03-16 | 1988-10-25 | Westinghouse Electric Corp. | Determining eccentricity of insulated wire |
| US4816744A (en) * | 1987-05-18 | 1989-03-28 | Laser Metric Systems, Inc. | Method and device for measuring inside diameters using a laser interferometer and capacitance measurements |
| US4961055A (en) * | 1989-01-04 | 1990-10-02 | Vickers, Incorporated | Linear capacitance displacement transducer |
| GB2229004B (en) * | 1989-03-07 | 1993-09-29 | Rolls Royce Plc | Improvements in or relating to gas turbine engine tip clearance sensors |
| US5136250A (en) * | 1989-04-28 | 1992-08-04 | Seagate Technology, Inc. | Capacitance height gauge |
| US5065611A (en) * | 1989-08-15 | 1991-11-19 | The Foxboro Company | System for calibrating the span of pressure measuring instruments |
| US5070302A (en) * | 1989-09-05 | 1991-12-03 | Eastman Kodak Company | Capacitance probe for measuring a width of a clearance between parts |
| DE3933512A1 (de) * | 1989-10-06 | 1991-04-18 | Endress Hauser Gmbh Co | Differenzdruckmessgeraet |
| US5163326A (en) * | 1991-03-08 | 1992-11-17 | Rosemount Inc. | Line pressure compensator for a pressure transducer |
| US5187985A (en) * | 1991-09-19 | 1993-02-23 | Honeywell Inc. | Amplified pressure transducer |
-
1991
- 1991-10-18 US US07/775,311 patent/US5237285A/en not_active Expired - Lifetime
- 1991-11-02 TW TW080108619A patent/TW287284B/zh active
-
1992
- 1992-09-17 IL IL10320992A patent/IL103209A/en not_active IP Right Cessation
- 1992-10-07 MX MX9205753A patent/MX9205753A/es not_active IP Right Cessation
- 1992-10-13 HU HU9401103A patent/HU216666B/hu not_active IP Right Cessation
- 1992-10-13 SG SG1996008507A patent/SG49261A1/en unknown
- 1992-10-13 DE DE69229871T patent/DE69229871D1/de not_active Expired - Lifetime
- 1992-10-13 JP JP50776493A patent/JP3233404B2/ja not_active Expired - Lifetime
- 1992-10-13 RU RU94026263A patent/RU2108556C1/ru active
- 1992-10-13 EP EP92922499A patent/EP0608355B1/en not_active Expired - Lifetime
- 1992-10-13 CA CA002119437A patent/CA2119437A1/en not_active Abandoned
- 1992-10-13 EG EG61892A patent/EG20331A/xx active
- 1992-10-13 WO PCT/US1992/008733 patent/WO1993008479A1/en active IP Right Grant
- 1992-10-13 AU AU27935/92A patent/AU662934B2/en not_active Ceased
- 1992-10-13 BR BR9206643A patent/BR9206643A/pt not_active IP Right Cessation
- 1992-10-13 KR KR1019940701227A patent/KR100196808B1/ko not_active Expired - Fee Related
- 1992-10-14 MY MYPI92001849A patent/MY108023A/en unknown
- 1992-10-16 ZA ZA927996A patent/ZA927996B/xx unknown
-
1993
- 1993-03-17 US US08/032,637 patent/US5281922A/en not_active Expired - Lifetime
-
1994
- 1994-04-15 FI FI941751A patent/FI941751A0/fi unknown
- 1994-04-15 NO NO941362A patent/NO941362L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2793592A (en) | 1993-05-21 |
| HUT68107A (en) | 1995-05-29 |
| DE69229871D1 (de) | 1999-09-30 |
| US5281922A (en) | 1994-01-25 |
| IL103209A (en) | 1994-04-12 |
| TW287284B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1996-10-01 |
| FI941751A7 (fi) | 1994-04-15 |
| IL103209A0 (en) | 1993-02-21 |
| AU662934B2 (en) | 1995-09-21 |
| HK1009985A1 (en) | 1999-06-11 |
| EP0608355A1 (en) | 1994-08-03 |
| EP0608355A4 (en) | 1996-04-10 |
| MX9205753A (es) | 1993-04-01 |
| BR9206643A (pt) | 1995-04-04 |
| FI941751A0 (fi) | 1994-04-15 |
| EP0608355B1 (en) | 1999-08-25 |
| US5237285A (en) | 1993-08-17 |
| JP3233404B2 (ja) | 2001-11-26 |
| MY108023A (en) | 1996-07-30 |
| WO1993008479A1 (en) | 1993-04-29 |
| RU2108556C1 (ru) | 1998-04-10 |
| HU216666B (hu) | 1999-08-30 |
| ZA927996B (en) | 1994-04-18 |
| EG20331A (en) | 1998-10-31 |
| SG49261A1 (en) | 1998-05-18 |
| JPH07500188A (ja) | 1995-01-05 |
| NO941362D0 (no) | 1994-04-15 |
| KR100196808B1 (ko) | 1999-06-15 |
| HU9401103D0 (en) | 1994-08-29 |
| CA2119437A1 (en) | 1993-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FC2A | Withdrawal, rejection or dismissal of laid open patent application |