EG20331A - Method and apparatus for capacitance temperature compensation and manufacturability in adual plate capacitive pressure transmitter - Google Patents

Method and apparatus for capacitance temperature compensation and manufacturability in adual plate capacitive pressure transmitter

Info

Publication number
EG20331A
EG20331A EG61892A EG61892A EG20331A EG 20331 A EG20331 A EG 20331A EG 61892 A EG61892 A EG 61892A EG 61892 A EG61892 A EG 61892A EG 20331 A EG20331 A EG 20331A
Authority
EG
Egypt
Prior art keywords
adual
manufacturability
temperature compensation
pressure transmitter
capacitive pressure
Prior art date
Application number
EG61892A
Other languages
English (en)
Inventor
Lylee E Longren
Brin Seemann
Original Assignee
Rosemount Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rosemount Inc filed Critical Rosemount Inc
Application granted granted Critical
Publication of EG20331A publication Critical patent/EG20331A/xx

Links

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)
EG61892A 1991-10-18 1992-10-13 Method and apparatus for capacitance temperature compensation and manufacturability in adual plate capacitive pressure transmitter EG20331A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
EG20331A true EG20331A (en) 1998-10-31

Family

ID=25104014

Family Applications (1)

Application Number Title Priority Date Filing Date
EG61892A EG20331A (en) 1991-10-18 1992-10-13 Method and apparatus for capacitance temperature compensation and manufacturability in adual plate capacitive pressure transmitter

Country Status (21)

Country Link
US (2) US5237285A (fi)
EP (1) EP0608355B1 (fi)
JP (1) JP3233404B2 (fi)
KR (1) KR100196808B1 (fi)
AU (1) AU662934B2 (fi)
BR (1) BR9206643A (fi)
CA (1) CA2119437A1 (fi)
DE (1) DE69229871D1 (fi)
EG (1) EG20331A (fi)
FI (1) FI941751A0 (fi)
HK (1) HK1009985A1 (fi)
HU (1) HU216666B (fi)
IL (1) IL103209A (fi)
MX (1) MX9205753A (fi)
MY (1) MY108023A (fi)
NO (1) NO941362L (fi)
RU (1) RU2108556C1 (fi)
SG (1) SG49261A1 (fi)
TW (1) TW287284B (fi)
WO (1) WO1993008479A1 (fi)
ZA (1) ZA927996B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
HU216666B (hu) 1999-08-30
EP0608355A1 (en) 1994-08-03
TW287284B (fi) 1996-10-01
EP0608355B1 (en) 1999-08-25
HK1009985A1 (en) 1999-06-11
JP3233404B2 (ja) 2001-11-26
HUT68107A (en) 1995-05-29
SG49261A1 (en) 1998-05-18
DE69229871D1 (de) 1999-09-30
IL103209A0 (en) 1993-02-21
US5281922A (en) 1994-01-25
WO1993008479A1 (en) 1993-04-29
JPH07500188A (ja) 1995-01-05
AU2793592A (en) 1993-05-21
BR9206643A (pt) 1995-04-04
EP0608355A4 (en) 1996-04-10
NO941362L (no) 1994-06-08
MX9205753A (es) 1993-04-01
AU662934B2 (en) 1995-09-21
US5237285A (en) 1993-08-17
MY108023A (en) 1996-07-30
CA2119437A1 (en) 1993-04-29
ZA927996B (en) 1994-04-18
RU2108556C1 (ru) 1998-04-10
HU9401103D0 (en) 1994-08-29
FI941751A (fi) 1994-04-15
KR100196808B1 (ko) 1999-06-15
NO941362D0 (no) 1994-04-15
IL103209A (en) 1994-04-12
FI941751A0 (fi) 1994-04-15

Similar Documents

Publication Publication Date Title
EP0482846A3 (en) Computer controlled system for vending personalized products
AR243679A1 (es) Sensor capacitativo de presion.
EP0345399A3 (en) Method and apparatus for driving capacitive display device
EP0686322A4 (en) METHOD AND APPARATUS FOR OBTAINING A MODIFIED TEMPERATURE COMPENSATION SIGNAL IN A TCXO CIRCUIT
AU2225592A (en) Method and apparatus for validating tickets
EP0501453A3 (en) Combination optical and capacitive absolute position apparatus and method
EP0454610A3 (en) Method and device for concurrency control of shared data updates and queries
EP0527552A3 (en) Method and apparatus for forming books
GB2255219B (en) Liquid-crystal display device and process for producing the same
AR243142A1 (es) Un aparato mejorador para templar una lamina de vidrio relativamente delgada.
GB2214350B (en) Capacitive pressure sensor and method for its fabrication
EP0701235A3 (en) Process and device for the production and use of magnetic security tags
ZA924818B (en) Method of and apparatus for bending glass sheets
EG20331A (en) Method and apparatus for capacitance temperature compensation and manufacturability in adual plate capacitive pressure transmitter
OA09339A (en) Apparatus and method for measuring reservoir pressure changes.
EP0351278A3 (en) Method and apparatus for bending glass sheets
EP0477913A3 (en) Process and apparatus for bend-shaping glass plates
EP0508137A3 (en) Liquid-crystal display device and process for producing the same
EP0463971A3 (en) Method and apparatus for bending and tempering sheets of glass
EP0443536A3 (en) Capacitive data transfer device
HK66896A (en) Apparatus comprising an improved device for clamp-error compensation
GB9100956D0 (en) Method and apparatus for temperature compensation
GB2212281B (en) Apparatus for measuring small capacitance variations
AU5203696A (en) Method and apparatus for liquid sterilising
GB9005848D0 (en) Device for checking till rolls