IT1132979B - Trasduttore di pressione capacitivo e relativo dispositivo di valutazione - Google Patents

Trasduttore di pressione capacitivo e relativo dispositivo di valutazione

Info

Publication number
IT1132979B
IT1132979B IT24775/80A IT2477580A IT1132979B IT 1132979 B IT1132979 B IT 1132979B IT 24775/80 A IT24775/80 A IT 24775/80A IT 2477580 A IT2477580 A IT 2477580A IT 1132979 B IT1132979 B IT 1132979B
Authority
IT
Italy
Prior art keywords
pressure transducer
evaluation device
capacitive pressure
related evaluation
capacitive
Prior art date
Application number
IT24775/80A
Other languages
English (en)
Other versions
IT8024775A0 (it
Inventor
Rainer Burkel
Fernando Manuel Piteira
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of IT8024775A0 publication Critical patent/IT8024775A0/it
Application granted granted Critical
Publication of IT1132979B publication Critical patent/IT1132979B/it

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
    • 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
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
IT24775/80A 1979-09-21 1980-09-19 Trasduttore di pressione capacitivo e relativo dispositivo di valutazione IT1132979B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792938205 DE2938205A1 (de) 1979-09-21 1979-09-21 Kapazitiver druckgeber und auswerteeinrichtung hierfuer

Publications (2)

Publication Number Publication Date
IT8024775A0 IT8024775A0 (it) 1980-09-19
IT1132979B true IT1132979B (it) 1986-07-09

Family

ID=6081461

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24775/80A IT1132979B (it) 1979-09-21 1980-09-19 Trasduttore di pressione capacitivo e relativo dispositivo di valutazione

Country Status (7)

Country Link
JP (1) JPS5654331A (it)
BR (1) BR8005996A (it)
DE (1) DE2938205A1 (it)
FR (1) FR2466012A1 (it)
GB (1) GB2059071B (it)
IT (1) IT1132979B (it)
SE (1) SE8006587L (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3128032A1 (de) * 1981-07-16 1983-02-03 Robert Bosch Gmbh, 7000 Stuttgart Anordnung zur erfassung eines druckes
DE3337978C2 (de) * 1983-10-19 1987-01-15 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Vorrichtung zum Messen eines Druckes und eines zeitlichen Druckverlaufs
FI842307A7 (fi) * 1984-06-07 1985-12-08 Vaisala Oy Menetelmä läpiviennin aikaansaamiseksi mikromekaaniseen rakenteeseen.
US4658358A (en) * 1984-06-13 1987-04-14 Battelle Memorial Institute Underwater computer
FI75426C (fi) * 1984-10-11 1988-06-09 Vaisala Oy Absoluttryckgivare.
US4617606A (en) * 1985-01-31 1986-10-14 Motorola, Inc. Capacitive pressure transducer
DE3523104A1 (de) * 1985-06-28 1987-01-22 Leybold Heraeus Gmbh & Co Kg Anordnung mit einer messelektrode, der in festen abstaenden eine erste und eine zweite felderzeugende elektrode zugeordnet sind
US4982351A (en) * 1986-05-05 1991-01-01 Texas Instruments Incorporated Low cost high precision sensor
US4951236A (en) * 1986-05-05 1990-08-21 Texas Instruments Incorporated Low cost high precision sensor
US5051937A (en) * 1986-05-05 1991-09-24 Texas Instruments Incorporated Low cost high precision sensor
US4774626A (en) * 1986-05-05 1988-09-27 Texas Instruments Incorporated Pressure sensor with improved capacitive pressure transducer
US4716492A (en) * 1986-05-05 1987-12-29 Texas Instruments Incorporated Pressure sensor with improved capacitive pressure transducer
US4872945A (en) * 1986-06-25 1989-10-10 Motorola Inc. Post seal etching of transducer diaphragm
DE3638978C2 (de) * 1986-11-14 1996-04-25 Teves Gmbh Alfred Elektrohydraulische Vorrichtung zur kontinuierlichen Überwachung des Druckes in einer hydraulischen Kraftfahrzeug-Bremsanlage
JPS6438546U (it) * 1987-09-02 1989-03-08
JPH0743625Y2 (ja) * 1987-10-13 1995-10-09 株式会社トーキン 静電容量式荷重センサ
JPH0542353Y2 (it) * 1987-11-13 1993-10-26
JPH0750685Y2 (ja) * 1987-11-19 1995-11-15 株式会社トーキン 静電容量式荷重センサー
JPH01136041A (ja) * 1987-11-24 1989-05-29 Tokin Corp 静電容量式荷重センサ
JPH086275Y2 (ja) * 1987-12-19 1996-02-21 株式会社トーキン 静電容量式荷重センサ
JPH076499Y2 (ja) * 1988-09-16 1995-02-15 株式会社トーキン 高安定型静電容量式荷重検出装置
DE3912217A1 (de) * 1989-04-13 1990-10-18 Endress Hauser Gmbh Co Drucksensor
FR2775075B1 (fr) 1998-02-18 2000-05-05 Theobald Sa A Capteur de pression differentielle
DE102008034350A1 (de) * 2008-07-23 2010-02-11 Continental Automotive Gmbh Sensormembran für einen Drucksensor sowie Herstellungsverfahren dafür

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993939A (en) * 1975-01-07 1976-11-23 The Bendix Corporation Pressure variable capacitor
US4168517A (en) * 1977-11-10 1979-09-18 Lee Shih Y Capacitive pressure transducer

Also Published As

Publication number Publication date
FR2466012A1 (fr) 1981-03-27
SE8006587L (sv) 1981-03-22
GB2059071B (en) 1983-07-06
GB2059071A (en) 1981-04-15
FR2466012B1 (it) 1984-10-19
DE2938205A1 (de) 1981-04-09
IT8024775A0 (it) 1980-09-19
JPS5654331A (en) 1981-05-14
BR8005996A (pt) 1981-03-31

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