FI934434A0 - Menetelmä ja laitteisto epäsymmetrisen paine-eroanturin takaisinkytkemiseksi - Google Patents

Menetelmä ja laitteisto epäsymmetrisen paine-eroanturin takaisinkytkemiseksi

Info

Publication number
FI934434A0
FI934434A0 FI934434A FI934434A FI934434A0 FI 934434 A0 FI934434 A0 FI 934434A0 FI 934434 A FI934434 A FI 934434A FI 934434 A FI934434 A FI 934434A FI 934434 A0 FI934434 A0 FI 934434A0
Authority
FI
Finland
Prior art keywords
feedback
pressure sensor
differential pressure
asymmetric differential
asymmetric
Prior art date
Application number
FI934434A
Other languages
English (en)
Swedish (sv)
Other versions
FI93580B (fi
FI93580C (fi
Inventor
Tapani Ryhaenen
Original Assignee
Vaisala Oy
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 Vaisala Oy filed Critical Vaisala Oy
Priority to FI934434A priority Critical patent/FI93580C/fi
Publication of FI934434A0 publication Critical patent/FI934434A0/fi
Priority to DE69419100T priority patent/DE69419100T2/de
Priority to EP94307077A priority patent/EP0647840B1/en
Priority to US08/317,358 priority patent/US5641911A/en
Priority to CA002133685A priority patent/CA2133685C/en
Priority to NO943787A priority patent/NO308052B1/no
Priority to JP24387094A priority patent/JP3339974B2/ja
Publication of FI93580B publication Critical patent/FI93580B/fi
Application granted granted Critical
Publication of FI93580C publication Critical patent/FI93580C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/004—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces
    • G01L11/008—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces electrostatic or electromagnetic counterbalancing forces

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FI934434A 1993-10-08 1993-10-08 Menetelmä ja laitteisto epäsymmetrisen paine-eroanturin takaisinkytkemiseksi FI93580C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI934434A FI93580C (fi) 1993-10-08 1993-10-08 Menetelmä ja laitteisto epäsymmetrisen paine-eroanturin takaisinkytkemiseksi
DE69419100T DE69419100T2 (de) 1993-10-08 1994-09-28 Verfahren und Vorrichtung zur Rückkopplungsregelung eines asymmetrischen Differenzdruckwandlers
EP94307077A EP0647840B1 (en) 1993-10-08 1994-09-28 Method and apparatus for feedbackcontrol of an asymmetric differential pressure transducer
US08/317,358 US5641911A (en) 1993-10-08 1994-10-04 Method and apparatus for feedback-control of an asymmetric differential pressure transducer
CA002133685A CA2133685C (en) 1993-10-08 1994-10-05 Method and apparatus for feedback-control of an asymmetric differential pressure transducer
NO943787A NO308052B1 (no) 1993-10-08 1994-10-07 FremgangsmÕte og apparat for tilbakekopling av en asymmetrisk differensialtrykkføler
JP24387094A JP3339974B2 (ja) 1993-10-08 1994-10-07 非対称差圧トランスジューサの帰還制御方法及び装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI934434A FI93580C (fi) 1993-10-08 1993-10-08 Menetelmä ja laitteisto epäsymmetrisen paine-eroanturin takaisinkytkemiseksi
FI934434 1993-10-08

Publications (3)

Publication Number Publication Date
FI934434A0 true FI934434A0 (fi) 1993-10-08
FI93580B FI93580B (fi) 1995-01-13
FI93580C FI93580C (fi) 1995-04-25

Family

ID=8538733

Family Applications (1)

Application Number Title Priority Date Filing Date
FI934434A FI93580C (fi) 1993-10-08 1993-10-08 Menetelmä ja laitteisto epäsymmetrisen paine-eroanturin takaisinkytkemiseksi

Country Status (7)

Country Link
US (1) US5641911A (fi)
EP (1) EP0647840B1 (fi)
JP (1) JP3339974B2 (fi)
CA (1) CA2133685C (fi)
DE (1) DE69419100T2 (fi)
FI (1) FI93580C (fi)
NO (1) NO308052B1 (fi)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102783B1 (fi) * 1994-12-22 1999-02-15 Vaisala Oyj Menetelmä virtausnopeusanturin linearisoimiseksi sekä linearisoitu virtauksen nopeuden mittauslaitteisto
US5817943A (en) * 1997-03-24 1998-10-06 General Electric Company Pressure sensors
FI105237B (fi) * 1998-06-24 2000-06-30 Valtion Teknillinen Piimikromekaaninen vaaka
JP4467027B2 (ja) * 2000-10-30 2010-05-26 ミヤチシステムズ株式会社 電気回路の断線検査方法
US20030098699A1 (en) * 2001-11-16 2003-05-29 Lemkin Mark A. Sense interface system with velocity feed-through rejection
US20050224899A1 (en) * 2002-02-06 2005-10-13 Ramsey Craig C Wireless substrate-like sensor
FR2851368B1 (fr) * 2003-02-18 2008-03-07 Agence Spatiale Europeenne Composants electroniques comportant des condensateurs micro electromecaniques a capacite ajustable
DE60306892T2 (de) * 2003-05-02 2007-08-30 Stmicroelectronics S.R.L., Agrate Brianza Verfahren und Anordnung zur Messung der Kopplungskapazität zwischen zwei Leiterbahnen
US6877382B1 (en) * 2003-10-20 2005-04-12 Robert D Gourlay Inhalation detector
CN101410690B (zh) * 2006-02-21 2011-11-23 赛博光学半导体公司 半导体加工工具中的电容性距离感测
US7893697B2 (en) * 2006-02-21 2011-02-22 Cyberoptics Semiconductor, Inc. Capacitive distance sensing in semiconductor processing tools
KR101388304B1 (ko) 2006-09-29 2014-04-22 싸이버옵틱스 쎄미콘덕터 인코퍼레이티드 기판형 입자 센서
CN100498865C (zh) * 2006-10-20 2009-06-10 沈阳中科博微自动化技术有限公司 压力数字化采集前端
US20080246493A1 (en) * 2007-04-05 2008-10-09 Gardner Delrae H Semiconductor Processing System With Integrated Showerhead Distance Measuring Device
US20090015268A1 (en) * 2007-07-13 2009-01-15 Gardner Delrae H Device and method for compensating a capacitive sensor measurement for variations caused by environmental conditions in a semiconductor processing environment
DE102007062713A1 (de) * 2007-12-27 2009-07-16 Robert Bosch Gmbh Drucksensor und Verfahren zu dessen Kalibrierung
US10420374B2 (en) 2009-09-18 2019-09-24 Altria Client Services Llc Electronic smoke apparatus
EP2343507B1 (fr) * 2009-12-24 2012-11-28 EM Microelectronic-Marin SA Procédé de mesure d'un paramètre physique et circuit électronique d'interface d'un capteur capacitif pour sa mise en oeuvre
US8656772B2 (en) 2010-03-22 2014-02-25 Honeywell International Inc. Flow sensor with pressure output signal
US8616065B2 (en) * 2010-11-24 2013-12-31 Honeywell International Inc. Pressure sensor
US8695417B2 (en) 2011-01-31 2014-04-15 Honeywell International Inc. Flow sensor with enhanced flow range capability
TWI447402B (zh) * 2012-03-05 2014-08-01 Mstar Semiconductor Inc 電容偵測裝置及應用該電容偵測裝置之電容式觸控系統
US9052217B2 (en) 2012-11-09 2015-06-09 Honeywell International Inc. Variable scale sensor
US10309997B2 (en) * 2013-03-15 2019-06-04 Infineon Technologies Ag Apparatus and a method for generating a sensor signal indicating information on a capacitance of a variable capacitor comprising a variable capacitance
US8960010B1 (en) 2013-12-23 2015-02-24 Fresenius Medical Care Holdings, Inc. Automatic detection and adjustment of a pressure pod diaphragm
DE102014201529A1 (de) * 2014-01-28 2015-07-30 Siemens Aktiengesellschaft Verfahren zum Betreiben eines Druckmessumformers sowie Druckmessumformer
US9645029B2 (en) * 2014-04-07 2017-05-09 Infineon Technology Ag Force feedback loop for pressure sensors
MX2017001677A (es) * 2014-09-26 2017-05-09 Fresenius Medical Care Holdings Inc Dispositivo de salida de presion para maquina de hemodialisis extracorporea.
US11511891B2 (en) * 2018-11-19 2022-11-29 Andrew Neil Aurigema System and method for generating forces using asymmetrical electrostatic pressure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1450709A (en) * 1973-12-31 1976-09-29 Birchall D J Pressure transducers
US4434664A (en) * 1981-07-06 1984-03-06 The Bendix Corporation Pressure ratio measurement system
US4584885A (en) * 1984-01-20 1986-04-29 Harry E. Aine Capacitive detector for transducers
FI872049A (fi) * 1987-05-08 1988-11-09 Vaisala Oy Kondensatorkonstruktion foer anvaendning vid tryckgivare.
US5211051A (en) * 1987-11-09 1993-05-18 California Institute Of Technology Methods and apparatus for improving sensor performance
GB8728442D0 (en) * 1987-12-04 1988-01-13 Russell M K Triaxial accelerometers
JPH0672899B2 (ja) * 1988-04-01 1994-09-14 株式会社日立製作所 加速度センサ
US5377524A (en) * 1992-06-22 1995-01-03 The Regents Of The University Of Michigan Self-testing capacitive pressure transducer and method
FI93579C (fi) * 1993-08-20 1995-04-25 Vaisala Oy Sähköstaattisen voiman avulla takaisinkytketty kapasitiivinen anturi ja menetelmä sen aktiivisen elementin muodon ohjaamiseksi

Also Published As

Publication number Publication date
NO943787D0 (no) 1994-10-07
NO943787L (no) 1995-04-10
JP3339974B2 (ja) 2002-10-28
US5641911A (en) 1997-06-24
EP0647840A3 (en) 1996-01-31
CA2133685C (en) 2006-08-15
EP0647840B1 (en) 1999-06-16
DE69419100D1 (de) 1999-07-22
JPH07181094A (ja) 1995-07-18
CA2133685A1 (en) 1995-04-09
FI93580B (fi) 1995-01-13
NO308052B1 (no) 2000-07-10
FI93580C (fi) 1995-04-25
DE69419100T2 (de) 2000-03-30
EP0647840A2 (en) 1995-04-12

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