FI884562L - Mittauspiiri - Google Patents

Mittauspiiri Download PDF

Info

Publication number
FI884562L
FI884562L FI884562A FI884562A FI884562L FI 884562 L FI884562 L FI 884562L FI 884562 A FI884562 A FI 884562A FI 884562 A FI884562 A FI 884562A FI 884562 L FI884562 L FI 884562L
Authority
FI
Finland
Prior art keywords
measuring circuit
measuring
circuit
Prior art date
Application number
FI884562A
Other languages
English (en)
Swedish (sv)
Other versions
FI884562A0 (fi
FI96144C (fi
FI96144B (fi
Inventor
Roger L Frick
John P Schulte
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25320538&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI884562(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rosemount Inc filed Critical Rosemount Inc
Publication of FI884562A0 publication Critical patent/FI884562A0/fi
Publication of FI884562L publication Critical patent/FI884562L/fi
Application granted granted Critical
Publication of FI96144B publication Critical patent/FI96144B/fi
Publication of FI96144C publication Critical patent/FI96144C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/24—Arrangements for measuring quantities of charge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • 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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Radiation (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Cookers (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
FI884562A 1986-04-23 1988-10-04 Mittauspiiri FI96144C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US85517886A 1986-04-23 1986-04-23
US85517886 1986-04-23
PCT/US1987/000834 WO1987006711A1 (en) 1986-04-23 1987-04-16 Measurement circuit
US8700834 1987-04-16

Publications (4)

Publication Number Publication Date
FI884562A0 FI884562A0 (fi) 1988-10-04
FI884562L true FI884562L (fi) 1988-10-04
FI96144B FI96144B (fi) 1996-01-31
FI96144C FI96144C (fi) 1996-05-10

Family

ID=25320538

Family Applications (1)

Application Number Title Priority Date Filing Date
FI884562A FI96144C (fi) 1986-04-23 1988-10-04 Mittauspiiri

Country Status (23)

Country Link
EP (1) EP0303615B2 (fi)
JP (1) JP2640748B2 (fi)
KR (1) KR960011538B1 (fi)
CN (2) CN1016217B (fi)
AT (1) ATE87747T1 (fi)
AU (1) AU597067B2 (fi)
BR (1) BR8707676A (fi)
CA (1) CA1296923C (fi)
DE (1) DE3785203T3 (fi)
DK (1) DK172364B1 (fi)
ES (1) ES2005176A6 (fi)
FI (1) FI96144C (fi)
HK (1) HK102893A (fi)
HU (1) HU210496B (fi)
IL (1) IL82194A (fi)
IN (1) IN169603B (fi)
MX (1) MX165723B (fi)
MY (1) MY102916A (fi)
NO (1) NO175556C (fi)
RU (1) RU2133969C1 (fi)
WO (1) WO1987006711A1 (fi)
YU (1) YU73587A (fi)
ZA (1) ZA872875B (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878012A (en) * 1988-06-10 1989-10-31 Rosemount Inc. Charge balanced feedback transmitter
FR2682768A1 (fr) * 1991-10-21 1993-04-23 Otic Fischer & Porter Methodes de conversion de rapports d'impedances applicables aux appareils de mesure, notamment aux transmetteurs de pression industriels, et leurs dispositifs de mise en óoeuvre.
US5329818A (en) * 1992-05-28 1994-07-19 Rosemount Inc. Correction of a pressure indication in a pressure transducer due to variations of an environmental condition
JP2006329778A (ja) * 2005-05-25 2006-12-07 Mitsubishi Electric Corp 容量検出回路
DE102009056838A1 (de) * 2009-12-03 2011-06-09 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Spannungsmessung
KR101053424B1 (ko) * 2010-04-22 2011-08-02 서울대학교산학협력단 캐패시티브 마이크로폰의 신호 검출 방법 및 이를 구현한 회로 시스템
DE102012210004B4 (de) * 2012-06-14 2014-11-06 Robert Bosch Gmbh Balkendetektor mit Regelschaltung
US9374545B2 (en) * 2013-09-13 2016-06-21 BAE Systems Imaging Solutions Inc. Amplifier adapted for CMOS imaging sensors
RU183764U1 (ru) * 2017-09-04 2018-10-02 Общество с ограниченной ответственностью "РосСпецМонтажАвтоматика" Универсальный автономный беспроводной измеритель-коммутатор контроллеров и датчиков с цифровыми и аналоговыми выходами
RU2694789C1 (ru) * 2018-08-24 2019-07-16 Общество с ограниченной ответственностью "РосСпецМонтажАвтоматика" Универсальный автономный беспроводной измеритель-коммутатор контроллеров и датчиков с цифровыми и аналоговыми выходами
US20240009385A1 (en) * 2020-11-27 2024-01-11 Medtrum Technologies Inc. Driving structure of a drug infusion device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539542B2 (fi) * 1972-09-21 1978-04-06
US4086528A (en) * 1975-09-17 1978-04-25 United Kingdom Atomic Energy Authority Capacitive transducers
US4093915A (en) * 1976-01-12 1978-06-06 Setra Systems, Inc. Capacitance measuring system
US4054833A (en) * 1976-06-11 1977-10-18 Setra Systems, Inc. Capacitance measuring system
US4114090A (en) * 1976-08-17 1978-09-12 Imasco Limited Electronic moisture meter
GB2006970B (en) * 1977-09-23 1982-03-31 Testut Aequitas Capacitance measuring device
US4166974A (en) * 1978-01-23 1979-09-04 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for measuring capacitive energy
US4187459A (en) * 1978-02-13 1980-02-05 Automatic Systems Laboratories Limited Digital measurement of impedance ratios
US4370890A (en) * 1980-10-06 1983-02-01 Rosemount Inc. Capacitive pressure transducer with isolated sensing diaphragm
US4381677A (en) * 1981-01-23 1983-05-03 Rosemount Inc. Reactance measurement circuit
JPS58200119A (ja) * 1982-05-18 1983-11-21 Matsushita Electric Ind Co Ltd 圧力センサ装置
US4633168A (en) * 1984-11-30 1986-12-30 Borg-Warner Corporation Measuring system for determining the reactance ratio of a pair of reactive devices

Also Published As

Publication number Publication date
CA1296923C (en) 1992-03-10
EP0303615B2 (en) 2006-01-11
DK683887D0 (da) 1987-12-23
IN169603B (fi) 1991-11-23
HUT52879A (en) 1990-08-28
ATE87747T1 (de) 1993-04-15
IL82194A (en) 1992-03-29
MY102916A (en) 1993-03-31
DE3785203T3 (de) 2006-09-21
EP0303615A1 (en) 1989-02-22
MX165723B (es) 1992-12-02
NO175556B (no) 1994-07-18
HK102893A (en) 1993-10-08
WO1987006711A1 (en) 1987-11-05
DK172364B1 (da) 1998-04-14
YU73587A (en) 1990-06-30
DK683887A (da) 1987-12-23
ZA872875B (en) 1988-04-27
DE3785203D1 (de) 1993-05-06
CN1064947A (zh) 1992-09-30
BR8707676A (pt) 1989-08-15
NO175556C (no) 1994-10-26
KR960011538B1 (ko) 1996-08-23
ES2005176A6 (es) 1989-03-01
IL82194A0 (en) 1987-10-30
CN1016217B (zh) 1992-04-08
JPH01502449A (ja) 1989-08-24
FI884562A0 (fi) 1988-10-04
CN1026616C (zh) 1994-11-16
HU210496B (en) 1995-04-28
NO875401L (no) 1987-12-22
AU7356587A (en) 1987-11-24
DE3785203T2 (de) 1993-08-19
FI96144C (fi) 1996-05-10
EP0303615B1 (en) 1993-03-31
FI96144B (fi) 1996-01-31
EP0303615A4 (en) 1988-12-19
AU597067B2 (en) 1990-05-24
JP2640748B2 (ja) 1997-08-13
KR880701381A (ko) 1988-07-26
NO875401D0 (no) 1987-12-22
RU2133969C1 (ru) 1999-07-27
CN87102941A (zh) 1988-04-13

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed

Owner name: ROSEMOUNT INC.