FI844219A0 - Maetningsfoerfarande foer impedanser, saerskilt smao kapacitanser, vid vilket man anvaender en eller flera referenser. - Google Patents
Maetningsfoerfarande foer impedanser, saerskilt smao kapacitanser, vid vilket man anvaender en eller flera referenser.Info
- Publication number
- FI844219A0 FI844219A0 FI844219A FI844219A FI844219A0 FI 844219 A0 FI844219 A0 FI 844219A0 FI 844219 A FI844219 A FI 844219A FI 844219 A FI844219 A FI 844219A FI 844219 A0 FI844219 A0 FI 844219A0
- Authority
- FI
- Finland
- Prior art keywords
- referenser
- maetningsfoerfarande
- kapacitanser
- impedanser
- anvaender
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/005—Circuits for altering the indicating characteristic, e.g. making it non-linear
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI844219A FI70485C (fi) | 1984-10-26 | 1984-10-26 | Maetningsfoerfarande foer impedanser saerskilt smao kapacitanser vid vilket man anvaender en eller flera referenser |
EP85850329A EP0186635A1 (en) | 1984-10-26 | 1985-10-22 | A method of measuring impedances, particularly low capacitances, by using one or more references |
JP60239238A JPS61112971A (ja) | 1984-10-26 | 1985-10-25 | 1個もしくはそれ以上の基準を用いてインピーダンス、特に低容量を測定するインピーダンス測定方法 |
US06/791,911 US4751654A (en) | 1984-10-26 | 1985-10-28 | Method of and arrangement for measuring impedances in measuring circuits having programmed memory |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI844219 | 1984-10-26 | ||
FI844219A FI70485C (fi) | 1984-10-26 | 1984-10-26 | Maetningsfoerfarande foer impedanser saerskilt smao kapacitanser vid vilket man anvaender en eller flera referenser |
Publications (3)
Publication Number | Publication Date |
---|---|
FI844219A0 true FI844219A0 (fi) | 1984-10-26 |
FI70485B FI70485B (fi) | 1986-03-27 |
FI70485C FI70485C (fi) | 1986-09-19 |
Family
ID=8519794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI844219A FI70485C (fi) | 1984-10-26 | 1984-10-26 | Maetningsfoerfarande foer impedanser saerskilt smao kapacitanser vid vilket man anvaender en eller flera referenser |
Country Status (4)
Country | Link |
---|---|
US (1) | US4751654A (fi) |
EP (1) | EP0186635A1 (fi) |
JP (1) | JPS61112971A (fi) |
FI (1) | FI70485C (fi) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4860232A (en) * | 1987-04-22 | 1989-08-22 | Massachusetts Institute Of Technology | Digital technique for precise measurement of variable capacitance |
JP2670297B2 (ja) * | 1988-06-08 | 1997-10-29 | 株式会社テック | 電気掃除機の基準出力設定方法 |
US5034757A (en) * | 1989-10-02 | 1991-07-23 | Xerox Corporation | LED printing array current control |
JPH04231814A (ja) * | 1990-09-13 | 1992-08-20 | Sumitomo Electric Ind Ltd | 光ファイバジャイロ |
EP0481127B1 (en) * | 1990-10-15 | 1994-03-02 | Roberto Bruttini | A digital and programmable measuring and control instrument, particularly for non-linear signals |
JPH0560712A (ja) * | 1991-09-05 | 1993-03-12 | Nippon Steel Corp | 気体中の水分濃度測定方法 |
US5499023A (en) * | 1992-05-27 | 1996-03-12 | Kaye Instruments, Inc. | Method of and apparatus for automated sensor diagnosis through quantitative measurement of one of sensor-to-earth conductance or loop resistance |
IT1266369B1 (it) * | 1993-05-25 | 1996-12-27 | Weber Srl | Unita' di misura e conversione. |
DE4418176A1 (de) * | 1994-05-25 | 1996-02-15 | Thomson Brandt Gmbh | Meßeinrichtung mit linearer bzw. digitaler Meßwertsignalausgabe für Meßobjekte nichtlinearer Meßwertänderungscharakteristik |
DE59409796D1 (de) * | 1994-11-11 | 2001-08-09 | Endress Hauser Gmbh Co | Anordnung zur Linearisierung und Temperaturkompensation von Sensorsignalen |
US5821742A (en) * | 1994-11-30 | 1998-10-13 | Utility Test Equipment Company | Computerized solid state energy meter test system and method of testing |
CH690202A5 (de) * | 1994-12-27 | 2000-05-31 | Gegauf Fritz Ag | Messanordnung, Messfühlerr für dieselbe und Verfahren zur Herstellung der- bzw. desselben. |
JP3851375B2 (ja) * | 1996-04-18 | 2006-11-29 | アジレント・テクノロジーズ・インク | インピーダンス測定装置 |
US5792938A (en) * | 1996-12-13 | 1998-08-11 | Panametrics, Inc. | Humidity sensor with differential thermal detection and method of sensing |
WO2005033002A2 (en) * | 2003-09-30 | 2005-04-14 | The Research Foundation Of State University Of New York | Device and method of partially separating gas |
DE102005034672A1 (de) * | 2005-07-25 | 2007-02-01 | Siemens Ag | Verfahren zum Betreiben eines digitalen Sensors |
US10018613B2 (en) | 2006-11-16 | 2018-07-10 | General Electric Company | Sensing system and method for analyzing a fluid at an industrial site |
US10914698B2 (en) | 2006-11-16 | 2021-02-09 | General Electric Company | Sensing method and system |
US7911345B2 (en) * | 2008-05-12 | 2011-03-22 | General Electric Company | Methods and systems for calibration of RFID sensors |
JP6031889B2 (ja) * | 2012-08-22 | 2016-11-24 | 富士通株式会社 | 計測装置及び計測方法 |
EP2757352B1 (fr) * | 2013-01-17 | 2015-11-18 | EM Microelectronic-Marin SA | Système de contrôle et méthode de gestion de capteur |
LU100901B1 (en) * | 2018-08-08 | 2020-02-17 | Iee Sa | Method of Compensating Temperature Influence in Capacitive Measurements |
DE112019002572T5 (de) * | 2018-05-23 | 2021-03-11 | Iee International Electronics & Engineering S.A. | Verfahren zur Kompensation eines Temperatureinflusses bei kapazitiven Messungen |
CN117330604B (zh) * | 2023-12-01 | 2024-05-07 | 深圳市城市公共安全技术研究院有限公司 | 自动化温度补偿方法、装置、计算机设备及存储介质 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2591600A (en) * | 1948-11-26 | 1952-04-01 | Washington Inst Of Technology | Radiosonde calibration method |
US2753547A (en) * | 1954-03-02 | 1956-07-03 | Applied Science Corp Of Prince | Compensated data transmission |
US3480857A (en) * | 1967-12-27 | 1969-11-25 | Ibm | Digital method and apparatus for measuring small inductances and capacitances |
US3735371A (en) * | 1971-06-02 | 1973-05-22 | Sun Oil Co Pennsylvania | Arrangement for multiplexing of a plurality of remotely-located capacitive probes |
US3750155A (en) * | 1971-08-03 | 1973-07-31 | Johnson Service Co | Temperature monitoring circuit |
US4342089A (en) * | 1976-09-02 | 1982-07-27 | Genrad, Inc. | Method of and apparatus for automatic measurement of circuit parameters with microprocessor calculation techniques |
CH615503A5 (fi) * | 1977-02-08 | 1980-01-31 | Zumbach Electronic Ag | |
GB2006970B (en) * | 1977-09-23 | 1982-03-31 | Testut Aequitas | Capacitance measuring device |
FI54664C (fi) * | 1977-10-14 | 1979-01-10 | Vaisala Oy | Elektronisk omkopplingstroemstaellare i synnerhet foer telemeteranvaendning i sonder |
US4192005A (en) * | 1977-11-21 | 1980-03-04 | Kulite Semiconductor Products, Inc. | Compensated pressure transducer employing digital processing techniques |
US4195349A (en) * | 1978-01-26 | 1980-03-25 | Lynes, Inc. | Self calibrating environmental condition sensing and recording apparatus |
US4187459A (en) * | 1978-02-13 | 1980-02-05 | Automatic Systems Laboratories Limited | Digital measurement of impedance ratios |
US4295091B1 (en) * | 1978-10-12 | 1995-08-15 | Vaisala Oy | Circuit for measuring low capacitances |
CA1144986A (en) * | 1980-08-20 | 1983-04-19 | Canadian General Electric Company Limited | Frequency determining apparatus |
US4405990A (en) * | 1981-05-26 | 1983-09-20 | Caterpillar Tractor Co. | Apparatus for determining the ratio of two signal repetition rates |
JPS5829096A (ja) * | 1981-08-13 | 1983-02-21 | 株式会社東芝 | プロセス変数伝送器 |
US4481514A (en) * | 1982-03-09 | 1984-11-06 | Beukers Laboratories, Inc. | Microprocessor based radiosonde |
US4546441A (en) * | 1982-07-22 | 1985-10-08 | John Burch | Method and apparatus for time based measurement of impedance |
US4593370A (en) * | 1982-07-26 | 1986-06-03 | Hayati Balkanli | Environmental measuring and recording apparatus |
US4598381A (en) * | 1983-03-24 | 1986-07-01 | Rosemount Inc. | Pressure compensated differential pressure sensor and method |
US4592002A (en) * | 1983-12-13 | 1986-05-27 | Honeywell Inc. | Method of digital temperature compensation and a digital data handling system utilizing the same |
-
1984
- 1984-10-26 FI FI844219A patent/FI70485C/fi not_active IP Right Cessation
-
1985
- 1985-10-22 EP EP85850329A patent/EP0186635A1/en not_active Withdrawn
- 1985-10-25 JP JP60239238A patent/JPS61112971A/ja active Pending
- 1985-10-28 US US06/791,911 patent/US4751654A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS61112971A (ja) | 1986-05-30 |
EP0186635A1 (en) | 1986-07-02 |
FI70485B (fi) | 1986-03-27 |
US4751654A (en) | 1988-06-14 |
FI70485C (fi) | 1986-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: VAISALA OY |