SE431683B - Anordning for metning av kapacitansen hos en kondensator - Google Patents
Anordning for metning av kapacitansen hos en kondensatorInfo
- Publication number
- SE431683B SE431683B SE7809966A SE7809966A SE431683B SE 431683 B SE431683 B SE 431683B SE 7809966 A SE7809966 A SE 7809966A SE 7809966 A SE7809966 A SE 7809966A SE 431683 B SE431683 B SE 431683B
- Authority
- SE
- Sweden
- Prior art keywords
- capacitor
- phase
- during
- resp
- circuit
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 title claims description 110
- 238000005259 measurement Methods 0.000 claims description 34
- 230000010355 oscillation Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000003472 neutralizing effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000002040 relaxant effect Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7728758A FR2404229A1 (fr) | 1977-09-23 | 1977-09-23 | Dispositif de mesure de capacite d'un condensateur |
| FR7826295A FR2436399A2 (fr) | 1978-09-13 | 1978-09-13 | Perfectionnement a l'inhibition des capacites parasites dans un dispositif de mesure de capacite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7809966L SE7809966L (sv) | 1979-03-24 |
| SE431683B true SE431683B (sv) | 1984-02-20 |
Family
ID=26220231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7809966A SE431683B (sv) | 1977-09-23 | 1978-09-22 | Anordning for metning av kapacitansen hos en kondensator |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4187460A (fr) |
| CA (1) | CA1099340A (fr) |
| DE (1) | DE2842028C3 (fr) |
| GB (1) | GB2006970B (fr) |
| IT (1) | IT1107425B (fr) |
| SE (1) | SE431683B (fr) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4328573A (en) * | 1980-05-12 | 1982-05-04 | Nad International | Precision phonocartridge interface |
| US4387601A (en) * | 1980-07-01 | 1983-06-14 | Hokushin Electric Works, Ltd. | Capacitance type displacement conversion device |
| US4661768A (en) * | 1983-09-14 | 1987-04-28 | Johnson Service Company | Capacitance transducing method and apparatus |
| US4558274A (en) * | 1983-09-14 | 1985-12-10 | Johnson Service Company | Apparatus and method determining the value of a capacitance |
| DE3509507A1 (de) * | 1984-03-17 | 1985-09-19 | Sartorius GmbH, 3400 Göttingen | Schaltungsanordnung fuer einen differentialkondensator-messaufnehmer |
| FI69932C (fi) * | 1984-05-31 | 1986-05-26 | Vaisala Oy | Maetningsfoerfarande foer kapacitanser speciellt foer smao kapacitanser vid vilker man anvaender tvao referenser |
| FI70753C (fi) * | 1984-05-31 | 1987-01-07 | Vaisala Oy | Foerfarande foer maetning av kapacitanser, speciellt smao kapacitanser. |
| FI70485C (fi) * | 1984-10-26 | 1986-09-19 | Vaisala Oy | Maetningsfoerfarande foer impedanser saerskilt smao kapacitanser vid vilket man anvaender en eller flera referenser |
| WO1986007155A1 (fr) * | 1985-05-28 | 1986-12-04 | The Commonwealth Of Australia Care Of The Secretar | Instrument de mesure des capacites de deux corps relies a distance a une sonde par un canal de transmission |
| DE3544187A1 (de) * | 1985-12-13 | 1987-06-19 | Flowtec Ag | Kapazitaetsmessschaltung |
| IL82194A (en) * | 1986-04-23 | 1992-03-29 | Rosemount Inc | Measurement circuit |
| US5083091A (en) * | 1986-04-23 | 1992-01-21 | Rosemount, Inc. | Charged balanced feedback measurement circuit |
| US4791352A (en) * | 1986-07-17 | 1988-12-13 | Rosemount Inc. | Transmitter with vernier measurement |
| US4794320A (en) * | 1987-08-10 | 1988-12-27 | Moore Products Co. | Multi-frequency capacitance sensor |
| US5136251A (en) * | 1988-09-23 | 1992-08-04 | John Fluke Mfg. Co., Inc. | Capacitance measurement |
| DD284752A5 (de) * | 1989-06-06 | 1990-11-21 | ���@��������������@���������a�Kk�� | Schaltungsanordnung zur kapazitiven signalverarbeitung |
| US4987782A (en) * | 1989-10-03 | 1991-01-29 | Allied-Signal Inc. | Capacitive pressure transducer system |
| US5189376A (en) * | 1990-12-17 | 1993-02-23 | Massachusetts Institute Of Technology | Method for the measurment of capacitance, with application to linear measurement of distance |
| FR2675583B1 (fr) * | 1991-04-18 | 1993-08-27 | Marelli Autronica | Procede et dispositif de mesure de condensateur. |
| US5663506A (en) * | 1995-08-21 | 1997-09-02 | Moore Products Co. | Capacitive temperature and pressure transducer |
| US5672808A (en) * | 1996-06-11 | 1997-09-30 | Moore Products Co. | Transducer having redundant pressure sensors |
| US6470083B1 (en) * | 1997-12-24 | 2002-10-22 | Abb Automation Inc. | Telecommunications off-hook and intrusion detection method and apparatus |
| US6307385B1 (en) * | 1997-12-30 | 2001-10-23 | Vibrosystm, Inc. | Capacitance measuring circuit for a capacitive sensor |
| DE19850290C2 (de) * | 1998-10-30 | 2001-10-25 | Rechner Ind Elektronik Gmbh | Schaltungsanordnung zur linearen kapazitiven Messung |
| US6700392B2 (en) | 2001-02-02 | 2004-03-02 | Wayne C. Haase | Digital measurement circuit and system using a grounded capacitive sensor |
| US6516672B2 (en) | 2001-05-21 | 2003-02-11 | Rosemount Inc. | Sigma-delta analog to digital converter for capacitive pressure sensor and process transmitter |
| KR20020094629A (ko) * | 2001-06-12 | 2002-12-18 | (주)유피텍 | 커패시터 미터 |
| KR20090017527A (ko) * | 2006-04-25 | 2009-02-18 | 엑스센서 테크놀로지 코포레이션 | 용량성 매트릭스 압력 변환기에서 용량성 노드 측정 |
| KR100834743B1 (ko) | 2006-12-21 | 2008-06-05 | 삼성전자주식회사 | 커패시턴스 측정 회로 및 그에 따른 커패시턴스 측정 방법 |
| US20100079150A1 (en) * | 2008-09-26 | 2010-04-01 | Jochen Hoffmann | Apparatus for the dynamic detection, selection and deselection of leaking decoupling capacitors |
| TWI381173B (zh) * | 2008-10-29 | 2013-01-01 | Raydium Semiconductor Corp | 電容量測電路及其電容量測方法 |
| US8688393B2 (en) * | 2010-07-29 | 2014-04-01 | Medtronic, Inc. | Techniques for approximating a difference between two capacitances |
| DE102010042477B4 (de) * | 2010-10-14 | 2012-11-22 | E.G.O. Elektro-Gerätebau GmbH | Verfahren und Vorrichtung zum Bestimmen einer Kapazität und/oder einer Kapazitätsänderung eines kapazitiven Sensorelements |
| US9063067B1 (en) | 2010-11-17 | 2015-06-23 | Alvin P. Schmitt | Moisture sensing devices |
| FR2969428B1 (fr) * | 2010-12-21 | 2013-01-04 | St Microelectronics Sa | Commutateur electronique et appareil de communication incluant un tel commutateur |
| NL2007186C2 (nl) * | 2011-07-28 | 2013-01-29 | Fluid Well Instr B V | Voor hoogfrequente storingen ongevoelige capacitieve meetschakeling. |
| US9482641B2 (en) * | 2011-08-12 | 2016-11-01 | National University Corporation Toyohashi University Of Technology | Device and method for detecting chemical and physical phenomena |
| US8933712B2 (en) | 2012-01-31 | 2015-01-13 | Medtronic, Inc. | Servo techniques for approximation of differential capacitance of a sensor |
| US10533966B2 (en) | 2017-07-27 | 2020-01-14 | Taiwan Semiconductor Manufacturing Co., Ltd. | Digital time domain readout circuit for bioFET sensor cascades |
| US10564217B2 (en) * | 2018-05-15 | 2020-02-18 | Arm Limited | Built-in self-test method and apparatus for single-pin crystal oscillators |
| US10620261B2 (en) | 2018-05-15 | 2020-04-14 | Arm Limited Cambridge | Built-in self-test method and apparatus for single-pin crystal oscillators |
| EP3608624B1 (fr) * | 2018-08-06 | 2022-06-29 | Hexagon Technology Center GmbH | Capteur capacitif de distance |
| CN109683024B (zh) * | 2018-12-29 | 2024-02-27 | 中国人民解放军陆军工程大学 | 神经元仿生电路和电容检测系统 |
| WO2024220087A1 (fr) * | 2023-04-21 | 2024-10-24 | Interlink Electronics, Inc. | Appareil d'autodiagnostic pour capteurs à film piézoélectrique |
| CN117606518A (zh) * | 2024-01-23 | 2024-02-27 | 广州中基国威电子科技有限公司 | 一种传感器信号检测方法及电路 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539542B2 (fr) * | 1972-09-21 | 1978-04-06 | ||
| FR2254779B1 (fr) * | 1973-12-18 | 1980-02-08 | Roulements Soc Nouvelle | |
| US4039940A (en) * | 1976-07-30 | 1977-08-02 | General Electric Company | Capacitance sensor |
-
1978
- 1978-09-22 SE SE7809966A patent/SE431683B/sv not_active IP Right Cessation
- 1978-09-22 GB GB7837875A patent/GB2006970B/en not_active Expired
- 1978-09-25 IT IT84136/78A patent/IT1107425B/it active
- 1978-09-25 DE DE2842028A patent/DE2842028C3/de not_active Expired
- 1978-09-25 US US05/945,413 patent/US4187460A/en not_active Expired - Lifetime
- 1978-09-25 CA CA311,976A patent/CA1099340A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT7884136A0 (it) | 1978-09-25 |
| CA1099340A (fr) | 1981-04-14 |
| SE7809966L (sv) | 1979-03-24 |
| GB2006970A (en) | 1979-05-10 |
| US4187460A (en) | 1980-02-05 |
| DE2842028B2 (de) | 1980-03-20 |
| GB2006970B (en) | 1982-03-31 |
| DE2842028A1 (de) | 1979-04-12 |
| IT1107425B (it) | 1985-11-25 |
| DE2842028C3 (de) | 1980-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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