ATE280951T1 - Kapazitätsmess-schaltung - Google Patents
Kapazitätsmess-schaltungInfo
- Publication number
- ATE280951T1 ATE280951T1 AT02704634T AT02704634T ATE280951T1 AT E280951 T1 ATE280951 T1 AT E280951T1 AT 02704634 T AT02704634 T AT 02704634T AT 02704634 T AT02704634 T AT 02704634T AT E280951 T1 ATE280951 T1 AT E280951T1
- Authority
- AT
- Austria
- Prior art keywords
- measuring circuit
- capacitance measuring
- capacitance
- series connection
- series
- Prior art date
Links
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
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 |
---|---|---|---|
DKPA200100450 | 2001-03-16 | ||
PCT/DK2002/000173 WO2002075331A1 (en) | 2001-03-16 | 2002-03-14 | Capacitance measuring circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE280951T1 true ATE280951T1 (de) | 2004-11-15 |
Family
ID=8160375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02704634T ATE280951T1 (de) | 2001-03-16 | 2002-03-14 | Kapazitätsmess-schaltung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060158200A1 (de) |
EP (1) | EP1386173B1 (de) |
AT (1) | ATE280951T1 (de) |
DE (1) | DE60201751T2 (de) |
WO (1) | WO2002075331A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7570065B2 (en) | 2006-03-01 | 2009-08-04 | Loadstar Sensors Inc | Cylindrical capacitive force sensing device and method |
EP1794792A4 (de) | 2004-09-29 | 2010-02-17 | Loadstar Sensors Inc | Abstandsänderungserfassung durch kapazitive techniken |
US7343814B2 (en) | 2006-04-03 | 2008-03-18 | Loadstar Sensors, Inc. | Multi-zone capacitive force sensing device and methods |
EP2344896A1 (de) * | 2008-11-02 | 2011-07-20 | Siemens Aktiengesellschaft | Kapazitätsmessschaltung eines stromsensors |
GB201011785D0 (en) * | 2010-07-13 | 2010-08-25 | Oxford Rf Sensors Ltd | Permittivity sensor |
DE102011004645A1 (de) * | 2011-02-24 | 2012-08-30 | Siemens Aktiengesellschaft | Schaltungsanordnung zur Messung einer Kapazität, sowie Verwendung einer derartigen Schaltungsanordnung |
US8947107B2 (en) * | 2012-09-17 | 2015-02-03 | Semtech Corporation | Capacitance measurement of high voltage device |
FR3072176B1 (fr) * | 2017-10-10 | 2022-03-04 | Fogale Nanotech | Dispositif de mesure d'impedance |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4347740A (en) * | 1979-11-13 | 1982-09-07 | Magnetrol International, Incorporated | Capacitive level sensing device |
US4737706A (en) * | 1984-08-24 | 1988-04-12 | Eilersen Nils Age J | Capacitance measuring circuit |
DE4135990C1 (en) * | 1990-12-06 | 1992-12-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | Capacitance-frequency converter with offset compensation - has third changeover switch connected to compensating capacitor for switching to different potentials |
DE4135991C1 (en) * | 1990-12-06 | 1992-12-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | Capacitance-frequency converter producing rectangular pulse train signal - has two changeover switches connected to respective plates of capacitor for connection to different potentials |
DE4039006C1 (de) * | 1990-12-06 | 1992-03-12 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | |
US5136262A (en) * | 1991-12-13 | 1992-08-04 | Sentech Corporation | Oscillator circuit and method for measuring capacitance and small changes in capacitance |
US5148126A (en) * | 1991-12-13 | 1992-09-15 | Sentech Corporation | Capacitance sensor circuit and method for measuring capacitance and small changes in capacitance |
US5461321A (en) * | 1993-09-17 | 1995-10-24 | Penberthy, Inc. | Apparatus and method for measuring capacitance from the duration of a charge-discharge charge cycle |
US5424650A (en) * | 1993-09-24 | 1995-06-13 | Rosemont Inc. | Capacitive pressure sensor having circuitry for eliminating stray capacitance |
US6316948B1 (en) * | 1998-07-01 | 2001-11-13 | Setra Systems, Inc. | Charge balance network with floating ground capacitive sensing |
DE19833211C2 (de) * | 1998-07-23 | 2000-05-31 | Siemens Ag | Verfahren zur Bestimmung sehr kleiner Kapazitäten und Verwendung |
US6191723B1 (en) * | 1999-07-22 | 2001-02-20 | Fluke Corporation | Fast capacitance measurement |
DE10001129A1 (de) * | 2000-01-13 | 2001-07-26 | Infineon Technologies Ag | Schaltungsanordnung zur Kapazitätsmessung von Strukturen in einer integrierten Schaltung |
-
2002
- 2002-03-14 US US10/476,931 patent/US20060158200A1/en not_active Abandoned
- 2002-03-14 WO PCT/DK2002/000173 patent/WO2002075331A1/en not_active Application Discontinuation
- 2002-03-14 AT AT02704634T patent/ATE280951T1/de not_active IP Right Cessation
- 2002-03-14 EP EP02704634A patent/EP1386173B1/de not_active Expired - Lifetime
- 2002-03-14 DE DE60201751T patent/DE60201751T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60201751T2 (de) | 2006-02-09 |
WO2002075331A1 (en) | 2002-09-26 |
US20060158200A1 (en) | 2006-07-20 |
EP1386173B1 (de) | 2004-10-27 |
DE60201751D1 (de) | 2004-12-02 |
EP1386173A1 (de) | 2004-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |