JP4870889B2 - 高度に構成可能な容量性トランスデューサインターフェイス回路 - Google Patents
高度に構成可能な容量性トランスデューサインターフェイス回路 Download PDFInfo
- Publication number
- JP4870889B2 JP4870889B2 JP2001533437A JP2001533437A JP4870889B2 JP 4870889 B2 JP4870889 B2 JP 4870889B2 JP 2001533437 A JP2001533437 A JP 2001533437A JP 2001533437 A JP2001533437 A JP 2001533437A JP 4870889 B2 JP4870889 B2 JP 4870889B2
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- capacitive
- circuit
- capacitance
- capacitor array
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
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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
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15983299P | 1999-10-15 | 1999-10-15 | |
| US60/159,832 | 1999-10-15 | ||
| PCT/US2000/041207 WO2001031351A1 (en) | 1999-10-15 | 2000-10-16 | Highly configurable capacitive transducer interface circuit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004500557A JP2004500557A (ja) | 2004-01-08 |
| JP2004500557A5 JP2004500557A5 (enExample) | 2010-02-12 |
| JP4870889B2 true JP4870889B2 (ja) | 2012-02-08 |
Family
ID=22574257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001533437A Expired - Fee Related JP4870889B2 (ja) | 1999-10-15 | 2000-10-16 | 高度に構成可能な容量性トランスデューサインターフェイス回路 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1224478A4 (enExample) |
| JP (1) | JP4870889B2 (enExample) |
| WO (1) | WO2001031351A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005140657A (ja) * | 2003-11-07 | 2005-06-02 | Denso Corp | 静電容量型センサの容量変化検出回路 |
| EP1548409A1 (en) * | 2003-12-23 | 2005-06-29 | Dialog Semiconductor GmbH | Differential capacitance measurement |
| US7368923B2 (en) * | 2005-12-22 | 2008-05-06 | Honeywell International Inc. | Time interval trimmed differential capacitance sensor |
| GB0605717D0 (en) | 2006-03-21 | 2006-05-03 | Univ Sussex | Electric potential sensor |
| EP2177880A1 (en) | 2008-10-16 | 2010-04-21 | Dialog Imaging Systems GmbH | Distance measurement with capacitive sensor |
| DE102009026496B4 (de) | 2009-05-27 | 2022-04-28 | Robert Bosch Gmbh | Kompensationskapazität für einen kapazitiven Sensor |
| EP2653846A1 (en) * | 2012-04-18 | 2013-10-23 | Nxp B.V. | Sensor circuit and a method of calibration |
| EP2653845B1 (en) | 2012-04-18 | 2015-07-15 | Nxp B.V. | Sensor circuit and calibration method |
| MX341070B (es) * | 2012-06-01 | 2016-08-04 | Smiths Detection - Watford Ltd | Amplificador de transimpedancia capacitiva con desfase. |
| CN115580287B (zh) * | 2022-09-23 | 2025-10-03 | 上海交通大学 | 一种基于开关电容的可重构传感器接口电路 |
| DE102024201241A1 (de) * | 2024-02-12 | 2025-08-14 | Robert Bosch Gesellschaft mit beschränkter Haftung | Sensorsystem mit einer Ausleseschaltung und Verfahren zum Betrieb eines Sensorsystems mit einer Ausleseschaltung |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0191529B1 (en) * | 1985-02-13 | 1991-11-27 | Philips Electronics Uk Limited | Electrical filter |
| US5557267A (en) * | 1993-04-23 | 1996-09-17 | Ade Corporation | Apparatus and methods for measurement system calibration |
| US5537109A (en) * | 1993-05-28 | 1996-07-16 | General Scanning, Inc. | Capacitive transducing with feedback |
| JP3216955B2 (ja) * | 1994-05-31 | 2001-10-09 | 株式会社日立製作所 | 容量式センサ装置 |
| JPH08327392A (ja) * | 1995-05-30 | 1996-12-13 | Seikosha Co Ltd | 静電容量型センサ |
| JP3265942B2 (ja) * | 1995-09-01 | 2002-03-18 | 株式会社村田製作所 | 微少容量検出回路 |
| US5670887A (en) * | 1996-04-17 | 1997-09-23 | Mitutoyo Corporation | Method and apparatus for fast sampling in capacitive position transducers |
| DE19625666C1 (de) * | 1996-06-26 | 1998-01-15 | Siemens Ag | Ausleseschaftung und kapazitiv messender Senser |
-
2000
- 2000-10-16 EP EP00982671A patent/EP1224478A4/en not_active Withdrawn
- 2000-10-16 JP JP2001533437A patent/JP4870889B2/ja not_active Expired - Fee Related
- 2000-10-16 WO PCT/US2000/041207 patent/WO2001031351A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP1224478A1 (en) | 2002-07-24 |
| EP1224478A4 (en) | 2004-05-19 |
| WO2001031351A1 (en) | 2001-05-03 |
| JP2004500557A (ja) | 2004-01-08 |
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