DE69404337T2 - Kapazitiver Beschleunigungsmesser mit Schaltung zur Korrektur des störender Einflusses parasitärer Kapazitäten - Google Patents
Kapazitiver Beschleunigungsmesser mit Schaltung zur Korrektur des störender Einflusses parasitärer KapazitätenInfo
- Publication number
- DE69404337T2 DE69404337T2 DE69404337T DE69404337T DE69404337T2 DE 69404337 T2 DE69404337 T2 DE 69404337T2 DE 69404337 T DE69404337 T DE 69404337T DE 69404337 T DE69404337 T DE 69404337T DE 69404337 T2 DE69404337 T2 DE 69404337T2
- Authority
- DE
- Germany
- Prior art keywords
- correct
- circuit
- parasitic capacitances
- disturbing influence
- capacitive accelerometer
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/13—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position
- G01P15/131—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electrostatic counterbalancing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pressure Sensors (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9300752A FR2700614B1 (fr) | 1993-01-19 | 1993-01-19 | Accéléromètre capacitif à circuit de correction de l'effet perturbateur de capacités parasites. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69404337D1 DE69404337D1 (de) | 1997-09-04 |
DE69404337T2 true DE69404337T2 (de) | 1997-11-20 |
Family
ID=9443366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69404337T Expired - Fee Related DE69404337T2 (de) | 1993-01-19 | 1994-01-17 | Kapazitiver Beschleunigungsmesser mit Schaltung zur Korrektur des störender Einflusses parasitärer Kapazitäten |
Country Status (5)
Country | Link |
---|---|
US (1) | US5600066A (de) |
EP (1) | EP0613012B1 (de) |
JP (1) | JPH06281669A (de) |
DE (1) | DE69404337T2 (de) |
FR (1) | FR2700614B1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5576483A (en) * | 1993-10-01 | 1996-11-19 | Hysitron Incorporated | Capacitive transducer with electrostatic actuation |
FR2724463B1 (fr) * | 1994-09-12 | 1996-12-13 | Sagem | Procede de mesure d'une acceleration par un capteur a armature mobile et capteur d'acceleration pour mettre en oeuvre le procede |
JP2586406B2 (ja) * | 1994-10-27 | 1997-02-26 | 日本電気株式会社 | 静電容量型加速度センサ |
JP3216455B2 (ja) * | 1994-12-22 | 2001-10-09 | 株式会社村田製作所 | 容量型静電サーボ加速度センサ |
US5808198A (en) * | 1997-05-19 | 1998-09-15 | The Charles Stark Draper Laboratory, Inc. | RF balanced capacitive vibration sensor system |
DE19730443A1 (de) * | 1997-07-16 | 1999-01-21 | Deutsch Zentr Luft & Raumfahrt | Mikromechanische Vorrichtung |
US6035694A (en) * | 1999-03-12 | 2000-03-14 | I/O Of Austin, Inc. | Method and apparatus for calibration of stray capacitance mismatch in a closed loop electro-mechanical accelerometer |
DE19929767C2 (de) * | 1999-06-29 | 2002-06-13 | Litef Gmbh | Beschleunigungsmeßeinrichtung |
US6386032B1 (en) | 1999-08-26 | 2002-05-14 | Analog Devices Imi, Inc. | Micro-machined accelerometer with improved transfer characteristics |
US6868726B2 (en) * | 2000-01-20 | 2005-03-22 | Analog Devices Imi, Inc. | Position sensing with improved linearity |
US6879056B2 (en) * | 2000-12-29 | 2005-04-12 | Intel Corporation | Converting sensed signals |
KR100444235B1 (ko) * | 2002-12-10 | 2004-08-16 | 삼성전기주식회사 | 자기 및 가속도 동시 검출 방법 및 장치 |
JP4515821B2 (ja) * | 2004-05-25 | 2010-08-04 | ルネサスエレクトロニクス株式会社 | 駆動回路、動作状態検出回路及び表示装置 |
EP2002213B1 (de) * | 2006-03-29 | 2012-07-11 | Rosemount, Inc. | Kapazitätsmessschaltung |
JP2009097932A (ja) * | 2007-10-15 | 2009-05-07 | Freescale Semiconductor Inc | 容量型検出装置 |
US8499630B2 (en) * | 2008-03-31 | 2013-08-06 | Intel Corporation | Piezoelectric sensor dynamic range improvement |
DE102008023535B4 (de) * | 2008-05-14 | 2011-05-12 | Texas Instruments Deutschland Gmbh | Elektronische Vorrichtung und Verfahren zur Auswertung einer variablen Kapazität |
DE102009026496B4 (de) * | 2009-05-27 | 2022-04-28 | Robert Bosch Gmbh | Kompensationskapazität für einen kapazitiven Sensor |
US8322216B2 (en) * | 2009-09-22 | 2012-12-04 | Duli Yu | Micromachined accelerometer with monolithic electrodes and method of making the same |
US9032777B2 (en) * | 2011-09-16 | 2015-05-19 | Robert Bosch Gmbh | Linearity enhancement of capacitive transducers by auto-calibration using on-chip neutralization capacitors and linear actuation |
US8890045B2 (en) * | 2012-03-01 | 2014-11-18 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Optical encoder with a current regulating circuit for a light emitter |
US10309997B2 (en) * | 2013-03-15 | 2019-06-04 | Infineon Technologies Ag | Apparatus and a method for generating a sensor signal indicating information on a capacitance of a variable capacitor comprising a variable capacitance |
US20140372074A1 (en) * | 2013-06-14 | 2014-12-18 | Memsic, Inc. | Tip-over sensor |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3877313A (en) * | 1973-07-23 | 1975-04-15 | Singer Co | Electrostatic accelerometer |
US4009607A (en) * | 1975-12-24 | 1977-03-01 | The Bendix Corporation | Force measuring system including combined electrostatic sensing and torquing means |
FR2454103A1 (fr) * | 1979-04-11 | 1980-11-07 | Sagem | Perfectionnements aux accelerometres pendulaires asservis |
US4353254A (en) * | 1980-12-18 | 1982-10-12 | The Singer Company | Control circuit for electro-static accelerometer |
FR2617607B1 (fr) * | 1987-06-30 | 1989-12-01 | Applic Gles Electrici Meca | Accelerometre pendulaire a reequilibrage et procede de fabrication d'un tel accelerometre |
DE3831593A1 (de) * | 1988-09-15 | 1990-03-22 | Siemens Ag | Schaltungsanordnung mit einer einer mechanischen verstimmung ausgesetzten differentialkondensator-anordnung |
JPH0623782B2 (ja) * | 1988-11-15 | 1994-03-30 | 株式会社日立製作所 | 静電容量式加速度センサ及び半導体圧力センサ |
US5277053A (en) * | 1990-04-25 | 1994-01-11 | Litton Systems, Inc. | Square law controller for an electrostatic force balanced accelerometer |
US5142921A (en) * | 1990-10-29 | 1992-09-01 | Litton Systems, Inc. | Force balance instrument with electrostatic charge control |
US5343766A (en) * | 1992-02-25 | 1994-09-06 | C & J Industries, Inc. | Switched capacitor transducer |
FR2689627B1 (fr) * | 1992-04-07 | 1997-06-20 | Sextant Avionique | Perfectionnement aux micro-capteurs pendulaires asservis. |
-
1993
- 1993-01-19 FR FR9300752A patent/FR2700614B1/fr not_active Expired - Fee Related
-
1994
- 1994-01-17 EP EP94410002A patent/EP0613012B1/de not_active Expired - Lifetime
- 1994-01-17 DE DE69404337T patent/DE69404337T2/de not_active Expired - Fee Related
- 1994-01-19 JP JP6017753A patent/JPH06281669A/ja not_active Withdrawn
-
1995
- 1995-09-01 US US08/522,224 patent/US5600066A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0613012A1 (de) | 1994-08-31 |
DE69404337D1 (de) | 1997-09-04 |
FR2700614A1 (fr) | 1994-07-22 |
EP0613012B1 (de) | 1997-07-23 |
US5600066A (en) | 1997-02-04 |
FR2700614B1 (fr) | 1995-04-14 |
JPH06281669A (ja) | 1994-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |