IT1140852B - Perfezionamento agli accelerometri pendolari asserviti - Google Patents
Perfezionamento agli accelerometri pendolari asservitiInfo
- Publication number
- IT1140852B IT1140852B IT21302/80A IT2130280A IT1140852B IT 1140852 B IT1140852 B IT 1140852B IT 21302/80 A IT21302/80 A IT 21302/80A IT 2130280 A IT2130280 A IT 2130280A IT 1140852 B IT1140852 B IT 1140852B
- Authority
- IT
- Italy
- Prior art keywords
- pendular
- accelerometers
- served
- improvement
- served pendular
- Prior art date
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
-
- 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
- G01P2015/0805—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 being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration
- G01P2015/0822—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 being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass
- G01P2015/0825—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 being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass
- G01P2015/0828—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 being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass the mass being of the paddle type being suspended at one of its longitudinal ends
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Pressure Sensors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7909213A FR2454103A1 (fr) | 1979-04-11 | 1979-04-11 | Perfectionnements aux accelerometres pendulaires asservis |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8021302A0 IT8021302A0 (it) | 1980-04-10 |
IT1140852B true IT1140852B (it) | 1986-10-10 |
Family
ID=9224227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21302/80A IT1140852B (it) | 1979-04-11 | 1980-04-10 | Perfezionamento agli accelerometri pendolari asserviti |
Country Status (6)
Country | Link |
---|---|
US (1) | US4345474A (it) |
CA (1) | CA1131930A (it) |
DE (1) | DE3014038C2 (it) |
FR (1) | FR2454103A1 (it) |
GB (1) | GB2047902B (it) |
IT (1) | IT1140852B (it) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4353254A (en) * | 1980-12-18 | 1982-10-12 | The Singer Company | Control circuit for electro-static accelerometer |
CH642461A5 (fr) * | 1981-07-02 | 1984-04-13 | Centre Electron Horloger | Accelerometre. |
US4522553A (en) * | 1982-09-13 | 1985-06-11 | Deere & Company | Combine power boost system |
US4538069A (en) * | 1983-10-28 | 1985-08-27 | Control Data Corporation | Capacitance height gage applied in reticle position detection system for electron beam lithography apparatus |
US4634965A (en) * | 1984-12-31 | 1987-01-06 | Sundstrand Data Control, Inc. | Charge balancing detection circuit |
FR2580389B2 (fr) * | 1985-04-16 | 1989-03-03 | Sfena | Accelerometre micro-usine a rappel electrostatique |
US4744249A (en) * | 1985-07-25 | 1988-05-17 | Litton Systems, Inc. | Vibrating accelerometer-multisensor |
US4679434A (en) * | 1985-07-25 | 1987-07-14 | Litton Systems, Inc. | Integrated force balanced accelerometer |
US4736629A (en) * | 1985-12-20 | 1988-04-12 | Silicon Designs, Inc. | Micro-miniature accelerometer |
FR2592491B1 (fr) * | 1985-12-31 | 1988-02-12 | Onera (Off Nat Aerospatiale) | Accelerometre triaxial electrostatique avec double liaison electrique a la masse d'epreuve |
FR2617607B1 (fr) * | 1987-06-30 | 1989-12-01 | Applic Gles Electrici Meca | Accelerometre pendulaire a reequilibrage et procede de fabrication d'un tel accelerometre |
US4987780A (en) * | 1987-11-16 | 1991-01-29 | Litton Systems, Inc. | Integrated accelerometer assembly |
GB8805266D0 (en) * | 1988-03-04 | 1988-04-07 | Marconi Co Ltd | Angular displacement sensor |
JPH0672899B2 (ja) * | 1988-04-01 | 1994-09-14 | 株式会社日立製作所 | 加速度センサ |
DE3831593A1 (de) * | 1988-09-15 | 1990-03-22 | Siemens Ag | Schaltungsanordnung mit einer einer mechanischen verstimmung ausgesetzten differentialkondensator-anordnung |
US4987779A (en) * | 1989-02-28 | 1991-01-29 | United Technologies Corporation | Pulse-driven accelerometer arrangement |
US4945773A (en) * | 1989-03-06 | 1990-08-07 | Ford Motor Company | Force transducer etched from silicon |
US5045152A (en) * | 1989-03-06 | 1991-09-03 | Ford Motor Company | Force transducer etched from silicon |
CA1322107C (en) * | 1989-06-07 | 1993-09-14 | Henry C. Abbink | Integrated accelerometer assembly |
DE69116435T2 (de) * | 1990-05-30 | 1996-08-14 | Hitachi Automotive Eng | Halbleiterbeschleunigungsmesser und Kraftfahrzeugsteuerungssystem mit einem solchen |
US5142921A (en) * | 1990-10-29 | 1992-09-01 | Litton Systems, Inc. | Force balance instrument with electrostatic charge control |
US5177331A (en) * | 1991-07-05 | 1993-01-05 | Delco Electronics Corporation | Impact detector |
EP0539889A3 (en) * | 1991-10-30 | 1993-07-28 | Steinbichler, Hans, Dr. | Micromechanical actuator |
JP2765316B2 (ja) * | 1991-11-21 | 1998-06-11 | 日本電気株式会社 | 容量型三軸加速度センサ |
DE9205416U1 (de) * | 1992-04-21 | 1993-05-19 | Kampfrath, Gerit, Dr. | Dynamischer Beschleunigungssensor |
FR2700614B1 (fr) * | 1993-01-19 | 1995-04-14 | Sextant Avionique | Accéléromètre capacitif à circuit de correction de l'effet perturbateur de capacités parasites. |
US5399980A (en) * | 1993-11-12 | 1995-03-21 | Alliedsignal Inc. | Capacitive measuring circuit |
US5481914A (en) * | 1994-03-28 | 1996-01-09 | The Charles Stark Draper Laboratory, Inc. | Electronics for coriolis force and other sensors |
US5703292A (en) * | 1994-03-28 | 1997-12-30 | The Charles Stark Draper Laboratory, Inc. | Sensor having an off-frequency drive scheme and a sense bias generator utilizing tuned circuits |
US5488865A (en) * | 1994-08-15 | 1996-02-06 | Alliedsignal Inc. | Wide-band servo accelerometer with flat leaf flexure suspension |
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 |
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 |
EP1183555A4 (en) * | 1999-03-17 | 2003-03-05 | Input Output Inc | hydrophone |
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 |
US7114366B1 (en) | 2000-03-16 | 2006-10-03 | Input / Output Inc. | Sensor |
KR100382766B1 (ko) * | 2001-07-02 | 2003-05-09 | 삼성전자주식회사 | 커패시턴스 변화량 측정 장치 및 방법 |
US7047808B2 (en) * | 2003-02-28 | 2006-05-23 | Bae Systems Plc | Accelerometer |
US6904805B2 (en) * | 2003-06-03 | 2005-06-14 | Cherry Corporation | Accelerometer |
US6922063B2 (en) * | 2003-07-11 | 2005-07-26 | Zircon Corporation | Apparatus and method for capacitive level sensor |
US7334474B2 (en) * | 2005-01-07 | 2008-02-26 | Litton Systems, Inc. | Force balanced instrument system and method for mitigating errors |
US7552637B2 (en) * | 2006-09-19 | 2009-06-30 | Honeywell International Inc. | Torque driving circuit |
US20120090393A1 (en) * | 2010-06-18 | 2012-04-19 | Baolab Microsystems Sl | Unstable electrostatic spring accelerometer |
US9291638B2 (en) * | 2012-01-20 | 2016-03-22 | Mcube, Inc. | Substrate curvature compensation methods and apparatus |
FR3002324B1 (fr) * | 2013-02-19 | 2016-01-22 | Sagem Defense Securite | Capteur a accelerometre pendulaire electrostatique et procede de commande d'un tel capteur |
FR3005165B1 (fr) * | 2013-04-26 | 2015-04-24 | Sagem Defense Securite | Dispositif d'acquisition differentielle de courant et procede de commande d'un tel dispositif d'acquisition |
FR3105428B1 (fr) * | 2019-12-20 | 2021-11-26 | Safran Electronics & Defense | Capteur accélérométrique pendulaire à détection capacitive conditionnelle |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3229530A (en) * | 1960-12-12 | 1966-01-18 | North American Aviation Inc | Accelerometer |
US3209601A (en) * | 1962-08-16 | 1965-10-05 | Gen Precision Inc | Quartz accelerometer |
FR1535985A (fr) * | 1966-10-03 | 1968-08-09 | Gen Precision Inc | Accéléromètre sous miniaturisé, à un seul axe |
US3673873A (en) * | 1969-10-23 | 1972-07-04 | North American Rockwell | Sensing instrument having a cantilevered proof mass |
US3742347A (en) * | 1971-08-25 | 1973-06-26 | Atomic Energy Authority Uk | Shaft movement differential pressure measuring apparatus embodying capacitive transducers |
DE2326233C2 (de) * | 1973-05-23 | 1986-02-06 | Hans-Werner Dr.-Ing. 6382 Friedrichsdorf Fischer | Verfahren zur Linearisierung der selbsttätigen elektrostatischen Kraftkompensation |
US3877313A (en) * | 1973-07-23 | 1975-04-15 | Singer Co | Electrostatic accelerometer |
CH588069A5 (it) * | 1975-02-27 | 1977-05-31 | Wyler Ag | |
US4009607A (en) * | 1975-12-24 | 1977-03-01 | The Bendix Corporation | Force measuring system including combined electrostatic sensing and torquing means |
US4043204A (en) * | 1976-08-16 | 1977-08-23 | The United States Of America As Represented By The Secretary Of The Army | Magnetic fluid bearing accelerometer |
US4102202A (en) * | 1976-11-26 | 1978-07-25 | The Singer Company | Electrostatic accelerometer |
-
1979
- 1979-04-11 FR FR7909213A patent/FR2454103A1/fr active Granted
-
1980
- 1980-04-09 US US06/138,731 patent/US4345474A/en not_active Expired - Lifetime
- 1980-04-10 GB GB8011897A patent/GB2047902B/en not_active Expired
- 1980-04-10 IT IT21302/80A patent/IT1140852B/it active
- 1980-04-11 CA CA349,629A patent/CA1131930A/en not_active Expired
- 1980-04-11 DE DE3014038A patent/DE3014038C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1131930A (en) | 1982-09-21 |
DE3014038A1 (de) | 1980-10-23 |
FR2454103A1 (fr) | 1980-11-07 |
DE3014038C2 (de) | 1986-09-25 |
US4345474A (en) | 1982-08-24 |
FR2454103B1 (it) | 1982-06-18 |
GB2047902A (en) | 1980-12-03 |
GB2047902B (en) | 1983-09-28 |
IT8021302A0 (it) | 1980-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960430 |