ITTO20010699A0 - Metodo e circuito di rilevamento di spostamenti tramite sensori micro-elettro-meccanici con compensazione di capacita' parassite e di movime - Google Patents

Metodo e circuito di rilevamento di spostamenti tramite sensori micro-elettro-meccanici con compensazione di capacita' parassite e di movime

Info

Publication number
ITTO20010699A0
ITTO20010699A0 IT2001TO000699A ITTO20010699A ITTO20010699A0 IT TO20010699 A0 ITTO20010699 A0 IT TO20010699A0 IT 2001TO000699 A IT2001TO000699 A IT 2001TO000699A IT TO20010699 A ITTO20010699 A IT TO20010699A IT TO20010699 A0 ITTO20010699 A0 IT TO20010699A0
Authority
IT
Italy
Prior art keywords
electro
movements
micro
detection
circuit
Prior art date
Application number
IT2001TO000699A
Other languages
English (en)
Inventor
Andrea Baschirotto
Ernesto Lasalandra
Tommaso Ungaretti
Original Assignee
St Microelectronics Srl
Hewlett Packard Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by St Microelectronics Srl, Hewlett Packard Co filed Critical St Microelectronics Srl
Priority to IT2001TO000699A priority Critical patent/ITTO20010699A1/it
Publication of ITTO20010699A0 publication Critical patent/ITTO20010699A0/it
Priority to DE60236055T priority patent/DE60236055D1/de
Priority to US10/198,721 priority patent/US6753691B2/en
Priority to EP02015859A priority patent/EP1278068B1/en
Priority to JP2002208618A priority patent/JP2003177142A/ja
Publication of ITTO20010699A1 publication Critical patent/ITTO20010699A1/it

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/241Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
    • G01D5/2417Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying separation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/06Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for operation by a null method
    • G01D3/066Balancing a force which represents the measuring value, by means of a reference force
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08Measuring 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
    • G01P15/125Measuring 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 capacitive pick-up
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08Measuring 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
    • G01P15/13Measuring 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
    • G01P15/131Measuring 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08Measuring 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
    • G01P2015/0805Measuring 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
    • G01P2015/0808Measuring 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 in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate
    • G01P2015/0811Measuring 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 in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate for one single degree of freedom of movement of the mass
    • G01P2015/0814Measuring 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 in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate for one single degree of freedom of movement of the mass for translational movement of the mass, e.g. shuttle type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Gyroscopes (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
IT2001TO000699A 2001-07-17 2001-07-17 Metodo e circuito di rilevamento di spostamenti tramite sensori micro-elettro-meccanici con compensazione di capacita' parassite e di movime ITTO20010699A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT2001TO000699A ITTO20010699A1 (it) 2001-07-17 2001-07-17 Metodo e circuito di rilevamento di spostamenti tramite sensori micro-elettro-meccanici con compensazione di capacita' parassite e di movime
DE60236055T DE60236055D1 (de) 2001-07-17 2002-07-16 Verfahren und Schaltung zur Erfassung von Verschiebungen mittels mikro-elektromechanischer Sensoren mit Kompensation von parasitären Kapazitäten
US10/198,721 US6753691B2 (en) 2001-07-17 2002-07-16 Method and circuit for detecting displacements using micro-electromechanical sensors with compensation of parasitic capacitances and spurious displacements
EP02015859A EP1278068B1 (en) 2001-07-17 2002-07-16 Method and circuit for detecting displacements using microelectromechanical sensors with compensation of parasitic capacitances
JP2002208618A JP2003177142A (ja) 2001-07-17 2002-07-17 寄生容量およびスプリアス変位の補償を伴うマイクロ・エレクトロ・メカニカル・センサを使用して変位を検出する方法および回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001TO000699A ITTO20010699A1 (it) 2001-07-17 2001-07-17 Metodo e circuito di rilevamento di spostamenti tramite sensori micro-elettro-meccanici con compensazione di capacita' parassite e di movime

Publications (2)

Publication Number Publication Date
ITTO20010699A0 true ITTO20010699A0 (it) 2001-07-17
ITTO20010699A1 ITTO20010699A1 (it) 2003-01-17

Family

ID=11459059

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2001TO000699A ITTO20010699A1 (it) 2001-07-17 2001-07-17 Metodo e circuito di rilevamento di spostamenti tramite sensori micro-elettro-meccanici con compensazione di capacita' parassite e di movime

Country Status (5)

Country Link
US (1) US6753691B2 (it)
EP (1) EP1278068B1 (it)
JP (1) JP2003177142A (it)
DE (1) DE60236055D1 (it)
IT (1) ITTO20010699A1 (it)

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RU2296301C1 (ru) * 2005-09-23 2007-03-27 Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт "Электроприбор" Способ измерения перемещения подвижной массы микромеханического гироскопа по оси вторичных колебаний и устройство для реализации данного способа
EP1790988B1 (en) 2005-11-29 2017-01-18 STMicroelectronics Srl Detection circuit using a differential capacitive sensor with input-common-mode control in a sense interface
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JP3874366B1 (ja) * 2006-03-16 2007-01-31 株式会社パワーシステム キャパシタ蓄電装置
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DE102009000743B4 (de) * 2009-02-10 2024-01-18 Robert Bosch Gmbh Vibrationskompensation für Drehratensensoren
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Also Published As

Publication number Publication date
US20030052699A1 (en) 2003-03-20
EP1278068A2 (en) 2003-01-22
JP2003177142A (ja) 2003-06-27
US6753691B2 (en) 2004-06-22
EP1278068A3 (en) 2003-08-20
ITTO20010699A1 (it) 2003-01-17
EP1278068B1 (en) 2010-04-21
DE60236055D1 (de) 2010-06-02

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