GB2183040B - Transducer - Google Patents

Transducer

Info

Publication number
GB2183040B
GB2183040B GB8528422A GB8528422A GB2183040B GB 2183040 B GB2183040 B GB 2183040B GB 8528422 A GB8528422 A GB 8528422A GB 8528422 A GB8528422 A GB 8528422A GB 2183040 B GB2183040 B GB 2183040B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
transducer
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
Application number
GB8528422A
Other versions
GB2183040A (en )
Inventor
David Wilson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
STC PLC
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
Grant date

Links

Classifications

    • 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
    • G01P15/0802Details
    • 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
    • G01P15/12Measuring 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 alteration of electrical resistance
    • 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
    • G01P15/18Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions
GB8528422A 1985-11-19 1985-11-19 Transducer Expired - Fee Related GB2183040B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8528422A GB2183040B (en) 1985-11-19 1985-11-19 Transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8528422A GB2183040B (en) 1985-11-19 1985-11-19 Transducer

Publications (2)

Publication Number Publication Date
GB2183040A true GB2183040A (en) 1987-05-28
GB2183040B true GB2183040B (en) 1990-02-07

Family

ID=10588412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8528422A Expired - Fee Related GB2183040B (en) 1985-11-19 1985-11-19 Transducer

Country Status (1)

Country Link
GB (1) GB2183040B (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331852A (en) 1991-09-11 1994-07-26 The Charles Stark Draper Laboratory, Inc. Electromagnetic rebalanced micromechanical transducer
US5349855A (en) 1992-04-07 1994-09-27 The Charles Stark Draper Laboratory, Inc. Comb drive micromechanical tuning fork gyro
US5408877A (en) 1992-03-16 1995-04-25 The Charles Stark Draper Laboratory, Inc. Micromechanical gyroscopic transducer with improved drive and sense capabilities
US5507911A (en) 1990-10-17 1996-04-16 The Charles Stark Draper Laboratory, Inc. Monolithic micromechanical vibrating string accelerometer with trimmable resonant frequency
US5635639A (en) 1991-09-11 1997-06-03 The Charles Stark Draper Laboratory, Inc. Micromechanical tuning fork angular rate sensor
US5635739A (en) 1990-02-14 1997-06-03 The Charles Stark Draper Laboratory, Inc. Micromechanical angular accelerometer with auxiliary linear accelerometer
US5646348A (en) 1994-08-29 1997-07-08 The Charles Stark Draper Laboratory, Inc. Micromechanical sensor with a guard band electrode and fabrication technique therefor
US5650568A (en) 1993-02-10 1997-07-22 The Charles Stark Draper Laboratory, Inc. Gimballed vibrating wheel gyroscope having strain relief features
US5725729A (en) 1994-09-26 1998-03-10 The Charles Stark Draper Laboratory, Inc. Process for micromechanical fabrication
US5760305A (en) 1990-10-17 1998-06-02 The Charles Stark Draper Laboratory, Inc. Monolithic micromechanical vibrating beam accelerometer with trimmable resonant frequency
US5767405A (en) 1992-04-07 1998-06-16 The Charles Stark Draper Laboratory, Inc. Comb-drive micromechanical tuning fork gyroscope with piezoelectric readout
US5783973A (en) 1997-02-24 1998-07-21 The Charles Stark Draper Laboratory, Inc. Temperature insensitive silicon oscillator and precision voltage reference formed therefrom
US5817942A (en) 1996-02-28 1998-10-06 The Charles Stark Draper Laboratory, Inc. Capacitive in-plane accelerometer
US5892153A (en) 1996-11-21 1999-04-06 The Charles Stark Draper Laboratory, Inc. Guard bands which control out-of-plane sensitivities in tuning fork gyroscopes and other sensors
US5911156A (en) 1997-02-24 1999-06-08 The Charles Stark Draper Laboratory, Inc. Split electrode to minimize charge transients, motor amplitude mismatch errors, and sensitivity to vertical translation in tuning fork gyros and other devices
US5952574A (en) 1997-04-29 1999-09-14 The Charles Stark Draper Laboratory, Inc. Trenches to reduce charging effects and to control out-of-plane sensitivities in tuning fork gyroscopes and other sensors
US8187902B2 (en) 2008-07-09 2012-05-29 The Charles Stark Draper Laboratory, Inc. High performance sensors and methods for forming the same

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63252257A (en) * 1986-11-20 1988-10-19 Aisin Seiki Co Ltd Acceleration detector
DE3816628C2 (en) * 1987-09-30 1990-07-26 Aisin Seiki K.K., Kariya, Aichi, Jp
JPH077012B2 (en) * 1987-08-18 1995-01-30 富士通株式会社 Acceleration sensor
US5126812A (en) * 1990-02-14 1992-06-30 The Charles Stark Draper Laboratory, Inc. Monolithic micromechanical accelerometer
US5195371A (en) * 1988-01-13 1993-03-23 The Charles Stark Draper Laboratory, Inc. Semiconductor chip transducer
US5216490A (en) * 1988-01-13 1993-06-01 Charles Stark Draper Laboratory, Inc. Bridge electrodes for microelectromechanical devices
JP2681215B2 (en) * 1989-05-29 1997-11-26 株式会社ワコー Method of manufacturing a sensor using a laminated substrate
US5060526A (en) * 1989-05-30 1991-10-29 Schlumberger Industries, Inc. Laminated semiconductor sensor with vibrating element
US5129983A (en) * 1991-02-25 1992-07-14 The Charles Stark Draper Laboratory, Inc. Method of fabrication of large area micromechanical devices
US5203208A (en) * 1991-04-29 1993-04-20 The Charles Stark Draper Laboratory Symmetrical micromechanical gyroscope
EP0601983A3 (en) * 1992-11-12 1994-08-31 Bofors Ab

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342227A (en) * 1980-12-24 1982-08-03 International Business Machines Corporation Planar semiconductor three direction acceleration detecting device and method of fabrication
US4430895A (en) * 1982-02-02 1984-02-14 Rockwell International Corporation Piezoresistive accelerometer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342227A (en) * 1980-12-24 1982-08-03 International Business Machines Corporation Planar semiconductor three direction acceleration detecting device and method of fabrication
US4430895A (en) * 1982-02-02 1984-02-14 Rockwell International Corporation Piezoresistive accelerometer

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5635739A (en) 1990-02-14 1997-06-03 The Charles Stark Draper Laboratory, Inc. Micromechanical angular accelerometer with auxiliary linear accelerometer
US5760305A (en) 1990-10-17 1998-06-02 The Charles Stark Draper Laboratory, Inc. Monolithic micromechanical vibrating beam accelerometer with trimmable resonant frequency
US5969250A (en) 1990-10-17 1999-10-19 The Charles Stark Draper Laboratory, Inc. Micromechanical accelerometer having a peripherally suspended proof mass
US5507911A (en) 1990-10-17 1996-04-16 The Charles Stark Draper Laboratory, Inc. Monolithic micromechanical vibrating string accelerometer with trimmable resonant frequency
US5635639A (en) 1991-09-11 1997-06-03 The Charles Stark Draper Laboratory, Inc. Micromechanical tuning fork angular rate sensor
US5505084A (en) 1991-09-11 1996-04-09 The Charles Stark Draper Laboratory, Inc. Micromechanical tuning fork angular rate sensor
US5331852A (en) 1991-09-11 1994-07-26 The Charles Stark Draper Laboratory, Inc. Electromagnetic rebalanced micromechanical transducer
US5515724A (en) 1992-03-16 1996-05-14 The Charles Stark Draper Laboratory, Inc. Micromechanical gyroscopic transducer with improved drive and sense capabilities
US5408877A (en) 1992-03-16 1995-04-25 The Charles Stark Draper Laboratory, Inc. Micromechanical gyroscopic transducer with improved drive and sense capabilities
US5349855A (en) 1992-04-07 1994-09-27 The Charles Stark Draper Laboratory, Inc. Comb drive micromechanical tuning fork gyro
US5496436A (en) 1992-04-07 1996-03-05 The Charles Stark Draper Laboratory, Inc. Comb drive micromechanical tuning fork gyro fabrication method
US5767405A (en) 1992-04-07 1998-06-16 The Charles Stark Draper Laboratory, Inc. Comb-drive micromechanical tuning fork gyroscope with piezoelectric readout
US5650568A (en) 1993-02-10 1997-07-22 The Charles Stark Draper Laboratory, Inc. Gimballed vibrating wheel gyroscope having strain relief features
US5646348A (en) 1994-08-29 1997-07-08 The Charles Stark Draper Laboratory, Inc. Micromechanical sensor with a guard band electrode and fabrication technique therefor
US5725729A (en) 1994-09-26 1998-03-10 The Charles Stark Draper Laboratory, Inc. Process for micromechanical fabrication
US5817942A (en) 1996-02-28 1998-10-06 The Charles Stark Draper Laboratory, Inc. Capacitive in-plane accelerometer
US5892153A (en) 1996-11-21 1999-04-06 The Charles Stark Draper Laboratory, Inc. Guard bands which control out-of-plane sensitivities in tuning fork gyroscopes and other sensors
US5783973A (en) 1997-02-24 1998-07-21 The Charles Stark Draper Laboratory, Inc. Temperature insensitive silicon oscillator and precision voltage reference formed therefrom
US5911156A (en) 1997-02-24 1999-06-08 The Charles Stark Draper Laboratory, Inc. Split electrode to minimize charge transients, motor amplitude mismatch errors, and sensitivity to vertical translation in tuning fork gyros and other devices
US5952574A (en) 1997-04-29 1999-09-14 The Charles Stark Draper Laboratory, Inc. Trenches to reduce charging effects and to control out-of-plane sensitivities in tuning fork gyroscopes and other sensors
US8187902B2 (en) 2008-07-09 2012-05-29 The Charles Stark Draper Laboratory, Inc. High performance sensors and methods for forming the same

Also Published As

Publication number Publication date Type
GB2183040A (en) 1987-05-28 application

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041119