GB2262343A - A vibrator for use in a vibratory gyroscope - Google Patents

A vibrator for use in a vibratory gyroscope Download PDF

Info

Publication number
GB2262343A
GB2262343A GB9301204A GB9301204A GB2262343A GB 2262343 A GB2262343 A GB 2262343A GB 9301204 A GB9301204 A GB 9301204A GB 9301204 A GB9301204 A GB 9301204A GB 2262343 A GB2262343 A GB 2262343A
Authority
GB
United Kingdom
Prior art keywords
piezoelectric elements
vibrating body
driving
vibrator
piezoelectric element
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.)
Granted
Application number
GB9301204A
Other languages
English (en)
Other versions
GB9301204D0 (en
GB2262343B (ko
Inventor
Takeshi Nakamura
Keiichi Okano
Yoshiko Morishita
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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
Priority claimed from JP20238588A external-priority patent/JPH063454B2/ja
Priority claimed from JP4480689A external-priority patent/JPH0695099B2/ja
Priority claimed from JP4480789A external-priority patent/JP2536132B2/ja
Priority claimed from JP8939889A external-priority patent/JP2531021B2/ja
Priority claimed from JP8939789A external-priority patent/JPH063455B2/ja
Priority claimed from JP1089396A external-priority patent/JP2748145B2/ja
Priority claimed from JP11543689A external-priority patent/JP2508264B2/ja
Priority claimed from JP11543789A external-priority patent/JP2652704B2/ja
Priority claimed from JP14777989A external-priority patent/JP2531266B2/ja
Priority claimed from JP14778289A external-priority patent/JP2741620B2/ja
Priority claimed from GB8918103A external-priority patent/GB2223309B/en
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB9301204D0 publication Critical patent/GB9301204D0/en
Publication of GB2262343A publication Critical patent/GB2262343A/en
Publication of GB2262343B publication Critical patent/GB2262343B/en
Application granted granted Critical
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G01C19/5642Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating bars or beams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G01C19/5642Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating bars or beams
    • G01C19/5663Manufacturing; Trimming; Mounting; Housings
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/04Acoustic filters ; Acoustic resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Gyroscopes (AREA)
GB9301204A 1988-08-12 1993-01-22 A vibrator for use in a vibratory gyroscope Granted GB2262343A (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
JP20238588A JPH063454B2 (ja) 1988-08-12 1988-08-12 振動ジャイロ
JP4480689A JPH0695099B2 (ja) 1989-02-25 1989-02-25 振動ジャイロ
JP4480789A JP2536132B2 (ja) 1989-02-25 1989-02-25 発振回路
JP1089396A JP2748145B2 (ja) 1989-04-06 1989-04-06 差動増幅回路
JP8939789A JPH063455B2 (ja) 1989-04-06 1989-04-06 振動ジャイロ
JP8939889A JP2531021B2 (ja) 1989-04-06 1989-04-06 振動子
JP11543789A JP2652704B2 (ja) 1989-05-08 1989-05-08 振動子
JP11543689A JP2508264B2 (ja) 1989-05-08 1989-05-08 振動ジャイロ
JP14777989A JP2531266B2 (ja) 1989-06-09 1989-06-09 振動子の支持構造
JP14778289A JP2741620B2 (ja) 1989-06-09 1989-06-09 振動子の支持構造
GB8918103A GB2223309B (en) 1988-08-12 1989-08-08 Vibrator and vibratory gyroscope using the same

Publications (3)

Publication Number Publication Date
GB9301204D0 GB9301204D0 (en) 1993-03-17
GB2262343A true GB2262343A (en) 1993-06-16
GB2262343B GB2262343B (ko) 1993-08-25

Family

ID=27581663

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9301204A Granted GB2262343A (en) 1988-08-12 1993-01-22 A vibrator for use in a vibratory gyroscope
GB9301203A Granted GB2262342A (en) 1988-08-12 1993-01-22 A vibrator for use in a vibratory gyroscope

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9301203A Granted GB2262342A (en) 1988-08-12 1993-01-22 A vibrator for use in a vibratory gyroscope

Country Status (1)

Country Link
GB (2) GB2262343A (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0629839A1 (en) * 1993-06-21 1994-12-21 Murata Manufacturing Co., Ltd. Adjusting apparatus of vibrating gyroscope
GB2292611A (en) * 1994-08-24 1996-02-28 Mitsubishi Electric Corp An oscillation gyro and inspection apparatus therefor
EP1031814A1 (en) * 1998-09-10 2000-08-30 Matsushita Electric Industrial Co., Ltd. Angular speed sensor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0629839A1 (en) * 1993-06-21 1994-12-21 Murata Manufacturing Co., Ltd. Adjusting apparatus of vibrating gyroscope
GB2292611A (en) * 1994-08-24 1996-02-28 Mitsubishi Electric Corp An oscillation gyro and inspection apparatus therefor
US5600063A (en) * 1994-08-24 1997-02-04 Mitsubishi Denki Kabushiki Kaisha Oscillation gyro and an inspection apparatus therefor
US5731519A (en) * 1994-08-24 1998-03-24 Mitsubishi Denki Kabushiki Kaisha Oscillation gyro and an inspection apparatus therefor
GB2292611B (en) * 1994-08-24 1998-04-15 Mitsubishi Electric Corp A vibration gyro and an inspection apparatus therefor
US5932802A (en) * 1994-08-24 1999-08-03 Mitsubishi Denki Kabushiki Kaisha Oscillation gyro and an inspection apparatus therefor
EP1031814A1 (en) * 1998-09-10 2000-08-30 Matsushita Electric Industrial Co., Ltd. Angular speed sensor
EP1031814A4 (en) * 1998-09-10 2001-12-05 Matsushita Electric Ind Co Ltd ANGLE SPEED SENSOR
US6584841B1 (en) 1998-09-10 2003-07-01 Matsushita Electric Industrial Co., Ltd. Angular rate sensor

Also Published As

Publication number Publication date
GB2262342B (ko) 1993-08-25
GB2262342A (en) 1993-06-16
GB9301204D0 (en) 1993-03-17
GB2262343B (ko) 1993-08-25
GB9301203D0 (en) 1993-03-17

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