GB2262342A - A vibrator for use in a vibratory gyroscope - Google Patents
A vibrator for use in a vibratory gyroscope Download PDFInfo
- Publication number
- GB2262342A GB2262342A GB9301203A GB9301203A GB2262342A GB 2262342 A GB2262342 A GB 2262342A GB 9301203 A GB9301203 A GB 9301203A GB 9301203 A GB9301203 A GB 9301203A GB 2262342 A GB2262342 A GB 2262342A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vibrator
- vibrating body
- driving
- piezoelectric elements
- 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
Links
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000005452 bending Methods 0.000 claims description 20
- 239000013013 elastic material Substances 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 28
- 239000002131 composite material Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 239000000919 ceramic Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000009499 grossing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229910000863 Ferronickel Inorganic materials 0.000 description 3
- 229910000792 Monel Inorganic materials 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910000570 Cupronickel Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
- -1 elinver Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
- G01C19/5642—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating bars or beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
- G01C19/5642—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating bars or beams
- G01C19/5663—Manufacturing; Trimming; Mounting; Housings
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods 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
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/04—Acoustic filters ; Acoustic resonators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Gyroscopes (AREA)
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 |
| JP4480789A JP2536132B2 (ja) | 1989-02-25 | 1989-02-25 | 発振回路 |
| JP4480689A JPH0695099B2 (ja) | 1989-02-25 | 1989-02-25 | 振動ジャイロ |
| JP8939889A JP2531021B2 (ja) | 1989-04-06 | 1989-04-06 | 振動子 |
| JP1089397A JPH063455B2 (ja) | 1989-04-06 | 1989-04-06 | 振動ジャイロ |
| JP1089396A JP2748145B2 (ja) | 1989-04-06 | 1989-04-06 | 差動増幅回路 |
| JP1115437A 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 |
| JP14778289A JP2741620B2 (ja) | 1989-06-09 | 1989-06-09 | 振動子の支持構造 |
| JP14777989A JP2531266B2 (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 |
|---|---|
| GB9301203D0 GB9301203D0 (en) | 1993-03-17 |
| GB2262342A true GB2262342A (en) | 1993-06-16 |
| GB2262342B GB2262342B (enrdf_load_stackoverflow) | 1993-08-25 |
Family
ID=27581663
Family Applications (2)
| 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 |
| GB9301204A Granted GB2262343A (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 |
|---|---|---|---|
| GB9301204A Granted GB2262343A (en) | 1988-08-12 | 1993-01-22 | A vibrator for use in a vibratory gyroscope |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB2262342A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3239542B2 (ja) * | 1993-06-21 | 2001-12-17 | 株式会社村田製作所 | 振動ジャイロの調整装置 |
| JP3175489B2 (ja) * | 1994-08-24 | 2001-06-11 | 三菱電機株式会社 | 振動ジャイロおよび振動ジャイロの検査装置 |
| JP2000088578A (ja) | 1998-09-10 | 2000-03-31 | Matsushita Electric Ind Co Ltd | 角速度センサ |
-
1993
- 1993-01-22 GB GB9301203A patent/GB2262342A/en active Granted
- 1993-01-22 GB GB9301204A patent/GB2262343A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2262342B (enrdf_load_stackoverflow) | 1993-08-25 |
| GB2262343B (enrdf_load_stackoverflow) | 1993-08-25 |
| GB2262343A (en) | 1993-06-16 |
| GB9301204D0 (en) | 1993-03-17 |
| GB9301203D0 (en) | 1993-03-17 |
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