GB2042797A - Tuning fork type piezo-electric vibrator - Google Patents
Tuning fork type piezo-electric vibrator Download PDFInfo
- Publication number
- GB2042797A GB2042797A GB7941381A GB7941381A GB2042797A GB 2042797 A GB2042797 A GB 2042797A GB 7941381 A GB7941381 A GB 7941381A GB 7941381 A GB7941381 A GB 7941381A GB 2042797 A GB2042797 A GB 2042797A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vibrator
- tuning fork
- oscillation frequency
- positions
- weights
- 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.)
- Withdrawn
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 230000003247 decreasing effect Effects 0.000 claims description 11
- 230000002349 favourable effect Effects 0.000 claims 5
- 239000013078 crystal Substances 0.000 description 32
- 239000010453 quartz Substances 0.000 description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 31
- 238000005520 cutting process Methods 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000000707 wrist Anatomy 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000012888 cubic function Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
- G04F5/063—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15142878A JPS5577222A (en) | 1978-12-06 | 1978-12-06 | Tuning-fork type vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2042797A true GB2042797A (en) | 1980-09-24 |
Family
ID=15518395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7941381A Withdrawn GB2042797A (en) | 1978-12-06 | 1979-11-30 | Tuning fork type piezo-electric vibrator |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5577222A (enrdf_load_stackoverflow) |
| DE (1) | DE2948567A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2443766A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2042797A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188421A (en) * | 1986-03-26 | 1987-09-30 | Singer Co | Vibrating beam force transducer with a-frame beam root and frequency adjusting means |
| US5187458A (en) * | 1989-09-21 | 1993-02-16 | Nihon Musen Kabushiki Kaisha | Composite longitudinal vibration mechanical filter having central frequency deviation elimination means and method of manufacturing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63280507A (ja) * | 1987-05-12 | 1988-11-17 | Seiko Electronic Components Ltd | 結合水晶振動子 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071797A (en) * | 1976-01-20 | 1978-01-31 | Societe Suisse Pour L'industrie Horlogere Management Services S.A. | Quartz piezo-electric element vibrating in a coupled mode |
| JPS5851687B2 (ja) * | 1976-10-22 | 1983-11-17 | セイコーインスツルメンツ株式会社 | 音叉型水晶振動子 |
-
1978
- 1978-12-06 JP JP15142878A patent/JPS5577222A/ja active Granted
-
1979
- 1979-11-30 GB GB7941381A patent/GB2042797A/en not_active Withdrawn
- 1979-12-03 DE DE19792948567 patent/DE2948567A1/de not_active Withdrawn
- 1979-12-05 FR FR7929877A patent/FR2443766A1/fr not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188421A (en) * | 1986-03-26 | 1987-09-30 | Singer Co | Vibrating beam force transducer with a-frame beam root and frequency adjusting means |
| US5187458A (en) * | 1989-09-21 | 1993-02-16 | Nihon Musen Kabushiki Kaisha | Composite longitudinal vibration mechanical filter having central frequency deviation elimination means and method of manufacturing same |
| US5528806A (en) * | 1989-09-21 | 1996-06-25 | Nihon Musen Kabushiki Kaisha | Tunable composite longitudinal vibration mechanical filter manufacturing method |
| US5740595A (en) * | 1989-09-21 | 1998-04-21 | Nihon Musen Kabushiki Kaisha | Composite longitudinal vibration mechanical filter's method of manufacturing including undesired vibration absorber |
| US5751200A (en) * | 1989-09-21 | 1998-05-12 | Nihon Musen Kabushiki Kaisha | Composite longitudinal vibration mechanical filter having undesired vibration absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6217405B2 (enrdf_load_stackoverflow) | 1987-04-17 |
| FR2443766A1 (fr) | 1980-07-04 |
| JPS5577222A (en) | 1980-06-10 |
| DE2948567A1 (de) | 1980-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |