JPS625369B2 - - Google Patents
Info
- Publication number
- JPS625369B2 JPS625369B2 JP15018278A JP15018278A JPS625369B2 JP S625369 B2 JPS625369 B2 JP S625369B2 JP 15018278 A JP15018278 A JP 15018278A JP 15018278 A JP15018278 A JP 15018278A JP S625369 B2 JPS625369 B2 JP S625369B2
- Authority
- JP
- Japan
- Prior art keywords
- tuning fork
- thickness
- crystal resonator
- vibration
- counter
- 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
Links
- 238000005452 bending Methods 0.000 claims description 16
- 230000010355 oscillation Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 44
- 238000006073 displacement reaction Methods 0.000 description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 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
- 239000000463 material Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000012888 cubic function Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15018278A JPS5575318A (en) | 1978-12-04 | 1978-12-04 | Tuning fork type oscillator |
| US06/042,732 US4320320A (en) | 1978-12-01 | 1979-05-29 | Coupled mode tuning fork type quartz crystal vibrator |
| FR7926237A FR2443164B1 (fr) | 1978-12-01 | 1979-10-23 | Resonateur a quartz du type diapason |
| CH1066979A CH646304GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-12-01 | 1979-11-30 | |
| DE19792948331 DE2948331A1 (de) | 1978-12-01 | 1979-11-30 | Stimmgabelschwinger und verfahren zur einstellung der frequenz eines stimmgabelschwingers |
| GB7941622A GB2042799B (en) | 1978-12-04 | 1979-12-03 | Tuning fork type piezo-electric vibrator |
| HK87685A HK87685A (en) | 1978-12-04 | 1985-11-07 | Tuning fork type piezo-electric vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15018278A JPS5575318A (en) | 1978-12-04 | 1978-12-04 | Tuning fork type oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5575318A JPS5575318A (en) | 1980-06-06 |
| JPS625369B2 true JPS625369B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-02-04 |
Family
ID=15491291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15018278A Granted JPS5575318A (en) | 1978-12-01 | 1978-12-04 | Tuning fork type oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5575318A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2327576C (en) * | 1999-12-21 | 2008-09-30 | Eta Sa Fabriques D'ebauches | Low frequency quartz oscillator device with improved thermal characteristics |
-
1978
- 1978-12-04 JP JP15018278A patent/JPS5575318A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5575318A (en) | 1980-06-06 |