CH628203GA3 - - Google Patents
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- Publication number
- CH628203GA3 CH628203GA3 CH1287977A CH1287977A CH628203GA3 CH 628203G A3 CH628203G A3 CH 628203GA3 CH 1287977 A CH1287977 A CH 1287977A CH 1287977 A CH1287977 A CH 1287977A CH 628203G A3 CH628203G A3 CH 628203GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- tines
- tuning fork
- voltage
- polarity
- electrodes
- Prior art date
Links
- 239000013078 crystal Substances 0.000 abstract 2
- 230000005684 electric field Effects 0.000 abstract 2
- 239000010453 quartz Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
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
- H03H9/215—Crystal tuning forks consisting of quartz
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51126878A JPS5851687B2 (ja) | 1976-10-22 | 1976-10-22 | 音叉型水晶振動子 |
| JP3142277A JPS53116797A (en) | 1976-10-22 | 1977-03-22 | Tuning fork crystal vibrator |
| US84482777A | 1977-10-25 | 1977-10-25 | |
| US05/856,756 US4178527A (en) | 1976-10-22 | 1977-12-01 | Quartz crystal tuning fork vibrator with unexcited tine centers for reduced flexural amplitudes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH628203B CH628203B (fr) | |
| CH628203GA3 true CH628203GA3 (enrdf_load_stackoverflow) | 1982-02-26 |
Family
ID=27459433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1287977A CH628203B (fr) | 1976-10-22 | 1977-10-21 | Vibreur a diapason a cristal de quartz. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4178527A (enrdf_load_stackoverflow) |
| JP (2) | JPS5851687B2 (enrdf_load_stackoverflow) |
| CH (1) | CH628203B (enrdf_load_stackoverflow) |
| DE (1) | DE2746154A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2368801A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1570834A (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554176A (en) * | 1978-06-27 | 1980-01-12 | Seiko Instr & Electronics Ltd | Crystal vibrator |
| US4320320A (en) * | 1978-12-01 | 1982-03-16 | Kabushiki Kaisha Suwa Seikosha | Coupled mode tuning fork type quartz crystal vibrator |
| JPS5577222A (en) * | 1978-12-06 | 1980-06-10 | Seiko Epson Corp | Tuning-fork type vibrator |
| NL8000297A (nl) * | 1980-01-17 | 1981-08-17 | Philips Nv | Piezoelektrische triller. |
| US4531073A (en) * | 1983-05-31 | 1985-07-23 | Ohaus Scale Corporation | Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity |
| JPH0222659U (enrdf_load_stackoverflow) * | 1988-07-28 | 1990-02-15 | ||
| JPH02140454A (ja) * | 1988-11-22 | 1990-05-30 | Kubota Ltd | 内燃機関の排ガス循環装置 |
| JP4715652B2 (ja) * | 2006-06-30 | 2011-07-06 | セイコーエプソン株式会社 | 圧電振動片 |
| US8096264B2 (en) * | 2007-11-30 | 2012-01-17 | Illinois Tool Works Inc. | Repulsion ring |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE420034A (enrdf_load_stackoverflow) * | 1936-02-21 | |||
| JPS49131088A (enrdf_load_stackoverflow) * | 1973-04-16 | 1974-12-16 | Suwa Seikosha Kk | |
| JPS539917B2 (enrdf_load_stackoverflow) * | 1973-05-02 | 1978-04-10 | Suwa Seikosha Kk | |
| JPS5334875B2 (enrdf_load_stackoverflow) * | 1973-07-10 | 1978-09-22 | ||
| GB1502013A (en) * | 1974-07-01 | 1978-02-22 | Citizen Watch Co Ltd | Resonator |
| JPS5323589A (en) * | 1976-08-18 | 1978-03-04 | Seiko Epson Corp | Crystal vibrator |
-
1976
- 1976-10-22 JP JP51126878A patent/JPS5851687B2/ja not_active Expired
-
1977
- 1977-03-22 JP JP3142277A patent/JPS53116797A/ja active Granted
- 1977-10-14 DE DE19772746154 patent/DE2746154A1/de not_active Withdrawn
- 1977-10-19 FR FR7731501A patent/FR2368801A1/fr active Granted
- 1977-10-20 GB GB43718/77A patent/GB1570834A/en not_active Expired
- 1977-10-21 CH CH1287977A patent/CH628203B/fr not_active IP Right Cessation
- 1977-12-01 US US05/856,756 patent/US4178527A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5851687B2 (ja) | 1983-11-17 |
| FR2368801B1 (enrdf_load_stackoverflow) | 1982-06-04 |
| US4178527A (en) | 1979-12-11 |
| FR2368801A1 (fr) | 1978-05-19 |
| GB1570834A (en) | 1980-07-09 |
| JPS6117171B2 (enrdf_load_stackoverflow) | 1986-05-06 |
| JPS53116797A (en) | 1978-10-12 |
| JPS5352088A (en) | 1978-05-12 |
| DE2746154A1 (de) | 1978-04-27 |
| CH628203B (fr) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |