CH647384GA3 - - Google Patents
Download PDFInfo
- Publication number
- CH647384GA3 CH647384GA3 CH137180A CH137180A CH647384GA3 CH 647384G A3 CH647384G A3 CH 647384GA3 CH 137180 A CH137180 A CH 137180A CH 137180 A CH137180 A CH 137180A CH 647384G A3 CH647384G A3 CH 647384GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- tuning fork
- vibrations
- fork arms
- electrodes
- flexual
- Prior art date
Links
- 239000013078 crystal Substances 0.000 abstract 1
- 230000005684 electric field Effects 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 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
- H03H9/215—Crystal tuning forks consisting of quartz
-
- 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 |
|---|---|---|---|
| JP1885779A JPS55112017A (en) | 1979-02-20 | 1979-02-20 | Electrode of tuning fork type crystal oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH647384GA3 true CH647384GA3 (fr) | 1985-01-31 |
Family
ID=11983202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH137180A CH647384GA3 (fr) | 1979-02-20 | 1980-02-20 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4356425A (fr) |
| JP (1) | JPS55112017A (fr) |
| CH (1) | CH647384GA3 (fr) |
| DE (1) | DE3006040C2 (fr) |
| FR (1) | FR2449916A1 (fr) |
| GB (1) | GB2047954B (fr) |
| HK (1) | HK87785A (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4469979A (en) * | 1983-05-27 | 1984-09-04 | Statek Corporation | Microresonator of double-ended tuning fork configuration |
| US4531073A (en) * | 1983-05-31 | 1985-07-23 | Ohaus Scale Corporation | Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity |
| US5607236A (en) * | 1987-02-27 | 1997-03-04 | Seiko Epson Corporation | Quartz oscillator temperature sensor |
| JPS63158405U (fr) * | 1987-04-04 | 1988-10-18 | ||
| US4929860A (en) * | 1988-05-17 | 1990-05-29 | Sundstrand Data Control, Inc. | Electrode configuration for vibrating beam transducers |
| JPH02179518A (ja) * | 1988-12-30 | 1990-07-12 | Yoshinobu Kobayashi | タイヤの滑り止め装置 |
| US5987987A (en) | 1997-04-14 | 1999-11-23 | Denso Corporation | Angular velocity sensor, related method for manufacturing the sensor, and piezoelectric vibrator element used in this sensor |
| US7071794B2 (en) * | 2002-03-06 | 2006-07-04 | Piedek Technical Laboratory | Quartz crystal resonator, unit having resonator, oscillator having unit, electronic apparatus having oscillator, and method for manufacturing electronic apparatus |
| US9203135B2 (en) * | 2002-04-23 | 2015-12-01 | Piedek Technical Laboratory | Method for manufacturing quartz crystal resonator |
| CA2630266A1 (fr) * | 2008-05-02 | 2009-11-02 | Multimatic Inc. | Systeme de gestion de cargaison pour camionnettes |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL62574C (fr) * | 1936-02-21 | |||
| NL266211A (fr) * | 1960-06-21 | |||
| DE2418277C3 (de) * | 1973-04-16 | 1985-08-01 | Kabushiki Kaisha Suwa Seikosha, Shinjuku, Tokio/Tokyo | Quarzkristallbiegeschwinger und Verfahren zu seiner Herstellung |
| JPS5133367U (fr) * | 1974-07-05 | 1976-03-11 | ||
| JPS5323589A (en) * | 1976-08-18 | 1978-03-04 | Seiko Epson Corp | Crystal vibrator |
| JPS54113297A (en) * | 1978-01-26 | 1979-09-04 | Seiko Epson Corp | Tuning fork-type crystal vibrator |
| JPS54111297A (en) * | 1978-02-21 | 1979-08-31 | Seiko Instr & Electronics Ltd | Compound crystal oscillator |
| JPS54131894A (en) * | 1978-04-05 | 1979-10-13 | Citizen Watch Co Ltd | Piezoelectric oscillator |
| JPS558172A (en) * | 1978-07-05 | 1980-01-21 | Kinsekishiya Kenkyusho:Kk | Tuning fork type piezoelectric oscillator |
| JPS5513551A (en) * | 1978-07-14 | 1980-01-30 | 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 |
-
1979
- 1979-02-20 JP JP1885779A patent/JPS55112017A/ja active Granted
-
1980
- 1980-02-07 FR FR8002702A patent/FR2449916A1/fr active Granted
- 1980-02-18 GB GB8005371A patent/GB2047954B/en not_active Expired
- 1980-02-18 DE DE3006040A patent/DE3006040C2/de not_active Expired
- 1980-02-20 US US06/122,870 patent/US4356425A/en not_active Expired - Lifetime
- 1980-02-20 CH CH137180A patent/CH647384GA3/fr unknown
-
1985
- 1985-11-07 HK HK877/85A patent/HK87785A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3006040C2 (de) | 1986-09-25 |
| JPS55112017A (en) | 1980-08-29 |
| GB2047954A (en) | 1980-12-03 |
| FR2449916A1 (fr) | 1980-09-19 |
| JPS6251006B2 (fr) | 1987-10-28 |
| FR2449916B1 (fr) | 1984-06-15 |
| DE3006040A1 (de) | 1980-08-28 |
| HK87785A (en) | 1985-11-15 |
| US4356425A (en) | 1982-10-26 |
| GB2047954B (en) | 1983-04-20 |
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