AT313183B - Piezoelectric oscillator in the form of a tuning fork for time-keeping devices - Google Patents
Piezoelectric oscillator in the form of a tuning fork for time-keeping devicesInfo
- Publication number
- AT313183B AT313183B AT1164870A AT1164870A AT313183B AT 313183 B AT313183 B AT 313183B AT 1164870 A AT1164870 A AT 1164870A AT 1164870 A AT1164870 A AT 1164870A AT 313183 B AT313183 B AT 313183B
- Authority
- AT
- Austria
- Prior art keywords
- time
- tuning fork
- piezoelectric oscillator
- keeping devices
- keeping
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
- G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
- G04C3/101—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
- G04C3/102—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details of the mechanical oscillator or of the coil
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/09—Elastic or damping supports
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2009379A DE2009379C3 (en) | 1970-02-27 | 1970-02-27 | Piezoelectric oscillator in the form of a tuning fork as a time standard for time-keeping devices |
Publications (1)
Publication Number | Publication Date |
---|---|
AT313183B true AT313183B (en) | 1974-02-11 |
Family
ID=5763612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT1164870A AT313183B (en) | 1970-02-27 | 1970-12-28 | Piezoelectric oscillator in the form of a tuning fork for time-keeping devices |
Country Status (7)
Country | Link |
---|---|
US (1) | US3697766A (en) |
AT (1) | AT313183B (en) |
CH (1) | CH544330A (en) |
DE (1) | DE2009379C3 (en) |
FR (1) | FR2080814B3 (en) |
GB (1) | GB1348501A (en) |
NL (1) | NL7102465A (en) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4930558B1 (en) * | 1969-10-03 | 1974-08-14 | ||
DE2246511C3 (en) * | 1971-09-22 | 1975-11-27 | K.K. Suwa Seikosha, Tokio | Crystal rotary transducer |
US3805509A (en) * | 1971-11-15 | 1974-04-23 | Junghans Gmbh Geb | Crystal vibrator as a time keeping vibrator for a timepiece |
JPS5726002B2 (en) * | 1972-01-31 | 1982-06-02 | ||
US3766616A (en) * | 1972-03-22 | 1973-10-23 | Statek Corp | Microresonator packaging and tuning |
JPS5236540Y2 (en) * | 1972-09-04 | 1977-08-19 | ||
JPS49122768A (en) * | 1973-03-27 | 1974-11-25 | Suwa Seikosha Kk | |
US4054807A (en) * | 1973-03-29 | 1977-10-18 | Kabushiki Kaisha Daini Seikosha | Quartz oscillator mountings |
DE2418277C3 (en) * | 1973-04-16 | 1985-08-01 | Kabushiki Kaisha Suwa Seikosha, Shinjuku, Tokio/Tokyo | Quartz crystal flexural oscillator and process for its manufacture |
JPS49131088A (en) * | 1973-04-16 | 1974-12-16 | Suwa Seikosha Kk | |
US3946257A (en) * | 1973-09-17 | 1976-03-23 | Kabushiki Kaisha Daini Seikosha | Quartz crystal vibrator with partial electrodes for harmonic suppression |
JPS5133367U (en) * | 1974-07-05 | 1976-03-11 | ||
JPS51103472A (en) * | 1975-03-07 | 1976-09-13 | Suwa Seikosha Kk | |
US4004166A (en) * | 1975-03-12 | 1977-01-18 | Nihon Dempa Kogyo Co., Ltd. | Method for stabilizing the vibration frequency of a tuning fork-type quartz crystal oscillator |
JPS5216991A (en) * | 1975-07-31 | 1977-02-08 | Seiko Instr & Electronics Ltd | Structure of piezo oscillator |
JPS5323589A (en) * | 1976-08-18 | 1978-03-04 | Seiko Epson Corp | Crystal vibrator |
JPS587672Y2 (en) * | 1977-08-11 | 1983-02-10 | 株式会社村田製作所 | Sealed structure of piezoelectric vibrator |
JPS54113297A (en) * | 1978-01-26 | 1979-09-04 | Seiko Epson Corp | Tuning fork-type crystal vibrator |
JPS5631072Y2 (en) * | 1978-03-02 | 1981-07-24 | ||
DE2939844A1 (en) * | 1978-12-21 | 1980-07-10 | Seiko Instr & Electronics | QUARTZ SWINGER |
US4266157A (en) * | 1979-05-18 | 1981-05-05 | The United States Of America As Represented By The Secretary Of The Army | Piezoelectric resonator assembly with thin molybdenum mounting clips |
FR2464595A1 (en) * | 1979-08-31 | 1981-03-06 | Ebauches Sa | METHOD FOR DETECTING THE ASYMMETRY OF DIAPASON-SHAPED PIEZOELECTRIC CRYSTAL RESONATORS AND RESONATORS FOR ITS IMPLEMENTATION |
US4410827A (en) * | 1980-04-24 | 1983-10-18 | Kabushiki Kaisha Suwa Seikosha | Mode coupled notched tuning fork type quartz crystal resonator |
US4498025A (en) * | 1980-12-12 | 1985-02-05 | Seiko Instruments & Electronics Ltd. | Tuning fork |
US4531073A (en) * | 1983-05-31 | 1985-07-23 | Ohaus Scale Corporation | Piezoelectric crystal resonator with reduced impedance and sensitivity to change in humidity |
FR2574209B1 (en) * | 1984-12-04 | 1987-01-30 | Onera (Off Nat Aerospatiale) | RESONATOR WITH VIBRATING BLADE |
JPS61288132A (en) * | 1985-06-17 | 1986-12-18 | Yokogawa Electric Corp | Crystal thermometer |
US5396144A (en) * | 1993-08-02 | 1995-03-07 | New S.D., Inc. | Rotation rate sensor with center mounted tuning fork |
DE19544338A1 (en) * | 1994-11-28 | 1996-05-30 | Nippon Denso Co | Angular velocity sensor for vehicle movement control, navigation system or video camera |
JP4050343B2 (en) * | 1996-04-02 | 2008-02-20 | 富士通株式会社 | Tuning fork vibration gyro |
US6747393B2 (en) | 1996-11-26 | 2004-06-08 | Ngk Insulators, Ltd. | Vibrator, vibratory gyroscope, and vibration adjusting method |
US6018212A (en) * | 1996-11-26 | 2000-01-25 | Ngk Insulators, Ltd. | Vibrator, vibratory gyroscope, and vibration adjusting method |
US5998911A (en) * | 1996-11-26 | 1999-12-07 | Ngk Insulators, Ltd. | Vibrator, vibratory gyroscope, and vibration adjusting method |
US6437483B2 (en) | 1996-11-26 | 2002-08-20 | Ngk Insulators, Ltd. | Vibrator, vibratory gyroscope, and vibration adjusting method |
JPH1141057A (en) * | 1997-07-17 | 1999-02-12 | Murata Mfg Co Ltd | Piezoelectric vibration component |
DE19853063B4 (en) | 1997-11-18 | 2011-07-28 | DENSO CORPORATION, Aichi-pref. | Angular velocity sensor and diagnostic system for it |
JP3335122B2 (en) | 1998-05-06 | 2002-10-15 | 松下電器産業株式会社 | Angular velocity sensor |
JP2000009476A (en) * | 1998-06-26 | 2000-01-14 | Fujitsu Ltd | Tuning-fork-type vibration gyro |
US6262520B1 (en) * | 1999-09-15 | 2001-07-17 | Bei Technologies, Inc. | Inertial rate sensor tuning fork |
US7523537B1 (en) * | 2000-07-13 | 2009-04-28 | Custom Sensors & Technologies, Inc. | Method of manufacturing a tuning fork with reduced quadrature errror and symmetrical mass balancing |
EP1788702A3 (en) * | 2000-12-25 | 2008-01-16 | Seiko Epson Corporation | Vibrating piece, vibrator, oscillator, and electronic equipment |
US6858972B2 (en) * | 2002-06-21 | 2005-02-22 | Ngk Insulators, Ltd. | Vibrator, vibratory gyroscope, and vibration adjusting method |
CN1706098B (en) * | 2003-03-28 | 2013-01-02 | 株式会社大真空 | Frequency regulating method for tuning fork type vibrator and tuning fork type vibrator frequency-regulated by the method |
US9209381B2 (en) | 2003-06-30 | 2015-12-08 | Piedek Technical Laboratory | Quartz crystal unit, quartz crystal oscillator and electronic apparatus |
US10199556B2 (en) * | 2003-06-30 | 2019-02-05 | Piedek Technical Laboratory | Unit, oscillator and electronic apparatus |
US8358053B2 (en) * | 2003-06-30 | 2013-01-22 | Piedek Technical Laboratory | Unit, oscillator having unit and electronic apparatus having oscillator |
US11563406B2 (en) | 2003-06-30 | 2023-01-24 | Piedek Technical Laboratory | Quartz crystal resonator, quartz crystal unit, and quartz crystal oscillator |
US8358052B2 (en) * | 2003-06-30 | 2013-01-22 | Piedek Technical Laboratory | Unit having resonator, oscillator having unit and electronic apparatus having unit |
JP2005184767A (en) * | 2003-11-27 | 2005-07-07 | Seiko Epson Corp | Method of manufacturing tuning-fork type piezoelectric vibrating piece and tuning-fork type piezoelectric vibrator |
JP2005227215A (en) * | 2004-02-16 | 2005-08-25 | Matsushita Electric Ind Co Ltd | Angular velocity sensor and its design method |
JP2005249646A (en) * | 2004-03-05 | 2005-09-15 | Matsushita Electric Ind Co Ltd | Tuning fork type oscillator for angular velocity sensor, angular velocity sensor using the oscillator, and automobile using the angular velocity sensor |
JP2006105614A (en) * | 2004-09-30 | 2006-04-20 | Seiko Epson Corp | Vibrating gyroscope and its manufacturing method |
JP5208373B2 (en) * | 2006-04-12 | 2013-06-12 | パナソニック株式会社 | Inertial force sensor |
JP4687789B2 (en) * | 2006-07-21 | 2011-05-25 | 株式会社村田製作所 | Tuning fork type vibrator and vibration gyro using the same |
JP4990717B2 (en) * | 2007-08-10 | 2012-08-01 | セイコーインスツル株式会社 | Case manufacturing method, piezoelectric vibrator, oscillator, electronic device, and radio timepiece |
JP5128262B2 (en) * | 2007-12-17 | 2013-01-23 | セイコーインスツル株式会社 | Piezoelectric vibrating piece, piezoelectric vibrator, oscillator, electronic device, radio timepiece, and method of manufacturing piezoelectric vibrating piece |
WO2009143492A1 (en) * | 2008-05-23 | 2009-11-26 | Statek Corporation | Piezoelectric resonator |
JP4709260B2 (en) * | 2008-10-16 | 2011-06-22 | 日本電波工業株式会社 | Piezoelectric vibrating piece and piezoelectric device |
US8256288B2 (en) * | 2008-12-16 | 2012-09-04 | Seiko Epson Corporation | Sensor device |
US8359920B2 (en) * | 2009-05-15 | 2013-01-29 | Lockheed Martin Corp. | Gravity sensing instrument |
JP5593979B2 (en) * | 2009-11-11 | 2014-09-24 | セイコーエプソン株式会社 | Vibrating piece, vibrator, oscillator, sensor and electronic equipment |
ES2434260T3 (en) * | 2010-11-29 | 2013-12-16 | Air Products And Chemicals, Inc. | Method and apparatus for measuring the mass flow rate of a gas |
US20140238129A1 (en) * | 2011-10-24 | 2014-08-28 | Panasonic Corporation | Angular velocity sensor and detection element used in same |
CN116979924A (en) * | 2023-08-04 | 2023-10-31 | 惠伦晶体(重庆)科技有限公司 | Impact-resistant miniaturized tuning fork type piezoelectric vibrating piece and resonator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2666196A (en) * | 1949-06-07 | 1954-01-12 | Bell Telephone Labor Inc | Frequency station calling system using bifurcated piezoelectric elements |
US2806400A (en) * | 1954-03-10 | 1957-09-17 | Philamon Lab Inc | Tuning forks |
US3131320A (en) * | 1959-12-23 | 1964-04-28 | Kinsekisha Lab Ltd | Audio-frequency crystal vibrator |
NL266211A (en) * | 1960-06-21 | |||
US3425310A (en) * | 1966-12-06 | 1969-02-04 | Philamon Lab Inc | Balanced and coupled tuning fork mounting structure for suppressing reed vibration |
FR1539922A (en) * | 1967-08-09 | 1968-09-20 | Lip Sa | Portable time device |
-
1970
- 1970-02-27 DE DE2009379A patent/DE2009379C3/en not_active Expired
- 1970-12-28 AT AT1164870A patent/AT313183B/en active
-
1971
- 1971-01-04 CH CH1771A patent/CH544330A/en unknown
- 1971-02-12 US US114880A patent/US3697766A/en not_active Expired - Lifetime
- 1971-02-24 NL NL7102465A patent/NL7102465A/xx unknown
- 1971-02-26 FR FR7106729A patent/FR2080814B3/fr not_active Expired
- 1971-04-19 GB GB2062971A patent/GB1348501A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2080814A3 (en) | 1971-11-19 |
US3697766A (en) | 1972-10-10 |
NL7102465A (en) | 1971-08-31 |
CH544330A (en) | 1973-12-28 |
DE2009379C3 (en) | 1975-01-30 |
GB1348501A (en) | 1974-03-20 |
DE2009379A1 (en) | 1971-09-09 |
FR2080814B3 (en) | 1973-10-19 |
DE2009379B2 (en) | 1974-06-20 |
CH1771A4 (en) | 1973-05-30 |
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