GB1348501A - Piezo-electric oscillators - Google Patents

Piezo-electric oscillators

Info

Publication number
GB1348501A
GB1348501A GB2062971A GB2062971A GB1348501A GB 1348501 A GB1348501 A GB 1348501A GB 2062971 A GB2062971 A GB 2062971A GB 2062971 A GB2062971 A GB 2062971A GB 1348501 A GB1348501 A GB 1348501A
Authority
GB
United Kingdom
Prior art keywords
arms
oscillation
electrodes
soldered
resilient
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
Application number
GB2062971A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebrueder Junghans GmbH
Original Assignee
Gebrueder Junghans GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gebrueder Junghans GmbH filed Critical Gebrueder Junghans GmbH
Publication of GB1348501A publication Critical patent/GB1348501A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/15Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21Crystal tuning forks
    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08Electromechanical 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
    • G04C3/10Electromechanical 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
    • G04C3/101Electromechanical 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
    • G04C3/102Electromechanical 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
    • GPHYSICS
    • G04HOROLOGY
    • G04FTIME-INTERVAL MEASURING
    • G04F5/00Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • G04F5/063Constructional details
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/05Holders; Supports
    • H03H9/09Elastic or damping supports

Abstract

1348501 Electric watches JUNGHANS GmbH Gebr 19 April 1971 [27 Feb 1970] 20629/71 Heading G3T [Also in Division H1] A Piezo-electric tuning fork, possibly of quartz, and intended for use in watches has its arms 11, 12, mechanically decoupled from its mounting 15 by narrow portion 13e and an elastic member 14. Member 14 may be T-shaped, in the form of a simple plate (41) Fig.4 (not shown) inserted into a slot in the base of the fork, or in the form of two parallel plates (30), (31) Fig. 3 (not shown). Narrow portion 13e also reduces the effect of leads 20, 21 on the resonant frequency. Member 14 is preferably more resilient than portion 13e and arranged in such a way that it is considerably more resilient than portion 13e in the direction of oscillation of the arms i.e. along Z, Fig.2. The resiliency of member 14 should normally be comparatively small in the direction X, Fig.2, perpendicular to the direction of oscillation. Electrodes 16-19 and 24 are formed by vapour deposition through a mask or some similar process and may be disposed only on those surfaces of the arms parallel to the direction of oscillation as shown (and in the embodiment of Fig. 9, (not shown)) or on all the surfaces of the arms (embodiments of Figs.3-7, (not shown)). Power supply leads 20, 21, are soldered to the electrodes 16, 17 and 18, 19 respectively, member 14, if conductive, e.g. of steel, being soldered at 25 to electrode 24 and therefore constituting a further lead. Weights 22, 23 may be provided on the arms and are easily removed or eroded to facilitate either balancing of the arms or fine adjustment of the resonant frequency. The further embodiments Figs.3-9, (not shown) have electrodes disposed in various configurations about the arms. The tuning fork may be hermetically sealed in a housing possibly of steel Fig.10 (not shown), the housing being evacuated or filled with a gas.
GB2062971A 1970-02-27 1971-04-19 Piezo-electric oscillators Expired GB1348501A (en)

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
GB1348501A true GB1348501A (en) 1974-03-20

Family

ID=5763612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2062971A Expired GB1348501A (en) 1970-02-27 1971-04-19 Piezo-electric oscillators

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)

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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
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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
JPS49131088A (en) * 1973-04-16 1974-12-16 Suwa Seikosha Kk
DE2418277C3 (en) * 1973-04-16 1985-08-01 Kabushiki Kaisha Suwa Seikosha, Shinjuku, Tokio/Tokyo Quartz crystal flexural oscillator and process for its manufacture
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
US5719460A (en) * 1994-11-28 1998-02-17 Nippondenso Co., Ltd Angular velocity sensor
JP4050343B2 (en) * 1996-04-02 2008-02-20 富士通株式会社 Tuning fork vibration gyro
US5998911A (en) * 1996-11-26 1999-12-07 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
US6747393B2 (en) 1996-11-26 2004-06-08 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
EP1223674A3 (en) * 2000-12-25 2003-04-02 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
US8358052B2 (en) * 2003-06-30 2013-01-22 Piedek Technical Laboratory Unit having resonator, oscillator having unit and electronic apparatus having unit
US11563406B2 (en) 2003-06-30 2023-01-24 Piedek Technical Laboratory Quartz crystal resonator, quartz crystal unit, and quartz crystal oscillator
US9209381B2 (en) 2003-06-30 2015-12-08 Piedek Technical Laboratory Quartz crystal unit, quartz crystal oscillator and electronic apparatus
US8358053B2 (en) * 2003-06-30 2013-01-22 Piedek Technical Laboratory Unit, oscillator having unit and electronic apparatus having oscillator
US10199556B2 (en) * 2003-06-30 2019-02-05 Piedek Technical Laboratory Unit, oscillator and electronic apparatus
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
US8446079B2 (en) * 2008-05-23 2013-05-21 Statek Corporation Piezoelectric resonator with vibration isolation
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
PL2458348T3 (en) * 2010-11-29 2014-01-31 Air Prod & Chem Method of, 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

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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

Also Published As

Publication number Publication date
DE2009379B2 (en) 1974-06-20
CH1771A4 (en) 1973-05-30
US3697766A (en) 1972-10-10
DE2009379A1 (en) 1971-09-09
CH544330A (en) 1973-12-28
FR2080814A3 (en) 1971-11-19
FR2080814B3 (en) 1973-10-19
DE2009379C3 (en) 1975-01-30
AT313183B (en) 1974-02-11
NL7102465A (en) 1971-08-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees