CH648184GA3 - - Google Patents

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Info

Publication number
CH648184GA3
CH648184GA3 CH793781A CH793781A CH648184GA3 CH 648184G A3 CH648184G A3 CH 648184GA3 CH 793781 A CH793781 A CH 793781A CH 793781 A CH793781 A CH 793781A CH 648184G A3 CH648184G A3 CH 648184GA3
Authority
CH
Switzerland
Prior art keywords
frequency
mode
arms
reducing
masses
Prior art date
Application number
CH793781A
Other languages
English (en)
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
Priority claimed from JP17560480A external-priority patent/JPS5799014A/ja
Priority claimed from JP10430481A external-priority patent/JPS585019A/ja
Application filed filed Critical
Publication of CH648184GA3 publication Critical patent/CH648184GA3/fr

Links

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
    • 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
    • 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
    • H03H2003/0414—Resonance frequency
    • H03H2003/0492—Resonance frequency during the manufacture of a tuning-fork

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • 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)
CH793781A 1980-12-12 1981-12-11 CH648184GA3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17560480A JPS5799014A (en) 1980-12-12 1980-12-12 Tuning fork type oscillator
JP10430481A JPS585019A (ja) 1981-07-02 1981-07-02 音叉型振動子

Publications (1)

Publication Number Publication Date
CH648184GA3 true CH648184GA3 (fr) 1985-03-15

Family

ID=26444807

Family Applications (1)

Application Number Title Priority Date Filing Date
CH793781A CH648184GA3 (fr) 1980-12-12 1981-12-11

Country Status (4)

Country Link
US (1) US4498025A (fr)
CH (1) CH648184GA3 (fr)
DE (1) DE3149171A1 (fr)
GB (1) GB2091486B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658175A (en) * 1986-03-26 1987-04-14 The Singer Company-Kearfott Division Vibrating beam force transducer with A-frame beam root and frequency adjusting means
GB2203590B (en) * 1987-04-02 1991-02-06 Stc Plc Resonator manufacture
US5032755A (en) * 1988-03-03 1991-07-16 Motorola, Inc. Method and means for damping modes of piezoelectric vibrators
US4862298A (en) * 1988-03-11 1989-08-29 Magnetic Peripherals Inc. Shock load detection device
US5179028A (en) * 1990-04-20 1993-01-12 Hughes Aircraft Company Antibody coated crystal chemical sensor
US5850117A (en) * 1995-06-15 1998-12-15 Nikon Corporation Vibration Actuator and adjustment method therefor
US6114795A (en) * 1997-06-24 2000-09-05 Tdk Corporation Piezoelectric component and manufacturing method thereof
US6660013B2 (en) * 1999-10-05 2003-12-09 Omnisonics Medical Technologies, Inc. Apparatus for removing plaque from blood vessels using ultrasonic energy
US20040097996A1 (en) 1999-10-05 2004-05-20 Omnisonics Medical Technologies, Inc. Apparatus and method of removing occlusions using an ultrasonic medical device operating in a transverse mode
US6551337B1 (en) 1999-10-05 2003-04-22 Omnisonics Medical Technologies, Inc. Ultrasonic medical device operating in a transverse mode
US6524251B2 (en) 1999-10-05 2003-02-25 Omnisonics Medical Technologies, Inc. Ultrasonic device for tissue ablation and sheath for use therewith
CA2327576C (fr) 1999-12-21 2008-09-30 Eta Sa Fabriques D'ebauches Oscillateur a cristal basse frequence avec caracteristiques thermiques ameliorees
EP1111770B1 (fr) * 1999-12-21 2003-03-19 Eta SA Fabriques d'Ebauches Dispositif oscillateur à quartz basse fréquence ayant un comportement thermique amélioré
US7043969B2 (en) * 2002-10-18 2006-05-16 Symyx Technologies, Inc. Machine fluid sensor and method
WO2004100365A1 (fr) * 2003-03-28 2004-11-18 Daishinku Corporation Procede de regulation de la frequence destine a un vibreur du type a diapason et vibreur du type a diapason regule en frequence au moyen dudit procede
US7794414B2 (en) * 2004-02-09 2010-09-14 Emigrant Bank, N.A. Apparatus and method for an ultrasonic medical device operating in torsional and transverse modes
EP1713394A1 (fr) 2004-02-09 2006-10-25 Omnisonics Medical Technologies, Inc. Appareil et procede pour dispositif medical a ultrasons fonctionnant en modes de torsion et transversal
WO2005084553A1 (fr) 2004-02-09 2005-09-15 Omnisonics Medical Technologies, Inc. Appareil et procede pour dispositif medical a ultrasons fonctionnant en mode de torsion
US20050187514A1 (en) * 2004-02-09 2005-08-25 Omnisonics Medical Technologies, Inc. Apparatus and method for an ultrasonic medical device operating in a torsional mode
JP2005227215A (ja) * 2004-02-16 2005-08-25 Matsushita Electric Ind Co Ltd 角速度センサおよびその設計方法
US20050267488A1 (en) * 2004-05-13 2005-12-01 Omnisonics Medical Technologies, Inc. Apparatus and method for using an ultrasonic medical device to treat urolithiasis
US20050256410A1 (en) * 2004-05-14 2005-11-17 Omnisonics Medical Technologies, Inc. Apparatus and method for an ultrasonic probe capable of bending with aid of a balloon
US20060116610A1 (en) * 2004-11-30 2006-06-01 Omnisonics Medical Technologies, Inc. Apparatus and method for an ultrasonic medical device with variable frequency drive
JP2011155629A (ja) * 2009-12-29 2011-08-11 Seiko Epson Corp 振動片、振動子、発振器、電子機器、および周波数調整方法
JP5581887B2 (ja) * 2009-12-29 2014-09-03 セイコーエプソン株式会社 振動片、振動子、発振器、電子機器、および周波数調整方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2009379C3 (de) * 1970-02-27 1975-01-30 Gebrueder Junghans Gmbh, 7230 Schramberg Piezoelektrischer Oszillator in Form einer Stimmgabel als Zeitnormal für zeithaltende Geräte
JPS5232695A (en) * 1975-09-09 1977-03-12 Seiko Instr & Electronics Ltd Piezo-oscillator
US4076987A (en) * 1976-12-10 1978-02-28 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Multiple resonator or filter vibrating in a coupled mode
GB2006520B (en) * 1977-09-07 1982-06-30 Suwa Seikosha Kk Piezoelectric resonator
US4320320A (en) * 1978-12-01 1982-03-16 Kabushiki Kaisha Suwa Seikosha Coupled mode tuning fork type quartz crystal vibrator
FR2477803A1 (fr) * 1980-03-04 1981-09-11 Suwa Seikosha Kk Resonateur a quartz du type diapason a couplage de modes

Also Published As

Publication number Publication date
US4498025A (en) 1985-02-05
DE3149171A1 (de) 1982-07-29
GB2091486B (en) 1984-10-03
GB2091486A (en) 1982-07-28

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