CH648184GA3 - - Google Patents
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- 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
Links
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 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
-
- 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)
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 (enrdf_load_stackoverflow) | 1985-03-15 |
Family
ID=26444807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH793781A CH648184GA3 (enrdf_load_stackoverflow) | 1980-12-12 | 1981-12-11 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4498025A (enrdf_load_stackoverflow) |
| CH (1) | CH648184GA3 (enrdf_load_stackoverflow) |
| DE (1) | DE3149171A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2091486B (enrdf_load_stackoverflow) |
Families Citing this family (25)
| 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 |
| 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 |
| US6524251B2 (en) | 1999-10-05 | 2003-02-25 | Omnisonics Medical Technologies, Inc. | Ultrasonic device for tissue ablation and sheath for use therewith |
| US6660013B2 (en) * | 1999-10-05 | 2003-12-09 | Omnisonics Medical Technologies, Inc. | Apparatus for removing plaque from blood vessels using ultrasonic energy |
| US6551337B1 (en) | 1999-10-05 | 2003-04-22 | Omnisonics Medical Technologies, Inc. | Ultrasonic medical device operating in a transverse mode |
| CA2327576C (en) | 1999-12-21 | 2008-09-30 | Eta Sa Fabriques D'ebauches | Low frequency quartz oscillator device with improved thermal characteristics |
| DE69906097T2 (de) * | 1999-12-21 | 2004-02-19 | Eta S.A. Fabriques D'ebauches | Oszillatoranordnung für einen Niederfrequenz-Quarz und mit verbessertem Temperatur-Verhalten |
| US7043969B2 (en) * | 2002-10-18 | 2006-05-16 | Symyx Technologies, Inc. | Machine fluid sensor and method |
| CN1706098B (zh) * | 2003-03-28 | 2013-01-02 | 株式会社大真空 | 音叉型振子的频率调整方法和通过该方法调整频率的音叉型振子 |
| 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 |
| 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 (en) | 2004-02-09 | 2006-10-25 | Omnisonics Medical Technologies, Inc. | Apparatus and method for an ultrasonic medical device operating in torsional and transverse modes |
| WO2005084553A1 (en) | 2004-02-09 | 2005-09-15 | 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)
| 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 |
-
1981
- 1981-11-20 US US06/323,488 patent/US4498025A/en not_active Expired - Fee Related
- 1981-12-11 CH CH793781A patent/CH648184GA3/fr unknown
- 1981-12-11 DE DE19813149171 patent/DE3149171A1/de not_active Withdrawn
- 1981-12-11 GB GB8137511A patent/GB2091486B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2091486A (en) | 1982-07-28 |
| US4498025A (en) | 1985-02-05 |
| DE3149171A1 (de) | 1982-07-29 |
| GB2091486B (en) | 1984-10-03 |
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