CH501340A - Kristallfilter - Google Patents
KristallfilterInfo
- Publication number
- CH501340A CH501340A CH1598269A CH1598269A CH501340A CH 501340 A CH501340 A CH 501340A CH 1598269 A CH1598269 A CH 1598269A CH 1598269 A CH1598269 A CH 1598269A CH 501340 A CH501340 A CH 501340A
- Authority
- CH
- Switzerland
- Prior art keywords
- crystal filter
- crystal
- filter
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title 1
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
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
- H03H9/566—Electric coupling means therefor
-
- 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
Landscapes
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77184368A | 1968-10-30 | 1968-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH501340A true CH501340A (de) | 1970-12-31 |
Family
ID=25093109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1598269A CH501340A (de) | 1968-10-30 | 1969-10-27 | Kristallfilter |
Country Status (8)
Country | Link |
---|---|
US (1) | US3573672A (de) |
BE (1) | BE740969A (de) |
CH (1) | CH501340A (de) |
DE (1) | DE1953826C2 (de) |
FR (1) | FR2021887A1 (de) |
GB (1) | GB1287002A (de) |
NL (1) | NL155693B (de) |
SE (1) | SE365083B (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3614483A (en) * | 1970-06-24 | 1971-10-19 | Clevite Corp | Width flexural resonator and coupled mode filter |
US3697788A (en) * | 1970-09-30 | 1972-10-10 | Motorola Inc | Piezoelectric resonating device |
US3732510A (en) * | 1970-10-12 | 1973-05-08 | Bell Telephone Labor Inc | Multisection precision-tuned monolithic crystal filters |
US3676805A (en) * | 1970-10-12 | 1972-07-11 | Bell Telephone Labor Inc | Monolithic crystal filter with auxiliary filter shorting tabs |
JPS5329265B2 (de) * | 1972-09-20 | 1978-08-19 | ||
US4112147A (en) * | 1977-05-13 | 1978-09-05 | Western Electric Company, Inc. | Method of manufacturing a monolithic crystal filter |
DE2823540C2 (de) * | 1977-06-08 | 1985-04-18 | Kinseki Ltd., Tokio/Tokyo | Piezoelektrischer Mehrfachresonator |
US4329666A (en) * | 1980-08-11 | 1982-05-11 | Motorola, Inc. | Two-pole monolithic crystal filter |
US4833430A (en) * | 1984-11-29 | 1989-05-23 | General Electric Company | Coupled-dual resonator crystal |
US4676993A (en) * | 1984-11-29 | 1987-06-30 | General Electric Company | Method and apparatus for selectively fine-tuning a coupled-dual resonator crystal and crystal manufactured thereby |
US4627379A (en) * | 1984-11-29 | 1986-12-09 | General Electric Company | Shutter apparatus for fine-tuning a coupled-dual resonator crystal |
US4839618A (en) * | 1987-05-26 | 1989-06-13 | General Electric Company | Monolithic crystal filter with wide bandwidth and method of making same |
KR960006639B1 (ko) * | 1991-04-22 | 1996-05-22 | 모토로라 인코포레이티드 | 표면 설치 가능한 압전 장치 |
EP0706835B1 (de) * | 1994-10-10 | 1999-01-20 | Endress + Hauser GmbH + Co. | Ein Verfahren zum Betrieb eines Ultraschallwandlers und Schaltungsanordnung zur Durchführung des Verfahrens |
JPH1098350A (ja) * | 1996-07-31 | 1998-04-14 | Daishinku Co | 圧電振動デバイス |
US6020797A (en) * | 1998-08-21 | 2000-02-01 | Cts Corporation | Electrode connection configuration and method for a multi-pole monolithic crystal filter |
JP2008206139A (ja) * | 2007-01-25 | 2008-09-04 | Matsushita Electric Ind Co Ltd | 二重モード圧電フィルタ、その製造方法、およびそれを用いた高周波回路部品および通信機器 |
JP2008245243A (ja) * | 2007-02-26 | 2008-10-09 | Epson Toyocom Corp | 輪郭振動子、輪郭振動子の調整方法 |
FR2966306B1 (fr) | 2010-10-15 | 2013-06-14 | Commissariat Energie Atomique | Filtre baw a couplage lateral utilisant des cristaux phononiques |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2345491A (en) * | 1941-11-25 | 1944-03-28 | Bell Telephone Labor Inc | Wave transmission network |
US2859346A (en) * | 1954-07-28 | 1958-11-04 | Motorola Inc | Crystal oscillator |
US2956184A (en) * | 1954-11-01 | 1960-10-11 | Honeywell Regulator Co | Transducer |
NL277292A (de) * | 1961-06-20 | |||
US3271704A (en) * | 1963-03-25 | 1966-09-06 | Bell Telephone Labor Inc | Ultrasonic delay device |
US3382381A (en) * | 1965-05-27 | 1968-05-07 | Piezo Technology Inc | Tab plateback |
FR1523518A (fr) * | 1966-04-11 | 1968-05-03 | Western Electric Co | Dispositif acoustique servant à transmettre de l'énergie entre deux circuits d'énergie |
-
1968
- 1968-10-30 US US771843A patent/US3573672A/en not_active Expired - Lifetime
-
1969
- 1969-10-22 SE SE14466/69A patent/SE365083B/xx unknown
- 1969-10-24 NL NL6916084.A patent/NL155693B/xx not_active IP Right Cessation
- 1969-10-24 FR FR6936540A patent/FR2021887A1/fr not_active Withdrawn
- 1969-10-25 DE DE1953826A patent/DE1953826C2/de not_active Expired
- 1969-10-27 CH CH1598269A patent/CH501340A/de not_active IP Right Cessation
- 1969-10-27 GB GB52467/69A patent/GB1287002A/en not_active Expired
- 1969-10-29 BE BE740969D patent/BE740969A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE740969A (de) | 1970-04-01 |
DE1953826C2 (de) | 1985-02-14 |
NL6916084A (de) | 1970-05-04 |
SE365083B (de) | 1974-03-11 |
US3573672A (en) | 1971-04-06 |
NL155693B (nl) | 1978-01-16 |
DE1953826A1 (de) | 1970-05-21 |
GB1287002A (en) | 1972-08-31 |
FR2021887A1 (de) | 1970-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |