NL155693B - Elektromechanisch filter. - Google Patents
Elektromechanisch filter.Info
- Publication number
- NL155693B NL155693B NL6916084.A NL6916084A NL155693B NL 155693 B NL155693 B NL 155693B NL 6916084 A NL6916084 A NL 6916084A NL 155693 B NL155693 B NL 155693B
- Authority
- NL
- Netherlands
- Prior art keywords
- electromechanical filter
- electromechanical
- filter
- 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
- H03H9/46—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 (2)
Publication Number | Publication Date |
---|---|
NL6916084A NL6916084A (xx) | 1970-05-04 |
NL155693B true NL155693B (nl) | 1978-01-16 |
Family
ID=25093109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6916084.A NL155693B (nl) | 1968-10-30 | 1969-10-24 | Elektromechanisch filter. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3573672A (xx) |
BE (1) | BE740969A (xx) |
CH (1) | CH501340A (xx) |
DE (1) | DE1953826C2 (xx) |
FR (1) | FR2021887A1 (xx) |
GB (1) | GB1287002A (xx) |
NL (1) | NL155693B (xx) |
SE (1) | SE365083B (xx) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3699484A (en) * | 1970-06-24 | 1972-10-17 | Vernitron Corp | Width extensional 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 (xx) * | 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 |
US4218631A (en) * | 1977-06-08 | 1980-08-19 | Kinsekisha Laboratory, Ltd. | Electrode structure for thickness mode piezoelectric vibrating elements |
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 |
JPH05508293A (ja) * | 1991-04-22 | 1993-11-18 | モトローラ・インコーポレーテッド | 本来の場所に仕上げプレートマスクを有する表面実装可能圧電装置 |
EP0706835B1 (en) * | 1994-10-10 | 1999-01-20 | Endress + Hauser GmbH + Co. | Method of operating an ultrasonic piezoelectric transducer and circuit arrangement for performing the method |
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 (xx) * | 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 |
---|---|
CH501340A (de) | 1970-12-31 |
DE1953826C2 (de) | 1985-02-14 |
GB1287002A (en) | 1972-08-31 |
NL6916084A (xx) | 1970-05-04 |
SE365083B (xx) | 1974-03-11 |
BE740969A (xx) | 1970-04-01 |
FR2021887A1 (xx) | 1970-07-24 |
US3573672A (en) | 1971-04-06 |
DE1953826A1 (de) | 1970-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: WEST ELECTR |