DE3368158D1 - Surface acoustic wave device - Google Patents
Surface acoustic wave deviceInfo
- Publication number
- DE3368158D1 DE3368158D1 DE8383104903T DE3368158T DE3368158D1 DE 3368158 D1 DE3368158 D1 DE 3368158D1 DE 8383104903 T DE8383104903 T DE 8383104903T DE 3368158 T DE3368158 T DE 3368158T DE 3368158 D1 DE3368158 D1 DE 3368158D1
- Authority
- DE
- Germany
- Prior art keywords
- acoustic wave
- surface acoustic
- wave device
- wave
- acoustic
- 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
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
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
- H03H9/14552—Transducers of particular shape or position comprising split fingers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02779—Continuous surface reflective arrays
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57083067A JPS58200618A (ja) | 1982-05-19 | 1982-05-19 | 弾性表面波装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3368158D1 true DE3368158D1 (en) | 1987-01-15 |
Family
ID=13791830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383104903T Expired DE3368158D1 (en) | 1982-05-19 | 1983-05-18 | Surface acoustic wave device |
Country Status (4)
Country | Link |
---|---|
US (1) | US4558364A (de) |
EP (1) | EP0094683B1 (de) |
JP (1) | JPS58200618A (de) |
DE (1) | DE3368158D1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900008524B1 (ko) * | 1987-08-19 | 1990-11-24 | 삼성전자 주식회사 | 위성수신기의 지대지간섭 제거를 위한 탄성표면파 필터 |
JP2944287B2 (ja) * | 1991-12-27 | 1999-08-30 | 日本電気株式会社 | 弾性表面波フィルタ |
JPH0750548A (ja) * | 1993-05-31 | 1995-02-21 | Canon Inc | 弾性表面波素子 |
US5793147A (en) * | 1994-05-30 | 1998-08-11 | Murata Manufacturing Co., Ltd. | Surface wave resonator having single component including a plurality of resonant units |
DE19638399C3 (de) * | 1996-09-19 | 2002-04-18 | Epcos Ag | Oberflächenwellenfilter |
JP2982864B2 (ja) * | 1996-10-14 | 1999-11-29 | 日本電気株式会社 | 弾性表面波装置 |
CN101316099B (zh) * | 2008-07-04 | 2010-06-16 | 无锡市好达电子有限公司 | 双通道声表面波滤波器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1381912A (en) * | 1972-03-30 | 1975-01-29 | Standard Telephones Cables Ltd | Acoustic wave devices |
JPS514933A (ja) * | 1974-07-02 | 1976-01-16 | Tokyo Shibaura Electric Co | Hyomenhasochi |
US4006290A (en) * | 1974-08-12 | 1977-02-01 | Gte Sylvania Incorporated | Surface wave frequency selective device |
JPS5422435U (de) | 1977-07-14 | 1979-02-14 | ||
JPS5913473B2 (ja) * | 1977-07-21 | 1984-03-29 | 株式会社岩倉組 | 軽量成形体の製造方法 |
GB2009546A (en) * | 1977-11-16 | 1979-06-13 | Plessey Co Ltd | Television receiver IF and detector arrangement |
JPS5773514A (en) * | 1980-10-25 | 1982-05-08 | Fujitsu Ltd | Surface acoustic wave filter |
JPS5857813A (ja) * | 1981-10-02 | 1983-04-06 | Hitachi Ltd | 振幅周波数特性の可変な弾性表面波装置 |
-
1982
- 1982-05-19 JP JP57083067A patent/JPS58200618A/ja active Pending
-
1983
- 1983-05-17 US US06/495,494 patent/US4558364A/en not_active Expired - Lifetime
- 1983-05-18 EP EP83104903A patent/EP0094683B1/de not_active Expired
- 1983-05-18 DE DE8383104903T patent/DE3368158D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0094683A3 (en) | 1984-12-19 |
EP0094683B1 (de) | 1986-12-03 |
EP0094683A2 (de) | 1983-11-23 |
JPS58200618A (ja) | 1983-11-22 |
US4558364A (en) | 1985-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings |