AT341578B - Elektroakustischer wandler zur elektrischen anregung einer akustischen oberflachenwelle bzw. zur akustischen anregung einer elektrischen welle durch den piezoelektrischen effekt - Google Patents
Elektroakustischer wandler zur elektrischen anregung einer akustischen oberflachenwelle bzw. zur akustischen anregung einer elektrischen welle durch den piezoelektrischen effektInfo
- Publication number
- AT341578B AT341578B AT965175A AT965175A AT341578B AT 341578 B AT341578 B AT 341578B AT 965175 A AT965175 A AT 965175A AT 965175 A AT965175 A AT 965175A AT 341578 B AT341578 B AT 341578B
- Authority
- AT
- Austria
- Prior art keywords
- excitation
- electric
- acoustic
- wave
- piezoelectric effect
- Prior art date
Links
- 230000005284 excitation Effects 0.000 title 2
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
- H03H9/02—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
- H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C8/00—Arrangements for selecting an address in a digital store
- G11C8/005—Arrangements for selecting an address in a digital store with travelling wave access
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—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
- H03H9/14558—Slanted, tapered or fan shaped transducers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—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
- H03H9/14564—Shifted fingers transducers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—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
- H03H9/14564—Shifted fingers transducers
- H03H9/14567—Stepped-fan shaped transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT965175A AT341578B (de) | 1975-12-19 | 1975-12-19 | Elektroakustischer wandler zur elektrischen anregung einer akustischen oberflachenwelle bzw. zur akustischen anregung einer elektrischen welle durch den piezoelektrischen effekt |
DE19762656154 DE2656154A1 (de) | 1975-12-19 | 1976-12-10 | Elektroakustischer wandler zum einschreiben und auslesen von information aus einer zweidimensionalen oder dreidimensionalen matrix |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT965175A AT341578B (de) | 1975-12-19 | 1975-12-19 | Elektroakustischer wandler zur elektrischen anregung einer akustischen oberflachenwelle bzw. zur akustischen anregung einer elektrischen welle durch den piezoelektrischen effekt |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA965175A ATA965175A (de) | 1977-06-15 |
AT341578B true AT341578B (de) | 1978-02-10 |
Family
ID=3616085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT965175A AT341578B (de) | 1975-12-19 | 1975-12-19 | Elektroakustischer wandler zur elektrischen anregung einer akustischen oberflachenwelle bzw. zur akustischen anregung einer elektrischen welle durch den piezoelektrischen effekt |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT341578B (de) |
DE (1) | DE2656154A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2401551A1 (fr) * | 1977-06-03 | 1979-03-23 | Matsushita Electric Ind Co Ltd | Filtre a ondes acoustiques de surface |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2839851C2 (de) * | 1978-09-13 | 1980-09-25 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Oberflächenwellenanordnung mit verbesserter Störsignalunterdrückung |
GB2212685B (en) * | 1987-11-17 | 1992-10-14 | Japan Radio Co Ltd | Surface elastic wave device |
JP2606708B2 (ja) * | 1987-11-17 | 1997-05-07 | 日本無線株式会社 | 弾性表面波フィルタ |
US6023122A (en) * | 1999-04-15 | 2000-02-08 | Nortel Networks Corporation | Surface wave devices with tapered transducers |
JP2003501934A (ja) * | 1999-06-03 | 2003-01-14 | テレ フィルター ツヴァイクニーダーラッスング デア ドーヴァー ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツング | 音響表面波フィルタ |
WO2015155984A1 (en) | 2014-04-08 | 2015-10-15 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Acoustic wave resonators, acoustic wave filters, antenna duplexers, modules and communication devices using the same |
CN115791917B (zh) * | 2022-11-10 | 2024-06-28 | 中国科学院长春应用化学研究所 | 圆形等面积单元划分方法及其在叉指电极分布中的应用 |
-
1975
- 1975-12-19 AT AT965175A patent/AT341578B/de active
-
1976
- 1976-12-10 DE DE19762656154 patent/DE2656154A1/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2401551A1 (fr) * | 1977-06-03 | 1979-03-23 | Matsushita Electric Ind Co Ltd | Filtre a ondes acoustiques de surface |
Also Published As
Publication number | Publication date |
---|---|
ATA965175A (de) | 1977-06-15 |
DE2656154A1 (de) | 1977-07-07 |
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