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 effekt

Info

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
Application number
AT965175A
Other languages
English (en)
Other versions
ATA965175A (de
Inventor
Hans Dr Kuzmany
Original Assignee
Hans Dr Kuzmany
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hans Dr Kuzmany filed Critical Hans Dr Kuzmany
Priority to AT965175A priority Critical patent/AT341578B/de
Priority to DE19762656154 priority patent/DE2656154A1/de
Publication of ATA965175A publication Critical patent/ATA965175A/de
Application granted granted Critical
Publication of AT341578B publication Critical patent/AT341578B/de

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
    • H03H9/14547—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 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
    • H03H9/14558—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 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
    • H03H9/14564—Shifted fingers transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic 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
    • H03H9/14564—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)
AT965175A 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 AT341578B (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
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
GB2212685B (en) * 1987-11-17 1992-10-14 Japan Radio Co Ltd Surface elastic wave device
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
JP6513104B2 (ja) * 2014-04-08 2019-05-15 スカイワークスフィルターソリューションズジャパン株式会社 弾性波共振器、これを用いた弾性波フィルタ、アンテナ共用器、モジュール及び通信機器
CN115791917A (zh) * 2022-11-10 2023-03-14 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

Cited By (1)

* Cited by examiner, † Cited by third party
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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