NL7209887A - - Google Patents

Info

Publication number
NL7209887A
NL7209887A NL7209887A NL7209887A NL7209887A NL 7209887 A NL7209887 A NL 7209887A NL 7209887 A NL7209887 A NL 7209887A NL 7209887 A NL7209887 A NL 7209887A NL 7209887 A NL7209887 A NL 7209887A
Authority
NL
Netherlands
Application number
NL7209887A
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 filed Critical
Publication of NL7209887A publication Critical patent/NL7209887A/xx

Links

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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different 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
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Transducers For Ultrasonic Waves (AREA)
NL7209887A 1971-07-22 1972-07-18 NL7209887A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3436871A GB1357193A (en) 1971-07-22 1971-07-22 Acoustic surface wave devices

Publications (1)

Publication Number Publication Date
NL7209887A true NL7209887A (enrdf_load_stackoverflow) 1973-01-24

Family

ID=10364774

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7209887A NL7209887A (enrdf_load_stackoverflow) 1971-07-22 1972-07-18

Country Status (7)

Country Link
AU (1) AU4461772A (enrdf_load_stackoverflow)
DE (1) DE2233137A1 (enrdf_load_stackoverflow)
ES (1) ES405007A1 (enrdf_load_stackoverflow)
FR (1) FR2146823A5 (enrdf_load_stackoverflow)
GB (1) GB1357193A (enrdf_load_stackoverflow)
IT (1) IT961484B (enrdf_load_stackoverflow)
NL (1) NL7209887A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014117A1 (fr) * 1979-01-26 1980-08-06 Thomson-Csf Transducteur d'ondes élastiques de surface et filtre comprenant un tel transducteur

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319245A1 (fr) * 1975-07-24 1977-02-18 Thomson Csf Transducteur perfectionne pour filtre a ondes de surface a fonction de transfert asymetrique et filtre comportant un tel transducteur
FR2328323A1 (fr) * 1975-10-17 1977-05-13 Thomson Csf Transducteur pour filtre a ondes de surface a diffraction reduite, et filtre comportant un tel transducteur
GB1554366A (en) * 1977-02-04 1979-10-17 Philips Electronic Associated Acoustic surface wave devices
WO1980002091A1 (en) * 1979-03-21 1980-10-02 Inst Radiotekh Elektron Filter based on the use of surface acoustic waves
US4321567A (en) * 1980-03-24 1982-03-23 Raytheon Company Combining series sections weighting with withdrawal weighting in SAW transducers
GB2120891B (en) * 1982-05-25 1986-07-02 Plessey Co Plc Interdigital transducer
KR900008524B1 (ko) * 1987-08-19 1990-11-24 삼성전자 주식회사 위성수신기의 지대지간섭 제거를 위한 탄성표면파 필터
EP0489195A1 (de) * 1990-12-05 1992-06-10 SIEMENS MATSUSHITA COMPONENTS GmbH & CO. KG Fernseh-ZF-Filter für Quasi-/Paralleltonanwendungen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014117A1 (fr) * 1979-01-26 1980-08-06 Thomson-Csf Transducteur d'ondes élastiques de surface et filtre comprenant un tel transducteur

Also Published As

Publication number Publication date
DE2233137A1 (de) 1973-02-08
GB1357193A (en) 1974-06-19
AU4461772A (en) 1974-01-24
ES405007A1 (es) 1975-07-01
IT961484B (it) 1973-12-10
FR2146823A5 (enrdf_load_stackoverflow) 1973-03-02

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