JPS5320181B1 - - Google Patents

Info

Publication number
JPS5320181B1
JPS5320181B1 JP4957672A JP4957672A JPS5320181B1 JP S5320181 B1 JPS5320181 B1 JP S5320181B1 JP 4957672 A JP4957672 A JP 4957672A JP 4957672 A JP4957672 A JP 4957672A JP S5320181 B1 JPS5320181 B1 JP S5320181B1
Authority
JP
Japan
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.)
Pending
Application number
JP4957672A
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 JPS5320181B1 publication Critical patent/JPS5320181B1/ja
Pending legal-status Critical Current

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
    • 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
    • H03H9/14517—Means for weighting
    • 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
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP4957672A 1971-05-24 1972-05-20 Pending JPS5320181B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1664171 1971-05-24

Publications (1)

Publication Number Publication Date
JPS5320181B1 true JPS5320181B1 (ja) 1978-06-24

Family

ID=10080983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4957672A Pending JPS5320181B1 (ja) 1971-05-24 1972-05-20

Country Status (12)

Country Link
US (1) US3768032A (ja)
JP (1) JPS5320181B1 (ja)
AU (1) AU461183B2 (ja)
BE (1) BE783831A (ja)
CA (1) CA965186A (ja)
DE (1) DE2224497C3 (ja)
ES (1) ES403041A1 (ja)
FR (1) FR2138957B1 (ja)
GB (1) GB1355418A (ja)
IT (1) IT958930B (ja)
NL (1) NL7206879A (ja)
SE (1) SE380412B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55157480U (ja) * 1979-04-27 1980-11-12
JPS5745376U (ja) * 1980-08-27 1982-03-12

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906432A (en) * 1972-07-20 1975-09-16 Ibm Grating guides for acoustic surface waves
JPS5418910B2 (ja) * 1973-08-31 1979-07-11
GB1514923A (en) * 1974-07-02 1978-06-21 Plessey Co Ltd Acoustic surface wave filters
DE2618210C3 (de) * 1976-04-26 1980-03-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip
JPS56132807A (en) * 1980-03-24 1981-10-17 Hitachi Ltd Surface wave circuit equipment
WO1982001790A1 (en) * 1980-11-17 1982-05-27 Lewis Meirion F Improvements in or relating to methods of producing devices comprising metallised regions on dielectric substrates
JPS596612A (ja) * 1982-07-05 1984-01-13 Hitachi Ltd 弾性表面波装置
GB2157522B (en) * 1984-04-09 1987-08-19 Philips Electronic Associated Electrical filter comprising an acoustic surface wave device, and method of manufacturing such a filter
JP4735840B2 (ja) * 2005-12-06 2011-07-27 セイコーエプソン株式会社 圧電体積層体、表面弾性波素子、薄膜圧電共振子および圧電アクチュエータ
CN100539228C (zh) * 2005-12-06 2009-09-09 精工爱普生株式会社 压电层压体、表面声波元件、压电谐振器及压电传动装置
EP2239846B1 (en) * 2006-03-17 2016-02-10 Murata Manufacturing Co., Ltd. Acoustic wave resonator
EP2963818B1 (en) * 2006-11-08 2023-06-28 Skyworks Filter Solutions Japan Co., Ltd. Surface acoustic wave resonator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289114A (en) * 1963-12-24 1966-11-29 Bell Telephone Labor Inc Tapped ultrasonic delay line and uses therefor
US3696312A (en) * 1970-06-30 1972-10-03 Ibm Cyclotron resonance devices controllable by electric fields

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55157480U (ja) * 1979-04-27 1980-11-12
JPS5745376U (ja) * 1980-08-27 1982-03-12

Also Published As

Publication number Publication date
SE380412B (sv) 1975-11-03
AU461183B2 (en) 1975-05-15
DE2224497A1 (de) 1972-11-30
NL7206879A (ja) 1972-11-28
DE2224497C3 (de) 1980-09-25
IT958930B (it) 1973-10-30
CA965186A (en) 1975-03-25
FR2138957A1 (ja) 1973-01-05
US3768032A (en) 1973-10-23
GB1355418A (en) 1974-06-05
AU4254472A (en) 1973-11-29
FR2138957B1 (ja) 1973-07-13
BE783831A (fr) 1972-11-23
ES403041A1 (es) 1975-04-16
DE2224497B2 (de) 1979-11-29

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