JPS5057747A - - Google Patents

Info

Publication number
JPS5057747A
JPS5057747A JP49107087A JP10708774A JPS5057747A JP S5057747 A JPS5057747 A JP S5057747A JP 49107087 A JP49107087 A JP 49107087A JP 10708774 A JP10708774 A JP 10708774A JP S5057747 A JPS5057747 A JP S5057747A
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
JP49107087A
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 JPS5057747A publication Critical patent/JPS5057747A/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
    • H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP49107087A 1973-09-17 1974-09-17 Pending JPS5057747A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4348373A GB1413916A (en) 1973-09-17 1973-09-17 Acoustic surface-wave devices

Publications (1)

Publication Number Publication Date
JPS5057747A true JPS5057747A (ja) 1975-05-20

Family

ID=10428948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49107087A Pending JPS5057747A (ja) 1973-09-17 1974-09-17

Country Status (9)

Country Link
US (1) US3955159A (ja)
JP (1) JPS5057747A (ja)
BE (1) BE819969A (ja)
DE (1) DE2443608A1 (ja)
ES (1) ES430055A1 (ja)
FR (1) FR2244302B1 (ja)
GB (1) GB1413916A (ja)
IT (1) IT1020800B (ja)
SE (1) SE392375B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006333024A (ja) * 2005-05-26 2006-12-07 Seiko Epson Corp 弾性表面波素子片、弾性表面波デバイスおよび電子機器

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081769A (en) * 1976-09-13 1978-03-28 Texas Instruments Incorporated Acoustic surface wave resonator with suppressed direct coupled response
GB1554366A (en) * 1977-02-04 1979-10-17 Philips Electronic Associated Acoustic surface wave devices
JPS547257A (en) * 1977-06-20 1979-01-19 Hitachi Ltd Elastic surface wave device
SU726648A1 (ru) * 1977-07-22 1980-04-05 Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср Устройство на поверхностных акустических волнах
WO1980002091A1 (en) * 1979-03-21 1980-10-02 Inst Radiotekh Elektron Filter based on the use of surface acoustic waves
GB2090093A (en) * 1980-12-19 1982-06-30 Philips Electronic Associated Acoustic wave devices
US4841470A (en) * 1985-06-25 1989-06-20 Clarion, Co., Ltd. Surface acoustic wave device for differential phase shift keying convolving
DE19638398C2 (de) * 1996-09-19 1999-12-30 Siemens Matsushita Components Oberflächenwellen-Bauelement
US6472987B1 (en) 2000-07-14 2002-10-29 Massachusetts Institute Of Technology Wireless monitoring and identification using spatially inhomogeneous structures
JP4537254B2 (ja) * 2005-04-28 2010-09-01 富士通メディアデバイス株式会社 弾性表面波フィルタおよび分波器
US7595929B1 (en) 2006-05-30 2009-09-29 Crystal Technology, Inc. Grooved backside acoustic termination of acousto-optic devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596211A (en) * 1967-11-06 1971-07-27 Zenith Radio Corp Surface-wave filter reflection cancellation
US3559115A (en) * 1968-02-28 1971-01-26 Zenith Radio Corp Surface-wave filter reflection cancellation
US3836876A (en) * 1971-05-05 1974-09-17 Secr Defence Acoustic surface wave devices
US3757256A (en) * 1971-08-02 1973-09-04 Us Navy Surface wave transducers with cancellation of secondary response
US3727718A (en) * 1971-11-24 1973-04-17 Us Navy Surface wave ambiguity analyzer
US3846722A (en) * 1973-04-04 1974-11-05 Westinghouse Electric Corp Surface wave preselector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006333024A (ja) * 2005-05-26 2006-12-07 Seiko Epson Corp 弾性表面波素子片、弾性表面波デバイスおよび電子機器
JP4702528B2 (ja) * 2005-05-26 2011-06-15 セイコーエプソン株式会社 弾性表面波素子片、弾性表面波デバイスおよび電子機器

Also Published As

Publication number Publication date
US3955159A (en) 1976-05-04
ES430055A1 (es) 1976-10-16
SE7411541L (ja) 1975-03-18
FR2244302B1 (ja) 1978-08-11
GB1413916A (en) 1975-11-12
DE2443608A1 (de) 1975-03-20
FR2244302A1 (ja) 1975-04-11
SE392375B (sv) 1977-03-21
BE819969A (fr) 1975-03-17
IT1020800B (it) 1977-12-30

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