SE392375B - Akustisk ytvagsanordning - Google Patents

Akustisk ytvagsanordning

Info

Publication number
SE392375B
SE392375B SE7411541A SE7411541A SE392375B SE 392375 B SE392375 B SE 392375B SE 7411541 A SE7411541 A SE 7411541A SE 7411541 A SE7411541 A SE 7411541A SE 392375 B SE392375 B SE 392375B
Authority
SE
Sweden
Prior art keywords
surface water
water device
acoustic surface
acoustic
water
Prior art date
Application number
SE7411541A
Other languages
English (en)
Other versions
SE7411541L (sv
Inventor
R F Mitchell
R Stevens
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE7411541L publication Critical patent/SE7411541L/xx
Publication of SE392375B publication Critical patent/SE392375B/sv

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
SE7411541A 1973-09-17 1974-09-13 Akustisk ytvagsanordning SE392375B (sv)

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 (2)

Publication Number Publication Date
SE7411541L SE7411541L (sv) 1975-03-18
SE392375B true SE392375B (sv) 1977-03-21

Family

ID=10428948

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7411541A SE392375B (sv) 1973-09-17 1974-09-13 Akustisk ytvagsanordning

Country Status (9)

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

Families Citing this family (12)

* 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
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
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
US3739290A (en) * 1971-05-05 1973-06-12 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

Also Published As

Publication number Publication date
DE2443608A1 (de) 1975-03-20
BE819969A (fr) 1975-03-17
US3955159A (en) 1976-05-04
GB1413916A (en) 1975-11-12
FR2244302A1 (sv) 1975-04-11
JPS5057747A (sv) 1975-05-20
ES430055A1 (es) 1976-10-16
IT1020800B (it) 1977-12-30
SE7411541L (sv) 1975-03-18
FR2244302B1 (sv) 1978-08-11

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