USB453616I5 - - Google Patents

Info

Publication number
USB453616I5
USB453616I5 US45361674A USB453616I5 US B453616 I5 USB453616 I5 US B453616I5 US 45361674 A US45361674 A US 45361674A US B453616 I5 USB453616 I5 US B453616I5
Authority
US
United States
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
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
Priority to US05/453,616 priority Critical patent/US3987376A/en
Priority to JP49146228A priority patent/JPS5744256B2/ja
Priority to GB536/75A priority patent/GB1490882A/en
Priority to AU77201/75A priority patent/AU504238B2/en
Priority to CA217,629A priority patent/CA1049646A/en
Priority to FR7508562A priority patent/FR2265220B1/fr
Priority to NLAANVRAGE7503373,A priority patent/NL183330C/en
Priority to DE19752512671 priority patent/DE2512671A1/en
Publication of USB453616I5 publication Critical patent/USB453616I5/en
Application granted granted Critical
Publication of US3987376A publication Critical patent/US3987376A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03H9/14552—Transducers of particular shape or position comprising split fingers
    • 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
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
US05/453,616 1974-03-22 1974-03-22 Acoustic surface wave device with harmonic coupled transducers Expired - Lifetime US3987376A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US05/453,616 US3987376A (en) 1974-03-22 1974-03-22 Acoustic surface wave device with harmonic coupled transducers
JP49146228A JPS5744256B2 (en) 1974-03-22 1974-12-19
GB536/75A GB1490882A (en) 1974-03-22 1975-01-07 Acoustic surface wave device with harmonic coupled transducers
CA217,629A CA1049646A (en) 1974-03-22 1975-01-09 Acoustic surface wave device with harmonic coupled transducers
AU77201/75A AU504238B2 (en) 1974-03-22 1975-01-09 Acoustic surface wave device with harmonic coupled transducers
FR7508562A FR2265220B1 (en) 1974-03-22 1975-03-19
NLAANVRAGE7503373,A NL183330C (en) 1974-03-22 1975-03-20 DEVICE OPERATING WITH ACOUSTIC SURFACE WAVES.
DE19752512671 DE2512671A1 (en) 1974-03-22 1975-03-21 DEVICE WORKING WITH ACOUSTIC SURFACE WAVES IN A SELECTED FREQUENCY RANGE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/453,616 US3987376A (en) 1974-03-22 1974-03-22 Acoustic surface wave device with harmonic coupled transducers

Publications (2)

Publication Number Publication Date
USB453616I5 true USB453616I5 (en) 1976-01-27
US3987376A US3987376A (en) 1976-10-19

Family

ID=23801305

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/453,616 Expired - Lifetime US3987376A (en) 1974-03-22 1974-03-22 Acoustic surface wave device with harmonic coupled transducers

Country Status (8)

Country Link
US (1) US3987376A (en)
JP (1) JPS5744256B2 (en)
AU (1) AU504238B2 (en)
CA (1) CA1049646A (en)
DE (1) DE2512671A1 (en)
FR (1) FR2265220B1 (en)
GB (1) GB1490882A (en)
NL (1) NL183330C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075582A (en) * 1976-06-14 1978-02-21 International Business Machines Corporation Surface acoustic wave device
US4249146A (en) * 1979-02-23 1981-02-03 Trw Inc. Surface acoustic wave resonators utilizing harmonic frequencies
DE2909705C2 (en) * 1979-03-12 1984-09-06 Siemens AG, 1000 Berlin und 8000 München Surface acoustic wave arrangement
JPS5797214A (en) * 1980-12-08 1982-06-16 Matsushita Electric Ind Co Ltd Transducer for surface wave
GB2117593B (en) * 1982-03-31 1985-11-27 Marconi Co Ltd Adjusting the frequency response of surface acoustic wave devices
JPS58213519A (en) * 1982-06-07 1983-12-12 Clarion Co Ltd Elastic surface wave device
US4491758A (en) * 1983-05-03 1985-01-01 R F Monolithics, Inc. Surface wave device with oversampled withdrawal weighting
DE3438246A1 (en) * 1984-10-18 1986-04-24 Siemens AG, 1000 Berlin und 8000 München ACOUSTIC WAVE FILTER
GB8615522D0 (en) * 1986-06-25 1986-07-30 Gen Electric Co Plc Surface acoustic wave filters
JP2870751B2 (en) * 1987-02-13 1999-03-17 株式会社東芝 Surface acoustic wave filter
US5521565A (en) * 1988-09-28 1996-05-28 Siemens Aktiengesellschaft Surface wave interdigital transducer and surface wave filter with symmetric or predeterminable asymmetric transfer characteristic between input and output
US5264751A (en) * 1989-10-20 1993-11-23 Thomson-Csf Unilateral surface wave transducer
US5438306A (en) * 1992-07-02 1995-08-01 Kazuhiko Yamanouchi Surface acoustic wave filter device with symmetrical electrode arrangement
US5952765A (en) * 1996-11-26 1999-09-14 Trw Inc. Reduced coupling saw filter
JP3266846B2 (en) 1998-01-20 2002-03-18 東洋通信機株式会社 Reflection inversion type surface acoustic wave converter and filter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376572A (en) * 1966-09-15 1968-04-02 Rca Corp Electroacoustic wave shaping device
US3614463A (en) * 1970-04-01 1971-10-19 Us Air Force Microwave acoustic surface wave limiter and method of fabrication
US3727155A (en) * 1972-03-20 1973-04-10 Zenith Radio Corp Acoustic surface wave filter
US3742396A (en) * 1971-07-23 1973-06-26 Stanford Research Inst Grating surface acoustic wave transducer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581248A (en) * 1969-03-26 1971-05-25 Zenith Radio Corp Acoustic filters

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376572A (en) * 1966-09-15 1968-04-02 Rca Corp Electroacoustic wave shaping device
US3614463A (en) * 1970-04-01 1971-10-19 Us Air Force Microwave acoustic surface wave limiter and method of fabrication
US3742396A (en) * 1971-07-23 1973-06-26 Stanford Research Inst Grating surface acoustic wave transducer
US3727155A (en) * 1972-03-20 1973-04-10 Zenith Radio Corp Acoustic surface wave filter

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Engan-- "Excitation of Elastic Surface Waves by Spatial Harmonics of Interdigital Transducers" in IEEE Trans. on Electron Devices, vol. ED16, No. 12, Dec. 1969; pp. 1014-1017. *
Kuhn-- "Enhanced Harmonic Response of an Interdigital Surface Acoustic Wave Transducer" in IEEE Trans. Electron Devices, June 1971, p. 395. *
White et al.-- "Direct Piezoelectric Coupling to Surface Electric Waves" in Applied Physic Letters, vol. 7, No. 12, Dec. 15, 1965, pp. 314-316. *

Also Published As

Publication number Publication date
NL183330C (en) 1988-09-16
FR2265220A1 (en) 1975-10-17
GB1490882A (en) 1977-11-02
CA1049646A (en) 1979-02-27
AU504238B2 (en) 1979-10-04
JPS5744256B2 (en) 1982-09-20
FR2265220B1 (en) 1980-08-14
DE2512671A1 (en) 1975-09-25
NL7503373A (en) 1975-09-24
JPS50126351A (en) 1975-10-04
US3987376A (en) 1976-10-19
NL183330B (en) 1988-04-18
AU7720175A (en) 1976-07-15

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