NL183330C - Inrichting werkend met akoestische oppervlaktegolven. - Google Patents

Inrichting werkend met akoestische oppervlaktegolven.

Info

Publication number
NL183330C
NL183330C NLAANVRAGE7503373,A NL7503373A NL183330C NL 183330 C NL183330 C NL 183330C NL 7503373 A NL7503373 A NL 7503373A NL 183330 C NL183330 C NL 183330C
Authority
NL
Netherlands
Prior art keywords
device operating
surface waves
acoustic surface
acoustic
waves
Prior art date
Application number
NLAANVRAGE7503373,A
Other languages
English (en)
Other versions
NL183330B (nl
NL7503373A (nl
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of NL7503373A publication Critical patent/NL7503373A/nl
Publication of NL183330B publication Critical patent/NL183330B/nl
Application granted granted Critical
Publication of NL183330C publication Critical patent/NL183330C/nl

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)
NLAANVRAGE7503373,A 1974-03-22 1975-03-20 Inrichting werkend met akoestische oppervlaktegolven. NL183330C (nl)

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 (3)

Publication Number Publication Date
NL7503373A NL7503373A (nl) 1975-09-24
NL183330B NL183330B (nl) 1988-04-18
NL183330C true NL183330C (nl) 1988-09-16

Family

ID=23801305

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7503373,A NL183330C (nl) 1974-03-22 1975-03-20 Inrichting werkend met akoestische oppervlaktegolven.

Country Status (8)

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

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 (de) * 1979-03-12 1984-09-06 Siemens AG, 1000 Berlin und 8000 München Akustische Oberflächenwellenanordnung
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 (ja) * 1982-06-07 1983-12-12 Clarion Co Ltd 弾性表面波装置
US4491758A (en) * 1983-05-03 1985-01-01 R F Monolithics, Inc. Surface wave device with oversampled withdrawal weighting
DE3438246A1 (de) * 1984-10-18 1986-04-24 Siemens AG, 1000 Berlin und 8000 München Akustisches wellenfilter
GB8615522D0 (en) * 1986-06-25 1986-07-30 Gen Electric Co Plc Surface acoustic wave filters
JP2870751B2 (ja) * 1987-02-13 1999-03-17 株式会社東芝 弾性表面波フィルタ
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 (ja) 1998-01-20 2002-03-18 東洋通信機株式会社 反射反転型弾性表面波変換器及びフィルタ

Family Cites Families (5)

* 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
US3581248A (en) * 1969-03-26 1971-05-25 Zenith Radio Corp Acoustic filters
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

Also Published As

Publication number Publication date
NL183330B (nl) 1988-04-18
AU7720175A (en) 1976-07-15
USB453616I5 (nl) 1976-01-27
JPS5744256B2 (nl) 1982-09-20
FR2265220B1 (nl) 1980-08-14
AU504238B2 (en) 1979-10-04
CA1049646A (en) 1979-02-27
GB1490882A (en) 1977-11-02
DE2512671A1 (de) 1975-09-25
JPS50126351A (nl) 1975-10-04
US3987376A (en) 1976-10-19
NL7503373A (nl) 1975-09-24
FR2265220A1 (nl) 1975-10-17

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee