DE2738192C3 - Mit elastischen Oberflächenwelle!) arbeitendes Bauelement - Google Patents

Mit elastischen Oberflächenwelle!) arbeitendes Bauelement

Info

Publication number
DE2738192C3
DE2738192C3 DE2738192A DE2738192A DE2738192C3 DE 2738192 C3 DE2738192 C3 DE 2738192C3 DE 2738192 A DE2738192 A DE 2738192A DE 2738192 A DE2738192 A DE 2738192A DE 2738192 C3 DE2738192 C3 DE 2738192C3
Authority
DE
Germany
Prior art keywords
transducer
surface wave
absorber
input
electrodes
Prior art date
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.)
Expired
Application number
DE2738192A
Other languages
German (de)
English (en)
Other versions
DE2738192B2 (de
DE2738192A1 (de
Inventor
Hitoshi Suzuki
Akira Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of DE2738192A1 publication Critical patent/DE2738192A1/de
Publication of DE2738192B2 publication Critical patent/DE2738192B2/de
Application granted granted Critical
Publication of DE2738192C3 publication Critical patent/DE2738192C3/de
Expired 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 elements; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE2738192A 1976-08-24 1977-08-24 Mit elastischen Oberflächenwelle!) arbeitendes Bauelement Expired DE2738192C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10025376A JPS5333557A (en) 1976-08-24 1976-08-24 Elastic surface wave element

Publications (3)

Publication Number Publication Date
DE2738192A1 DE2738192A1 (de) 1978-03-02
DE2738192B2 DE2738192B2 (de) 1980-02-07
DE2738192C3 true DE2738192C3 (de) 1980-11-20

Family

ID=14269047

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2738192A Expired DE2738192C3 (de) 1976-08-24 1977-08-24 Mit elastischen Oberflächenwelle!) arbeitendes Bauelement

Country Status (5)

Country Link
US (1) US4139791A (OSRAM)
JP (1) JPS5333557A (OSRAM)
DE (1) DE2738192C3 (OSRAM)
FR (1) FR2363230A1 (OSRAM)
GB (1) GB1574062A (OSRAM)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5356947A (en) * 1976-11-02 1978-05-23 Victor Co Of Japan Ltd Elastic surface wave element
JPS5370135U (OSRAM) * 1976-11-12 1978-06-13
US4322651A (en) * 1977-05-09 1982-03-30 Murata Manufacturing Co., Ltd. Acoustic surface wave device
NL7810674A (nl) * 1977-12-21 1979-06-25 Tektronix Inc Akoestische oppervlakgolfinrichting.
JPS5854681B2 (ja) * 1979-04-28 1983-12-06 株式会社村田製作所 弾性表面波装置
JPS55151810A (en) * 1979-05-15 1980-11-26 Murata Mfg Co Ltd Elastic surface wave filter
GB2090093A (en) * 1980-12-19 1982-06-30 Philips Electronic Associated Acoustic wave devices
JPS57127321A (en) * 1981-01-30 1982-08-07 Fujitsu Ltd Surface acoustic wave filter
JPS57186819A (en) * 1981-05-13 1982-11-17 Toshiba Corp Surface acoustic wave filter element
JPS57186820A (en) * 1981-05-13 1982-11-17 Toshiba Corp Surface acoustic wave filter element
US4472694A (en) * 1982-09-07 1984-09-18 Gte Laboratories Incorporated Acoustic surface wave device
DE3234955A1 (de) * 1982-09-21 1984-03-22 Siemens AG, 1000 Berlin und 8000 München Oberflaechenwellenfilter, sowie verfahren zur herstellung des oberflaechenwellenfilters
NZ211326A (en) * 1984-03-21 1988-06-30 Mobil Oil Corp Preparing discrete particles containing crystalline zeolite
EP0187918B1 (de) * 1984-12-17 1991-07-24 Siemens Aktiengesellschaft Elektrisches Oberflächenwellenfilter
CA1254994A (en) * 1985-03-29 1989-05-30 Mark S. Suthers Saw devices with reflection-suppressing fingers
CA1299732C (en) * 1989-04-13 1992-04-28 Bruce C. Beggs Surface acoustic wave scattering grating
FR2650919B1 (fr) * 1989-08-10 1992-01-03 Dassault Electronique Dispositif acoustoelectrique a ondes de surface perfectionne
JP3270042B2 (ja) * 1991-03-28 2002-04-02 エプコス アクチエンゲゼルシャフト 障害音響波成分が発生するのを防止する表面波構造を有する表面波装置
RU2121213C1 (ru) * 1991-10-17 1998-10-27 Акционерное общество открытого типа "РИФ" Полосовой фильтр на поверхностных акустических волнах (пав)
EP0936734A4 (en) * 1997-07-28 2000-10-25 Toshiba Kk SURFACE ACOUSTIC WAVE PROCESSING DEVICE AND MANUFACTURING METHOD THEREOF

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2131614A1 (de) * 1971-06-25 1972-12-28 Siemens Ag Funktionselement nach dem Oberflaechenwellenprinzip,insbesondere Frequenzfilter oder Ultraschallverzoegerungsleitung
US3715674A (en) * 1971-07-23 1973-02-06 Stanford Research Inst Electrically controlled reflection of acoustic surface waves
US3908137A (en) * 1973-12-26 1975-09-23 Magnavox Co Apparatus and method for triple transit signal cancellation in an acoustical surface wave device
GB1499330A (en) * 1974-09-26 1978-02-01 Plessey Co Ltd Acoustic surface wave filters
DE2610172C3 (de) * 1975-03-12 1980-08-21 Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto (Japan) Filter auf der Basis der akustischen Oberflächenwellen

Also Published As

Publication number Publication date
DE2738192B2 (de) 1980-02-07
US4139791A (en) 1979-02-13
FR2363230A1 (fr) 1978-03-24
GB1574062A (en) 1980-09-03
JPS5333557A (en) 1978-03-29
DE2738192A1 (de) 1978-03-02
FR2363230B1 (OSRAM) 1982-01-08
JPS5741129B2 (OSRAM) 1982-09-01

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8328 Change in the person/name/address of the agent

Free format text: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP