DE2635192C2 - Akustsche Oberflächenwellenanordnung - Google Patents

Akustsche Oberflächenwellenanordnung

Info

Publication number
DE2635192C2
DE2635192C2 DE19762635192 DE2635192A DE2635192C2 DE 2635192 C2 DE2635192 C2 DE 2635192C2 DE 19762635192 DE19762635192 DE 19762635192 DE 2635192 A DE2635192 A DE 2635192A DE 2635192 C2 DE2635192 C2 DE 2635192C2
Authority
DE
Germany
Prior art keywords
transducer
interdigital
electrode fingers
waves
acoustic
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
DE19762635192
Other languages
German (de)
English (en)
Other versions
DE2635192A1 (de
Inventor
Frederick Warren Salfords Redhill Surrey Smith
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE2635192A1 publication Critical patent/DE2635192A1/de
Application granted granted Critical
Publication of DE2635192C2 publication Critical patent/DE2635192C2/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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • 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
    • H03H9/02858—Means for compensation or elimination of undesirable effects of wave front distortion
    • 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
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE19762635192 1975-08-18 1976-08-05 Akustsche Oberflächenwellenanordnung Expired DE2635192C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3423475A GB1512686A (en) 1975-08-18 1975-08-18 Acoustic surface wave devices

Publications (2)

Publication Number Publication Date
DE2635192A1 DE2635192A1 (de) 1977-03-03
DE2635192C2 true DE2635192C2 (de) 1985-08-08

Family

ID=10363100

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762635192 Expired DE2635192C2 (de) 1975-08-18 1976-08-05 Akustsche Oberflächenwellenanordnung

Country Status (5)

Country Link
JP (1) JPS5224444A (enExample)
CA (1) CA1089083A (enExample)
DE (1) DE2635192C2 (enExample)
FR (1) FR2321802A1 (enExample)
GB (1) GB1512686A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585087A (en) * 1976-07-29 1981-02-25 Plessey Co Ltd Surface acoustic wave filters
NL7810674A (nl) * 1977-12-21 1979-06-25 Tektronix Inc Akoestische oppervlakgolfinrichting.
US4205285A (en) * 1978-11-03 1980-05-27 Gte Laboratories Incorporated Acoustic surface wave device
JPS55125713A (en) 1979-03-22 1980-09-27 Toshiba Corp Surface elastic wave device
JPS5654114A (en) * 1979-10-11 1981-05-14 Nec Corp Reed screen shape converter of elastic surface wave
CN114611533B (zh) * 2022-01-28 2022-12-06 金陵科技学院 叉指单侧倾斜加权型声表面波式Morlet小波处理器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360235A (en) * 1971-04-17 1974-07-17 Marconi Co Ltd Acoustic surface wave devices
GB1430725A (en) * 1974-08-02 1976-04-07 Mullard Ltd Acoustic surface wave devices
GB1499330A (en) * 1974-09-26 1978-02-01 Plessey Co Ltd Acoustic surface wave filters

Also Published As

Publication number Publication date
FR2321802B1 (enExample) 1982-03-12
FR2321802A1 (fr) 1977-03-18
JPS5753003B2 (enExample) 1982-11-10
CA1089083A (en) 1980-11-04
JPS5224444A (en) 1977-02-23
GB1512686A (en) 1978-06-01
DE2635192A1 (de) 1977-03-03

Similar Documents

Publication Publication Date Title
DE2521290A1 (de) Oberflaechenwellenresonatorvorrichtung
DE2532357A1 (de) Oberflaechenwellenanordnung
DE3123410A1 (de) Akustischer oberflaechenwellen-resonator
DE3025871C2 (de) Akustische Oberflächenwelleneinrichtung
DE2513672A1 (de) Oberflaechenwellenfilter
DE2743071A1 (de) Oberflaechenwellenfilter
DE19838573A1 (de) Oberflächenwellenfilter
DE2536408A1 (de) Oberflaechenschallwellen-einrichtung
DE1953826A1 (de) Energieuebertragungseinrichtung
DE2531151C3 (de) Mit elastischen Oberflächenwellen arbeitende elektromechanische Einrichtung
DE2718572A1 (de) Einrichtung zur signalweitergabe mittels akustischer oberflaechenwellen
DE2635192C2 (de) Akustsche Oberflächenwellenanordnung
DE2826891C3 (de) Elastizitätsoberflächenwellen-Bauelement
DE2512671A1 (de) Mit akustischen oberflaechenwellen in einem ausgewaehlten frequenzbereich arbeitendes geraet
DE2542854A1 (de) Akustisches oberflaechenwellenfilter
DE4214122C2 (de) Zweispur-Oberflächenwellenanordnung mit verbesserter Selektionseigenschaft
DE3321843C2 (enExample)
DE2546193A1 (de) Vorrichtung fuer elastische oberflaechenwellen
DE3015241A1 (de) Bauelement fuer akustische oberflaechenwellen
DE2618210C3 (de) Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip
DE3039735A1 (de) Akustische oberflaechenwellenvorrichtung
DE2364134A1 (de) Elektromechanisches oberflaechenwellenfilter
DE4013214A1 (de) Akustisches oberflaechenwellenfilter
DE2540012B2 (de) Vorrichtung fuer elastische oberflaechenwellen
DE2314642A1 (de) Filter fuer akustische wellen

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: AUER, H., DIPL.-ING., PAT.-ANW., 2000 HAMBURG

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee