JPS5224444A - Surface acoustic wave device - Google Patents

Surface acoustic wave device

Info

Publication number
JPS5224444A
JPS5224444A JP9783476A JP9783476A JPS5224444A JP S5224444 A JPS5224444 A JP S5224444A JP 9783476 A JP9783476 A JP 9783476A JP 9783476 A JP9783476 A JP 9783476A JP S5224444 A JPS5224444 A JP S5224444A
Authority
JP
Japan
Prior art keywords
acoustic wave
surface acoustic
wave device
wave
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.)
Granted
Application number
JP9783476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5753003B2 (enExample
Inventor
Uooren Sumisu Furederetsuku
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 JPS5224444A publication Critical patent/JPS5224444A/ja
Publication of JPS5753003B2 publication Critical patent/JPS5753003B2/ja
Granted 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)
JP9783476A 1975-08-18 1976-08-18 Surface acoustic wave device Granted JPS5224444A (en)

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
JPS5224444A true JPS5224444A (en) 1977-02-23
JPS5753003B2 JPS5753003B2 (enExample) 1982-11-10

Family

ID=10363100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9783476A Granted JPS5224444A (en) 1975-08-18 1976-08-18 Surface acoustic wave device

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341152A (en) * 1976-07-29 1978-04-14 Plessey Handel Investment Ag Surface acoustic wave filter
JPS5654114A (en) * 1979-10-11 1981-05-14 Nec Corp Reed screen shape converter of elastic surface wave

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341152A (en) * 1976-07-29 1978-04-14 Plessey Handel Investment Ag Surface acoustic wave filter
JPS5654114A (en) * 1979-10-11 1981-05-14 Nec Corp Reed screen shape converter of elastic surface wave

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
GB1512686A (en) 1978-06-01
DE2635192C2 (de) 1985-08-08
DE2635192A1 (de) 1977-03-03

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