GB1536614A - Acoustic surface wave interaction device - Google Patents

Acoustic surface wave interaction device

Info

Publication number
GB1536614A
GB1536614A GB36752/77A GB3675277A GB1536614A GB 1536614 A GB1536614 A GB 1536614A GB 36752/77 A GB36752/77 A GB 36752/77A GB 3675277 A GB3675277 A GB 3675277A GB 1536614 A GB1536614 A GB 1536614A
Authority
GB
United Kingdom
Prior art keywords
arrays
surface wave
transducer
sept
overlap
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
GB36752/77A
Other languages
English (en)
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB1536614A publication Critical patent/GB1536614A/en
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
    • H03H9/30—Time-delay networks
    • 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB36752/77A 1976-09-03 1977-09-02 Acoustic surface wave interaction device Expired GB1536614A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10609876A JPS5330848A (en) 1976-09-03 1976-09-03 Surface acoustic wave device
JP52004778A JPS5834049B2 (ja) 1976-09-03 1977-01-18 弾性表面波装置

Publications (1)

Publication Number Publication Date
GB1536614A true GB1536614A (en) 1978-12-20

Family

ID=26338613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36752/77A Expired GB1536614A (en) 1976-09-03 1977-09-02 Acoustic surface wave interaction device

Country Status (5)

Country Link
US (1) US4143343A (OSRAM)
JP (2) JPS5330848A (OSRAM)
DE (1) DE2739688A1 (OSRAM)
FR (1) FR2363937A1 (OSRAM)
GB (1) GB1536614A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239144A (en) * 1989-12-16 1991-06-19 Plessey Co Plc Surface acoustic wave transducer

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223284A (en) * 1977-11-07 1980-09-16 Murata Manufacturing Co., Ltd. Acoustic surface wave device
JPS56123118A (en) * 1980-03-05 1981-09-28 Murata Mfg Co Ltd Elastic surface wave device
JPS56123117A (en) * 1980-03-05 1981-09-28 Murata Mfg Co Ltd Elastic surface wave device
JPS55141813A (en) * 1979-04-24 1980-11-06 Murata Mfg Co Ltd Surface acoustic wave device
JPS564917A (en) * 1979-06-25 1981-01-19 Murata Mfg Co Ltd Elastic surface wave filter
JPS57202114A (en) * 1981-06-05 1982-12-10 Hitachi Ltd Band pass filter
JPS58154917A (ja) * 1982-03-10 1983-09-14 Hitachi Ltd 弾性表面波バンドパスフイルタ
JPS6216728U (OSRAM) * 1985-07-15 1987-01-31
JPS63309727A (ja) * 1987-06-10 1988-12-16 Yanmar Diesel Engine Co Ltd 排気タ−ボ過給機付内燃機関の排気ガス処理装置
US6801100B2 (en) 1996-05-23 2004-10-05 Matsushita Electric Industrial Co., Ltd. Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same
US6348845B2 (en) 1996-05-23 2002-02-19 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter and multistage surface acoustic wave filter
EP0921636B1 (en) * 1996-05-23 2007-04-04 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter and multistage surface acoustic wave filter
CN1123895C (zh) * 1997-07-07 2003-10-08 松下电器产业株式会社 芯片形ptc热敏电阻及其制造方法
CN101517894B (zh) * 2006-09-28 2011-12-28 株式会社村田制作所 弹性波滤波装置
JP5350720B2 (ja) * 2008-09-02 2013-11-27 太陽誘電株式会社 弾性波デバイス、及び弾性波装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600710A (en) * 1968-08-12 1971-08-17 Zenith Radio Corp Acoustic surface wave filter
FR2036374A5 (OSRAM) * 1969-03-12 1970-12-24 Thomson Csf
US3675054A (en) * 1970-12-02 1972-07-04 Texas Instruments Inc Series connection of interdigitated surface wave transducers
GB1389337A (en) * 1972-10-05 1975-04-03 Marconi Co Ltd Dispersive delay devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239144A (en) * 1989-12-16 1991-06-19 Plessey Co Plc Surface acoustic wave transducer

Also Published As

Publication number Publication date
JPS5389643A (en) 1978-08-07
JPS5834049B2 (ja) 1983-07-23
FR2363937A1 (fr) 1978-03-31
JPS5622164B2 (OSRAM) 1981-05-23
US4143343A (en) 1979-03-06
DE2739688C2 (OSRAM) 1988-07-21
JPS5330848A (en) 1978-03-23
DE2739688A1 (de) 1978-03-09
FR2363937B1 (OSRAM) 1983-01-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19970901