CA965491A - Acoustic surface wave devices - Google Patents

Acoustic surface wave devices

Info

Publication number: CA965491A
Authority: CA; Canada
Prior art keywords: surface wave; wave devices; acoustic surface; acoustic; devices
Prior art date: 1971-07-21
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

CA147,344A

Other languages

English (en)

Other versions

CA147344S (en

Inventor

Richard F. Mitchell

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.)

1971-07-21

Filing date

1972-07-18

Publication date

1975-04-01

1972-07-18 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1975-04-01 Application granted granted Critical

1975-04-01 Publication of CA965491A publication Critical patent/CA965491A/en

Status 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
- 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)

CA147,344A 1971-07-21 1972-07-18 Acoustic surface wave devices Expired CA965491A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB3417071A GB1362238A (en)	1971-07-21	1971-07-21	Acoustic surface wave devices

Publications (1)

Publication Number	Publication Date
CA965491A true CA965491A (en)	1975-04-01

Family

ID=10362265

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA147,344A Expired CA965491A (en)	1971-07-21	1972-07-18	Acoustic surface wave devices

Country Status (10)

Country	Link
US (1)	US3801935A (it)
JP (1)	JPS5420108B1 (it)
AU (1)	AU458649B2 (it)
CA (1)	CA965491A (it)
DE (1)	DE2234564A1 (it)
ES (1)	ES404981A1 (it)
FR (1)	FR2146804A5 (it)
GB (1)	GB1362238A (it)
IT (1)	IT961468B (it)
NL (1)	NL7209835A (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1395294A (en) *	1973-06-05	1975-05-21	Mullard Ltd	Acoustic surface wave device
JPS5434519B2 (it) *	1973-08-31	1979-10-27
US4166258A (en) *	1974-08-29	1979-08-28	International Business Machines Corporation	Thin-film integrated circuit with tank circuit characteristics and applications to thin-film filters and oscillators
US4223284A (en)	1977-11-07	1980-09-16	Murata Manufacturing Co., Ltd.	Acoustic surface wave device
US4384264A (en) *	1979-04-24	1983-05-17	Murata Manufacturing Company Ltd.	Surface acoustic wave device
US4625184A (en) *	1982-07-02	1986-11-25	Clarion Co., Ltd.	Surface acoustic wave device with impedance matching network formed thereon
US4620191A (en) *	1983-06-30	1986-10-28	Halvor Skeie	Surface acoustic wave passive transponder having parallel acoustic wave paths
US5363074A (en) *	1992-10-19	1994-11-08	Motorola, Inc.	Saw structure having serially coupled transducers with overlapping fingers
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
US6107910A (en) *	1996-11-29	2000-08-22	X-Cyte, Inc.	Dual mode transmitter/receiver and decoder for RF transponder tags
US5986382A (en) *	1997-08-18	1999-11-16	X-Cyte, Inc.	Surface acoustic wave transponder configuration
US6114971A (en) *	1997-08-18	2000-09-05	X-Cyte, Inc.	Frequency hopping spread spectrum passive acoustic wave identification device
US6208062B1 (en)	1997-08-18	2001-03-27	X-Cyte, Inc.	Surface acoustic wave transponder configuration
US6060815A (en) *	1997-08-18	2000-05-09	X-Cyte, Inc.	Frequency mixing passive transponder
JP2000244275A (ja) *	1999-02-19	2000-09-08	Murata Mfg Co Ltd	Ｓａｗ共振子フィルタ
JP3402311B2 (ja) *	2000-05-19	2003-05-06	株式会社村田製作所	弾性表面波装置
JP5898908B2 (ja) *	2011-10-11	2016-04-06	日本電波工業株式会社	弾性波フィルタ

Family Cites Families (2)

* 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
US3675054A (en) *	1970-12-02	1972-07-04	Texas Instruments Inc	Series connection of interdigitated surface wave transducers

1971
- 1971-07-21 GB GB3417071A patent/GB1362238A/en not_active Expired
1972
- 1972-07-12 US US00271164A patent/US3801935A/en not_active Expired - Lifetime
- 1972-07-14 DE DE2234564A patent/DE2234564A1/de active Pending
- 1972-07-14 AU AU44573/72A patent/AU458649B2/en not_active Expired
- 1972-07-15 NL NL7209835A patent/NL7209835A/xx unknown
- 1972-07-18 JP JP7132272A patent/JPS5420108B1/ja active Pending
- 1972-07-18 IT IT51615/72A patent/IT961468B/it active
- 1972-07-18 FR FR7225844A patent/FR2146804A5/fr not_active Expired
- 1972-07-18 CA CA147,344A patent/CA965491A/en not_active Expired
- 1972-07-19 ES ES404981A patent/ES404981A1/es not_active Expired

Also Published As

Publication number	Publication date
IT961468B (it)	1973-12-10
GB1362238A (en)	1974-07-30
US3801935A (en)	1974-04-02
FR2146804A5 (it)	1973-03-02
DE2234564A1 (de)	1973-02-01
AU4457372A (en)	1974-01-17
AU458649B2 (en)	1975-03-06
ES404981A1 (es)	1975-07-01
NL7209835A (it)	1973-01-23
JPS5420108B1 (it)	1979-07-20

Publication	Publication Date	Title
AU463235B2 (en)	1975-07-17	Transducer
CA930005A (en)	1973-07-10	Piezoelectric vibrators
CA989972A (en)	1976-05-25	Electroacoustic transducer
CA1033049A (en)	1978-06-13	Acoustic surface wave devices
CA972834A (en)	1975-08-12	Acoustic surface wave filter
CA965491A (en)	1975-04-01	Acoustic surface wave devices
CA952233A (en)	1974-07-30	Acoustic surface wave apparatus
AU469106B2 (en)	1976-02-05	Transducers
AU461183B2 (en)	1975-05-15	Acoustic surface wave devices
CA963570A (en)	1975-02-25	Electroacoustic transducer
CA982687A (en)	1976-01-27	Electro-acoustic transducer
CA1019829A (en)	1977-10-25	Acoustic surface wave devices
CA966588A (en)	1975-04-22	Acoustic surface wave devices
CA951390A (en)	1974-07-16	Acoustic surface wave transmission device
CA959174A (en)	1974-12-10	Surface wave structure
CA930437A (en)	1973-07-17	Piezoelectric acoustic surface wave device
AU4461772A (en)	1974-01-24	Improvements in or relating to acoustic surface wave devices
CA991303A (en)	1976-06-15	Transducer
AU461117B2 (en)	1975-05-15	Electroacoustic transducer
CA1002128A (en)	1976-12-21	Acoustic surface wave device
CA885641A (en)	1971-11-09	Acoustic surface wave filter devices
CA886739A (en)	1971-11-23	Surface wave devices
CA880537A (en)	1971-09-07	Surface wave devices
CA887887A (en)	1971-12-07	Surface elastic wave devices
CA881119A (en)	1971-09-14	Acoustic surface wave filter