DE69733237D1 - Akustische Oberflächenwellenanordnung - Google Patents

Akustische Oberflächenwellenanordnung

Info

Publication number: DE69733237D1
Authority: DE; Germany
Prior art keywords: surface wave; acoustic surface; wave arrangement; arrangement; acoustic
Prior art date: 1996-10-14
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 - Fee Related

Application number

DE69733237T

Other languages

English (en)

Other versions

DE69733237T2 (de

Inventor

Susumo Yoshimoto

Yasushi Yamamoto

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.)

Nihon Dempa Kogyo Co Ltd

Original Assignee

NRS Technologies Inc

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.)

1996-10-14

Filing date

1997-10-13

Publication date

2005-06-16

1997-10-13 Application filed by NRS Technologies Inc filed Critical NRS Technologies Inc

2005-06-16 Publication of DE69733237D1 publication Critical patent/DE69733237D1/de

2006-01-19 Application granted granted Critical

2006-01-19 Publication of DE69733237T2 publication Critical patent/DE69733237T2/de

2017-10-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- H03H9/125—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
- 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
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6436—Coupled resonator filters having one acoustic track only

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

DE69733237T 1996-10-14 1997-10-13 Akustische Oberflächenwellenanordnung Expired - Fee Related DE69733237T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP27094396		1996-10-14
JP8270943A JP2982864B2 (ja)	1996-10-14	1996-10-14	弾性表面波装置

Publications (2)

Publication Number	Publication Date
DE69733237D1 true DE69733237D1 (de)	2005-06-16
DE69733237T2 DE69733237T2 (de)	2006-01-19

Family

ID=17493178

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69733237T Expired - Fee Related DE69733237T2 (de)	1996-10-14	1997-10-13	Akustische Oberflächenwellenanordnung

Country Status (4)

Country	Link
US (2)	US6005326A (de)
EP (1)	EP0836279B1 (de)
JP (1)	JP2982864B2 (de)
DE (1)	DE69733237T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3255128B2 (ja) *	1998-11-24	2002-02-12	株式会社村田製作所	弾性表面波フィルタ
US6815868B2 (en)	2001-04-09	2004-11-09	Murata Manufacturing Co., Ltd.	Surface acoustic wave apparatus and communication unit
JP2006080873A (ja) *	2004-09-09	2006-03-23	Hitachi Media Electoronics Co Ltd	弾性表面波装置及びそれを用いた通信装置
JP2006238167A (ja) *	2005-02-25	2006-09-07	Tdk Corp	弾性表面波装置、弾性表面波フィルタ及びデュプレクサ
JP4553047B2 (ja) *	2008-03-12	2010-09-29	セイコーエプソン株式会社	ラム波型共振子及び発振器
JP5662130B2 (ja) *	2010-12-17	2015-01-28	京セラ株式会社	弾性波装置
JP6504551B2 (ja) *	2013-06-10	2019-04-24	太陽誘電株式会社	共振器、フィルタおよび分波器
US10021396B1 (en)	2014-12-30	2018-07-10	Ambarella, Inc.	Motion detection based on observing several pictures

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1427226A (en) *	1973-06-05	1976-03-10	Mullard Ltd	Acoustic surface wave devices
US3979702A (en) *	1974-04-08	1976-09-07	The Magnavox Company	Apparatus and method for oversampled transducers in acoustic surface wave devices
JPS5272136A (en) *	1975-12-12	1977-06-16	Matsushita Electric Ind Co Ltd	Elastic surface wave filter
JPS5430761A (en) *	1977-08-12	1979-03-07	Hitachi Ltd	Filter circuit using elastic surface-wave filter
US4126838A (en) *	1977-09-26	1978-11-21	Rca Corporation	Uniform surface acoustic wave transducer configuration having improved frequency selectivity
JPS54161247A (en) *	1978-06-12	1979-12-20	Fujitsu Ltd	Elastic surface-wave filter
JPS5555615A (en) *	1978-10-20	1980-04-23	Hitachi Ltd	Surface acoustic wave filter
JPS5678224A (en) *	1979-11-30	1981-06-27	Hitachi Ltd	Elastic surface wave device
JPS5678218A (en) *	1979-11-30	1981-06-27	Hitachi Ltd	Elastic surface wave device
JPS57119509A (en) *	1981-01-19	1982-07-26	Toshiba Corp	Surface acoustic wave resonator
JPS58200618A (ja) *	1982-05-19	1983-11-22	Hitachi Ltd	弾性表面波装置
JPH0685492B2 (ja) *	1986-03-19	1994-10-26	日本電気株式会社	弾性表面波共振子
US5175711A (en) *	1988-10-03	1992-12-29	Hitachi, Ltd.	Surface acoustic wave apparatus and method of productivity and adjustment of the same
JP3254779B2 (ja) *	1993-01-05	2002-02-12	株式会社村田製作所	多電極形弾性表面波装置
KR100207358B1 (ko) *	1994-10-31	1999-07-15	시바타 마사하루	탄성 표면파 필터 장치 및 탄성 표면파 필터 장치용 트랜스듀서
JP3431332B2 (ja) *	1995-02-08	2003-07-28	東洋通信機株式会社	弾性表面波デバイス
JPH09260996A (ja) *	1996-03-19	1997-10-03	Nec Corp	弾性表面波装置

1996
- 1996-10-14 JP JP8270943A patent/JP2982864B2/ja not_active Expired - Fee Related
1997
- 1997-10-09 US US08/948,060 patent/US6005326A/en not_active Expired - Fee Related
- 1997-10-13 DE DE69733237T patent/DE69733237T2/de not_active Expired - Fee Related
- 1997-10-13 EP EP97117692A patent/EP0836279B1/de not_active Expired - Lifetime
1999
- 1999-07-23 US US09/359,114 patent/US6040651A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0836279A3 (de)	2000-05-10
JP2982864B2 (ja)	1999-11-29
US6005326A (en)	1999-12-21
EP0836279B1 (de)	2005-05-11
DE69733237T2 (de)	2006-01-19
US6040651A (en)	2000-03-21
EP0836279A2 (de)	1998-04-15
JPH10126211A (ja)	1998-05-15

Publication	Publication Date	Title
DE69735746D1 (de)	2006-06-01	Akustische Oberflächenwellenanordnung
DE69513904D1 (de)	2000-01-20	Akustische Oberflächenwellenanordnung
DE69814205D1 (de)	2003-06-12	Akustische Oberflächenwellenanordnung
DE69613170D1 (de)	2001-07-12	Akustische Oberflächenwellenanordnungen
DE69516106D1 (de)	2000-05-11	Akustische Oberflächenwellenanordnung
DE69835987D1 (de)	2006-11-09	Akustische Oberflächenwellenfilter
DE69926672D1 (de)	2005-09-22	Akustische Oberflächenwellenanordnung
DE69924225D1 (de)	2005-04-21	Akustische Oberflächenwellenanordnung
DE69734034D1 (de)	2005-09-29	Akustisches Wellenfilter
DE69734033D1 (de)	2005-09-29	Akustisches Wellenfilter
DE69716238D1 (de)	2002-11-14	Akustische oberflächenwellenanordnung
DE69841878D1 (de)	2010-10-21	Akustische Oberflächenwellenanordnung
DE69614463D1 (de)	2001-09-20	Akustische Oberflächenwellenanordnung
NL1009560A1 (nl)	1999-01-08	Oppervlaktegeluidsgolfinrichting.
DE69734753D1 (de)	2006-01-05	Akustische Oberflächenwellenvorrichtung
DE69522066D1 (de)	2001-09-13	Akustische Oberflächenwellenanordnung
DE69321799D1 (de)	1998-12-03	Akustische Oberflächenwellenanordnung
DE69617286D1 (de)	2002-01-10	Akustische Oberflächenwellenanordnung
DE69611771D1 (de)	2001-03-22	Akustische Oberflächenwellenanordnung
DE69842149D1 (de)	2011-04-14	Akustische Oberflächenwellenanordnung
DE69934765D1 (de)	2007-02-22	Akustisches Oberflächenwellenfilter
DE69713370D1 (de)	2002-07-18	Akustische oberflächenwellenfilter
DE69305758D1 (de)	1996-12-12	Akustische Oberflächenwellenanordnung
DE69321860D1 (de)	1998-12-10	Akustische Oberflächenwellenanordnung
DE69521650D1 (de)	2001-08-16	Oberflächenwellenanordnung

Legal Events

Date	Code	Title	Description
2006-04-13	8327	Change in the person/name/address of the patent owner	Owner name: NIHON DEMPA KOGYO CO., LTD., TOKIO/TOKYO, JP
2006-06-08	8364	No opposition during term of opposition
2006-08-17	8339	Ceased/non-payment of the annual fee