DE69722168T2 - Akustische Oberflächenwellenfilter mit erzeugten Dämpfungspolen durch Impedanzschaltungen - Google Patents

Akustische Oberflächenwellenfilter mit erzeugten Dämpfungspolen durch Impedanzschaltungen

Info

Publication number
DE69722168T2
DE69722168T2 DE69722168T DE69722168T DE69722168T2 DE 69722168 T2 DE69722168 T2 DE 69722168T2 DE 69722168 T DE69722168 T DE 69722168T DE 69722168 T DE69722168 T DE 69722168T DE 69722168 T2 DE69722168 T2 DE 69722168T2
Authority
DE
Germany
Prior art keywords
surface wave
wave filters
acoustic surface
impedance circuits
generated damping
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 - Lifetime
Application number
DE69722168T
Other languages
English (en)
Other versions
DE69722168D1 (de
Inventor
Hisanori Ehara
Kazushige Noguchi
Hajime Shimamura
Yoshio Okada
Tomokazu Komazaki
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.)
Intellectual Ventures Holding 81 LLC
Original Assignee
Oki Electric Industry 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
Priority claimed from JP02760297A external-priority patent/JP3380417B2/ja
Priority claimed from JP9105859A external-priority patent/JPH10303696A/ja
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of DE69722168D1 publication Critical patent/DE69722168D1/de
Application granted granted Critical
Publication of DE69722168T2 publication Critical patent/DE69722168T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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 devices; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H03H9/725—Duplexers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
    • H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
    • H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
    • H03H9/6483—Ladder SAW filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1708—Comprising bridging elements, i.e. elements in a series path without own reference to ground and spanning branching nodes of another series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1716—Comprising foot-point elements
    • H03H7/1725—Element to ground being common to different shunt paths, i.e. Y-structure
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/175—Series LC in series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1758—Series LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1766—Parallel LC in series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1783—Combined LC in series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1791—Combined LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; 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
    • H03H9/14538—Formation
    • H03H9/14541—Multilayer finger or busbar electrode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE69722168T 1997-02-12 1997-11-28 Akustische Oberflächenwellenfilter mit erzeugten Dämpfungspolen durch Impedanzschaltungen Expired - Lifetime DE69722168T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP02760297A JP3380417B2 (ja) 1997-02-12 1997-02-12 有極型弾性表面波フィルタ
JP9105859A JPH10303696A (ja) 1997-04-23 1997-04-23 有極型ｓａｗフィルタ

Publications (2)

Publication Number Publication Date
DE69722168D1 DE69722168D1 (de) 2003-06-26
DE69722168T2 true DE69722168T2 (de) 2003-12-18

Family

ID=26365545

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69722168T Expired - Lifetime DE69722168T2 (de) 1997-02-12 1997-11-28 Akustische Oberflächenwellenfilter mit erzeugten Dämpfungspolen durch Impedanzschaltungen
DE69738934T Expired - Lifetime DE69738934D1 (de) 1997-02-12 1997-11-28 Akustische Oberflächenwellenfilter mit durch Impedanzschaltungen erzeugten Dämpfungspolen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69738934T Expired - Lifetime DE69738934D1 (de) 1997-02-12 1997-11-28 Akustische Oberflächenwellenfilter mit durch Impedanzschaltungen erzeugten Dämpfungspolen

Country Status (5)

Country Link
US (2) US5905418A (de)
EP (2) EP1326333B1 (de)
KR (1) KR100325796B1 (de)
CN (1) CN1190823A (de)
DE (2) DE69722168T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017118933A1 (de) * 2017-08-18 2019-02-21 RF360 Europe GmbH Duplexer, Duplexer-Bauelement, Quadplexer und Quadplexer-Bauelement

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10200370A (ja) * 1997-01-10 1998-07-31 Murata Mfg Co Ltd 弾性表面波フィルタ
US6937113B2 (en) * 1998-06-09 2005-08-30 Oki Electric Industry Co., Ltd. Branching filter package
WO2000030252A1 (fr) * 1998-11-13 2000-05-25 Matsushita Electric Industrial Co., Ltd. Filtre d'ondes acoustiques de surface
US6201457B1 (en) * 1998-11-18 2001-03-13 Cts Corporation Notch filter incorporating saw devices and a delay line
JP3484090B2 (ja) * 1998-12-22 2004-01-06 株式会社日立製作所 スイッチ型アンテナ共用器および移動無線端末
GB2346049A (en) * 1999-01-19 2000-07-26 Roke Manor Research Duplex filtering
US6262637B1 (en) * 1999-06-02 2001-07-17 Agilent Technologies, Inc. Duplexer incorporating thin-film bulk acoustic resonators (FBARs)
JP2001024475A (ja) * 1999-07-09 2001-01-26 Oki Electric Ind Co Ltd 弾性表面波フィルタ
DE19932649A1 (de) 1999-07-13 2001-02-08 Epcos Ag SAW-Filter des Reaktanzfiltertyps mit verbesserter Sperrbereichsunterdrückung und Verfahren zur Optimierung der Sperrbereichsunterdrückung
JP3705722B2 (ja) * 1999-10-20 2005-10-12 株式会社村田製作所 表面波装置
US6586309B1 (en) * 2000-04-24 2003-07-01 Chartered Semiconductor Manufacturing Ltd. High performance RF inductors and transformers using bonding technique
US6489862B1 (en) 2000-10-03 2002-12-03 Agilent Technologies, Inc. Method for reducing noise generated in a power amplifier
JP3614369B2 (ja) * 2001-01-11 2005-01-26 沖電気工業株式会社 有極型ｓａｗフィルタ
JP2003087149A (ja) * 2001-09-14 2003-03-20 Matsushita Electric Ind Co Ltd 高周波複合スイッチモジュール
EP1296454B1 (de) * 2001-09-25 2013-05-22 TDK Corporation Akustisches Oberflächenwellenelement und akustische Oberflächenwellenvorrichtung
JP3980323B2 (ja) * 2001-10-26 2007-09-26 沖電気工業株式会社 弾性表面波分波器
US6960966B2 (en) * 2002-01-22 2005-11-01 Oki Electric Industry Co., Ltd. Surface acoustic wave filter with attenuation poles
JP2003298392A (ja) * 2002-03-29 2003-10-17 Fujitsu Media Device Kk フィルタチップ及びフィルタ装置
JP4154949B2 (ja) * 2002-08-06 2008-09-24 松下電器産業株式会社 Ｓａｗフィルタ
US7030718B1 (en) * 2002-08-09 2006-04-18 National Semiconductor Corporation Apparatus and method for extending tuning range of electro-acoustic film resonators
JP2004304622A (ja) * 2003-03-31 2004-10-28 Fujitsu Media Device Kk 弾性表面波デバイス及びその製造方法
EP1533897A3 (de) * 2003-11-20 2010-06-30 Panasonic Corporation Filter mit piezoelektrischem Resonator
US7479847B2 (en) * 2003-11-20 2009-01-20 Panasonic Corporation Filter using piezoelectric resonator
US6998952B2 (en) * 2003-12-05 2006-02-14 Freescale Semiconductor, Inc. Inductive device including bond wires
KR100750736B1 (ko) * 2004-11-10 2007-08-22 삼성전자주식회사 하나의 트리밍 인덕터를 사용하는 필터
JP2007074698A (ja) * 2005-08-08 2007-03-22 Fujitsu Media Device Kk 分波器及びラダー型フィルタ
JP4585431B2 (ja) * 2005-11-15 2010-11-24 富士通メディアデバイス株式会社 分波器
US20070159274A1 (en) * 2005-12-26 2007-07-12 Tatsunori Onzuka SAW filter and portable terminal
DE102006005298B4 (de) * 2006-02-06 2017-05-24 Epcos Ag Duplexer
DE102006023165B4 (de) * 2006-05-17 2008-02-14 Infineon Technologies Ag Verfahren zur Herstellung eines akustischen Spiegels aus alternierend angeordneten Schichten hoher und niedriger akustischer Impedanz
US7524731B2 (en) * 2006-09-29 2009-04-28 Freescale Semiconductor, Inc. Process of forming an electronic device including an inductor
US8258894B2 (en) * 2007-05-31 2012-09-04 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Coupled resonator filter with a filter section
EP2168202B1 (de) * 2007-06-27 2013-07-31 Superconductor Technologies, Inc. Einstellbarer funkfrequenzfilter mit geringem verlust
WO2009025057A1 (ja) * 2007-08-23 2009-02-26 Fujitsu Limited 分波器、および分波器を含むモジュール、通信機器
DE102008023374B4 (de) * 2008-05-13 2010-02-11 Epcos Ag Filterschaltung mit laddertype-ähnlicher Struktur und Verfahren zu ihrer Optimierung
JP5215767B2 (ja) * 2008-07-31 2013-06-19 太陽誘電株式会社 フィルタ、分波器、および通信機器
EP2345156A4 (de) * 2008-10-31 2012-10-31 Nortel Networks Ltd Selbstanpassender bandstoppfilter
WO2010061559A1 (ja) 2008-11-27 2010-06-03 パナソニック株式会社 アンテナ共用器とこれを用いた通信機器
CN102265515B (zh) 2008-12-26 2014-07-09 太阳诱电株式会社 双工器以及电子装置
JP5183459B2 (ja) * 2008-12-26 2013-04-17 太陽誘電株式会社 分波器、分波器用基板および電子装置
JP5436164B2 (ja) * 2009-11-20 2014-03-05 キヤノン株式会社 振動型アクチュエータの駆動回路
JP5588838B2 (ja) * 2010-11-17 2014-09-10 太陽誘電株式会社 フィルタ回路、分波器およびｒｆモジュール
JPWO2013118239A1 (ja) * 2012-02-06 2015-05-11 太陽誘電株式会社 分波器およびモジュール
WO2013118239A1 (ja) * 2012-02-06 2013-08-15 太陽誘電株式会社 分波器およびモジュール
CN104508978A (zh) * 2012-08-30 2015-04-08 株式会社村田制作所 滤波器装置以及双工器
US9246533B2 (en) 2012-10-18 2016-01-26 Skyworks Panasonic Filter Solutions Japan Co., Ltd. Electronic device including filter
US8990742B2 (en) 2013-03-15 2015-03-24 Resonant Inc. Network synthesis design of microwave acoustic wave filters
US9208274B2 (en) 2013-03-15 2015-12-08 Resonant Inc. Network synthesis design of microwave acoustic wave filters
US9038005B2 (en) 2013-03-15 2015-05-19 Resonant Inc. Network synthesis design of microwave acoustic wave filters
DE102014112676A1 (de) * 2014-09-03 2016-03-03 Epcos Ag Filter mit verbesserter Linearität
DE112016001482T5 (de) * 2015-04-01 2017-12-28 Murata Manufacturing Co., Ltd. Duplexer
JP6385891B2 (ja) * 2015-06-05 2018-09-05 太陽誘電株式会社 ラダー型フィルタ、デュプレクサおよびモジュール
DE102015116224B4 (de) * 2015-09-25 2019-10-24 Snaptrack, Inc. SAW-Filter mit zusätzlichem Pol
US10135422B2 (en) 2015-10-01 2018-11-20 Skyworks Filter Solutions Japan Co., Ltd. Filter devices having improved attenuation characteristics
WO2018012274A1 (ja) * 2016-07-15 2018-01-18 株式会社村田製作所 ラダー型周波数可変フィルタ、マルチプレクサ、高周波フロントエンド回路、および、通信端末
US10404234B2 (en) 2016-09-02 2019-09-03 Skyworks Filter Solutions Japan Co., Ltd. Filter device with phase compensation, and electronic devices including same
US10476482B2 (en) 2016-11-29 2019-11-12 Skyworks Solutions, Inc. Filters including loop circuits for phase cancellation
KR102066959B1 (ko) * 2018-07-17 2020-01-16 삼성전기주식회사 필터
KR20200010104A (ko) 2018-07-18 2020-01-30 스카이워크스 솔루션즈, 인코포레이티드 통합된 소거 회로를 가진 fbar 필터
DE102019121349B4 (de) * 2019-08-07 2022-05-12 RF360 Europe GmbH Elektrisches Filter und Filtersystem
CN111200419B (zh) * 2020-01-16 2021-08-10 诺思(天津)微系统有限责任公司 一种滤波器、双工器、高频前端电路及通信装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03222512A (ja) * 1990-01-29 1991-10-01 Oki Electric Ind Co Ltd 有極形ｓａｗ共振器フィルタ
JP2800905B2 (ja) 1991-10-28 1998-09-21 富士通株式会社 弾性表面波フィルタ
JP3222512B2 (ja) 1991-11-11 2001-10-29 三菱レイヨン株式会社 炭素繊維用サイジング剤
JP3379775B2 (ja) * 1992-11-17 2003-02-24 富士通株式会社 弾性表面波フィルタ
GB2280807B (en) * 1993-08-04 1997-10-22 Advanced Saw Prod Sa Saw filter
US5506552A (en) * 1993-11-05 1996-04-09 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter with multiple ground terminals
JP3375712B2 (ja) * 1994-01-12 2003-02-10 松下電器産業株式会社 弾性表面波フィルタ
JP3424971B2 (ja) * 1994-01-20 2003-07-07 松下電器産業株式会社 弾性表面波フィルタ
GB2296614B (en) * 1994-12-23 1999-09-15 Advanced Saw Prod Sa Saw filter
JP3383508B2 (ja) * 1995-03-15 2003-03-04 松下電器産業株式会社 弾性表面波フィルタ
EP0732805B1 (de) * 1995-03-15 2003-01-15 Matsushita Electric Industrial Co., Ltd. Akustischer Oberflächenwellenfilter
JP3746579B2 (ja) * 1996-11-29 2006-02-15 沖電気工業株式会社 Ｓａｗフィルタ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017118933A1 (de) * 2017-08-18 2019-02-21 RF360 Europe GmbH Duplexer, Duplexer-Bauelement, Quadplexer und Quadplexer-Bauelement
DE102017118933B4 (de) * 2017-08-18 2019-10-31 RF360 Europe GmbH Duplexer, Duplexer-Bauelement, Quadplexer und Quadplexer-Bauelement

Also Published As

Publication number Publication date
USRE37639E1 (en) 2002-04-09
EP1326333A2 (de) 2003-07-09
DE69738934D1 (de) 2008-10-02
KR19980070285A (ko) 1998-10-26
DE69722168D1 (de) 2003-06-26
KR100325796B1 (ko) 2002-04-17
EP1326333A3 (de) 2007-10-17
CN1190823A (zh) 1998-08-19
EP0862266A2 (de) 1998-09-02
US5905418A (en) 1999-05-18
EP1326333B1 (de) 2008-08-20
EP0862266A3 (de) 1999-07-14
EP0862266B1 (de) 2003-05-21

Similar Documents

Publication Publication Date Title
DE69722168T2 (de) Akustische Oberflächenwellenfilter mit erzeugten Dämpfungspolen durch Impedanzschaltungen
DE69424737D1 (de) Akustisches Oberflächenwellenfilter
DE69403281D1 (de) Akustisches Oberflächenwellenfilter
DE69408048D1 (de) Akustisches Oberflächenwellenfilter
DE69533389D1 (de) Akustisches Oberflächenwellenfilter
DE69412424D1 (de) Akustisches Oberflächenwellenfilter
DE69317026T2 (de) Akustisches Oberflächenwellen Bauelement
DE69415235D1 (de) Schaltungsbaustein mit akustischer Oberflächenwellenanordnung
DE69835987D1 (de) Akustische Oberflächenwellenfilter
DE69506138D1 (de) Akustisches Oberflächenwellenfilter
DE69735746D1 (de) Akustische Oberflächenwellenanordnung
DE69513904D1 (de) Akustische Oberflächenwellenanordnung
DE69619741D1 (de) Akustisches Oberflächenwellenfilter
DE69620524T2 (de) Oberflächenwellenfilter
DE69716238T2 (de) Akustische oberflächenwellenanordnung
DE69901426D1 (de) Resonatorfilter mit akustischen oberflächenwellen
DE69934765D1 (de) Akustisches Oberflächenwellenfilter
DE69522066D1 (de) Akustische Oberflächenwellenanordnung
DE69713370T2 (de) Akustische oberflächenwellenfilter
DE69506137T2 (de) Akustisches Oberflächenwellenfilter
DE69625734T2 (de) Akustischer Oberflächenwellenfilter
DE69432134T2 (de) Akustisches Oberflächenwellenfilter
DE69723957D1 (de) Akustische oberflächenwellenanordnung
DE69522065D1 (de) Akustische Oberflächenwellenanordnung
DE19983034T1 (de) Akustisches Oberflächenwellenfilter

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: OKI SEMICONDUCTOR CO.,LTD., TOKYO, JP

R082 Change of representative

Ref document number: 862266

Country of ref document: EP

Representative=s name: BETTEN & RESCH, 80333 MUENCHEN, DE

R081 Change of applicant/patentee

Ref document number: 862266

Country of ref document: EP

Owner name: INTELLECTUAL VENTURES FUND 77 LLC (N.D.GES.D.S, US

Free format text: FORMER OWNER: LAPIS SEMICONDUCTOR CO., LTD., TOKYO, JP

Effective date: 20120823

R082 Change of representative

Ref document number: 862266

Country of ref document: EP

Representative=s name: PATENTANWAELTE BETTEN & RESCH, DE

Effective date: 20120823