DE60136042D1 - Akustisches Oberflächenwellenfilter und Kommunikationsvorrichtung mit demselben - Google Patents

Akustisches Oberflächenwellenfilter und Kommunikationsvorrichtung mit demselben

Info

Publication number
DE60136042D1
DE60136042D1 DE60136042T DE60136042T DE60136042D1 DE 60136042 D1 DE60136042 D1 DE 60136042D1 DE 60136042 T DE60136042 T DE 60136042T DE 60136042 T DE60136042 T DE 60136042T DE 60136042 D1 DE60136042 D1 DE 60136042D1
Authority
DE
Germany
Prior art keywords
communication device
same
wave filter
acoustic wave
surface 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.)
Expired - Lifetime
Application number
DE60136042T
Other languages
English (en)
Inventor
Hiroyuki Nakamura
Toru Yamada
Shigeru Tsuzuki
Kazunori Nishimura
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60136042D1 publication Critical patent/DE60136042D1/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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE60136042T 2000-09-13 2001-09-13 Akustisches Oberflächenwellenfilter und Kommunikationsvorrichtung mit demselben Expired - Lifetime DE60136042D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000277793 2000-09-13

Publications (1)

Publication Number Publication Date
DE60136042D1 true DE60136042D1 (de) 2008-11-20

Family

ID=18763057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60136042T Expired - Lifetime DE60136042D1 (de) 2000-09-13 2001-09-13 Akustisches Oberflächenwellenfilter und Kommunikationsvorrichtung mit demselben

Country Status (3)

Country Link
US (1) US6650206B2 (de)
EP (1) EP1189346B1 (de)
DE (1) DE60136042D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3705722B2 (ja) * 1999-10-20 2005-10-12 株式会社村田製作所 表面波装置
JP3863712B2 (ja) * 2000-09-06 2006-12-27 株式会社日立製作所 弾性表面波共振器
JP2004048675A (ja) * 2002-05-15 2004-02-12 Murata Mfg Co Ltd 弾性表面波装置及びそれを有する通信装置
JP4120549B2 (ja) * 2003-01-09 2008-07-16 株式会社村田製作所 弾性表面波フィルタ
JP2004260793A (ja) * 2003-02-04 2004-09-16 Murata Mfg Co Ltd 弾性表面波フィルタ
JP3622758B2 (ja) * 2003-03-28 2005-02-23 松下電器産業株式会社 弾性表面波共振器、弾性表面波フィルタ、及びアンテナ共用器
US20050002265A1 (en) * 2003-07-01 2005-01-06 Broadcom Corporation Header compression
DE102007010040B4 (de) * 2007-03-01 2014-08-07 Epcos Ag Mit Oberflächenwellen arbeitendes DMS-Filter
US8436509B1 (en) * 2008-07-08 2013-05-07 Saudia Corporation High-frequency shear-horizontal surface acoustic wave sensor
DE102013204428B4 (de) * 2012-03-29 2014-08-07 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Akustisches Oberflächenwellenbauelement
US9093979B2 (en) * 2012-06-05 2015-07-28 Avago Technologies General Ip (Singapore) Pte. Ltd. Laterally-coupled acoustic resonators
FR3079101B1 (fr) * 2018-03-16 2020-11-06 Frecnsys Structure de transducteur pour suppression de source dans les dispositifs de filtres a ondes acoustiques de surface
WO2020044979A1 (ja) 2018-08-30 2020-03-05 株式会社村田製作所 フィルタ装置およびマルチプレクサ

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1512790A (en) 1975-08-22 1978-06-01 Mullard Ltd Acoustic surface wave devices
US4296391A (en) * 1977-10-28 1981-10-20 Hitachi, Ltd. Surface-acoustic-wave filter for channel selection system of television receiver
JPS5678218A (en) * 1979-11-30 1981-06-27 Hitachi Ltd Elastic surface wave device
JPS5762616A (en) * 1980-10-02 1982-04-15 Toshiba Corp Filter circuit using surface acoustic wave filter
JP3001350B2 (ja) * 1993-05-19 2000-01-24 日本電気株式会社 弾性表面波フィルタ
US6104260A (en) * 1997-12-22 2000-08-15 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter with first and second filter tracks and balanced or unbalanced terminals
JPH11330895A (ja) * 1998-05-14 1999-11-30 Fujitsu Ltd 弾性表面波装置
JP2000091869A (ja) 1998-07-15 2000-03-31 Matsushita Electric Ind Co Ltd 弾性表面波フィルタとこれを用いた通信機器
FR2782568B1 (fr) * 1998-08-21 2001-08-10 Thomson Csf Filtre acoustique a deux canaux differents a compensation de rejection
DE60035330T2 (de) * 1999-05-14 2008-03-06 Kabushiki Kaisha Toshiba, Kawasaki Oberflächenwellenfilter
JP2001053581A (ja) 1999-06-03 2001-02-23 Matsushita Electric Ind Co Ltd 弾性表面波フィルタ
KR20010072241A (ko) * 1999-06-03 2001-07-31 모리시타 요이찌 탄성 표면파 필터
US6469598B2 (en) * 2001-03-12 2002-10-22 Matsushita Electric Industrial Co., Ltd. SAW filter with unidirectional transducer and communication apparatus using the same

Also Published As

Publication number Publication date
US6650206B2 (en) 2003-11-18
EP1189346A3 (de) 2005-03-16
US20020057035A1 (en) 2002-05-16
EP1189346B1 (de) 2008-10-08
EP1189346A2 (de) 2002-03-20

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8364 No opposition during term of opposition