DE60041305D1 - Akustisches Oberflächenwellenfilter, Duplexer und Kommunikationsgerät - Google Patents

Akustisches Oberflächenwellenfilter, Duplexer und Kommunikationsgerät

Info

Publication number
DE60041305D1
DE60041305D1 DE60041305T DE60041305T DE60041305D1 DE 60041305 D1 DE60041305 D1 DE 60041305D1 DE 60041305 T DE60041305 T DE 60041305T DE 60041305 T DE60041305 T DE 60041305T DE 60041305 D1 DE60041305 D1 DE 60041305D1
Authority
DE
Germany
Prior art keywords
duplexer
communication device
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
DE60041305T
Other languages
English (en)
Inventor
Norio Taniguchi
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26527753&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60041305(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE60041305D1 publication Critical patent/DE60041305D1/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
    • H03H9/6433—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
    • H03H9/25—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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE60041305T 1999-08-11 2000-08-10 Akustisches Oberflächenwellenfilter, Duplexer und Kommunikationsgerät Expired - Lifetime DE60041305D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22756799 1999-08-11
JP2000222907A JP3414370B2 (ja) 1999-08-11 2000-07-24 弾性表面波フィルタ、デュプレクサ、通信機装置

Publications (1)

Publication Number Publication Date
DE60041305D1 true DE60041305D1 (de) 2009-02-26

Family

ID=26527753

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60041305T Expired - Lifetime DE60041305D1 (de) 1999-08-11 2000-08-10 Akustisches Oberflächenwellenfilter, Duplexer und Kommunikationsgerät

Country Status (5)

Country Link
EP (1) EP1076413B1 (de)
JP (1) JP3414370B2 (de)
KR (1) KR100371857B1 (de)
CN (1) CN1191679C (de)
DE (1) DE60041305D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1484892A (zh) 2001-09-21 2004-03-24 ���µ�����ҵ��ʽ���� 高频器件
US7679474B2 (en) 2004-01-09 2010-03-16 Panasonic Corporation Surface acoustic wave resonator, and surface acoustic wave filter
CN1947334B (zh) 2004-04-28 2011-09-21 松下电器产业株式会社 弹性表面波谐振器及使用了该谐振器的弹性表面波滤波器
CN100502239C (zh) * 2004-07-13 2009-06-17 中国科学院声学研究所 一种声表面波双工器
JP4943137B2 (ja) * 2006-12-25 2012-05-30 京セラ株式会社 分波器および通信装置
JP5072642B2 (ja) * 2007-03-28 2012-11-14 京セラ株式会社 弾性表面波装置及びこれを用いた分波器並びに通信装置
WO2009110062A1 (ja) * 2008-03-04 2009-09-11 富士通株式会社 圧電薄膜共振器、フィルタ、通信モジュール、および通信装置
JP5765502B1 (ja) * 2013-09-17 2015-08-19 株式会社村田製作所 デュプレクサ
KR102121401B1 (ko) 2019-09-16 2020-06-10 (주)해강시스템창호 기능성 시스템 이중 창호
CN115987246A (zh) * 2023-02-02 2023-04-18 无锡市好达电子股份有限公司 高隔离度声表面波双工器及多工器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10242799A (ja) * 1997-02-26 1998-09-11 Kyocera Corp 弾性表面波フィルタ

Also Published As

Publication number Publication date
EP1076413B1 (de) 2009-01-07
EP1076413A3 (de) 2005-05-25
EP1076413A2 (de) 2001-02-14
KR20010050053A (ko) 2001-06-15
JP3414370B2 (ja) 2003-06-09
KR100371857B1 (ko) 2003-02-11
CN1284787A (zh) 2001-02-21
JP2001119260A (ja) 2001-04-27
CN1191679C (zh) 2005-03-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition