ATE432555T1 - Elastik-oberflächenwellenfilter des ausgleichstyps - Google Patents
Elastik-oberflächenwellenfilter des ausgleichstypsInfo
- Publication number
- ATE432555T1 ATE432555T1 AT05793732T AT05793732T ATE432555T1 AT E432555 T1 ATE432555 T1 AT E432555T1 AT 05793732 T AT05793732 T AT 05793732T AT 05793732 T AT05793732 T AT 05793732T AT E432555 T1 ATE432555 T1 AT E432555T1
- Authority
- AT
- Austria
- Prior art keywords
- idt
- wave filter
- sub
- denotes
- determines
- Prior art date
Links
- 238000010897 surface acoustic wave method Methods 0.000 abstract 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
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
- H03H9/46—Filters
- H03H9/64—Filters 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 elements; Electromechanical resonators
- H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
- H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
- H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
- H03H9/0038—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
- H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
- H03H9/0047—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks
- H03H9/0052—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks being electrically cascaded
- H03H9/0057—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks being electrically cascaded the balanced terminals being on the same side of the tracks
-
- 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
-
- 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
- H03H9/14588—Horizontally-split transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004308483 | 2004-10-22 | ||
| PCT/JP2005/018754 WO2006043445A1 (ja) | 2004-10-22 | 2005-10-12 | バランス型弾性表面波フィルタ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE432555T1 true ATE432555T1 (de) | 2009-06-15 |
Family
ID=36202861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT05793732T ATE432555T1 (de) | 2004-10-22 | 2005-10-12 | Elastik-oberflächenwellenfilter des ausgleichstyps |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7369015B2 (de) |
| EP (1) | EP1826902B1 (de) |
| JP (1) | JP4556950B2 (de) |
| KR (1) | KR100936896B1 (de) |
| CN (1) | CN101040436B (de) |
| AT (1) | ATE432555T1 (de) |
| DE (1) | DE602005014667D1 (de) |
| WO (1) | WO2006043445A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006048999A1 (ja) * | 2004-11-04 | 2006-05-11 | Murata Manufacturing Co., Ltd. | バランス型ｓａｗフィルタ |
| ATE403270T1 (de) * | 2004-11-04 | 2008-08-15 | Murata Mfg Co Ltd Patent Secti | Symmetrie-saw-filter |
| JP5094074B2 (ja) * | 2006-07-27 | 2012-12-12 | 京セラ株式会社 | 弾性表面波素子及び弾性表面波装置 |
| JP4873077B2 (ja) * | 2007-05-30 | 2012-02-08 | 株式会社村田製作所 | 弾性波フィルタ装置 |
| JP5110611B2 (ja) * | 2007-07-26 | 2012-12-26 | 京セラ株式会社 | 弾性表面波装置及び通信装置 |
| JP2009260463A (ja) * | 2008-04-14 | 2009-11-05 | Murata Mfg Co Ltd | 弾性波フィルタ装置 |
| DE102010021164B4 (de) | 2010-05-21 | 2019-02-21 | Snaptrack, Inc. | Balanced/Unbalanced arbeitendes SAW Filter |
| JP6940085B1 (ja) * | 2020-12-30 | 2021-09-22 | 三安ジャパンテクノロジー株式会社 | 弾性波デバイス |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPH06268476A (ja) * | 1993-03-11 | 1994-09-22 | Murata Mfg Co Ltd | ２段接続型多電極弾性表面波装置 |
| US5790000A (en) * | 1995-06-16 | 1998-08-04 | Northern Telecom Limited | Cascaded surface wave device filters providing balanced and unbalanced signal connections |
| GB2306821B (en) * | 1995-11-03 | 2000-05-31 | Advanced Saw Prod Sa | Electro-acoustic device |
| JPH1197966A (ja) * | 1997-09-22 | 1999-04-09 | Tdk Corp | 弾性表面波フィルタ |
| JP3266846B2 (ja) * | 1998-01-20 | 2002-03-18 | 東洋通信機株式会社 | 反射反転型弾性表面波変換器及びフィルタ |
| JP2000091883A (ja) * | 1998-09-11 | 2000-03-31 | Hitachi Media Electoronics Co Ltd | 弾性表面波フィルタ |
| DE19938748B4 (de) | 1999-08-16 | 2007-02-01 | Epcos Ag | Dualmode-Oberflächenwellen-Filter mit verbesserter Symmetrie und erhöhter Sperrdämpfung |
| JP3520413B2 (ja) | 2000-02-14 | 2004-04-19 | 株式会社村田製作所 | 弾性表面波フィルタ装置 |
| US6720842B2 (en) * | 2000-02-14 | 2004-04-13 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter device having first through third surface acoustic wave filter elements |
| JP2003179462A (ja) | 2000-04-18 | 2003-06-27 | Murata Mfg Co Ltd | 縦結合共振子型弾性表面波フィルタ |
| JP3391346B2 (ja) | 2000-04-18 | 2003-03-31 | 株式会社村田製作所 | 縦結合共振子型弾性表面波フィルタ |
| JP2001313540A (ja) | 2000-04-28 | 2001-11-09 | Toshiba Corp | 弾性表面波装置 |
| TW483238B (en) | 2000-06-30 | 2002-04-11 | Fujitsu Media Devices Ltd | Surface acoustic wave device |
| JP3509764B2 (ja) * | 2001-03-23 | 2004-03-22 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
| JP2003069383A (ja) * | 2001-08-29 | 2003-03-07 | Murata Mfg Co Ltd | 弾性表面波フィルタ |
| US20040006615A1 (en) | 2002-07-02 | 2004-01-08 | Sun Microsystems, Inc., A Delaware Corporation | Method and apparatus for cerating proxy auto-configuration file |
| JP3952907B2 (ja) | 2002-08-28 | 2007-08-01 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
| JP3931767B2 (ja) | 2002-08-29 | 2007-06-20 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
| JP3918698B2 (ja) * | 2002-09-20 | 2007-05-23 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
| EP1670138B1 (de) * | 2003-09-25 | 2009-05-27 | Murata Manufacturing Co., Ltd. | Akustischer wellenfilter und kommunikationseinheit |
| ATE403270T1 (de) * | 2004-11-04 | 2008-08-15 | Murata Mfg Co Ltd Patent Secti | Symmetrie-saw-filter |
-
2005
- 2005-10-12 AT AT05793732T patent/ATE432555T1/de not_active IP Right Cessation
- 2005-10-12 WO PCT/JP2005/018754 patent/WO2006043445A1/ja not_active Ceased
- 2005-10-12 KR KR20077008776A patent/KR100936896B1/ko not_active Expired - Lifetime
- 2005-10-12 JP JP2006542919A patent/JP4556950B2/ja not_active Expired - Lifetime
- 2005-10-12 CN CN2005800349030A patent/CN101040436B/zh not_active Expired - Lifetime
- 2005-10-12 DE DE200560014667 patent/DE602005014667D1/de not_active Expired - Lifetime
- 2005-10-12 EP EP05793732A patent/EP1826902B1/de not_active Expired - Lifetime
-
2007
- 2007-04-06 US US11/697,507 patent/US7369015B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20070171003A1 (en) | 2007-07-26 |
| DE602005014667D1 (de) | 2009-07-09 |
| JPWO2006043445A1 (ja) | 2008-05-22 |
| KR100936896B1 (ko) | 2010-01-14 |
| WO2006043445A1 (ja) | 2006-04-27 |
| EP1826902A1 (de) | 2007-08-29 |
| JP4556950B2 (ja) | 2010-10-06 |
| CN101040436B (zh) | 2010-10-20 |
| EP1826902A4 (de) | 2008-01-23 |
| EP1826902B1 (de) | 2009-05-27 |
| CN101040436A (zh) | 2007-09-19 |
| KR20070051367A (ko) | 2007-05-17 |
| US7369015B2 (en) | 2008-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5343965B2 (ja) | 弾性波フィルタ | |
| JP4631972B2 (ja) | 弾性波フィルタ装置 | |
| EP1168613A3 (de) | Akustisches Oberflächenwellenfilter vom longitudinal gekoppelten Resonatortyp und Kommunikationsgerät mit demselben | |
| CN102396153B (zh) | 弹性波滤波器和通信机 | |
| KR960016120A (ko) | 표면 음향파 필터 | |
| KR20160043100A (ko) | 듀플렉서 | |
| EP1394941A3 (de) | Akustische Oberflächenwellenvorrichtung und Kommunikationsvorrichtung | |
| WO2009001651A1 (ja) | 弾性表面波装置及び通信装置 | |
| EP1049254A3 (de) | Oberflächenwellenresonator, Oberflächenwellenverbundfilter und Oberflächenwellenfilter | |
| EP1717953A3 (de) | Akustisches Oberflächenwellenfilter und Duplexer mit demselben | |
| WO2009060594A1 (ja) | 弾性波共振器、弾性波フィルタおよびこれを用いたアンテナ共用器 | |
| US20200212888A1 (en) | Filter device and duplexer | |
| WO2007141049A3 (de) | Oszillatorkreis mit akustischen eintor-oberflächenwellenresonatoren | |
| EP1289135A3 (de) | Akustische Oberflächenwellenvorrichtung | |
| US8198959B2 (en) | Acoustic wave filter device | |
| DE602005014667D1 (de) | Elastik-oberflächenwellenfilter des ausgleichstyps | |
| EP2262109A3 (de) | Oberflächenschallwellenvorrichtung | |
| WO2008078496A1 (ja) | 弾性波装置 | |
| WO2008038502A1 (fr) | Filtre d'onde acoustique d'interface | |
| JP2014187455A5 (de) | ||
| WO2007083503A1 (ja) | 弾性表面波フィルタ装置 | |
| US7479853B2 (en) | Balanced type surface acoustic wave filter | |
| ATE556486T1 (de) | Filter mit elastischen wellen | |
| JP5086140B2 (ja) | 弾性波フィルタ | |
| JP2011044765A (ja) | 弾性表面波装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |