DE602007000569D1 - Abstimmbares Filter - Google Patents
Abstimmbares FilterInfo
- Publication number
- DE602007000569D1 DE602007000569D1 DE602007000569T DE602007000569T DE602007000569D1 DE 602007000569 D1 DE602007000569 D1 DE 602007000569D1 DE 602007000569 T DE602007000569 T DE 602007000569T DE 602007000569 T DE602007000569 T DE 602007000569T DE 602007000569 D1 DE602007000569 D1 DE 602007000569D1
- Authority
- DE
- Germany
- Prior art keywords
- tunable filter
- tunable
- filter
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20336—Comb or interdigital filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006053853A JP4621155B2 (ja) | 2006-02-28 | 2006-02-28 | 可変フィルタ |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602007000569D1 true DE602007000569D1 (de) | 2009-04-09 |
Family
ID=38137746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602007000569T Active DE602007000569D1 (de) | 2006-02-28 | 2007-02-22 | Abstimmbares Filter |
Country Status (6)
Country | Link |
---|---|
US (1) | US7573356B2 (de) |
EP (1) | EP1826865B1 (de) |
JP (1) | JP4621155B2 (de) |
KR (1) | KR100823219B1 (de) |
CN (1) | CN101030666B (de) |
DE (1) | DE602007000569D1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8018312B2 (en) * | 2008-02-12 | 2011-09-13 | International Business Machines Corporation | Inductor and method of operating an inductor by combining primary and secondary coils with coupling structures |
US7944330B2 (en) * | 2008-03-06 | 2011-05-17 | Funai Electric Co., Ltd. | Resonant element and high frequency filter, and wireless communication apparatus equipped with the resonant element or the high frequency filter |
US8044751B2 (en) * | 2008-07-18 | 2011-10-25 | National Taiwan University | Switchable bandpass filter having stepped-impedance resonators loaded with diodes |
GB2465553A (en) | 2008-11-18 | 2010-05-26 | Univ Bristol | Resonator tuning using switches to control the degree of coupling between resonant modes |
KR20100072690A (ko) * | 2008-12-22 | 2010-07-01 | 한국전자통신연구원 | 광대역 가변 대역통과 필터 |
JP5294013B2 (ja) * | 2008-12-25 | 2013-09-18 | 富士通株式会社 | フィルタ、通信モジュール、および通信装置 |
EP2251927A1 (de) * | 2009-05-14 | 2010-11-17 | Thomson Licensing | Sperrbandfilter mit Doppelreaktion |
KR101295869B1 (ko) * | 2009-12-21 | 2013-08-12 | 한국전자통신연구원 | 복수의 절연층들에 형성된 선로 필터 |
JP5565091B2 (ja) * | 2010-05-19 | 2014-08-06 | 富士通株式会社 | 可変バンドパスフィルタ及び通信装置 |
JP2012191521A (ja) * | 2011-03-11 | 2012-10-04 | Fujitsu Ltd | 可変フィルタ装置および通信装置 |
JP5786483B2 (ja) * | 2011-06-20 | 2015-09-30 | ソニー株式会社 | 通信装置 |
CN102496764B (zh) * | 2011-12-30 | 2014-07-16 | 清华大学 | 一种可变频超导微带线谐振器 |
KR101351855B1 (ko) | 2012-12-03 | 2014-01-22 | 주식회사 피에스텍 | 고전력용 가변 인덕터와 이를 사용한 필터 |
US9464994B2 (en) | 2013-07-30 | 2016-10-11 | Clemson University | High sensitivity tunable radio frequency sensors |
US9571065B2 (en) | 2014-11-12 | 2017-02-14 | Elwha Llc | Surface acoustic wave device having end-to-end combinable selectable electrode sub-elements |
US9800226B2 (en) | 2014-11-12 | 2017-10-24 | Elwha Llc | Surface acoustic wave device having combinable selectable electrode sub-elements |
US9692389B2 (en) | 2014-11-12 | 2017-06-27 | Elwha Llc | Surface acoustic wave device having matrices of combinable selectable electrode sub-elements |
US9602077B2 (en) | 2014-11-12 | 2017-03-21 | Elwha Llc | Surface acoustic wave device having selectable electrode elements |
CN104538714B (zh) * | 2014-12-25 | 2017-04-26 | 深圳顺络电子股份有限公司 | 一种中心频率可调的带通滤波器 |
US10263330B2 (en) | 2016-05-26 | 2019-04-16 | Nokia Solutions And Networks Oy | Antenna elements and apparatus suitable for AAS calibration by selective couplerline and TRX RF subgroups |
US11101531B2 (en) | 2016-12-22 | 2021-08-24 | Smiths Interconnect, Inc. | Transmission line with tunable frequency response |
CN110176659B (zh) * | 2019-04-04 | 2021-05-11 | 南京航空航天大学 | 二进制式的带宽可重构的带通滤波器 |
EP4016567A4 (de) * | 2019-08-30 | 2022-09-07 | Huawei Technologies Co., Ltd. | Variabler kondensator, reflektierender phasenschieber und halbleiterbauelement |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03283909A (ja) | 1990-03-30 | 1991-12-13 | Kinseki Ltd | 帯域フイルタ |
US5055808A (en) * | 1990-09-21 | 1991-10-08 | Motorola, Inc. | Bandwidth agile, dielectrically loaded resonator filter |
JPH07147503A (ja) * | 1993-11-24 | 1995-06-06 | Murata Mfg Co Ltd | 誘電体フィルタ |
FI99174C (fi) * | 1995-11-23 | 1997-10-10 | Lk Products Oy | Kytkettävä dupleksisuodatin |
JPH09181504A (ja) * | 1995-12-22 | 1997-07-11 | Sony Corp | 誘電体フィルタ |
US5808527A (en) | 1996-12-21 | 1998-09-15 | Hughes Electronics Corporation | Tunable microwave network using microelectromechanical switches |
US6043727A (en) * | 1998-05-15 | 2000-03-28 | Hughes Electronics Corporation | Reconfigurable millimeterwave filter using stubs and stub extensions selectively coupled using voltage actuated micro-electro-mechanical switches |
AU1261800A (en) * | 1998-09-25 | 2000-04-17 | Siemens Aktiengesellschaft | Programmable mobile radiotelephone terminal |
JP2001230602A (ja) | 2000-02-16 | 2001-08-24 | Matsushita Electric Ind Co Ltd | 可変フィルタ |
JP2002009573A (ja) * | 2000-06-26 | 2002-01-11 | Mitsubishi Electric Corp | チューナブルフィルタ |
US6452465B1 (en) * | 2000-06-27 | 2002-09-17 | M-Squared Filters, Llc | High quality-factor tunable resonator |
US6686817B2 (en) * | 2000-12-12 | 2004-02-03 | Paratek Microwave, Inc. | Electronic tunable filters with dielectric varactors |
JP2002208801A (ja) | 2001-01-11 | 2002-07-26 | Nikko Co | 帯域可変型フィルタ回路及びそれを用いた高周波フロントエンド回路 |
WO2002084781A1 (en) * | 2001-04-11 | 2002-10-24 | Kyocera Wireless Corporation | Tunable multiplexer |
US6778023B2 (en) | 2001-07-31 | 2004-08-17 | Nokia Corporation | Tunable filter and method of tuning a filter |
JP3854212B2 (ja) | 2002-03-29 | 2006-12-06 | 株式会社東芝 | 高周波フィルタ |
US6784766B2 (en) * | 2002-08-21 | 2004-08-31 | Raytheon Company | MEMS tunable filters |
JP4053504B2 (ja) | 2004-01-30 | 2008-02-27 | 株式会社東芝 | チューナブルフィルタ |
JP3841305B2 (ja) | 2004-02-03 | 2006-11-01 | 株式会社エヌ・ティ・ティ・ドコモ | 可変共振器及び可変移相器 |
US7292124B2 (en) | 2004-02-03 | 2007-11-06 | Ntt Docomo, Inc. | Variable resonator and variable phase shifter |
JP2005223392A (ja) | 2004-02-03 | 2005-08-18 | Ntt Docomo Inc | 結合線路およびフィルタ |
JP4638711B2 (ja) | 2004-10-27 | 2011-02-23 | 株式会社エヌ・ティ・ティ・ドコモ | 共振器 |
JP2007009720A (ja) * | 2005-06-28 | 2007-01-18 | Toyota Industries Corp | 可変容量型圧縮機 |
-
2006
- 2006-02-28 JP JP2006053853A patent/JP4621155B2/ja not_active Expired - Fee Related
-
2007
- 2007-02-22 EP EP07003646A patent/EP1826865B1/de not_active Ceased
- 2007-02-22 US US11/677,878 patent/US7573356B2/en not_active Expired - Fee Related
- 2007-02-22 DE DE602007000569T patent/DE602007000569D1/de active Active
- 2007-02-26 CN CN2007100849795A patent/CN101030666B/zh not_active Expired - Fee Related
- 2007-02-27 KR KR1020070019867A patent/KR100823219B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1826865A2 (de) | 2007-08-29 |
KR20070089631A (ko) | 2007-08-31 |
CN101030666B (zh) | 2010-12-15 |
EP1826865A3 (de) | 2007-12-05 |
US20070200651A1 (en) | 2007-08-30 |
KR100823219B1 (ko) | 2008-04-18 |
JP4621155B2 (ja) | 2011-01-26 |
JP2007235457A (ja) | 2007-09-13 |
CN101030666A (zh) | 2007-09-05 |
EP1826865B1 (de) | 2009-02-25 |
US7573356B2 (en) | 2009-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |