ATE162020T1 - Bandpass-filter mit mehreren parallel geschalteten stufen - Google Patents
Bandpass-filter mit mehreren parallel geschalteten stufenInfo
- Publication number
- ATE162020T1 ATE162020T1 AT90108335T AT90108335T ATE162020T1 AT E162020 T1 ATE162020 T1 AT E162020T1 AT 90108335 T AT90108335 T AT 90108335T AT 90108335 T AT90108335 T AT 90108335T AT E162020 T1 ATE162020 T1 AT E162020T1
- Authority
- AT
- Austria
- Prior art keywords
- parallel
- bandpass filter
- several stages
- stages connected
- input
- Prior art date
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11392789 | 1989-05-02 | ||
JP2103961A JPH0812961B2 (ja) | 1989-05-02 | 1990-04-19 | 並列多段型帯域通過フィルタ |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE162020T1 true ATE162020T1 (de) | 1998-01-15 |
Family
ID=26444521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90108335T ATE162020T1 (de) | 1989-05-02 | 1990-05-02 | Bandpass-filter mit mehreren parallel geschalteten stufen |
Country Status (8)
Country | Link |
---|---|
US (1) | US5097236A (de) |
EP (1) | EP0396123B1 (de) |
JP (1) | JPH0812961B2 (de) |
AT (1) | ATE162020T1 (de) |
DE (1) | DE69031881T2 (de) |
DK (1) | DK0396123T3 (de) |
ES (1) | ES2112245T3 (de) |
FI (1) | FI98671C (de) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5307036A (en) * | 1989-06-09 | 1994-04-26 | Lk-Products Oy | Ceramic band-stop filter |
US5103197A (en) * | 1989-06-09 | 1992-04-07 | Lk-Products Oy | Ceramic band-pass filter |
FI86673C (fi) * | 1991-04-12 | 1992-09-25 | Lk Products Oy | Keramiskt duplexfilter. |
JPH04132703U (ja) * | 1991-05-31 | 1992-12-09 | 株式会社村田製作所 | 並列多段型帯域通過フイルタ |
US5926466A (en) * | 1995-05-16 | 1999-07-20 | Matsushita Electric Industrial Co., Ltd. | Time division multiple access FDD wireless unit and time division multiple access FDD/TDD dual mode wireless unit |
US6107898A (en) * | 1998-04-30 | 2000-08-22 | The United State Of America As Represented By The Secretary Of The Navy | Microwave channelized bandpass filter having two channels |
US6337610B1 (en) | 1999-11-22 | 2002-01-08 | Comsat Corporation | Asymmetric response bandpass filter having resonators with minimum couplings |
JP2001345601A (ja) * | 2000-03-30 | 2001-12-14 | Toshiba Corp | フィルタ回路 |
DE10208666A1 (de) | 2002-02-28 | 2003-09-04 | Marconi Comm Gmbh | Bandpassfilter mit parallelen Signalwegen |
JP3932962B2 (ja) * | 2002-04-17 | 2007-06-20 | 株式会社村田製作所 | バンドパスフィルタ及び通信機 |
JP3705257B2 (ja) | 2002-08-30 | 2005-10-12 | 株式会社村田製作所 | 並列多段型帯域通過フィルタ |
US20050270120A1 (en) * | 2004-06-02 | 2005-12-08 | Jiunn-Sheng Guo | Dielectric resonator filter and multiplexer |
WO2006022672A1 (en) * | 2004-07-30 | 2006-03-02 | Raytheon Company | Apparatus and methods for split-feed coupled-ring resonator-pair elliptic-function filters |
FI20055420A0 (fi) * | 2005-07-25 | 2005-07-25 | Lk Products Oy | Säädettävä monikaista antenni |
FI119009B (fi) * | 2005-10-03 | 2008-06-13 | Pulse Finland Oy | Monikaistainen antennijärjestelmä |
FI118782B (fi) | 2005-10-14 | 2008-03-14 | Pulse Finland Oy | Säädettävä antenni |
JP2007174438A (ja) | 2005-12-23 | 2007-07-05 | Toshiba Corp | フィルタ回路及びフィルタを備えた無線通信システム |
US8618990B2 (en) | 2011-04-13 | 2013-12-31 | Pulse Finland Oy | Wideband antenna and methods |
JP4303272B2 (ja) * | 2006-09-15 | 2009-07-29 | 株式会社東芝 | フィルタ回路 |
FI20075269A0 (fi) * | 2007-04-19 | 2007-04-19 | Pulse Finland Oy | Menetelmä ja järjestely antennin sovittamiseksi |
FI120427B (fi) | 2007-08-30 | 2009-10-15 | Pulse Finland Oy | Säädettävä monikaista-antenni |
FI20096134A0 (fi) | 2009-11-03 | 2009-11-03 | Pulse Finland Oy | Säädettävä antenni |
FI20096251A0 (sv) | 2009-11-27 | 2009-11-27 | Pulse Finland Oy | MIMO-antenn |
US8847833B2 (en) * | 2009-12-29 | 2014-09-30 | Pulse Finland Oy | Loop resonator apparatus and methods for enhanced field control |
FI20105158A (fi) | 2010-02-18 | 2011-08-19 | Pulse Finland Oy | Kuorisäteilijällä varustettu antenni |
EP2378606A1 (de) * | 2010-04-16 | 2011-10-19 | Astrium Limited | Mehrbandfilter |
US9406998B2 (en) | 2010-04-21 | 2016-08-02 | Pulse Finland Oy | Distributed multiband antenna and methods |
FI20115072A0 (fi) | 2011-01-25 | 2011-01-25 | Pulse Finland Oy | Moniresonanssiantenni, -antennimoduuli ja radiolaite |
US9673507B2 (en) | 2011-02-11 | 2017-06-06 | Pulse Finland Oy | Chassis-excited antenna apparatus and methods |
US8648752B2 (en) | 2011-02-11 | 2014-02-11 | Pulse Finland Oy | Chassis-excited antenna apparatus and methods |
WO2012164273A1 (en) * | 2011-06-01 | 2012-12-06 | Filtronic Wireless Ltd | A microwave filter |
US8866689B2 (en) | 2011-07-07 | 2014-10-21 | Pulse Finland Oy | Multi-band antenna and methods for long term evolution wireless system |
US9450291B2 (en) | 2011-07-25 | 2016-09-20 | Pulse Finland Oy | Multiband slot loop antenna apparatus and methods |
US9123990B2 (en) | 2011-10-07 | 2015-09-01 | Pulse Finland Oy | Multi-feed antenna apparatus and methods |
US9531058B2 (en) | 2011-12-20 | 2016-12-27 | Pulse Finland Oy | Loosely-coupled radio antenna apparatus and methods |
US9484619B2 (en) | 2011-12-21 | 2016-11-01 | Pulse Finland Oy | Switchable diversity antenna apparatus and methods |
US8988296B2 (en) | 2012-04-04 | 2015-03-24 | Pulse Finland Oy | Compact polarized antenna and methods |
CN106169920B (zh) * | 2012-08-10 | 2019-02-12 | 株式会社村田制作所 | 层叠体及通信装置 |
US9979078B2 (en) | 2012-10-25 | 2018-05-22 | Pulse Finland Oy | Modular cell antenna apparatus and methods |
US10069209B2 (en) | 2012-11-06 | 2018-09-04 | Pulse Finland Oy | Capacitively coupled antenna apparatus and methods |
US9647338B2 (en) | 2013-03-11 | 2017-05-09 | Pulse Finland Oy | Coupled antenna structure and methods |
US10079428B2 (en) | 2013-03-11 | 2018-09-18 | Pulse Finland Oy | Coupled antenna structure and methods |
US9634383B2 (en) | 2013-06-26 | 2017-04-25 | Pulse Finland Oy | Galvanically separated non-interacting antenna sector apparatus and methods |
JP5620549B1 (ja) * | 2013-07-16 | 2014-11-05 | 八重洲無線株式会社 | 帯域通過フィルタ及びそれを用いた無線受信機 |
US9312927B2 (en) * | 2013-11-11 | 2016-04-12 | Qualcomm Incorporated | Tunable guard ring for improved circuit isolation |
US9680212B2 (en) | 2013-11-20 | 2017-06-13 | Pulse Finland Oy | Capacitive grounding methods and apparatus for mobile devices |
US9590308B2 (en) | 2013-12-03 | 2017-03-07 | Pulse Electronics, Inc. | Reduced surface area antenna apparatus and mobile communications devices incorporating the same |
US9350081B2 (en) | 2014-01-14 | 2016-05-24 | Pulse Finland Oy | Switchable multi-radiator high band antenna apparatus |
US9948002B2 (en) | 2014-08-26 | 2018-04-17 | Pulse Finland Oy | Antenna apparatus with an integrated proximity sensor and methods |
US9973228B2 (en) | 2014-08-26 | 2018-05-15 | Pulse Finland Oy | Antenna apparatus with an integrated proximity sensor and methods |
US9722308B2 (en) | 2014-08-28 | 2017-08-01 | Pulse Finland Oy | Low passive intermodulation distributed antenna system for multiple-input multiple-output systems and methods of use |
US9906260B2 (en) | 2015-07-30 | 2018-02-27 | Pulse Finland Oy | Sensor-based closed loop antenna swapping apparatus and methods |
JP6545398B2 (ja) * | 2016-11-08 | 2019-07-17 | 三菱電機株式会社 | マルチバンドフィルタ |
SG11202104824UA (en) * | 2018-11-26 | 2021-06-29 | Fisher & Paykel Healthcare Ltd | Diffuser for a component of a respiratory therapy system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716733A (en) * | 1950-05-10 | 1955-08-30 | Exxon Research Engineering Co | Variable bandwidth band-pass filter |
US2709206A (en) * | 1951-01-31 | 1955-05-24 | Exxon Research Engineering Co | Constant time delay band-pass filter |
US3345589A (en) * | 1962-12-14 | 1967-10-03 | Bell Telephone Labor Inc | Transmission line type microwave filter |
FR1354860A (fr) * | 1962-12-19 | 1964-03-13 | Thomson Houston Comp Francaise | Filtre de bande à déphasage linéaire |
JPS6025129Y2 (ja) * | 1980-08-27 | 1985-07-29 | デイエツクスアンテナ株式会社 | 多チヤンネル混合分波器 |
US4395688A (en) * | 1981-08-11 | 1983-07-26 | Harris Corporation | Linear phase filter with self-equalized group delay |
JPS58141601U (ja) * | 1982-03-19 | 1983-09-24 | 八木アンテナ株式会社 | 帯域通過炉波器 |
US4728913A (en) * | 1985-01-18 | 1988-03-01 | Murata Manufacturing Co., Ltd. | Dielectric resonator |
JPS61170166A (ja) * | 1985-01-24 | 1986-07-31 | Yagi Antenna Co Ltd | ろ波回路 |
SU1262601A1 (ru) * | 1985-04-25 | 1986-10-07 | Предприятие П/Я В-2749 | Фильтрующее устройство |
US4571560A (en) * | 1985-05-21 | 1986-02-18 | Zenith Electronics Corporation | Switched bandpass filter |
US4682131A (en) * | 1985-06-07 | 1987-07-21 | Motorola Inc. | High-Q RF filter with printed circuit board mounting temperature compensated and impedance matched helical resonators |
JPS62233910A (ja) * | 1986-04-02 | 1987-10-14 | Toyo Commun Equip Co Ltd | 2ポ−ト水晶共振器を用いたバンドパスフイルタ |
-
1990
- 1990-04-19 JP JP2103961A patent/JPH0812961B2/ja not_active Expired - Fee Related
- 1990-05-01 US US07/517,248 patent/US5097236A/en not_active Expired - Lifetime
- 1990-05-02 DK DK90108335T patent/DK0396123T3/da active
- 1990-05-02 DE DE69031881T patent/DE69031881T2/de not_active Expired - Fee Related
- 1990-05-02 FI FI902185A patent/FI98671C/fi active IP Right Grant
- 1990-05-02 EP EP90108335A patent/EP0396123B1/de not_active Expired - Lifetime
- 1990-05-02 ES ES90108335T patent/ES2112245T3/es not_active Expired - Lifetime
- 1990-05-02 AT AT90108335T patent/ATE162020T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2112245T3 (es) | 1998-04-01 |
EP0396123A3 (de) | 1990-12-12 |
DE69031881T2 (de) | 1998-08-13 |
FI98671C (fi) | 1997-07-25 |
DK0396123T3 (da) | 1998-09-07 |
JPH0372701A (ja) | 1991-03-27 |
EP0396123B1 (de) | 1998-01-07 |
US5097236A (en) | 1992-03-17 |
FI902185A0 (fi) | 1990-05-02 |
EP0396123A2 (de) | 1990-11-07 |
JPH0812961B2 (ja) | 1996-02-07 |
DE69031881D1 (de) | 1998-02-12 |
FI98671B (fi) | 1997-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |