FI930944A0 - Radiotaajuussuodatin - Google Patents
RadiotaajuussuodatinInfo
- Publication number
- FI930944A0 FI930944A0 FI930944A FI930944A FI930944A0 FI 930944 A0 FI930944 A0 FI 930944A0 FI 930944 A FI930944 A FI 930944A FI 930944 A FI930944 A FI 930944A FI 930944 A0 FI930944 A0 FI 930944A0
- Authority
- FI
- Finland
- Prior art keywords
- radio frequency
- frequency filter
- filter
- radio
- frequency
- Prior art date
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
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/2039—Galvanic coupling between Input/Output
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Transceivers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI930944A FI93503C (fi) | 1993-03-03 | 1993-03-03 | Radiotaajuussuodatin |
EP94301242A EP0614242A1 (en) | 1993-03-03 | 1994-02-22 | Electrical filter |
AU56338/94A AU671886B2 (en) | 1993-03-03 | 1994-02-24 | A filter |
CA002116375A CA2116375A1 (en) | 1993-03-03 | 1994-02-24 | Radio frequency filter |
US08/202,901 US5467065A (en) | 1993-03-03 | 1994-02-28 | Filter having resonators coupled by a saw filter and a duplex filter formed therefrom |
JP6032274A JPH06318841A (ja) | 1993-03-03 | 1994-03-02 | フィルタおよび無線トランシーバ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI930944A FI93503C (fi) | 1993-03-03 | 1993-03-03 | Radiotaajuussuodatin |
FI930944 | 1993-03-03 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI930944A0 true FI930944A0 (fi) | 1993-03-03 |
FI930944A FI930944A (fi) | 1994-09-04 |
FI93503B FI93503B (fi) | 1994-12-30 |
FI93503C FI93503C (fi) | 1995-04-10 |
Family
ID=8537485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI930944A FI93503C (fi) | 1993-03-03 | 1993-03-03 | Radiotaajuussuodatin |
Country Status (6)
Country | Link |
---|---|
US (1) | US5467065A (fi) |
EP (1) | EP0614242A1 (fi) |
JP (1) | JPH06318841A (fi) |
AU (1) | AU671886B2 (fi) |
CA (1) | CA2116375A1 (fi) |
FI (1) | FI93503C (fi) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07176912A (ja) * | 1993-12-17 | 1995-07-14 | Sanyo Electric Co Ltd | 高周波フィルタ |
US5802447A (en) * | 1995-02-08 | 1998-09-01 | Casio Computer Co., Ltd. | Transmitter-receiver for a radio communication apparatus |
JP3739858B2 (ja) * | 1996-06-14 | 2006-01-25 | 松下電器産業株式会社 | 高周波フィルタ |
FI962815A0 (fi) * | 1996-07-11 | 1996-07-11 | Lk Products Oy | Duplex-filter |
US5834994A (en) * | 1997-01-17 | 1998-11-10 | Motorola Inc. | Multilayer lowpass filter with improved ground plane configuration |
US5818313A (en) * | 1997-01-31 | 1998-10-06 | Motorola Inc. | Multilayer lowpass filter with single point ground plane configuration |
US6204812B1 (en) * | 1998-10-09 | 2001-03-20 | Cell-Loc Inc. | Methods and apparatus to position a mobile receiver using downlink signals, part II |
FR2800216B1 (fr) * | 1999-10-25 | 2001-12-28 | Thomson Multimedia Sa | Dispositif de reception/emission simultanees de signaux comprenant un amplificateur a faible bruit |
EP1763905A4 (en) | 2004-06-28 | 2012-08-29 | Pulse Finland Oy | ANTENNA COMPONENT |
FI20055420A0 (fi) | 2005-07-25 | 2005-07-25 | Lk Products Oy | Säädettävä monikaista antenni |
NO323325B1 (no) * | 2005-08-11 | 2007-03-19 | Norspace As | Elektronisk filter |
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 |
FI119577B (fi) * | 2005-11-24 | 2008-12-31 | Pulse Finland Oy | Monikaistainen antennikomponentti |
US8618990B2 (en) | 2011-04-13 | 2013-12-31 | Pulse Finland Oy | Wideband antenna and methods |
US10211538B2 (en) | 2006-12-28 | 2019-02-19 | Pulse Finland Oy | Directional antenna apparatus and methods |
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 |
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 |
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 |
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 |
US10079428B2 (en) | 2013-03-11 | 2018-09-18 | Pulse Finland Oy | Coupled antenna structure and methods |
US9647338B2 (en) | 2013-03-11 | 2017-05-09 | 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 |
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 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5896351U (ja) * | 1981-12-22 | 1983-06-30 | 日本電気株式会社 | アンテナ共用器 |
JPS59194501A (ja) * | 1983-04-20 | 1984-11-05 | Matsushita Electric Ind Co Ltd | トラツプ回路 |
US4694266A (en) * | 1986-07-29 | 1987-09-15 | R. F. Monolithic, Inc. | Notch filter |
JPS63132515A (ja) * | 1986-11-25 | 1988-06-04 | Hitachi Ltd | 弾性表面波複合フイルタ |
DE3853513T2 (de) * | 1987-11-20 | 1995-11-23 | Oki Electric Ind Co Ltd | Akustische Oberflächenwellenanordnung. |
JPH01260911A (ja) * | 1988-04-11 | 1989-10-18 | Hitachi Ltd | 弾性表面波共振器複合形フィルタ |
JPH0211701A (ja) * | 1988-06-29 | 1990-01-16 | Showa Denko Kk | Fe−Si合金粉の製造法 |
US5077545A (en) * | 1990-05-02 | 1991-12-31 | Sawtek, Inc. | Surface acoustic wave waveguide-coupled resonator notch filter |
FI88565C (fi) * | 1990-07-06 | 1993-05-25 | Lk Products Oy | Foerfarande foer att foerbaettra spaerrdaempning av ett radiofrekvensfilter |
US5254962A (en) * | 1992-06-19 | 1993-10-19 | Motorola, Inc. | Combined acoustic wave device and ceramic block filter structure |
-
1993
- 1993-03-03 FI FI930944A patent/FI93503C/fi not_active IP Right Cessation
-
1994
- 1994-02-22 EP EP94301242A patent/EP0614242A1/en not_active Ceased
- 1994-02-24 AU AU56338/94A patent/AU671886B2/en not_active Ceased
- 1994-02-24 CA CA002116375A patent/CA2116375A1/en not_active Abandoned
- 1994-02-28 US US08/202,901 patent/US5467065A/en not_active Expired - Fee Related
- 1994-03-02 JP JP6032274A patent/JPH06318841A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH06318841A (ja) | 1994-11-15 |
FI93503C (fi) | 1995-04-10 |
AU671886B2 (en) | 1996-09-12 |
EP0614242A1 (en) | 1994-09-07 |
AU5633894A (en) | 1994-09-08 |
US5467065A (en) | 1995-11-14 |
FI930944A (fi) | 1994-09-04 |
FI93503B (fi) | 1994-12-30 |
CA2116375A1 (en) | 1994-09-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Owner name: LK-PRODUCTS OY |
|
BB | Publication of examined application | ||
MM | Patent lapsed |