FI933987A0 - Siirtojohtoresonaattorin sähköinen taajuudensäätökytkentä sekä säädettävä suodatin - Google Patents
Siirtojohtoresonaattorin sähköinen taajuudensäätökytkentä sekä säädettävä suodatinInfo
- Publication number
- FI933987A0 FI933987A0 FI933987A FI933987A FI933987A0 FI 933987 A0 FI933987 A0 FI 933987A0 FI 933987 A FI933987 A FI 933987A FI 933987 A FI933987 A FI 933987A FI 933987 A0 FI933987 A0 FI 933987A0
- Authority
- FI
- Finland
- Prior art keywords
- control circuit
- transmission line
- frequency control
- adjustable filter
- line resonator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI933987A FI95851C (fi) | 1993-09-10 | 1993-09-10 | Siirtojohtoresonaattorin sähköinen taajuudensäätökytkentä sekä säädettävä suodatin |
DE69427563T DE69427563T2 (de) | 1993-09-10 | 1994-09-09 | Abstimmbarer Filter |
US08/303,840 US5594395A (en) | 1993-09-10 | 1994-09-09 | Diode tuned resonator filter |
EP94306651A EP0643435B1 (en) | 1993-09-10 | 1994-09-09 | Tunable filter |
JP6217403A JPH07154110A (ja) | 1993-09-10 | 1994-09-12 | 伝送路共振器、及びこれを用いた無線周波数フィルタ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI933987A FI95851C (fi) | 1993-09-10 | 1993-09-10 | Siirtojohtoresonaattorin sähköinen taajuudensäätökytkentä sekä säädettävä suodatin |
FI933987 | 1993-09-10 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI933987A0 true FI933987A0 (fi) | 1993-09-10 |
FI933987A FI933987A (fi) | 1995-03-11 |
FI95851B FI95851B (fi) | 1995-12-15 |
FI95851C FI95851C (fi) | 1996-03-25 |
Family
ID=8538570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI933987A FI95851C (fi) | 1993-09-10 | 1993-09-10 | Siirtojohtoresonaattorin sähköinen taajuudensäätökytkentä sekä säädettävä suodatin |
Country Status (5)
Country | Link |
---|---|
US (1) | US5594395A (fi) |
EP (1) | EP0643435B1 (fi) |
JP (1) | JPH07154110A (fi) |
DE (1) | DE69427563T2 (fi) |
FI (1) | FI95851C (fi) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI98872C (fi) * | 1995-08-23 | 1997-08-25 | Lk Products Oy | Parannettu portaittain säädettävä suodatin |
US6683513B2 (en) | 2000-10-26 | 2004-01-27 | Paratek Microwave, Inc. | Electronically tunable RF diplexers tuned by tunable capacitors |
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 |
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 |
US8648752B2 (en) | 2011-02-11 | 2014-02-11 | Pulse Finland Oy | Chassis-excited antenna apparatus and methods |
US9673507B2 (en) | 2011-02-11 | 2017-06-06 | 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 |
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 |
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 (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2752575A (en) * | 1953-03-04 | 1956-06-26 | Collins Radio Co | Rejection filter |
NL7314269A (nl) * | 1973-10-17 | 1975-04-21 | Philips Nv | Microgolfinrichting voorzien van een 1/2 lambda resonator. |
IT1074089B (it) * | 1976-12-16 | 1985-04-17 | Sits Soc It Telecom Siemens | Filtro passa-reiettabanda per sistemi di telecomunicazioni |
US4186360A (en) * | 1977-02-18 | 1980-01-29 | Sanyo Electric Co., Ltd. | Digital channel selecting apparatus |
US4456895A (en) * | 1982-05-25 | 1984-06-26 | Rockwell International Corporation | Band selectable tunable bandpass filter |
FR2565438B1 (fr) * | 1984-05-30 | 1989-09-22 | Cepe | Filtre dielectrique a frequence centrale variable. |
US4623856A (en) * | 1984-06-11 | 1986-11-18 | Motorola, Inc. | Incrementally tuned RF filter having pin diode switched lines |
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 |
US4662001A (en) * | 1985-08-15 | 1987-04-28 | Zenith Electronics Corporation | Tunable notch filter for image frequency and conducted local oscillator leakage rejection |
US4799034A (en) * | 1987-10-26 | 1989-01-17 | General Instrument Corporation | Varactor tunable coupled transmission line band reject filter |
FR2644649B1 (fr) * | 1989-03-17 | 1991-05-31 | Portenseigne Radiotechnique | Filtre passe-bande a largeur de bande ajustable |
US5065453A (en) * | 1989-03-20 | 1991-11-12 | General Electric Company | Electrically-tunable bandpass filter |
FI89991C (fi) * | 1989-05-02 | 1993-12-10 | Nokia Telecommunications Oy | Hoegfrekvensbandpassfilter |
US4965539A (en) * | 1989-06-02 | 1990-10-23 | Watkins-Johnson Company | Microwave notch filter using pin diode shunted YIG resonators |
GB2247125B (en) * | 1990-08-16 | 1995-01-11 | Technophone Ltd | Tunable bandpass filter |
US5107233A (en) * | 1990-10-15 | 1992-04-21 | Hewlett-Packard Company | Amplitude correction of field coupled varactor tuned filters |
FI88442C (fi) * | 1991-06-25 | 1993-05-10 | Lk Products Oy | Foerfarande foer foerskjutning av den karakteristika kurvan av en resonator i frekvensplanet och en resonatorkonstruktion |
FR2678450B1 (fr) * | 1991-06-27 | 1993-09-03 | Dassault Electronique | Dispositif de filtrage coupe-bande hyperfrequence. |
-
1993
- 1993-09-10 FI FI933987A patent/FI95851C/fi not_active IP Right Cessation
-
1994
- 1994-09-09 US US08/303,840 patent/US5594395A/en not_active Expired - Fee Related
- 1994-09-09 EP EP94306651A patent/EP0643435B1/en not_active Expired - Lifetime
- 1994-09-09 DE DE69427563T patent/DE69427563T2/de not_active Expired - Fee Related
- 1994-09-12 JP JP6217403A patent/JPH07154110A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69427563D1 (de) | 2001-08-02 |
EP0643435A2 (en) | 1995-03-15 |
FI95851B (fi) | 1995-12-15 |
US5594395A (en) | 1997-01-14 |
FI933987A (fi) | 1995-03-11 |
EP0643435A3 (en) | 1995-12-06 |
FI95851C (fi) | 1996-03-25 |
DE69427563T2 (de) | 2002-05-29 |
EP0643435B1 (en) | 2001-06-27 |
JPH07154110A (ja) | 1995-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MA | Patent expired |