DK0441513T3 - Helixresonator - Google Patents
HelixresonatorInfo
- Publication number
- DK0441513T3 DK0441513T3 DK91300651.6T DK91300651T DK0441513T3 DK 0441513 T3 DK0441513 T3 DK 0441513T3 DK 91300651 T DK91300651 T DK 91300651T DK 0441513 T3 DK0441513 T3 DK 0441513T3
- Authority
- DK
- Denmark
- Prior art keywords
- helix resonator
- resonator
- helix
- 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
- H01P7/005—Helical resonators; Spiral resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
- H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI900611A FI84674C (fi) | 1990-02-07 | 1990-02-07 | Helix-resonator. |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0441513T3 true DK0441513T3 (da) | 1994-06-20 |
Family
ID=8529847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK91300651.6T DK0441513T3 (da) | 1990-02-07 | 1991-01-29 | Helixresonator |
Country Status (5)
Country | Link |
---|---|
US (1) | US5210510A (da) |
EP (1) | EP0441513B1 (da) |
DE (1) | DE69102155T2 (da) |
DK (1) | DK0441513T3 (da) |
FI (1) | FI84674C (da) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI84674C (fi) * | 1990-02-07 | 1991-12-27 | Lk Products Oy | Helix-resonator. |
US5812038A (en) * | 1994-06-06 | 1998-09-22 | Motorola, Inc. | Volume efficient resonator |
FI980911A (fi) * | 1998-04-24 | 1999-10-25 | Nokia Networks Oy | Resonaattorirakenne |
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 |
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 |
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 |
US9973228B2 (en) | 2014-08-26 | 2018-05-15 | Pulse Finland Oy | Antenna apparatus with an integrated proximity sensor and methods |
US9948002B2 (en) | 2014-08-26 | 2018-04-17 | 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 (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB847484A (en) * | 1956-05-18 | 1960-09-07 | British Thomson Houston Co Ltd | Improvements in or relating to waveguide systems |
DE1108753B (de) * | 1960-04-28 | 1961-06-15 | Standard Elektrik Lorenz Ag | Frequenzlinear abstimmbarer Hohlraum-Schwingkreis |
US3159803A (en) * | 1960-11-30 | 1964-12-01 | Bunker Ramo | Dual coaxial cavity resonators with variable coupling therebetween |
US3624515A (en) * | 1968-07-15 | 1971-11-30 | Motorola Inc | Ultrahigh frequency tuner with helical resonators coupled through apertures in shields |
US3622891A (en) * | 1969-03-28 | 1971-11-23 | Motorola Inc | Radio receiver with automatic control of attenuation for reduction of intermodulation |
US3691487A (en) * | 1970-04-24 | 1972-09-12 | Toko Inc | Helical resonator type filter |
US3825862A (en) * | 1972-11-01 | 1974-07-23 | Alps Electric Co Ltd | Helical resonator |
GB1602770A (en) * | 1977-06-03 | 1981-11-18 | Matsushita Electric Ind Co Ltd | Band pass filter |
US4365221A (en) * | 1981-03-30 | 1982-12-21 | Motorola Canada Limited | Helical resonator filter with dielectric apertures |
JPS583401A (ja) * | 1981-06-30 | 1983-01-10 | Nec Corp | ヘリカルレゾネ−タ型フイルタ |
US4385279A (en) * | 1981-08-04 | 1983-05-24 | Motorola, Inc. | Tunable helical resonator |
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 |
FI78198C (fi) * | 1987-11-20 | 1989-06-12 | Lk Products Oy | Oeverfoeringsledningsresonator. |
JPH01206701A (ja) * | 1988-02-12 | 1989-08-18 | Fujitsu Ltd | ヘリカルリゾネータフィルタ |
FI84674C (fi) * | 1990-02-07 | 1991-12-27 | Lk Products Oy | Helix-resonator. |
-
1990
- 1990-02-07 FI FI900611A patent/FI84674C/fi not_active IP Right Cessation
-
1991
- 1991-01-22 US US07/644,039 patent/US5210510A/en not_active Expired - Fee Related
- 1991-01-29 DK DK91300651.6T patent/DK0441513T3/da active
- 1991-01-29 DE DE69102155T patent/DE69102155T2/de not_active Expired - Fee Related
- 1991-01-29 EP EP91300651A patent/EP0441513B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69102155T2 (de) | 1995-01-05 |
EP0441513A1 (en) | 1991-08-14 |
US5210510A (en) | 1993-05-11 |
FI84674B (fi) | 1991-09-13 |
FI900611A (fi) | 1991-08-08 |
FI900611A0 (fi) | 1990-02-07 |
DE69102155D1 (de) | 1994-07-07 |
FI84674C (fi) | 1991-12-27 |
EP0441513B1 (en) | 1994-06-01 |
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