FI893231A0 - Bandelimineringsfilter. - Google Patents
Bandelimineringsfilter.Info
- Publication number
- FI893231A0 FI893231A0 FI893231A FI893231A FI893231A0 FI 893231 A0 FI893231 A0 FI 893231A0 FI 893231 A FI893231 A FI 893231A FI 893231 A FI893231 A FI 893231A FI 893231 A0 FI893231 A0 FI 893231A0
- Authority
- FI
- Finland
- Prior art keywords
- bandelimineringsfilter
- 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
- H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
- H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63166580A JPH0216802A (ja) | 1988-07-04 | 1988-07-04 | バンドエリミネーションフィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
FI893231A0 true FI893231A0 (fi) | 1989-07-03 |
FI893231A FI893231A (fi) | 1990-01-05 |
Family
ID=15833909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI893231A FI893231A (fi) | 1988-07-04 | 1989-07-03 | Bandelimineringsfilter. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0350256A3 (fi) |
JP (1) | JPH0216802A (fi) |
FI (1) | FI893231A (fi) |
NO (1) | NO892754L (fi) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03181205A (ja) * | 1989-12-11 | 1991-08-07 | Fuji Elelctrochem Co Ltd | 誘電体フィルタ |
JPH03247001A (ja) * | 1990-02-23 | 1991-11-05 | Fuji Elelctrochem Co Ltd | 誘電体フィルタ |
JPH03254202A (ja) * | 1990-03-02 | 1991-11-13 | Fujitsu Ltd | 誘電体共振器及びそれを用いたフィルタ |
CA2037262A1 (en) * | 1990-03-02 | 1991-09-03 | Hiroyuki Sogo | Dielectric resonator and a filter using same |
JPH0824243B2 (ja) * | 1990-03-02 | 1996-03-06 | 富士通株式会社 | 誘電体フィルタ |
JPH0490602A (ja) * | 1990-08-03 | 1992-03-24 | Fuji Elelctrochem Co Ltd | 誘電体共振器及び誘電体フィルタ |
GB2247125B (en) * | 1990-08-16 | 1995-01-11 | Technophone Ltd | Tunable bandpass filter |
JPH04103201A (ja) * | 1990-08-22 | 1992-04-06 | Fuji Elelctrochem Co Ltd | 誘電体帯域阻止フィルタ |
JPH04196829A (ja) * | 1990-11-28 | 1992-07-16 | Hitachi Ltd | 分波装置およびそれを用いた移動無線機 |
WO1992012546A1 (en) * | 1990-12-26 | 1992-07-23 | Ube Industries, Ltd. | Dielectric filter |
US5293141A (en) * | 1991-03-25 | 1994-03-08 | Sanyo Electric Co., Ltd. | Dielectric filter having external connection terminals on dielectric substrate and antenna duplexer using the same |
JP2643634B2 (ja) * | 1991-04-10 | 1997-08-20 | 株式会社村田製作所 | 誘電体同軸共振器および誘電体フィルタ |
JPH054603U (ja) * | 1991-06-27 | 1993-01-22 | 京セラ株式会社 | 帯域除去フイルタ |
US5202654A (en) * | 1991-07-22 | 1993-04-13 | Motorola, Inc. | Multi-stage monolithic ceramic bandstop filter with isolated filter stages |
JPH05167309A (ja) * | 1991-12-11 | 1993-07-02 | Fuji Elelctrochem Co Ltd | 誘電体フィルタ |
JP2811382B2 (ja) * | 1991-12-11 | 1998-10-15 | 富士電気化学株式会社 | 誘電体フィルタ |
JP2899210B2 (ja) * | 1994-05-20 | 1999-06-02 | 国際電気株式会社 | 周波数帯域可変フィルタ |
ATE275775T1 (de) * | 1998-03-18 | 2004-09-15 | Conductus Inc | Schmalbandbandsperrfilteranordnung und verfahren |
US6529750B1 (en) | 1998-04-03 | 2003-03-04 | Conductus, Inc. | Microstrip filter cross-coupling control apparatus and method |
WO2002013382A2 (en) | 2000-08-07 | 2002-02-14 | Conductus, Inc. | Varactor tuning for a narrow band filter |
US7437187B1 (en) | 2000-10-30 | 2008-10-14 | Conductus, Inc. | Superconductive filter with capacitive patches providing reduced cross-coupling |
WO2005064738A1 (en) | 2003-09-18 | 2005-07-14 | Conductus, Inc. | Stripline filter utilizing one or more inter-resonator coupling members |
GB2512032B (en) * | 2013-01-31 | 2020-07-29 | Clive Baty David | Filter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1568141A (en) * | 1920-08-13 | 1926-01-05 | American Telephone & Telegraph | Frequency selective circuits |
JPS605602A (ja) * | 1983-06-23 | 1985-01-12 | Murata Mfg Co Ltd | 非対称トラツプ |
JPS61105901A (ja) * | 1984-10-30 | 1986-05-24 | Sumitomo Electric Ind Ltd | ノツチフイルタ |
JPS61191101A (ja) * | 1985-02-19 | 1986-08-25 | Murata Mfg Co Ltd | フイルタ |
JPS61193501A (ja) * | 1985-02-21 | 1986-08-28 | Murata Mfg Co Ltd | フイルタ |
JPS61208902A (ja) * | 1985-03-13 | 1986-09-17 | Murata Mfg Co Ltd | Mic型誘電体フイルタ |
JPH01103001A (ja) * | 1987-10-15 | 1989-04-20 | Murata Mfg Co Ltd | 誘電体フィルタ |
-
1988
- 1988-07-04 JP JP63166580A patent/JPH0216802A/ja active Pending
-
1989
- 1989-07-03 FI FI893231A patent/FI893231A/fi not_active Application Discontinuation
- 1989-07-03 NO NO89892754A patent/NO892754L/no unknown
- 1989-07-04 EP EP19890306771 patent/EP0350256A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0350256A3 (en) | 1990-11-28 |
FI893231A (fi) | 1990-01-05 |
JPH0216802A (ja) | 1990-01-19 |
NO892754L (no) | 1990-01-05 |
NO892754D0 (no) | 1989-07-03 |
EP0350256A2 (en) | 1990-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed | ||
FD | Application lapsed |
Owner name: MURATA MANUFACTURING CO., LTD |