DE3382762D1 - Dielektrischer Filter. - Google Patents
Dielektrischer Filter.Info
- Publication number
- DE3382762D1 DE3382762D1 DE3382762T DE3382762T DE3382762D1 DE 3382762 D1 DE3382762 D1 DE 3382762D1 DE 3382762 T DE3382762 T DE 3382762T DE 3382762 T DE3382762 T DE 3382762T DE 3382762 D1 DE3382762 D1 DE 3382762D1
- Authority
- DE
- Germany
- Prior art keywords
- dielectric filter
- dielectric
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7656682A JPS58194403A (ja) | 1982-05-10 | 1982-05-10 | 誘電体フイルタ |
JP57076565A JPS58194402A (ja) | 1982-05-10 | 1982-05-10 | 誘電体フイルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3382762D1 true DE3382762D1 (de) | 1994-12-08 |
DE3382762T2 DE3382762T2 (de) | 1995-05-04 |
Family
ID=26417704
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383104137T Expired DE3380549D1 (en) | 1982-05-10 | 1983-04-27 | A dielectric filter |
DE3382762T Expired - Fee Related DE3382762T2 (de) | 1982-05-10 | 1983-04-27 | Dielektrischer Filter. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383104137T Expired DE3380549D1 (en) | 1982-05-10 | 1983-04-27 | A dielectric filter |
Country Status (4)
Country | Link |
---|---|
US (1) | US4546333A (de) |
EP (1) | EP0093956B1 (de) |
CA (1) | CA1195391A (de) |
DE (2) | DE3380549D1 (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6152003A (ja) * | 1984-08-21 | 1986-03-14 | Murata Mfg Co Ltd | 誘電体フイルタ |
US4742562A (en) * | 1984-09-27 | 1988-05-03 | Motorola, Inc. | Single-block dual-passband ceramic filter useable with a transceiver |
GB2165098B (en) * | 1984-09-27 | 1988-05-25 | Motorola Inc | Radio frequency filters |
US4768003A (en) * | 1984-09-28 | 1988-08-30 | Oki Electric Industry Co., Inc. | Microwave filter |
JPS62141802A (ja) * | 1985-12-16 | 1987-06-25 | Murata Mfg Co Ltd | 誘電体同軸共振器の固定構造 |
KR920001453B1 (ko) * | 1986-05-12 | 1992-02-14 | 오끼뎅끼 고오교오 가부시끼가이샤 | 유전체 필터 |
US4692726A (en) * | 1986-07-25 | 1987-09-08 | Motorola, Inc. | Multiple resonator dielectric filter |
US4716391A (en) * | 1986-07-25 | 1987-12-29 | Motorola, Inc. | Multiple resonator component-mountable filter |
US4954796A (en) * | 1986-07-25 | 1990-09-04 | Motorola, Inc. | Multiple resonator dielectric filter |
US4745379A (en) * | 1987-02-25 | 1988-05-17 | Rockwell International Corp. | Launcher-less and lumped capacitor-less ceramic comb-line filters |
US5023866A (en) * | 1987-02-27 | 1991-06-11 | Motorola, Inc. | Duplexer filter having harmonic rejection to control flyback |
DE3821071A1 (de) * | 1987-06-22 | 1989-01-05 | Murata Manufacturing Co | Dielektrischer filter |
JPH01251801A (ja) * | 1988-03-30 | 1989-10-06 | Ngk Spark Plug Co Ltd | 三導体構造フィルタ |
US4879533A (en) * | 1988-04-01 | 1989-11-07 | Motorola, Inc. | Surface mount filter with integral transmission line connection |
US4823098A (en) * | 1988-06-14 | 1989-04-18 | Motorola, Inc. | Monolithic ceramic filter with bandstop function |
GB2236432B (en) * | 1989-09-30 | 1994-06-29 | Kyocera Corp | Dielectric filter |
US6060965A (en) * | 1993-12-14 | 2000-05-09 | Electronics And Telecommunications Research Institute | Dielectric resonator and filter including capacitor electrodes on a non-conductive surface |
US5731746A (en) * | 1995-06-30 | 1998-03-24 | Motorola Inc. | Multi-frequency ceramic block filter with resonators in different planes |
JPH09252206A (ja) * | 1996-01-08 | 1997-09-22 | Murata Mfg Co Ltd | 誘電体フィルタ |
DE19624683C1 (de) * | 1996-06-20 | 1997-10-16 | Siemens Ag | Wärmeleitfähigkeitsdetektor |
JP3303787B2 (ja) * | 1998-08-24 | 2002-07-22 | 株式会社村田製作所 | 電極の切除方法 |
JP2002290108A (ja) | 2001-01-22 | 2002-10-04 | Murata Mfg Co Ltd | 誘電体デュプレクサおよび通信装置 |
WO2012043739A1 (ja) * | 2010-09-29 | 2012-04-05 | 京セラ株式会社 | 同軸共振器ならびにそれを用いた誘電体フィルタ,無線通信モジュールおよび無線通信機器 |
US11108143B2 (en) * | 2019-09-04 | 2021-08-31 | City University Of Hong Kong | Antenna and related communication device |
CN113972455B (zh) * | 2021-11-25 | 2022-09-30 | 南京航空航天大学 | 机械可调低通滤波器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1228011B (de) * | 1963-07-02 | 1966-11-03 | Siemens Ag | Durchstimmbares Bandfilter fuer sehr kurze elektromagnetische Wellen |
US3947934A (en) * | 1973-07-20 | 1976-04-06 | Rca Corporation | Method of tuning a tunable microelectronic LC circuit |
US4179673A (en) * | 1977-02-14 | 1979-12-18 | Murata Manufacturing Co., Ltd. | Interdigital filter |
JPS55143801A (en) * | 1979-04-27 | 1980-11-10 | Tdk Corp | Distributed constant filter |
US4288530A (en) * | 1979-10-15 | 1981-09-08 | Motorola, Inc. | Method of tuning apparatus by low power laser beam removal |
EP0038996B1 (de) * | 1980-04-28 | 1984-06-27 | Oki Electric Industry Company, Limited | Hochfrequenzfilter |
FR2509536A1 (fr) * | 1981-07-07 | 1983-01-14 | Thomson Csf | Filtre hyperfrequence comportant des couplages entre troncons de ligne et des moyens de reglage |
US4431977A (en) * | 1982-02-16 | 1984-02-14 | Motorola, Inc. | Ceramic bandpass filter |
-
1983
- 1983-04-27 DE DE8383104137T patent/DE3380549D1/de not_active Expired
- 1983-04-27 EP EP83104137A patent/EP0093956B1/de not_active Expired
- 1983-04-27 DE DE3382762T patent/DE3382762T2/de not_active Expired - Fee Related
- 1983-04-29 CA CA000426980A patent/CA1195391A/en not_active Expired
- 1983-05-02 US US06/490,881 patent/US4546333A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1195391A (en) | 1985-10-15 |
EP0093956A3 (en) | 1985-08-07 |
DE3382762T2 (de) | 1995-05-04 |
US4546333A (en) | 1985-10-08 |
EP0093956B1 (de) | 1989-09-06 |
EP0093956A2 (de) | 1983-11-16 |
DE3380549D1 (en) | 1989-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |