DE3682062D1 - Quasi-elliptisches richtungsfilter fuer mikrowellen. - Google Patents
Quasi-elliptisches richtungsfilter fuer mikrowellen.Info
- Publication number
- DE3682062D1 DE3682062D1 DE8686907180T DE3682062T DE3682062D1 DE 3682062 D1 DE3682062 D1 DE 3682062D1 DE 8686907180 T DE8686907180 T DE 8686907180T DE 3682062 T DE3682062 T DE 3682062T DE 3682062 D1 DE3682062 D1 DE 3682062D1
- Authority
- DE
- Germany
- Prior art keywords
- microwaves
- directional filter
- elliptic
- quasi
- quasi elliptic
- 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
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
- H01P1/2082—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with multimode resonators
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81336685A | 1985-12-24 | 1985-12-24 | |
PCT/US1986/002459 WO1987004013A1 (en) | 1985-12-24 | 1986-11-17 | Microwave directional filter with quasi-elliptic response |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3682062D1 true DE3682062D1 (de) | 1991-11-21 |
Family
ID=25212181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686907180T Expired - Fee Related DE3682062D1 (de) | 1985-12-24 | 1986-11-17 | Quasi-elliptisches richtungsfilter fuer mikrowellen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4725797A (de) |
EP (1) | EP0249612B1 (de) |
JP (1) | JPH0671166B2 (de) |
CA (1) | CA1257348A (de) |
DE (1) | DE3682062D1 (de) |
WO (1) | WO1987004013A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2697373B1 (fr) * | 1992-10-22 | 1994-12-09 | Alcatel Telspace | Filtre agile passe-bande hyperfréquences à cavités bi-modes. |
GB2276040A (en) * | 1993-03-12 | 1994-09-14 | Matra Marconi Space Uk Ltd | Dielectric resonator demultiplexer |
JP3022181B2 (ja) * | 1994-03-18 | 2000-03-15 | 日立電線株式会社 | 導波路型光合分波器 |
US5781085A (en) * | 1996-11-27 | 1998-07-14 | L-3 Communications Narda Microwave West | Polarity reversal network |
US5777534A (en) * | 1996-11-27 | 1998-07-07 | L-3 Communications Narda Microwave West | Inductor ring for providing tuning and coupling in a microwave dielectric resonator filter |
US5774030A (en) * | 1997-03-31 | 1998-06-30 | Hughes Electronics Corporation | Parallel axis cylindrical microwave filter |
US6104262A (en) * | 1998-10-06 | 2000-08-15 | Hughes Electronics Corporation | Ridged thick walled capacitive slot |
DE10208666A1 (de) * | 2002-02-28 | 2003-09-04 | Marconi Comm Gmbh | Bandpassfilter mit parallelen Signalwegen |
US6657521B2 (en) | 2002-04-26 | 2003-12-02 | The Boeing Company | Microwave waveguide filter having rectangular cavities, and method for its fabrication |
GB0419884D0 (en) * | 2004-09-08 | 2004-10-13 | Invacom Ltd | Broadcast signal waveguide |
US8586898B2 (en) * | 2010-05-12 | 2013-11-19 | John F. Novak | Method and apparatus for dual applicator microwave design |
US8972921B2 (en) | 2013-03-14 | 2015-03-03 | International Business Machines Corporation | Symmetric placement of components on a chip to reduce crosstalk induced by chip modes |
US8865537B2 (en) | 2013-03-14 | 2014-10-21 | International Business Machines Corporation | Differential excitation of ports to control chip-mode mediated crosstalk |
US9159033B2 (en) | 2013-03-14 | 2015-10-13 | Internatinal Business Machines Corporation | Frequency separation between qubit and chip mode to reduce purcell loss |
RU170771U1 (ru) * | 2016-11-22 | 2017-05-05 | Акционерное общество "Научно-производственная фирма "Микран" | Направленный фильтр свч |
GB202108762D0 (en) * | 2021-06-18 | 2021-08-04 | Univ Oxford Innovation Ltd | Dual-mode waveguide and waveguide device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2890421A (en) * | 1953-02-26 | 1959-06-09 | Univ California | Microwave cavity filter |
US4396896A (en) * | 1977-12-30 | 1983-08-02 | Communications Satellite Corporation | Multiple coupled cavity waveguide bandpass filters |
US4267537A (en) * | 1979-04-30 | 1981-05-12 | Communications Satellite Corporation | Right circular cylindrical sector cavity filter |
US4410865A (en) * | 1982-02-24 | 1983-10-18 | Hughes Aircraft Company | Spherical cavity microwave filter |
US4453146A (en) * | 1982-09-27 | 1984-06-05 | Ford Aerospace & Communications Corporation | Dual-mode dielectric loaded cavity filter with nonadjacent mode couplings |
CA1195741A (en) * | 1983-05-30 | 1985-10-22 | Com Dev Ltd. | Cascade waveguide triple-mode filters |
US4630009A (en) * | 1984-01-24 | 1986-12-16 | Com Dev Ltd. | Cascade waveguide triple-mode filters useable as a group delay equalizer |
CA1194160A (en) * | 1984-05-28 | 1985-09-24 | Wai-Cheung Tang | Planar dielectric resonator dual-mode filter |
-
1986
- 1986-11-17 WO PCT/US1986/002459 patent/WO1987004013A1/en active IP Right Grant
- 1986-11-17 DE DE8686907180T patent/DE3682062D1/de not_active Expired - Fee Related
- 1986-11-17 JP JP61506221A patent/JPH0671166B2/ja not_active Expired - Lifetime
- 1986-11-17 EP EP86907180A patent/EP0249612B1/de not_active Expired
- 1986-12-16 CA CA000525423A patent/CA1257348A/en not_active Expired
-
1987
- 1987-06-01 US US07/058,597 patent/US4725797A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0671166B2 (ja) | 1994-09-07 |
EP0249612A1 (de) | 1987-12-23 |
WO1987004013A1 (en) | 1987-07-02 |
US4725797A (en) | 1988-02-16 |
EP0249612B1 (de) | 1991-10-16 |
JPS63501913A (ja) | 1988-07-28 |
CA1257348A (en) | 1989-07-11 |
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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 |