FR2374753B1 - - Google Patents
Info
- Publication number
- FR2374753B1 FR2374753B1 FR7737222A FR7737222A FR2374753B1 FR 2374753 B1 FR2374753 B1 FR 2374753B1 FR 7737222 A FR7737222 A FR 7737222A FR 7737222 A FR7737222 A FR 7737222A FR 2374753 B1 FR2374753 B1 FR 2374753B1
- Authority
- FR
- France
- 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
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2657649A DE2657649C2 (de) | 1976-12-20 | 1976-12-20 | Filter für sehr kurze elektromagnetische Wellen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2374753A1 FR2374753A1 (fr) | 1978-07-13 |
| FR2374753B1 true FR2374753B1 (enExample) | 1980-09-12 |
Family
ID=5995977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7737222A Granted FR2374753A1 (fr) | 1976-12-20 | 1977-12-09 | Filtre pour des ondes electromagnetiques tres courtes |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4167713A (enExample) |
| BE (1) | BE862063A (enExample) |
| CA (1) | CA1110334A (enExample) |
| DE (1) | DE2657649C2 (enExample) |
| DK (1) | DK526877A (enExample) |
| FR (1) | FR2374753A1 (enExample) |
| GB (1) | GB1590860A (enExample) |
| IE (1) | IE45949B1 (enExample) |
| IT (1) | IT1088823B (enExample) |
| LU (1) | LU78715A1 (enExample) |
| NL (1) | NL7714023A (enExample) |
| SE (1) | SE423766B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4291288A (en) * | 1979-12-10 | 1981-09-22 | Hughes Aircraft Company | Folded end-coupled general response filter |
| JPS5761313A (en) * | 1980-09-30 | 1982-04-13 | Matsushita Electric Ind Co Ltd | Band-pass filter for ultra-high frequency |
| US4453146A (en) * | 1982-09-27 | 1984-06-05 | Ford Aerospace & Communications Corporation | Dual-mode dielectric loaded cavity filter with nonadjacent mode couplings |
| FI97497C (fi) * | 1994-02-11 | 1996-12-27 | Solitra Oy | Resonaattorin kotelorakenne |
| RU2111583C1 (ru) * | 1995-03-10 | 1998-05-20 | Владимир Николаевич Рожков | Свч-фильтр |
| FR2742262B1 (fr) * | 1995-12-12 | 1998-01-09 | Alcatel Telspace | Filtre pseudo-elliptique dans le domaine millimetrique realise en technologie guide d'ondes |
| US5936490A (en) | 1996-08-06 | 1999-08-10 | K&L Microwave Inc. | Bandpass filter |
| 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 |
| US5781085A (en) * | 1996-11-27 | 1998-07-14 | L-3 Communications Narda Microwave West | Polarity reversal network |
| US6337610B1 (en) | 1999-11-22 | 2002-01-08 | Comsat Corporation | Asymmetric response bandpass filter having resonators with minimum couplings |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3597709A (en) * | 1969-03-24 | 1971-08-03 | Microwave Dev Lab Inc | Filter having direct and cross-coupled resonators |
| DE1942867A1 (de) * | 1969-08-22 | 1971-03-04 | Siemens Ag | Filter fuer sehr kurze elektromagnetische Wellen |
| DE2511800C3 (de) * | 1975-03-18 | 1979-02-22 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Mikrowellenfilter mit im Dual-Mode betriebenen Hohlraumresonatoren und zusätzlichen Überkopplungen |
-
1976
- 1976-12-20 DE DE2657649A patent/DE2657649C2/de not_active Expired
-
1977
- 1977-11-28 DK DK526877A patent/DK526877A/da not_active Application Discontinuation
- 1977-11-30 US US05/855,891 patent/US4167713A/en not_active Expired - Lifetime
- 1977-12-09 FR FR7737222A patent/FR2374753A1/fr active Granted
- 1977-12-16 IT IT30812/77A patent/IT1088823B/it active
- 1977-12-19 GB GB52632/77A patent/GB1590860A/en not_active Expired
- 1977-12-19 SE SE7714427A patent/SE423766B/sv unknown
- 1977-12-19 LU LU78715A patent/LU78715A1/xx unknown
- 1977-12-19 NL NL7714023A patent/NL7714023A/xx active Search and Examination
- 1977-12-19 IE IE2570/77A patent/IE45949B1/en unknown
- 1977-12-19 CA CA293,372A patent/CA1110334A/en not_active Expired
- 1977-12-20 BE BE183628A patent/BE862063A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE7714427L (sv) | 1978-06-21 |
| US4167713A (en) | 1979-09-11 |
| DE2657649C2 (de) | 1982-04-29 |
| DK526877A (da) | 1978-06-21 |
| LU78715A1 (enExample) | 1978-04-17 |
| GB1590860A (en) | 1981-06-10 |
| IE45949B1 (en) | 1983-01-12 |
| DE2657649A1 (de) | 1978-06-22 |
| IT1088823B (it) | 1985-06-10 |
| BE862063A (fr) | 1978-04-14 |
| NL7714023A (nl) | 1978-06-22 |
| IE45949L (en) | 1978-06-20 |
| SE423766B (sv) | 1982-05-24 |
| CA1110334A (en) | 1981-10-06 |
| FR2374753A1 (fr) | 1978-07-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |