IT1266852B1 - Cavita' bimodale per filtri passa banda in guida d'onda. - Google Patents
Cavita' bimodale per filtri passa banda in guida d'onda.Info
- Publication number
- IT1266852B1 IT1266852B1 IT94TO000473A ITTO940473A IT1266852B1 IT 1266852 B1 IT1266852 B1 IT 1266852B1 IT 94TO000473 A IT94TO000473 A IT 94TO000473A IT TO940473 A ITTO940473 A IT TO940473A IT 1266852 B1 IT1266852 B1 IT 1266852B1
- Authority
- IT
- Italy
- Prior art keywords
- bandwave
- filters
- wave guide
- bimodal cavity
- bimodal
- 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
- H01P1/207—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
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94TO000473A IT1266852B1 (it) | 1994-06-08 | 1994-06-08 | Cavita' bimodale per filtri passa banda in guida d'onda. |
CA002150657A CA2150657C (en) | 1994-06-08 | 1995-05-31 | Dual mode cavity for waveguide bandpass filters |
DE69522148T DE69522148T2 (de) | 1994-06-08 | 1995-06-08 | Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter |
DE0687027T DE687027T1 (de) | 1994-06-08 | 1995-06-08 | Zweimoden-Hohlraumresonator für Hohlleiter-Bandpassfilter |
EP95108806A EP0687027B1 (en) | 1994-06-08 | 1995-06-08 | Dual mode cavity for waveguide bandpass filters |
JP7166804A JP2641090B2 (ja) | 1994-06-08 | 1995-06-08 | 導波管バンドパスフィルター用二重モード空洞共振器 |
US08/798,645 US5703547A (en) | 1994-06-08 | 1997-02-11 | Dual-mode cavity for waveguide bandpass filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94TO000473A IT1266852B1 (it) | 1994-06-08 | 1994-06-08 | Cavita' bimodale per filtri passa banda in guida d'onda. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO940473A0 ITTO940473A0 (it) | 1994-06-08 |
ITTO940473A1 ITTO940473A1 (it) | 1995-12-08 |
IT1266852B1 true IT1266852B1 (it) | 1997-01-21 |
Family
ID=11412587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT94TO000473A IT1266852B1 (it) | 1994-06-08 | 1994-06-08 | Cavita' bimodale per filtri passa banda in guida d'onda. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5703547A (it) |
EP (1) | EP0687027B1 (it) |
JP (1) | JP2641090B2 (it) |
CA (1) | CA2150657C (it) |
DE (2) | DE69522148T2 (it) |
IT (1) | IT1266852B1 (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1284353B1 (it) * | 1996-01-30 | 1998-05-18 | Cselt Centro Studi Lab Telecom | Cavita' multimodale per filtri in guida d'onda. |
IT1284354B1 (it) | 1996-01-30 | 1998-05-18 | Cselt Centro Studi Lab Telecom | Cavita' multimodale per filtri n guida d'onda. |
FR2755544B1 (fr) * | 1996-11-05 | 1999-01-22 | Centre Nat Etd Spatiales | Dispositif de filtrage a cavite metallique a inserts dielectriques |
IT1319925B1 (it) * | 2000-02-29 | 2003-11-12 | Cselt Centro Studi Lab Telecom | Polarizzazione in guida d'onda. |
KR100428073B1 (ko) * | 2002-03-18 | 2004-04-28 | 학교법인연세대학교 | 고차모드를 이용한 광동조 마이크로웨이브 필터 |
KR100476382B1 (ko) * | 2002-06-11 | 2005-03-16 | 한국전자통신연구원 | 더미 공동을 이용한 공동필터의 동조 방법 |
RU2626726C1 (ru) * | 2016-07-12 | 2017-07-31 | Акционерное общество "Концерн воздушно-космической обороны "Алмаз-Антей"(АО "Концерн ВКО "Алмаз-Антей") | Компактная 90-градусная скрутка в прямоугольном волноводе |
CN107546447B (zh) * | 2017-07-31 | 2020-09-22 | 南京邮电大学 | 一种多模腔体折叠滤波器 |
CN108110386B (zh) * | 2017-09-27 | 2019-12-13 | 波达通信设备(广州)有限公司 | 双向输出波导双工器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3235822A (en) * | 1963-05-06 | 1966-02-15 | Bell Telephone Labor Inc | Direct-coupled step-twist junction waveguide filter |
US3697898A (en) * | 1970-05-08 | 1972-10-10 | Communications Satellite Corp | Plural cavity bandpass waveguide filter |
DE2845050A1 (de) * | 1978-10-16 | 1980-04-24 | Com Dev Ltd | Wellenleiter-bandpassfilter |
EP0112328B1 (fr) | 1982-06-11 | 1987-11-19 | Agence Spatiale Europeenne | Strucutre de filtre a micro-ondes |
CA1153432A (en) * | 1982-08-25 | 1983-09-06 | James B. Dorey | Bandpass filter with plurality of wave-guide cavities |
JPS60174501A (ja) * | 1984-02-20 | 1985-09-07 | Nec Corp | 帯域通過濾波器 |
JPS62169501A (ja) * | 1986-01-22 | 1987-07-25 | Nec Corp | 多段帯域通過ろ波器 |
CA1218122A (en) * | 1986-02-21 | 1987-02-17 | David Siu | Quadruple mode filter |
US5012211A (en) * | 1987-09-02 | 1991-04-30 | Hughes Aircraft Company | Low-loss wide-band microwave filter |
US5268659A (en) * | 1991-04-29 | 1993-12-07 | University Of Maryland | Coupling for dual-mode resonators and waveguide filter |
US5349316A (en) * | 1993-04-08 | 1994-09-20 | Itt Corporation | Dual bandpass microwave filter |
-
1994
- 1994-06-08 IT IT94TO000473A patent/IT1266852B1/it active IP Right Grant
-
1995
- 1995-05-31 CA CA002150657A patent/CA2150657C/en not_active Expired - Lifetime
- 1995-06-08 EP EP95108806A patent/EP0687027B1/en not_active Expired - Lifetime
- 1995-06-08 DE DE69522148T patent/DE69522148T2/de not_active Expired - Lifetime
- 1995-06-08 DE DE0687027T patent/DE687027T1/de active Pending
- 1995-06-08 JP JP7166804A patent/JP2641090B2/ja not_active Expired - Lifetime
-
1997
- 1997-02-11 US US08/798,645 patent/US5703547A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2150657A1 (en) | 1995-12-09 |
EP0687027B1 (en) | 2001-08-16 |
JPH08102602A (ja) | 1996-04-16 |
DE687027T1 (de) | 1997-07-17 |
JP2641090B2 (ja) | 1997-08-13 |
ITTO940473A1 (it) | 1995-12-08 |
ITTO940473A0 (it) | 1994-06-08 |
DE69522148D1 (de) | 2001-09-20 |
US5703547A (en) | 1997-12-30 |
EP0687027A3 (en) | 1997-03-12 |
EP0687027A2 (en) | 1995-12-13 |
CA2150657C (en) | 1999-03-30 |
DE69522148T2 (de) | 2002-05-02 |
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Legal Events
Date | Code | Title | Description |
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0001 | Granted |