IT1284354B1 - Cavita' multimodale per filtri n guida d'onda. - Google Patents
Cavita' multimodale per filtri n guida d'onda.Info
- Publication number
- IT1284354B1 IT1284354B1 IT96TO000057A ITTO960057A IT1284354B1 IT 1284354 B1 IT1284354 B1 IT 1284354B1 IT 96TO000057 A IT96TO000057 A IT 96TO000057A IT TO960057 A ITTO960057 A IT TO960057A IT 1284354 B1 IT1284354 B1 IT 1284354B1
- Authority
- IT
- Italy
- Prior art keywords
- wave guide
- guide filters
- multimodal
- cavity
- multimodal cavity
- 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 |
---|---|---|---|
IT96TO000057A IT1284354B1 (it) | 1996-01-30 | 1996-01-30 | Cavita' multimodale per filtri n guida d'onda. |
US08/777,163 US5821837A (en) | 1996-01-30 | 1996-12-26 | Multi-mode cavity for waveguide filters |
CA002196258A CA2196258C (en) | 1996-01-30 | 1997-01-29 | Multi-mode cavity for waveguide filters |
EP97101340A EP0788180B1 (en) | 1996-01-30 | 1997-01-29 | Multi-mode cavity for waveguide filters |
DE69724303T DE69724303T2 (de) | 1996-01-30 | 1997-01-29 | Multimode-Hohlraum für Hohlleiterfilter |
DE0788180T DE788180T1 (de) | 1996-01-30 | 1997-01-29 | Multimode-Hohlraum für Hohlleiterfilter |
JP9029825A JP2808442B2 (ja) | 1996-01-30 | 1997-01-30 | 導波管フィルター用多モード空洞共振器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT96TO000057A IT1284354B1 (it) | 1996-01-30 | 1996-01-30 | Cavita' multimodale per filtri n guida d'onda. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO960057A0 ITTO960057A0 (it) | 1996-01-30 |
ITTO960057A1 ITTO960057A1 (it) | 1997-07-30 |
IT1284354B1 true IT1284354B1 (it) | 1998-05-18 |
Family
ID=11414180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT96TO000057A IT1284354B1 (it) | 1996-01-30 | 1996-01-30 | Cavita' multimodale per filtri n guida d'onda. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5821837A (it) |
EP (1) | EP0788180B1 (it) |
JP (1) | JP2808442B2 (it) |
CA (1) | CA2196258C (it) |
DE (2) | DE69724303T2 (it) |
IT (1) | IT1284354B1 (it) |
Families Citing this family (11)
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. |
CA2206966C (en) * | 1997-06-03 | 1999-08-03 | Com Dev Limited | Circular waveguide cavity and filter having an iris with an eccentric circular aperture and a method of construction thereof |
US7068127B2 (en) * | 2001-11-14 | 2006-06-27 | Radio Frequency Systems | Tunable triple-mode mono-block filter assembly |
US7042314B2 (en) * | 2001-11-14 | 2006-05-09 | Radio Frequency Systems | Dielectric mono-block triple-mode microwave delay filter |
FR2832860B1 (fr) * | 2001-11-26 | 2006-03-03 | Cit Alcatel | Filtre hyperfrequence quadri-modes en guide d'ondes sans reglage et possedant des zeros de transmission |
US6954122B2 (en) * | 2003-12-16 | 2005-10-11 | Radio Frequency Systems, Inc. | Hybrid triple-mode ceramic/metallic coaxial filter assembly |
US9406988B2 (en) | 2011-08-23 | 2016-08-02 | Mesaplexx Pty Ltd | Multi-mode filter |
US20130049901A1 (en) | 2011-08-23 | 2013-02-28 | Mesaplexx Pty Ltd | Multi-mode filter |
US20140097913A1 (en) | 2012-10-09 | 2014-04-10 | Mesaplexx Pty Ltd | Multi-mode filter |
US9325046B2 (en) | 2012-10-25 | 2016-04-26 | Mesaplexx Pty Ltd | Multi-mode filter |
CN106356600B (zh) * | 2015-07-15 | 2019-01-29 | 上海贝尔股份有限公司 | 信号传输装置 |
Family Cites Families (10)
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 |
CA1050127A (en) * | 1976-04-13 | 1979-03-06 | Steve Kallianteris | Low insertion loss waveguide filter |
CA1153432A (en) * | 1982-08-25 | 1983-09-06 | James B. Dorey | Bandpass filter with plurality of wave-guide cavities |
US4630009A (en) * | 1984-01-24 | 1986-12-16 | Com Dev Ltd. | Cascade waveguide triple-mode filters useable as a group delay equalizer |
JPS60174501A (ja) * | 1984-02-20 | 1985-09-07 | Nec Corp | 帯域通過濾波器 |
DE3621299A1 (de) * | 1986-06-25 | 1988-01-07 | Ant Nachrichtentech | Mikrowellenfilter |
DE4116755C2 (de) * | 1991-05-23 | 1996-03-14 | Ant Nachrichtentech | Mikrowellenfilter |
IT1266852B1 (it) * | 1994-06-08 | 1997-01-21 | Cselt Centro Studi Lab Telecom | Cavita' bimodale per filtri passa banda in guida d'onda. |
IT1284353B1 (it) * | 1996-01-30 | 1998-05-18 | Cselt Centro Studi Lab Telecom | Cavita' multimodale per filtri in guida d'onda. |
-
1996
- 1996-01-30 IT IT96TO000057A patent/IT1284354B1/it active IP Right Grant
- 1996-12-26 US US08/777,163 patent/US5821837A/en not_active Expired - Lifetime
-
1997
- 1997-01-29 DE DE69724303T patent/DE69724303T2/de not_active Expired - Lifetime
- 1997-01-29 DE DE0788180T patent/DE788180T1/de active Pending
- 1997-01-29 CA CA002196258A patent/CA2196258C/en not_active Expired - Lifetime
- 1997-01-29 EP EP97101340A patent/EP0788180B1/en not_active Expired - Lifetime
- 1997-01-30 JP JP9029825A patent/JP2808442B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2196258C (en) | 2000-06-13 |
EP0788180B1 (en) | 2003-08-27 |
CA2196258A1 (en) | 1997-07-31 |
ITTO960057A0 (it) | 1996-01-30 |
DE69724303D1 (de) | 2003-10-02 |
JPH09214207A (ja) | 1997-08-15 |
EP0788180A3 (en) | 1998-06-10 |
US5821837A (en) | 1998-10-13 |
ITTO960057A1 (it) | 1997-07-30 |
EP0788180A2 (en) | 1997-08-06 |
DE69724303T2 (de) | 2004-06-24 |
DE788180T1 (de) | 1999-05-06 |
JP2808442B2 (ja) | 1998-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19990125 |