EP1172881A3 - Filtre à micro-ondes - Google Patents

Filtre à micro-ondes Download PDF

Info

Publication number
EP1172881A3
EP1172881A3 EP01305922A EP01305922A EP1172881A3 EP 1172881 A3 EP1172881 A3 EP 1172881A3 EP 01305922 A EP01305922 A EP 01305922A EP 01305922 A EP01305922 A EP 01305922A EP 1172881 A3 EP1172881 A3 EP 1172881A3
Authority
EP
European Patent Office
Prior art keywords
microwave filter
apertures
coupling region
similar arrangement
couplers
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.)
Granted
Application number
EP01305922A
Other languages
German (de)
English (en)
Other versions
EP1172881A2 (fr
EP1172881B1 (fr
Inventor
Uwe Rosenberg
Konstantin Beis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson AB
Original Assignee
Marconi Communications GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marconi Communications GmbH filed Critical Marconi Communications GmbH
Publication of EP1172881A2 publication Critical patent/EP1172881A2/fr
Publication of EP1172881A3 publication Critical patent/EP1172881A3/fr
Application granted granted Critical
Publication of EP1172881B1 publication Critical patent/EP1172881B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
EP01305922A 2000-07-11 2001-07-10 Filtre à micro-ondes Expired - Lifetime EP1172881B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10033683A DE10033683A1 (de) 2000-07-11 2000-07-11 Mikrowellenfilter
DE10033683 2000-07-11

Publications (3)

Publication Number Publication Date
EP1172881A2 EP1172881A2 (fr) 2002-01-16
EP1172881A3 true EP1172881A3 (fr) 2002-08-07
EP1172881B1 EP1172881B1 (fr) 2008-10-15

Family

ID=7648556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01305922A Expired - Lifetime EP1172881B1 (fr) 2000-07-11 2001-07-10 Filtre à micro-ondes

Country Status (4)

Country Link
EP (1) EP1172881B1 (fr)
AT (1) ATE411628T1 (fr)
DE (2) DE10033683A1 (fr)
NO (1) NO20013430L (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749523A (en) * 1951-12-01 1956-06-05 Itt Band pass filters
US5268659A (en) * 1991-04-29 1993-12-07 University Of Maryland Coupling for dual-mode resonators and waveguide filter
FR2749107A1 (fr) * 1996-05-22 1997-11-28 Europ Agence Spatiale Filtre bimode a guide d'ondes circulaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749523A (en) * 1951-12-01 1956-06-05 Itt Band pass filters
US5268659A (en) * 1991-04-29 1993-12-07 University Of Maryland Coupling for dual-mode resonators and waveguide filter
FR2749107A1 (fr) * 1996-05-22 1997-11-28 Europ Agence Spatiale Filtre bimode a guide d'ondes circulaire

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HSIN-CHIN CHANG ET AL: "EVANESCENT-MODE COUPLING OF DUAL-MODE RECTANGULAR WAVEGUIDE FILTERS", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, IEEE INC. NEW YORK, US, vol. 39, no. 8, 1 August 1991 (1991-08-01), pages 1307 - 1312, XP000209428, ISSN: 0018-9480 *

Also Published As

Publication number Publication date
NO20013430L (no) 2002-01-14
DE10033683A1 (de) 2002-02-07
EP1172881A2 (fr) 2002-01-16
DE50114413D1 (de) 2008-11-27
EP1172881B1 (fr) 2008-10-15
NO20013430D0 (no) 2001-07-10
ATE411628T1 (de) 2008-10-15

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