EP 1087458 A3 20020807 - Bandpass filter
Title (en)
Bandpass filter
Title (de)
Bandpassfilter
Title (fr)
Filtre passe-bande
Publication
Application
Priority
DE 19944673 A 19990917
Abstract (en)
[origin: EP1087458A2] Adjacent resonators (A,B) each have a partition (1,2) with one or more connecting holes and are separated from each other by an intermediate space (Z) between the partitions. This space is bridged by a connecting sleeve (3) linking up the connecting holes.
IPC 1-7
IPC 8 full level
H01P 1/208 (2006.01); H01P 1/30 (2006.01)
CPC (source: EP)
H01P 1/208 (2013.01); H01P 1/30 (2013.01)
Citation (search report)
- [A] US 4260967 A 19810407 - FLIEGER HOWARD W
- [A] US 5268659 A 19931207 - ZAKI KAWTHAR A [US], et al
- [A] DE 3617203 A1 19871126 - KATHREIN WERKE KG [DE]
- [A] EP 0359336 A2 19900321 - PHILIPS PATENTVERWALTUNG [DE], et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 1996, no. 03 29 March 1996 (1996-03-29)
- [A] TSUJI M ET AL: "A NOVEL TRAP MECHANISM IN COAXIAL-COUPLED WAVEGUIDE FILTERS", ELECTRONICS & COMMUNICATIONS IN JAPAN, PART II - ELECTRONICS, SCRIPTA TECHNICA. NEW YORK, US, vol. 80, no. 8, 1 August 1997 (1997-08-01), pages 53 - 61, XP000782955, ISSN: 8756-663X
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 00120011 A 20000914