EP 2025039 A1 20090218 - Filter with cross shaped stubs
Title (en)
Filter with cross shaped stubs
Title (de)
Filter mit kreuzförmigen Stichleitungen
Title (fr)
Filtre avec stubs à croix
Publication
Application
Priority
- EP 2007055410 W 20070601
- FR 0652011 A 20060602
Abstract (en)
[origin: CA2654044A1] The invention concerns a method for making a microwave waveguide includin g: a step of determining the zone(s) (zl) of the guide (gl) where there is a n electric field concentration, and a step of forming at least one enlargeme nt (ell) of the waveguide in the zone(s) thus determined. The invention also concerns a microwave filter in which the stubs are provided with such enlar gements. The invention is suitable for use in microwave filters.
IPC 8 full level
H01P 1/209 (2006.01); H01P 3/123 (2006.01)
CPC (source: EP US)
H01P 1/209 (2013.01 - EP US); H01P 3/123 (2013.01 - EP US); Y10T 29/49016 (2015.01 - EP US)
Citation (search report)
See references of WO 2007141213A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
FR 2901918 A1 20071207; FR 2901918 B1 20081205; AT E480019 T1 20100915; CA 2654044 A1 20071213; CA 2654044 C 20141209; CN 101485041 A 20090715; CN 101485041 B 20120808; DE 602007008886 D1 20101014; EP 2025039 A1 20090218; EP 2025039 B1 20100901; ES 2349165 T3 20101228; JP 2009539291 A 20091112; JP 5076223 B2 20121121; US 2009237184 A1 20090924; US 8022788 B2 20110920; WO 2007141213 A1 20071213
DOCDB simple family (application)
FR 0652011 A 20060602; AT 07729806 T 20070601; CA 2654044 A 20070601; CN 200780025167 A 20070601; DE 602007008886 T 20070601; EP 07729806 A 20070601; EP 2007055410 W 20070601; ES 07729806 T 20070601; JP 2009512615 A 20070601; US 30304907 A 20070601