EP 0921587 B1 20030903 - Microwave filter with a steep upper edge
Title (en)
Microwave filter with a steep upper edge
Title (de)
Mikrowellenfilter mit steiler Oberflanke
Title (fr)
Filtre hyperfréquence à flanc superieur raide
Publication
Application
Priority
FR 9715228 A 19971203
Abstract (en)
[origin: EP0921587A1] The wave-guide length of the coupled wave-guide sections is eight times the wavelength near to the cut off frequency.
IPC 1-7
IPC 8 full level
H01P 1/209 (2006.01)
CPC (source: EP)
H01P 1/209 (2013.01)
Designated contracting state (EPC)
DE GB IT
DOCDB simple family (publication)
EP 0921587 A1 19990609; EP 0921587 B1 20030903; DE 69817744 D1 20031009; DE 69817744 T2 20040715; FR 2771857 A1 19990604; FR 2771857 B1 20000218
DOCDB simple family (application)
EP 98402978 A 19981127; DE 69817744 T 19981127; FR 9715228 A 19971203