EP 1014472 B1 20040407 - Directional coupler
Title (en)
Directional coupler
Title (de)
Richtkoppler
Title (fr)
Coupleur directionnel
Publication
Application
Priority
DE 19858470 A 19981217
Abstract (en)
[origin: EP1014472A1] The coupler includes loosely coupled sections (1,3) in microstrip line on one side of a printed circuit board and tightly coupled sections (2) between microstrip lines on opposite sides of the board with through connections (11).
IPC 1-7
IPC 8 full level
H01P 5/18 (2006.01)
CPC (source: EP)
H01P 5/185 (2013.01); H01P 5/187 (2013.01)
Designated contracting state (EPC)
DE FR IT
DOCDB simple family (publication)
DE 19858470 A1 20000621; DE 59909108 D1 20040513; EP 1014472 A1 20000628; EP 1014472 B1 20040407
DOCDB simple family (application)
DE 19858470 A 19981217; DE 59909108 T 19991125; EP 99123509 A 19991125