EP 1407508 A1 20040414 - DIRECTIONAL COUPLER
Title (en)
DIRECTIONAL COUPLER
Title (de)
RICHTKOPPLER
Title (fr)
COUPLEUR DIRECTIONNEL
Publication
Application
Priority
- DE 10228851 A 20020627
- EP 0305931 W 20030605
Abstract (en)
[origin: US6882243B2] An improved directional coupler is distinguished by the following features: an attenuation circuit is adjacent and is connected to each of the two coupling line ends on the coupler substrate, or an attenuation circuit is connected to one coupling line end with a terminating resistor ( 49 ) being connected to the other coupling line end on the coupler substrate, electrical level evaluation is provided on the coupler substrate, and an interface device for connection of possibly unshielded cables is provided on the coupler substrate, or possibly unshielded cables are connected to the level evaluation circuit device or are connected downstream from this on the coupler substrate, via which the RF signals which are obtained via the coupling line piece can be passed on in the form of analog signals.
IPC 1-7
IPC 8 full level
H01P 5/18 (2006.01)
CPC (source: EP US)
H01P 5/183 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004004062 A1 20040108; AT E294453 T1 20050515; AU 2003242635 A1 20040119; AU 2003242635 B2 20070719; BR 0305208 A 20040727; CA 2460153 A1 20040108; CA 2460153 C 20091103; CN 1274057 C 20060906; CN 1554135 A 20041208; CN 2653713 Y 20041103; DE 10228851 A1 20040129; DE 10228851 B4 20050525; DE 50300483 D1 20050602; EP 1407508 A1 20040414; EP 1407508 B1 20050427; US 2004005814 A1 20040108; US 6882243 B2 20050419
DOCDB simple family (application)
EP 0305931 W 20030605; AT 03761455 T 20030605; AU 2003242635 A 20030605; BR 0305208 A 20030605; CA 2460153 A 20030605; CN 03238445 U 20030411; CN 03801004 A 20030605; DE 10228851 A 20020627; DE 50300483 T 20030605; EP 03761455 A 20030605; US 45580203 A 20030606