EP 1540768 B1 20080116 - BROADBAND HELICAL ANTENNA
Title (en)
BROADBAND HELICAL ANTENNA
Title (de)
HELIXFÖRMIGE BREITBANDANTENNE
Title (fr)
ANTENNE HELICOIDALE A LARGE BANDE
Publication
Application
Priority
- FR 0302774 W 20030919
- FR 0211696 A 20020920
Abstract (en)
[origin: WO2004027930A1] The invention relates to a helical antenna comprising at least one helix which is formed by at least two radiating wires (31). According to the invention, at least one of said radiating wires is associated with a parasitic wire (34) having a width which is less than or equal to the radiating wire(s), such as to broaden the bandwidth of the antenna.
IPC 8 full level
H01Q 11/08 (2006.01); H01Q 1/36 (2006.01); H01Q 1/38 (2006.01); H01Q 5/00 (2006.01)
CPC (source: EP US)
H01Q 1/362 (2013.01 - EP US); H01Q 1/38 (2013.01 - EP US); H01Q 11/08 (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 2004027930 A1 20040401; AT E384346 T1 20080215; AU 2003298989 A1 20040408; DE 60318725 D1 20080306; DE 60318725 T2 20090102; EP 1540768 A1 20050615; EP 1540768 B1 20080116; FR 2844923 A1 20040326; FR 2844923 B1 20060616; US 2006125712 A1 20060615; US 7525508 B2 20090428
DOCDB simple family (application)
FR 0302774 W 20030919; AT 03797356 T 20030919; AU 2003298989 A 20030919; DE 60318725 T 20030919; EP 03797356 A 20030919; FR 0211696 A 20020920; US 52851603 A 20030919