EP 1540768 A1 20050615 - 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: FR2844923A1] The wide band helix antenna has helices forming radiating strips (31). Each radiating strip has an associated parasitic strip (34) and having a width equal to or lower than the radiating strip, producing an increased antenna pass band.
IPC 1-7
IPC 8 full level
H01Q 1/36 (2006.01); H01Q 1/38 (2006.01); H01Q 5/00 (2006.01); H01Q 11/08 (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