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EP 1833116 B1 20130717 - Quadrifilar helical antenna

Title (en)

Quadrifilar helical antenna

Title (de)

Wendelantenne mit vier gewendelten Strahlerelementen

Title (fr)

Antenne hélicoïdale quadrifilaire

Publication

EP 1833116 B1 20130717 (EN)

Application

EP 07075467 A 20050524

Priority

EP 05076197 A 20050524
US 57452004 P 20040526
US 99938504 A 20041130

Abstract (en)

[origin: EP1833116A2] An antenna (13) having a plurality of elongated conductors (18) is disclosed. The elongated conductors (18) have a substantially straight portion (26) and a substantially helical portion (28).

IPC 8 full level

H01Q 11/08 (2006.01); H01Q 1/36 (2006.01)

CPC (source: EP)

H01Q 1/362 (2013.01); H01Q 11/08 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1833116 A2 20070912; EP 1833116 A3 20111228; EP 1833116 B1 20130717

DOCDB simple family (application)

EP 07075467 A 20050524