(19)
(11) EP 1 833 116 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.12.2011 Bulletin 2011/52

(43) Date of publication A2:
12.09.2007 Bulletin 2007/37

(21) Application number: 07075467.6

(22) Date of filing: 24.05.2005
(51) International Patent Classification (IPC): 
H01Q 11/08(2006.01)
H01Q 1/36(2006.01)
(84) Designated Contracting States:
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

(30) Priority: 26.05.2004 US 574520 P
30.11.2004 US 999385

(62) Application number of the earlier application in accordance with Art. 76 EPC:
05076197.2 / 1601050

(71) Applicant: Delphi Technologies, Inc.
Troy, Michigan 48007 (US)

(72) Inventors:
  • Yegin, Korkut c/o Yeditepe University
    Kayisadgi Istanbul 34755 (TR)
  • Morris, Daniel G.
    Ovid, MI 48866 (US)
  • Livengood, William R.
    Grand Blanc, MI 48439 (US)

(74) Representative: Denton, Michael John et al
Delphi France SAS 64 Avenue de la Plaine de France ZAC Paris Nord II B.P. 65059, Tremblay en France
95972 Roissy Charles de Gaulle Cedex
95972 Roissy Charles de Gaulle Cedex (FR)

   


(54) Quadrifilar helical antenna


(57) 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).







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