(19)
(11) EP 1 934 619 A1

(12)

(43) Date of publication:
25.06.2008 Bulletin 2008/26

(21) Application number: 05799475.8

(22) Date of filing: 14.10.2005
(51) International Patent Classification (IPC): 
G01R 29/08(2006.01)
 G01W 1/16(2006.01)
(86) International application number:
PCT/FI2005/000445
(87) International publication number:
WO 2007/042600 (19.04.2007 Gazette 2007/16)
(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 LV MC NL PL PT RO SE SI SK TR

(71) Applicant: Nokia Corporation
02150 Espoo (FI)

(72) Inventors:
  • JANTUNEN, Joni
    00500 Helsinki (FI)
  • MÄKELÄ, Jakke
    20540 Turku (FI)
  • KAIKURANTA, Terho
    20760 Piispanristi (FI)
  • REUNAMÄKI, Jukka
    FI-33720 Tampere (FI)
  • AHOLA, Tom
    FI-00180 Helsinki (FI)
  • UUSITALO, Arttu
    FI-36110 Ruutana (FI)
  • KALLIOJÄRVI, Kari
    FI-36200 Kangasala (FI)

(74) Representative: Järveläinen, Pertti Tauno Juhani et al
Heinänen Oy Annankatu 31-33 C
00100 Helsinki
00100 Helsinki (FI)

   


(54) DETECTION OF LIGHTNING