(19)
(11) EP 0 912 902 A1

(12)

(43) Date of publication:
06.05.1999 Bulletin 1999/18

(21) Application number: 97933123.0

(22) Date of filing: 15.07.1997
(51) International Patent Classification (IPC): 
G01R 15/ 06( . )
G01R 15/ 16( . )
(86) International application number:
PCT/SE1997/001289
(87) International publication number:
WO 1998/005974 (12.02.1998 Gazette 1998/06)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI MC NL PT SE

(30) Priority: 15.07.1996 SE 19960002785

(71) Applicant: ASEA BROWN BOVERI AB
721 83 Västeras (SE)

(72) Inventors:
  • LEIJON, Mats
    S-723 35 Västeras (SE)
  • LUNDMARK, Maria
    S-722 24 Västeras (SE)
  • EKBERG, Mats
    S-722 14 Västeras (SE)
  • WALFRIDSSON, Lars
    S-723 50 Västeras (SE)
  • DAHLBERG, Lars, Gunnar
    S-722 45 Västeras (SE)
  • KALLDIN, Hans-Olov
    S-723 46 Västeras (SE)
  • HOLMBORN, H kan
    S-771 43 Ludvika (SE)
  • SYREN, Jan
    S-771 42 Ludvika (SE)

   


(54) METHOD, DEVICE AND SENSOR FOR CAPACITIVE DETECTING OF FIELD AND VOLTAGE AND USE THEREOF