(19)
(11) EP 0 256 005 A1

(12)

(43) Date of publication:
24.02.1988 Bulletin 1988/08

(21) Application number: 86901540.0

(22) Date of filing: 31.01.1986
(51) International Patent Classification (IPC): 
H05B 41/ 24( . )
 H05B 41/ 28( . )
(86) International application number:
PCT/SE1986/000039
(87) International publication number:
WO 1987/004891 (13.08.1987 Gazette 1987/18)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(71) Applicant: INNOCAP AKTIEBOLAG
S-104 82 Stockholm (SE)

(72) Inventor:
  • LINNMAN, Sven, Nils, Johannes
    S-184 00 Akersberga (SE)

   


(54) AN ELECTRICAL PRESWITCHING DEVICE FOR FLUORESCENT TUBES WHICH PROVIDES A DISTORTION FREE LOAD OF THE NET