(19)

(11)

EP 0 729 614 A1

(12)

(43) Date of publication: 04.09.1996 Bulletin 1996/36 (21) Application number: 95900104.0 (22) Date of filing: 31.10.1994

(51) International Patent Classification (IPC):  G06F 21/ 00( . ) G06F 12/ 14( . ) (86) International application number: PCT/EP1994/003593 (87) International publication number: WO 1995/012852 (11.05.1995 Gazette 1995/20)

(84) Designated Contracting States: BE DE FR GB IT NL (30) Priority: 02.11.1993 NL 19930001880 (71) Applicants: Hertzberger, Robert Eric NL-1054 MT Amsterdam (NL) Kröner, David Otto NL-1011 CA Amsterdam (NL)	(72) Inventors: Hertzberger, Robert Eric NL-1054 MT Amsterdam (NL) Kröner, David Otto NL-1011 CA Amsterdam (NL) (74) Representative: Hooiveld, Arjen Jan Winfried, et al  Trenité van Doorne De Lairessestraat 133 Postbus 75265 1070 AG Amsterdam 1070 AG Amsterdam (NL)