(19)

(11)

EP 0 697 963 A1

(12)

(43) Date of publication: 28.02.1996 Bulletin 1996/09 (21) Application number: 94915124.0 (22) Date of filing: 26.04.1994

(51) International Patent Classification (IPC):  G10D 1/ 00( . ) (86) International application number: PCT/EP1994/001312 (87) International publication number: WO 1994/025275 (10.11.1994 Gazette 1994/25)

(84) Designated Contracting States: AT CH DE ES FR GB IT LI (30) Priority: 28.04.1993 DE 19934313851 (71) Applicants: HARTMANN, Harry D-70180 Stuttgart (DE) HAHN, Dieter D-70197 Stuttgart (DE)	(72) Inventors: HARTMANN, Harry D-70180 Stuttgart (DE) HAHN, Dieter D-70197 Stuttgart (DE) (74) Representative: Gleiss, Alf-Olav, Dr.jur. Dipl.-Ing.  Gleiss & Grosse Patentanwaltskanzlei Maybachstrasse 6A D-70469 Stuttgart D-70469 Stuttgart (DE)