(19)

(11)

EP 0 914 733 A1

(12)

(43) Date of publication: 12.05.1999 Bulletin 1999/19 (21) Application number: 97934547.0 (22) Date of filing: 25.07.1997

(51) International Patent Classification (IPC):  H04L 9/ 06( . ) (86) International application number: PCT/EP1997/004062 (87) International publication number: WO 1998/005142 (05.02.1998 Gazette 1998/05)

(84) Designated Contracting States: AT DE GB (30) Priority: 26.07.1996 DE 19961030354 14.02.1997 EP 19970102436 (71) Applicant: Schnoor, Ernst Erich 81545 München (DE)	(72) Inventor: Schnoor, Ernst Erich 81545 München (DE) (74) Representative: Leonhard, Frank Reimund, Dipl.-Ing., et al  Leonhard - Olgemöller - Fricke Patentanwälte Josephspitalstrasse 7 80331 München 80331 München (DE)