(19)

(11)

EP 0 559 823 A1

(12)

(43) Date of publication: 15.09.1993 Bulletin 1993/37 (21) Application number: 92902755.0 (22) Date of filing: 26.11.1991

(51) International Patent Classification (IPC):  G06T 15/ 00( . ) G06T 17/ 40( . ) G06T 17/ 00( . ) (86) International application number: PCT/US1991/008919 (87) International publication number: WO 1992/009967 (11.06.1992 Gazette 1992/13)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 27.11.1990 US 19900618813 (71) Applicant: PARASPECTIVES, INC. Annapolis, MD 41404 (US)	(72) Inventor: SIMPSON, Thomas, K. Annapolis, MD 41404 (US) (74) Representative: VOSSIUS & PARTNER  Postfach 86 07 67 D-81634 München D-81634 München (DE)