(19)

(11)

EP 1 095 516 A1

(12)

(43) Date of publication: 02.05.2001 Bulletin 2001/18 (21) Application number: 99952140.4 (22) Date of filing: 17.05.1999

(51) International Patent Classification (IPC)7: H04N 7/00, G01C 3/08, G02B 5/30 (86) International application number: PCT/US9911/093 (87) International publication number: WO 9960/787 (25.11.1999 Gazette 1999/47)

(84) Designated Contracting States: FR GB (30) Priority: 18.05.1998 US 80437 (71) Applicant: LITTON SYSTEMS, INC. Woodland Hills, California 91367 (US)	(72) Inventor: PORTER, Jerry Dallas, TX 75218 (US) (74) Representative: Hoffmann, Jörg Peter, Dr. Ing. et al Müller & HoffmannPatentanwälteInnere Wiener Strasse 17 81667 München 81667 München (DE)