(19)

(11)

EP 0 970 590 A1

(12)

(43) Date of publication: 12.01.2000 Bulletin 2000/02 (21) Application number: 99904121.3 (22) Date of filing: 19.01.1999

(51) International Patent Classification (IPC)7: H04N 13/04, G02B 27/22 (86) International application number: PCT/US9901/018 (87) International publication number: WO 9938/335 (29.07.1999 Gazette 1999/30)

(84) Designated Contracting States: BE FR GB IT (30) Priority: 26.01.1998 US 13115 (71) Applicant: Raytheon Company El Segundo,California 90245-0902 (US)	(72) Inventors: FREEMAN, Jerry, E. Irvine, CA 92714 (US) GOLD, Ronald, S. Fullerton, CA 92631 (US) (74) Representative: Jackson, Richard Eric  Carpmaels & Ransford,43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)