(19)

(11)

EP 1 252 600 A1

(12)

(43) Date of publication: 30.10.2002 Bulletin 2002/44 (21) Application number: 00917672.8 (22) Date of filing: 25.02.2000

(51) International Patent Classification (IPC)7: G06K 9/00 (86) International application number: PCT/US0004/906 (87) International publication number: WO 0005/1064 (31.08.2000 Gazette 2000/35)

(84) Designated Contracting States: DE FR GB (30) Priority: 26.02.1999 US 528056 (71) Applicant: Bomarc Surveillance, Inc Dallas, TX 75219-3692 (US)	(72) Inventor: The designation of the inventor has not yet been filed  () (74) Representative: Volmer, Johannes Cornelis  Exter Polak & Charlouis B.V.,P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)