(19)

(11)

EP 1 377 945 A1

(12)

(43) Date of publication: 07.01.2004 Bulletin 2004/02 (21) Application number: 01963894.9 (22) Date of filing: 09.08.2001

(51) International Patent Classification (IPC)7: G08B 13/14 (86) International application number: PCT/US2001/025104 (87) International publication number: WO 2002/075684 (26.09.2002 Gazette 2002/39)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 19.03.2001 US 276961 P (71) Applicant: Escort Memory Systems Scotts Valley, CA 95066 (US)	(72) Inventor: NICHOLSON, Mark, R. Scotts Valley, CA 95066 (US) (74) Representative: Charlton, Peter John  Elkington and FifeProspect House8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)