(19)

(11)

EP 1 228 436 A1

(12)

(43) Date of publication: 07.08.2002 Bulletin 2002/32 (21) Application number: 00980330.5 (22) Date of filing: 08.11.2000

(51) International Patent Classification (IPC)7: G06F 13/00 (86) International application number: PCT/US0030/926 (87) International publication number: WO 0135/232 (17.05.2001 Gazette 2001/20)

(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: 10.11.1999 US 164784 P 25.07.2000 US 624743 (71) Applicant: Sony Electronics Inc. Park Ridge,New Jersey 07656 (US)	(72) Inventor: DURUOZ, Ibrahim, C. San Francisco, CA 94122 (US) (74) Representative: DeVile, Jonathan Mark, Dr.  D. Young & Co21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)