(19)

(11)

EP 1 392 406 A1

(12)

(43) Date of publication: 03.03.2004 Bulletin 2004/10 (21) Application number: 02734607.1 (22) Date of filing: 31.05.2002

(51) International Patent Classification (IPC)7: A63B 23/02 (86) International application number: PCT/US2002/017113 (87) International publication number: WO 2002/098517 (12.12.2002 Gazette 2002/50)

(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: 01.06.2001 EP 01650069 26.06.2001 US 301392 P 19.10.2001 IE 010923 22.10.2001 US 330423 P (71) Applicant: BackProject LLC Sunnyvale, CA 94087 (US)	(72) Inventor: HOFFMAN, Jonathan Sunnyvale, CA 94087 (US) (74) Representative: Bayliss, Geoffrey Cyril et al BOULT WADE TENNANT,Verulam Gardens70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)