(19)

(11)

EP 1 110 168 A1

(12)

(43) Date of publication: 27.06.2001 Bulletin 2001/26 (21) Application number: 00942212.2 (22) Date of filing: 06.07.2000

(51) International Patent Classification (IPC)7: G06K 9/00, G06K 9/66 (86) International application number: PCT/GB0002/424 (87) International publication number: WO 0104/826 (18.01.2001 Gazette 2001/03)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 07.07.1999 GB 9915788 18.09.1999 GB 9922008 (71) Applicant: Renishaw plc Wotton-Under-EdgeGloucestershire GL12 8JR (GB)	(72) Inventors: Rughooputh, Soonil Dutt Dharam, Vir Reduit (MU) Rughooputh, Harry Coomar Shumsher Reduit (MU) (74) Representative: Jackson, John Timothy et al Renishaw plcPatent DepartmentNew Mills Wotton-under-EdgeGloucestershire GL12 8JR Wotton-under-EdgeGloucestershire GL12 8JR (GB)