(19)

(11)

EP 1 315 598 A2

(12)

(88) Date of publication A3: 16.05.2002 (43) Date of publication: 04.06.2003 Bulletin 2003/23 (21) Application number: 01956736.1 (22) Date of filing: 27.08.2001

(51) International Patent Classification (IPC)7: B24B 37/04, B24B 49/12 (86) International application number: PCT/IB0101/532 (87) International publication number: WO 0201/8100 (07.03.2002 Gazette 2002/10)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 31.08.2000 US 652898 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventor: HAGGART, David Scottsdale, AZ 85251 (US) (74) Representative: Gibson, Sarah Jane  MotorolaEuropean Intellectual Property OperationsMidpointAlencon Link Basingstoke,Hampshire RG21 7PL Basingstoke,Hampshire RG21 7PL (GB)