(19)

(11)

EP 0 878 003 A1

(12)

(43) Date of publication: 18.11.1998 Bulletin 1998/47 (21) Application number: 95931111.0 (22) Date of filing: 20.09.1995

(51) International Patent Classification (IPC):  G11B 7/ 0037( . ) G11B 7/ 007( . ) G11B 7/ 14( . ) G11B 20/ 10( . ) G11B 7/ 005( . ) G11B 7/ 12( . ) G11B 7/ 24( . ) G11B 7/ 00( . ) (86) International application number: PCT/CA1995/000530 (87) International publication number: WO 1996/009624 (28.03.1996 Gazette 1996/14)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 20.09.1994 GB 19940018914 30.11.1994 GB 19940024229 (71) Applicant: PARALIGHT LASER TECHNOLOGIES INC. Toronto Ontario M5R 3H8 (CA)	(72) Inventors: DEWAR, Stephen, W. Toronto, Ontario M5R 3H8 (CA) REGAZZO, Ricardo Toronto, Ontario M6J 3C4 (CA) WILTSHIRE, John, H., D. Toronto, Ontario M6R 1E6 (CA) SMITH, Gregory, L. Toronto, Ontario M6S 4K6 (CA) (74) Representative: Davies, Gregory Mark  Urquhart-Dykes & Lord Alexandra House 1 Alexandra Road Wales Swansea, Wales SA1 5ED Swansea, Wales SA1 5ED (GB)