(19)

(11)

EP 0 954 790 A1

(12)

(43) Date of publication: 10.11.1999 Bulletin 1999/45 (21) Application number: 96945056.0 (22) Date of filing: 19.12.1996

(51) International Patent Classification (IPC):  G06F 12/ 14( . ) (86) International application number: PCT/US1996/020667 (87) International publication number: WO 1997/022937 (26.06.1997 Gazette 1997/27)

(84) Designated Contracting States: FR GB IE NL (30) Priority: 20.12.1995 US 19950575189 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventors: SOMMERS, Daniel, Ray Austin, TX 78749 (US) LEE, Jin, Woo Elgin, IL 60102 (US) MATHIS, James, Earl Barrington, IL 60010 (US) (74) Representative: Williamson, Simeon, et al  Motorola European Intellectual Property Operations Midpoint Alencon Link Basingstoke, Hampshire RG21 7PL Basingstoke, Hampshire RG21 7PL (GB)