(19)

(11)

EP 0 692 175 A1

(12)

(43) Date of publication: 17.01.1996 Bulletin 1996/03 (21) Application number: 94926885.0 (22) Date of filing: 25.08.1994

(51) International Patent Classification (IPC):  H04W 88/ 06( . ) (86) International application number: PCT/EP1994/002816 (87) International publication number: WO 1995/010921 (20.04.1995 Gazette 1995/17)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 12.10.1993 GB 19930020957 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventors: VAN DEN HEUVEL, Anthony, Patrick Gunners Woods Windlesham Surrey GU20 6HZ (GB) ADEY, Mark, Edward Winchester SO22 5DT (GB) (74) Representative: Dunlop, Hugh Christopher, et al  Motorola, European Intellectual Property, Midpoint, Alencon Link Basingstoke, Hampshire RG21 7PL Basingstoke, Hampshire RG21 7PL (GB)