(19)

(11)

EP 2 417 766 A1

(12)

(43) Date of publication: 15.02.2012 Bulletin 2012/07 (21) Application number: 10727998.6 (22) Date of filing: 25.03.2010

(51) International Patent Classification (IPC):  H04N 7/173(2011.01) H04N 7/24(2011.01) H04N 7/18(2006.01) H04N 7/26(2006.01) (86) International application number: PCT/US2010/028564 (87) International publication number: WO 2010/117644 (14.10.2010 Gazette 2010/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 06.04.2009 GB 0905977 (71) Applicant: Motorola Solutions, Inc. Schaumburg IL 60196 (US)	(72) Inventors: EDWARDS, Mark Tilehurst Reading Berkshire RG30 4RU (GB) DYSON, Dean, S. Basingstoke Hampshire RG24 8XF (GB) (74) Representative: McLeish, Nicholas Alistair Maxwell  Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)