(19)

(11)

EP 2 813 085 A1

(12)

(43) Date of publication: 17.12.2014 Bulletin 2014/51 (21) Application number: 13709592.3 (22) Date of filing: 08.02.2013

(51) International Patent Classification (IPC):  H04N 21/262(2011.01) H04N 21/422(2011.01) H04H 20/10(2008.01) H04N 21/488(2011.01) (86) International application number: PCT/PT2013/000007 (87) International publication number: WO 2013/119133 (15.08.2013 Gazette 2013/33)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 09.02.2012 PT 2012106140 (71) Applicant: PT INOVACÃO E SISTEMAS, S.A. 3810-106 Aveiro (PT)	(72) Inventor: BATISTA MARTINHO, Celso Manuel 1990-383 Lisboa (PT) (74) Representative: Arnaut, José Luis et al Rui Pena Arnaut & Associados Rua Sousa Martins, 10 1050-218 Lisboa 1050-218 Lisboa (PT)