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(11)

EP 3 314 312 A1

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(43) Date of publication: 02.05.2018 Bulletin 2018/18 (21) Application number: 15751076.9 (22) Date of filing: 29.06.2015

(51) International Patent Classification (IPC):  G02B 5/08(2006.01) G02B 27/01(2006.01) (86) International application number: PCT/IB2015/054880 (87) International publication number: WO 2017/001889 (05.01.2017 Gazette 2017/01)

(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 Designated Validation States: MA (71) Applicants: Bosch Car Multimedia Portugal, S.A. 4705-820 Braga (PT) Universidade do Minho 4704-553 Braga (PT)

(72) Inventors: DO CÉU GRAMAXO OLIVEIRA SAMPAIO, Álvaro Miguel P-4800-058 Guimarães (PT) VILELA PONTES, António José P-4800-058 Guimarães (PT) FERREIRA PINTO, Nuno Antonino P-4705-820 Braga (PT) AZEVEDO GONÇALVES, José António P-4705-820 Braga (PT) QUEIRÓS PAIS, Vítor Manuel P-4705-820 Braga (PT) (74) Representative: Slickers, Dirk  Robert Bosch GmbH Zentralstelle Patente Elektronik 2 Postfach 30 02 20 70442 Stuttgart 70442 Stuttgart (DE)