(19)

(11)

EP 3 087 344 A1

(12)

(43) Date of publication: 02.11.2016 Bulletin 2016/44 (21) Application number: 13900561.5 (22) Date of filing: 25.12.2013

(51) International Patent Classification (IPC):  G01C 15/00(2006.01) (86) International application number: PCT/CN2013/090416 (87) International publication number: WO 2015/096060 (02.07.2015 Gazette 2015/26)

(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 (71) Applicant: Robert Bosch Company Limited Hong Kong (CN)	(72) Inventors: YUEN, Eric Hung-Ying Hong Kong (CN) CHAN, Wah Pong Hong Kong (CN) LAM, Yat Wah Hong Kong (CN) (74) Representative: Bee, Joachim  Robert Bosch GmbH Zentalabteilung Patente Postfach 30 02 20 70442 Stuttgart 70442 Stuttgart (DE)