(19)

(11)

EP 2 491 463 A1

(12)

(43) Date of publication: 29.08.2012 Bulletin 2012/35 (21) Application number: 10795603.9 (22) Date of filing: 15.10.2010

(51) International Patent Classification (IPC):  G04B 15/08(2006.01) G04B 17/06(2006.01) (86) International application number: PCT/BG2010/000018 (87) International publication number: WO 2011/047449 (28.04.2011 Gazette 2011/17)

(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 (30) Priority: 19.10.2009 BG 11049609 (71) Applicant: Blagoev, Lyuboslav Krumov 4000 Plovdiv (BG)	(72) Inventor: Blagoev, Lyuboslav Krumov 4000 Plovdiv (BG) (74) Representative: Takova, Simona Dragomirova  Blvd. "Aleksandar Stamboliyski" No. 30 entr. A, 2 Floor 1301 Sofia 1301 Sofia (BG)