(19)

(11)

EP 2 954 699 A2

(12)

(88) Date of publication A3: 02.07.2015 (43) Date of publication: 16.12.2015 Bulletin 2015/51 (21) Application number: 14748964.5 (22) Date of filing: 11.02.2014

(51) International Patent Classification (IPC):  H04R 25/00(2006.01) (86) International application number: PCT/US2014/015824 (87) International publication number: WO 2014/124445 (14.08.2014 Gazette 2014/33)

(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: 11.02.2013 US 201313764666 (71) Applicant: Stevinson, Dean Centennial, CO 80122 (US)	(72) Inventor: Stevinson, Dean Centennial, CO 80122 (US) (74) Representative: Pearson, James Ginn  Abel & Imray 20 Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)