(19)

(11)

EP 2 702 774 A1

(12)

(43) Date of publication: 05.03.2014 Bulletin 2014/10 (21) Application number: 12776374.6 (22) Date of filing: 27.04.2012

(51) International Patent Classification (IPC):  H04R 9/06(2006.01) (86) International application number: PCT/US2012/035437 (87) International publication number: WO 2012/149304 (01.11.2012 Gazette 2012/44)

(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: 28.04.2011 US 201161480206 P 09.04.2012 US 201261621757 P (71) Applicant: Prometheus, LLC Caledonia, Michigan 49316 (US)	(72) Inventor: WEAVER, III, Robert B. Caledonia, Michigan 49316 (US) (74) Representative: O'Neill, Brian  FRKelly 27 Clyde Road Ballsbridge Dublin 4 Dublin 4 (IE)