(19)
(11)EP 2 732 637 A1

(12)

(43)Date of publication:
21.05.2014 Bulletin 2014/21

(21)Application number: 12814704.8

(22)Date of filing:  10.07.2012
(51)International Patent Classification (IPC): 
H04R 1/40(2006.01)
H04R 1/34(2006.01)
H04R 1/02(2006.01)
H04R 1/28(2006.01)
(86)International application number:
PCT/SE2012/050825
(87)International publication number:
WO 2013/012384 (24.01.2013 Gazette  2013/04)
(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: 15.07.2011 SE 1150707

(71)Applicant: KPO INNOVATION AB
120 56 Arstad (SE)

(72)Inventor:
  • KPO INNOVATION AB
    120 56 Arstad (SE)

(74)Representative: Norberg, Charlotte 
Zacco Sweden AB P.O. Box 5581
114 85 Stockholm
114 85 Stockholm (SE)

  


(54)AN ACOUSTICAL SIGNAL GENERATOR USING TWO TRANSDUCERS AND A REFLECTOR WITH A NON-FLAT CONTOUR