EP 1856946 B1 20130904 - AQUATIC LOUDSPEAKER HAVING A DIAPHRAGM
Title (en)
AQUATIC LOUDSPEAKER HAVING A DIAPHRAGM
Title (de)
AQUATISCHER LAUTSPRECHER MIT EINER MEMBRAN
Title (fr)
HAUT PARLEUR AQUATIQUE A MEMBRANE
Publication
Application
Priority
- FR 2006000047 W 20060110
- FR 0500227 A 20050110
Abstract (en)
[origin: WO2006075083A2] The invention relates to an aquatic loudspeaker of the type comprised of a sound-diffusion element associated with a coil (3) consisting of an insulating support (4) and of an electrical coil (5) being connected to a peripheral magnet (6) in such a manner as to effect the transformation of an electric voltage into a musical frequency. The invention is characterized in that the sound diffusion element is a diaphragm (2) consisting of a plastic circular planar wall of a predetermined thickness and assigned to a bell-shaped shell (7) that is also made of plastic.
IPC 8 full level
H04R 1/44 (2006.01)
CPC (source: EP US)
H04R 1/44 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
FR 2880768 A1 20060714; FR 2880768 B1 20070406; CA 2593457 A1 20060720; CA 2593457 C 20130730; EP 1856946 A2 20071121; EP 1856946 B1 20130904; US 2009003643 A1 20090101; US 8181735 B2 20120522; WO 2006075083 A2 20060720; WO 2006075083 A3 20070215
DOCDB simple family (application)
FR 0500227 A 20050110; CA 2593457 A 20060110; EP 06709058 A 20060110; FR 2006000047 W 20060110; US 81356006 A 20060110