EP 1734787 B1 20180808 - Inertial loudspeaker without diaphragm
Title (en)
Inertial loudspeaker without diaphragm
Title (de)
Inertial-Lautsprecher ohne Membran
Title (fr)
Haut-parleur inertiel sans membrane
Publication
Application
Priority
FR 0504839 A 20050513
Abstract (en)
[origin: FR2885760A1] A motor has a magnetic core (112) that is surrounded by an induction coil (113) attached to a lower rigid plate (114) for transmission of vibrations to a support. The lower rigid plate is attached to a casing (110) through elastic studs (116) which provide elastic suspension. The elastic studs comprise an upper rigid plate (115) for suspension and radial positioning of the induction coil. The elastic studs provide elastic suspension for lower rigid plate in relation to casing. Independent claims are included for the following: (1) wall forming an auditorium enclosure; and (2) therapeutic device.
IPC 8 full level
CPC (source: EP US)
H04R 9/066 (2013.01 - EP US); H04R 7/045 (2013.01 - EP US); H04R 2201/021 (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 2885760 A1 20061117; FR 2885760 B1 20070928; EP 1734787 A2 20061220; EP 1734787 A3 20160316; EP 1734787 B1 20180808; US 2006256998 A1 20061116; US 7545948 B2 20090609
DOCDB simple family (application)
FR 0504839 A 20050513; EP 06290744 A 20060510; US 14319505 A 20050601