EP 0914020 A3 20040922 - Loudspeaker
Title (en)
Loudspeaker
Title (de)
Lautsprecher
Title (fr)
Haut-parleur
Publication
Application
Priority
DE 19747955 A 19971030
Abstract (en)
[origin: EP0914020A2] The loudspeaker (10) comprises a flat membrane (11) with a small installation depth and a large lift. The side of the membrane, facing a drive system (12), is equipped with support devices (19) which extend along a central axis (16) of the loudspeaker towards the drive system. A centering membrane (18.2) is connected with an end (20) of the support device, which is averted from the flat membrane.
IPC 1-7
IPC 8 full level
H04R 7/06 (2006.01); H04R 9/06 (2006.01); H04R 9/04 (2006.01)
CPC (source: EP)
H04R 7/06 (2013.01); H04R 9/06 (2013.01); H04R 9/041 (2013.01)
Citation (search report)
- [X] US 4567327 A 19860128 - GOOSSENS URBANUS P M [BE], et al
- [A] DE 3733000 A1 19890413 - FRIZ RAINER CORNELIUS [DE]
- [A] US 4764968 A 19880816 - KREITMEIER LEONHARD [DE]
- [A] EP 0281774 A2 19880914 - BLAUPUNKT WERKE GMBH [DE]
- [X] PATENT ABSTRACTS OF JAPAN vol. 0061, no. 64 (E - 127) 27 August 1982 (1982-08-27)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0914020 A2 19990506; EP 0914020 A3 20040922; EP 0914020 B1 20070627; DE 19747955 A1 19990506; DE 19747955 C2 20021107; DE 59814039 D1 20070809
DOCDB simple family (application)
EP 98119683 A 19981019; DE 19747955 A 19971030; DE 59814039 T 19981019