EP 0642291 A3 19960131 - Loudspeaker diaphragm attaching.
Title (en)
Loudspeaker diaphragm attaching.
Title (de)
Lautsprechermembranbefestigung.
Title (fr)
Fixation de membrane pour haut-parleur.
Publication
Application
Priority
US 10237893 A 19930805
Abstract (en)
[origin: EP0642291A2] A loudspeaker includes a diaphragm having a neck with an annular edge (21), a voicecoil former (14) having an annular edge, and a spider (10). The annular edge (21) of the neck and the annular edge of the voicecoil former (14) are connected together in an annular groove structure (11) in fixed relationship to the spider (10). <IMAGE>
IPC 1-7
IPC 8 full level
H04R 7/12 (2006.01); H04R 7/16 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01)
CPC (source: EP)
H04R 7/16 (2013.01)
Citation (search report)
- [X] FR 2668018 A1 19920417 - CABASSE KERGONAN SA [FR]
- [A] EP 0270981 A2 19880615 - EWD ELECTRONIC WERKE DEUTSCHE [DE], et al
- [A] US 4737992 A 19880412 - LATHAM-BROWN ERNEST [US], et al
- [A] EP 0030758 A1 19810624 - PHILIPS NV [NL]
- [A] US 4118605 A 19781003 - KOBAYASHI FUMIO
- [A] US 5008945 A 19910416 - MURAYAMA FUMIO [JP], et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 016, no. 354 (E - 1242) 30 July 1992 (1992-07-30)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0642291 A2 19950308; EP 0642291 A3 19960131; EP 0642291 B1 20020213; DE 69429843 D1 20020321; DE 69429843 T2 20020808; JP 3411400 B2 20030526; JP H07154895 A 19950616
DOCDB simple family (application)
EP 94305330 A 19940720; DE 69429843 T 19940720; JP 18206794 A 19940803