EP 0471990 B1 19950419 - Double-coil loudspeaker.
Title (en)
Double-coil loudspeaker.
Title (de)
Doppelspulenlautsprecher.
Title (fr)
Haut-parleur à double bobine.
Publication
Application
Priority
DE 4025591 A 19900813
Abstract (en)
[origin: EP0471990A2] The invention specifies a double-coil loudspeaker which reproduces two audio signals of an in each case different frequency spectrum, the low-frequency range as in the conventional single loudspeaker and the voice range like an optimised double-coil loudspeaker. For this purpose, it is specified to arrange the compound windings (20, 21) above one another on the voice coil former (17). <IMAGE>
IPC 1-7
IPC 8 full level
H04R 1/24 (2006.01); H04R 3/00 (2006.01); H04R 9/04 (2006.01)
CPC (source: EP)
H04R 1/24 (2013.01); H04R 9/041 (2013.01)
Designated contracting state (EPC)
BE DE FR GB IT SE
DOCDB simple family (publication)
EP 0471990 A2 19920226; EP 0471990 A3 19920819; EP 0471990 B1 19950419; DE 4025591 A1 19920220; DE 59105234 D1 19950524; JP H04234300 A 19920821
DOCDB simple family (application)
EP 91112202 A 19910720; DE 4025591 A 19900813; DE 59105234 T 19910720; JP 21035291 A 19910729