Global Patent Index - EP 0610769 B1

EP 0610769 B1 2001-05-16 - Loudspeaker

Title (en)


Title (de)


Title (fr)



EP 0610769 B1 (EN)


EP 94101385 A


JP 3749093 A

Abstract (en)

[origin: EP0610769A2] A magnetic gap-less loudspeaker of a high performance which has a good quality of a voice coil and provides easy wiring between tinsel wires and the voice coil. In the magnetic gap-less loudspeaker, two magnets (M1, M2) magnetized in the thickness direction are disposed with the same poles being faced each other and a voice coil (1) is disposed in a magnetic field generated by repulsion magnetic fluxes near at the outer circumferential areas of the magnets, wherein a reinforced paper 1B or bobbin material 1A1 is attached to at least a partial area of the outer surface of the voice coil. Conductive areas 1C are provided to the reinforced paper or bobbin material to which areas coil lead wires or tinsel wires are connected. <IMAGE>

IPC 1-7 (main, further and additional classification)

H04R 9/02; H04R 9/04

IPC 8 full level (invention and additional information)

H04R 1/06 (2006.01); H04R 9/02 (2006.01); H04R 9/04 (2006.01)

CPC (invention and additional information)

H04R 9/025 (2013.01); H04R 9/02 (2013.01); H04R 9/045 (2013.01)

Designated contracting state (EPC)


DOCDB simple family

EP 0610769 A2 19940817; EP 0610769 A3 19941012; EP 0610769 B1 20010516; DE 610769 T1 19950824; DE 69427200 D1 20010621; DE 69427200 T2 20020328; DE 971559 T1 20000831; EP 0971559 A2 20000112; EP 0971559 A3 20060816; JP 3011826 B2 20000221; JP H0715796 A 19950117