EP 0835040 B1 20021211 - Loudspeaker
Title (en)
Loudspeaker
Title (de)
Lautsprecher
Title (fr)
Haut-parleur
Publication
Application
Priority
- EP 93906856 A 19930331
- JP 2656692 U 19920331
- JP 8815692 U 19921130
Abstract (en)
[origin: EP0587910A1] A lightweight speaker of high efficiency and high performance. In a usual speaker or a speaker provided with a magnetic circuit of a repulsive field type, a voice coil (1) includes a complex wire A comprising a conductive wire made of a conductive material C and a magnetic material F arranged at least on a part of the surface of the conductive wire. Alternatively, the complex wire A may comprise a magnetic wire made of a magnetic material F and a conductive material C arranged at least on a part of the surface of the magnetic wire. <IMAGE>
IPC 1-7
IPC 8 full level
CPC (source: EP)
H04R 9/02 (2013.01); H04R 9/046 (2013.01); H04R 9/025 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0587910 A1 19940323; EP 0587910 A4 19950118; DE 69332569 D1 20030123; DE 69332569 T2 20030821; DE 835040 T1 19980903; EP 0835040 A1 19980408; EP 0835040 B1 20021211; JP 2592066 Y2 19990317; JP H0593197 U 19931217; WO 9320666 A1 19931014
DOCDB simple family (application)
EP 93906856 A 19930331; DE 69332569 T 19930331; DE 97118656 T 19930331; EP 97118656 A 19930331; JP 8815692 U 19921130; JP 9300401 W 19930331