(19)
(11) EP 0 610 769 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.10.1994 Bulletin 1994/41

(43) Date of publication A2:
17.08.1994 Bulletin 1994/33

(21) Application number: 94101385.6

(22) Date of filing: 31.01.1994
(51) International Patent Classification (IPC)5: H04R 9/02, H04R 9/04
(84) Designated Contracting States:
DE FR GB

(30) Priority: 02.02.1993 JP 37490/93

(71) Applicant: KABUSHIKI KAISHA KENWOOD
Shibuya-ku Tokyo (JP)

(72) Inventor:
  • Sakamoto, Yoshio
    Hachioji-shi, Tokyo (JP)

(74) Representative: Patentanwälte Leinweber & Zimmermann 
Rosental 7/II Aufg.
80331 München
80331 München (DE)


(56) References cited: : 
   
       


    (54) Loudspeaker


    (57) 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.






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