Electrodynamic loudspeaker
AssigneeOnkyo Corporation
InventorSatofumi Nagaoka
Life of this patent
Estimating the term…
Abstract
An electrodynamic loudspeaker 1 includes a magnetic circuit 10 and a vibrator 20. The magnetic circuit 10 includes a magnet 11 and poles 12 and 13 adhering to the magnet 11. The vibrator 20 includes a coil bobbin 21 and voice coils 22 and 23 wound around and fixed to a portion of the coil bobbin 21 facing the poles 12 and 13. A magnetic member 30 is fixed to the coil bobbin 21 of the vibrator 20 at a position spaced apart from the voice coils 22 and 23. The magnetic member 30 is fixed at a position on the coil bobbin 21 so as to extend over an area facing the magnet 11 of the magnetic circuit 10.
Claims14
An electrodynamic loudspeaker, comprising a magnetic circuit including a magnet and a pole adhering to the magnet, and a vibrator including a coil bobbin and a voice coil wound around and fixed to a portion of the coil bobbin facing the pole, wherein a magnetic member is fixed to the coil bobbin of the vibrator at a position spaced apart from the voice coil.
Dependencies are inferred from the claim text.