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US 2006/0188120 A1Published application
Multiple active coil speaker
OwnerMichael Fisherinventor
Life of this patent
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OwnerMichael Fisherinventor
Estimating the term…
A voice tube assembly for a loudspeaker comprising a basket, a cone, and a spider includes a first magnet. The first magnet is configured for attachment onto the basket and has a principle axis. A second magnet, the second magnet configured the magnet being coaxial with the first magnet and spaced apart from it. A voice tube of non ferrous material includes a cylindrical sleeve having a first extremity, a second extremity, and a cylinder axis. The cylinder axis is arranged to coincide with the principle axis. A first voice coil of conductive wire is wrapped around the first extremity in operational proximity to the first magnet. A second voice coil of conductive wire is wrapped around the second extremity in operational proximity to the second magnet.
A voice tube assembly for a loudspeaker, the loudspeaker including a basket, a cone, and a spider, the voice tube assembly comprising:
The voice tube assembly of claim 28, wherein the Halbach array comprises a plurality of magnet segments.
The voice tube assembly of claim 29, wherein each of the plurality of magnet segments are circular magnets, the circular magnets having an axis at a center of the circular magnet and configured to be coaxial with the principle axis.
A method for motivating a voice tube assembly in a loudspeaker, the loudspeaker including a basket, a cone, and a spider:
Dependencies are inferred from the claim text.