Methods and apparatus for dissipating heat in a voice coil

Details Methods and apparatus for dissipating heat in a voice coil Methods and apparatus for dissipating heat in a voice coil

2007-02-13

2007-02-13

Ni, Suhan (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S407000

Reexamination Certificate

active

10382705

ABSTRACT:
The present invention is directed to methods and apparatus for dissipating heat in a voice coil of a loudspeaker, where at least one of: a bobbin having a substantially cylindrical shaped wall member is operable to support the voice coil, and the wall member includes at least one aperture operable to provide thermal communication from the voice coil through the wall member; and a heatsink is coupled to an outer surface of a bobbin and is in thermal communication with the voice coil.

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European Search Report, Feb. 21, 2006.

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