Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate
2005-03-08
2005-03-08
Nguyen, Duc (Department: 2643)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Electromagnetic
C381S420000
Reexamination Certificate
active
06865281
ABSTRACT:
A fluid cooled speaker having a T-yoke with a pole piece, a magnet surrounding the pole piece, a voice coil positioned between the pole piece and the magnet, and a cone connected to the voice coil. The T-yoke includes a body having a base and a pole piece with a sealed cavity formed within the pole piece. The T-yoke also has a fluid inlet and outlet formed in the body and communicating between the cavity and an area outside the body of the T-yoke.
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Dabney Phylesha
Nguyen Duc
Roy, Kiesel, Keegan & DeNicola
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