Patents Assigned to The Canadian Loudspeaker Corporation
  • Loudspeaker
    Patent number: 6868165
    Abstract: A loudspeaker has a magnetic flux assembly that has a pole piece and a plate and magnet structure for co-operating with a voice coil. The plate structure includes a top plate which is mounted adjacent to the diaphragm assembly of the loudspeaker. There is a cavity within the voice coil and between the diaphragm membrane and the top of the pole piece. A fluid flow passage is provide to permit air displaced to and from the cavity during movement of the diaphragm assembly to flow through the top plate and to encourage cooling of the assembly.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: March 15, 2005
    Assignee: The Canadian Loudspeaker Corporation
    Inventor: Frank W. Fabian