Patent ID: 11956611
Assignee: APPLE INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A speaker assembly, comprising:
a frame;
a support structure coupled to the frame and defining an aperture;
a magnet affixed to the frame; and
a diaphragm positioned within the aperture, the diaphragm comprising:
a porous membrane; and
a porous member disposed relative to the porous membrane, the porous membrane coupled to a mount, wherein:
the porous member comprises a surface having a length and a width defining a surface area; and
the porous membrane and the porous member define a fluid path extending through the surface, the mount extending from the support structure into the fluid path the mount retaining the porous member in the fluid path, wherein a cross-section of the fluid path equal to the a surface area of the porous member.