Patent ID: 11889259
Assignee: SOUND FUN CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. A speaker unit comprising:
a first diaphragm in a cone shape;
a blade piece in a plate shape to which one end side of a second diaphragm is attached, the second diaphragm a sheet forming a rounded surface portion curved from the one end side to another end side; and
a driver unit that drives the first diaphragm and the blade piece together, wherein
in the first diaphragm, a small diameter side is connected to the driver unit,
the blade piece is connected to the driver unit via a center cap attached to a tip end of a voice coil of the driver unit to protrude from the small diameter side to a large diameter side of the first diaphragm, and
the blade piece is integral with the center cap.