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

Claim 11:
12. A speaker unit, comprising:
a first diaphragm in a cone shape;
a second diaphragm formed as a sheet having a rounded surface portion curved from one end side to an opposite end side;
a blade piece in a plate shape to which one end side of said second diaphragm is attached;
a driver unit configured to drive the first diaphragm and the blade piece together and having a voice coil; and
a center cap, wherein
in the first diaphragm, a small diameter side is connected to the driver unit, and
the blade piece is connected to the driver unit via the center cap attached to a tip end of the voice coil of the driver unit to protrude from the small diameter side to a large diameter side of the first diaphragm.