Speaker unit
AssigneeYamaha Corporation
InventorsAzumi Yoshida, Tsukasa Suenaga, Tsunenori Sano
Life of this patent
Estimating the term…
Abstract
A speaker unit includes a yoke, a magnet, a voice coil and a partitioner. The yoke includes a base portion and a protruding portion protruding from the base portion. The magnet is disposed on the base portion. The top plate is disposed on the magnet. A magnetic gap is formed between the top plate and the protruding portion. The voice coil is disposed in the magnetic gap. The partitioner is disposed in a surrounded-space surrounded by the yoke, the magnet and the top plate. The partitioner is spaced apart from the base portion. The partitioner includes at least one opening.
Claims17
A speaker unit, comprising:
- a yoke including a base portion and a protruding portion protruding from the base portion;
- a magnet disposed on the base portion;
- a top plate disposed on the magnet, a magnetic gap being formed between the top plate and the protruding portion;
- a voice coil disposed in the magnetic gap;
- and
- a partitioner disposed in a surrounded-space surrounded by the yoke, the magnet and the top plate, wherein:
- the partitioner is spaced apart from the base portion, and
- the partitioner includes at least one opening.
A speaker unit, comprising:
- a yoke;
- a magnet disposed on the yoke;
- a top plate disposed on the magnet, a magnetic gap being formed between the top plate and the yoke;
- a voice coil disposed in the magnetic gap;
- and
- a partitioner configured to partition a surrounded-space surrounded by the magnet and the top plate into a first space and a second space, the partitioner including at least one opening, the voice coil being disposed in the first space, the voice coil being disposed in a location other than in the second space.
Dependencies are inferred from the claim text.