Speaker, and module, electronic apparatus, and device that use the speaker
View Patent ↗A net made of material containing at least metal is bonded to a protector of a loud speaker, and hence shields electromagnetic waves. Electromagnetic interference can be prevented in an electronic apparatus such as a portable phone employing the loud speaker.
1. A loud speaker comprising:
a frame bonded to a magnetic circuit;
a diaphragm bonded to an outer periphery of the frame;
a voice coil that is bonded to the diaphragm and is partly disposed in a magnetic gap of the magnetic circuit; and
a protector bonded to the frame so as to cover the diaphragm,
wherein a net made of material containing at least metal is bonded to the protector, and
wherein the net is bonded to the magnetic circuit.
2. The loud speaker of claim 1 ,
wherein the protector is made of resin material.
3. The loud speaker of claim 1 ,
wherein the net contains resin material.
4. The loud speaker of claim 1 ,
wherein the net contains copper material.
5. The loud speaker of claim 1 ,
wherein the net contains nickel material.
6. The loud speaker of claim 1 ,
wherein the net contains both copper material and nickel material.
7. A module formed by bonding the loud speaker of claim 1 to an electronic circuit.
8. An electronic apparatus including the loud speaker of claim 1 .
9. A device including the loud speaker of claim 1 .