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US 2018/0020303 A1Published application
Loudspeaker
AssigneeAAC Technologies Pte. Ltd.
InventorsShengrong Shi, Fuhu Zhang, Ronglin Linghu
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Abstract
A loudspeaker is disclosed. The loudspeaker includes a frame; a vibration system accommodated in the frame and comprising a vibrating diaphragm and a voice coil for driving the vibrating diaphragm fixed with the frame; a magnetic circuit system driving the vibration system; a light source assembled with the voice coil; a photosensitive sensor located in the yoke and within the irradiation scope of the light source. The magnetic circuit system includes a yoke positioned by the frame and a magnet portion supported by the yoke.
Claims7
A loudspeaker comprising:
- a frame;
- a vibration system accommodated in the frame and comprising a vibrating diaphragm and a voice coil for driving the vibrating diaphragm fixed with the frame;
- a magnetic circuit system driving the vibration system, the magnetic circuit system comprising a yoke positioned by the frame and a magnet portion supported by the yoke;
- a light source assembled with the voice coil;
- a photosensitive sensor located in the yoke and within the irradiation scope of the light source.
2 more elements
Dependencies are inferred from the claim text.