SOUND DEVICE
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
May 29, 2023
filing date -
Jan 5, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A sound device includes a frame, a first vibration system, a second vibration system, and a magnetic circuit system. The first vibration system includes a first vibrating diaphragm and a first voice coil. The second vibration system includes a second vibrating diaphragm and a second voice coil. The first vibrating diaphragm includes a first vibrating portion, a first folding ring portion, and a first dome. The second vibrating diaphragm includes a second vibrating portion, a second folding ring portion, and a second dome. The second dome and the first dome are both metal domes. The sound device improves heat dissipation effect of the sound device through the first dome of a metal structure and the second dome of a metal structure, and improves heat dissipation effect of vehicle-mounted sound boxes to a great extent when the sound device is applied to the vehicle-mounted sound boxes.
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