Acoustic device
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United States of America Patent
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Oct 15, 2019
Grant Date -
Aug 1, 2019
app pub date -
Dec 28, 2018
filing date -
Jan 27, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure provides an acoustic device, including a frame and a vibration system fixed to the frame, where the vibration system includes a first vibrating diaphragm fixed to the frame, a voice coil driving the first vibrating diaphragm to vibrate and produce a sound, and a flexible circuit board, the flexible circuit board is fixed to an end of the voice coil which is away from the first vibrating diaphragm, the flexible circuit board includes a first fixing arm and a second fixing arm respectively fixed to the frame and the voice coil body, an elastic arm connecting the first fixing arm and the second fixing arm, and a pad respectively extending from two ends of the second fixing arm, the pad is at least partially located on an inner side of the voice coil body. The acoustic device in the present disclosure has better acoustic performance.
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