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AssigneeGoertek Inc.
InventorsXiaodong CAI, Song LIU, Xianzhong LANG, Chengfei ZHANG, Chunfa LIU
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A sound production module and a terminal device are disclosed. The sound production module includes a sound production unit and an expansion cavity, the sound production unit includes a magnetic circuit system, a receiver unit including a first diaphragm and a speaker unit opposite to the receiver unit and including a second diaphragm. Vibration systems of the receiver unit and the speaker unit are on two opposite sides of the magnetic circuit system. A first rear cavity is formed between the first diaphragm and the magnetic circuit system. A second rear cavity is formed between the second diaphragm and the magnetic circuit system. The first rear cavity is separated from the second rear cavity and the expansion cavity. The receiver unit is provided with a communication hole for communicating the first rear cavity with a space outside the sound production module and not communicated with the expansion cavity.
A sound production module, wherein the sound production module comprises a sound production unit and an expansion cavity, and the sound production unit comprises a receiver unit and a speaker unit disposed opposite to the receiver unit,
Dependencies are inferred from the claim text.