Patent ID: 11937062
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A speaker module, comprising an upper module housing and an electroacoustic transducer, the electroacoustic transducer comprises a center magnet, two first side magnets, two second side magnets, a voice coil, a voice diaphragm, and two flexible printed circuit boards, wherein
the two first side magnets are symmetrically arranged at two sides of the center magnet, and a first gap is formed between each first side magnet and the center magnet, the two second side magnets are symmetrically arranged at the two sides of the center magnet and are away from the center magnet;
a first side of the voice coil is partially located in the first gap, and the voice diaphragm is fixedly connected to a second side of the voice coil; and
the two flexible printed circuit boards are symmetrically arranged at the two sides of the center magnet and are away from the center magnet, and each of the two flexible printed circuit boards is located between a respective second side magnet and the voice diaphragm, and tail ends of two stubs of each flexible printed circuit board are fixedly connected to two corners of the voice coil respectively; and
wherein the electroacoustic transducer is fixedly connected to the upper module housing, a front speaker box is formed between the voice diaphragm and the upper module housing, the upper module housing is provided with a sound outlet hole, and the sound outlet hole connects the front speaker box to an outer side of the speaker module.