Invention Grant
- Patent Title: Speaker device
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Application No.: US17542523Application Date: 2021-12-06
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Publication No.: US11770654B2Publication Date: 2023-09-26
- Inventor: Ping Liang , Bin Zhao
- Applicant: AAC Microtech (Changzhou) Co., Ltd.
- Applicant Address: CN Changzhou
- Assignee: AAC Microtech (Changzhou) Co., Ltd.
- Current Assignee: AAC Microtech (Changzhou) Co., Ltd.
- Current Assignee Address: CN Changzhou
- Agency: W&G Law Group
- Priority: CN 2023042829.8 2020.12.16
- Main IPC: H04R9/02
- IPC: H04R9/02

Abstract:
The present disclosure provides speaker device. speaker device includes frame, vibration unit fixed to frame and magnetic circuit unit driving vibration unit to vibrate and produce sound, where magnetic circuit unit is provided with magnetic gap; vibration unit includes diaphragm fixed to frame, holder fixed to diaphragm by injection molding and voice coil inserted in magnetic gap and connected to holder; holder includes bottom wall that is fixed to diaphragm and provided with pair of long edges and pair of short edges, and pair of side walls bending and extending from outer peripheries of short edges of bottom wall to magnetic circuit unit; side walls each are provided with chamfered portions on sides close to long edges. Present disclosure solves problem of deformation of holder molded in mold, thereby improving evenness of holder after molding.
Public/Granted literature
- US20220191619A1 SPEAKER DEVICE Public/Granted day:2022-06-16
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