Invention Grant
- Patent Title: Sound-producing device
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Application No.: US17774550Application Date: 2020-11-05
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Publication No.: US11979729B2Publication Date: 2024-05-07
- Inventor: Jianbin Yang , Shousong Qiang , Chunfa Liu
- Applicant: Goertek Inc.
- Applicant Address: CN Shandong
- Assignee: Goertek Inc.
- Current Assignee: Goertek Inc.
- Current Assignee Address: CN Shandong
- Agency: Baker Botts, LLP
- Priority: CN 1911089679.5 2019.11.08
- International Application: PCT/CN2020/126833 2020.11.05
- International Announcement: WO2021/088937A 2021.05.14
- Date entered country: 2022-05-05
- Main IPC: H04R25/00
- IPC: H04R25/00 ; H04R9/02 ; H04R9/04 ; H04R9/06 ; H04R31/00

Abstract:
Disclosed is a sound-producing device including a voice coil, comprising a bobbin and a voice coil body wound outside the bobbin; and a damper having a first connecting part and a second connecting part; wherein the first connecting part is fixedly connected to the voice coil, and the second connecting part is fixed on the sound-producing device; there is provided a planar elastic member between the first connecting part and the second connecting part, the planar elastic member is bent and extends from the first connecting part to the second connecting part; the damper is made of conductive material, and is configured to establish electrical communication with the voice coil; the sound-producing device has a height in a vibration direction thereof ranging from 5 mm to 200 mm.
Public/Granted literature
- US20220377464A1 SOUND-PRODUCING DEVICE Public/Granted day:2022-11-24
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