Invention Application
- Patent Title: Tablet Woofer and Electronic Device Using Same
- Patent Title (中): 平板电脑低音单元和电子设备使用相同
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Application No.: US14890073Application Date: 2013-05-31
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Publication No.: US20160127835A1Publication Date: 2016-05-05
- Inventor: Chao Jiang , Jianbin Yang , Zhi Li , Qijin Jiao
- Applicant: GOERTEK INC.
- Applicant Address: CN Shandong
- Assignee: Goertek Inc.
- Current Assignee: Goertek Inc.
- Current Assignee Address: CN Shandong
- Priority: CN201310167054.2 20130508; CN201310167181.2 20130508; CN201310168974.6 20130508
- International Application: PCT/CN2013/076552 WO 20130531
- Main IPC: H04R9/06
- IPC: H04R9/06 ; H04R7/18 ; H04R7/12

Abstract:
A tablet woofer and an electronic device using same. The woofer comprises a vibrating diaphragm, at least four mutually independent drive units, and a housing. The vibrating diaphragm is a rectangle shape, and comprises a rigid arc portion at the central position and a spiral curve portion at the periphery; the drive unit comprises a voice coil unit and a corresponding magnetic circuit unit, and four angles of the arc portion of the vibrating diaphragm are each combined with one voice coil unit; the housing is provided with mounting holes for accommodating and mounting the drive units, and sound holes penetrating through the mounting plane; the spiral curve portion of the vibrating diaphragm is fixedly connected to the periphery of the upper side of the housing.
Public/Granted literature
- US09769572B2 Tablet woofer and electronic device using same Public/Granted day:2017-09-19
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