Title:
VIBRATION SYSTEM IN SOUND PRODUCTION DEVICE AND SOUND PRODUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/145414
Kind Code:
A1
Abstract:
The present invention relates to a vibration system in a sound production device and the sound production device. The vibration system comprises a vibration diaphragm assembly and a voice coil connected at the lower end of the vibration diaphragm assembly, and further comprises an FPCB board provided close to voice coil leads; a groove matching the lower end of the voice coil in a positioning manner is provided on the FPCB board; the voice coil is bonded in the groove of the FPCB board with glue, and two leads of the voice coil are connected in a circuit of the FPCB board. The vibration system also comprises a centering slice located at the lower end of the voice coil; the inner side of the centering slice is connected at the lower end of the FPCB board. According to the vibration system of the present invention, the lower end of the voice coil matches the groove of the FPCB board in a positioning manner, increasing the bonding area therebetween and improving the bonding strength, and moreover, the problem in the traditional structure of discrete bonding position caused by inaccurate positioning.
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Inventors:
WANG QIZHONG (CN)
WU DEYUE (CN)
LIU GUANGLEI (CN)
WU DEYUE (CN)
LIU GUANGLEI (CN)
Application Number:
PCT/CN2017/094749
Publication Date:
August 16, 2018
Filing Date:
July 27, 2017
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/02; H04R9/06
Foreign References:
| CN204291381U | 2015-04-22 | |||
| US20060239498A1 | 2006-10-26 | |||
| CN2792072Y | 2006-06-28 | |||
| JPS63261996A | 1988-10-28 | |||
| CN203446019U | 2014-02-19 | |||
| CN201742547U | 2011-02-09 |
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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