Title:
SOUND PRODUCING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/205710
Kind Code:
A1
Abstract:
The present invention discloses a sound producing device. The sound producing device comprises: a voice coil, from which four lead ends extend; and an electrical connector, comprising four inner electrical connection points and at least two outer pads. The electrical connector is fixedly disposed in the sound producing device, the outer pads are exposed on an outer surface of the sound producing device, and the inner electrical connection points are respectively electrically connected to the outer pads. The four lead ends respectively correspond to the four inner electrical connection points and form electrical connections therewith. A technical effect of the present invention is a simple and reliable electrical connection between a lead end and an external circuit.
More Like This:
| WO/2005/062664 | SPEAKER AND DEVICE USING THE SAME |
Inventors:
CHENG HANLONG (CN)
ZHANG CHENGFEI (CN)
LIU CHUNFA (CN)
ZHANG CHENGFEI (CN)
LIU CHUNFA (CN)
Application Number:
PCT/CN2018/125465
Publication Date:
October 31, 2019
Filing Date:
December 29, 2018
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R9/04; H04R9/06
Foreign References:
| CN204465853U | 2015-07-08 | |||
| CN204442665U | 2015-07-01 | |||
| CN104735595A | 2015-06-24 | |||
| CN202841505U | 2013-03-27 | |||
| US20140022867A1 | 2014-01-23 |
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