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1. CN110248296 - Sound production device

Office
China
Application Number 201910582638.3
Application Date 27.06.2019
Publication Number 110248296
Publication Date 17.09.2019
Grant Number 110248296
Grant Date 08.12.2020
Publication Kind B
IPC
H04R 9/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9Transducers of moving-coil, moving-strip, or moving-wire type
06Loudspeakers
H04R 9/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9Transducers of moving-coil, moving-strip, or moving-wire type
02Details
CPC
H04R 9/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9Transducers of moving-coil, moving-strip, or moving-wire type
02Details
H04R 9/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9Transducers of moving-coil, moving-strip, or moving-wire type
06Loudspeakers
H04R 2400/11
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
2400Loudspeakers
11Aspects regarding the frame of loudspeaker transducers
Applicants GOERTEK INC.
歌尔股份有限公司
Inventors LIU HUAWEI
刘华伟
Agents 深圳市世纪恒程知识产权代理事务所 44287
Title
(EN) Sound production device
(ZH) 发声装置
Abstract
(EN) The invention discloses a sound production device, and the device comprises a shell which is provided with two open ends; a vibration system which is contained in the shell and comprises a vibrating diaphragm and a voice coil which are connected with each other; a magnetic circuit system which comprises a magnetic yoke. The magnetic conductive yoke is formed by injection molding of metal powder, the magnetic conductive yoke comprises a covering part and a magnetic conductive part, the covering part is fixed with the shell and covers one opening of the shell, and the magnetic conductive part is arranged on the surface, facing the vibration system, of the covering part in a protruding manner and is located on the periphery of the voice coil. According to the technical scheme, the performance of the sounding device can be improved.
(ZH) 本发明公开一种发声装置,发声装置包括:外壳,呈两端敞口设置;振动系统,收容于所述外壳内,所述振动系统包括相互连接的振膜和音圈;以及磁路系统,所述磁路系统包括导磁轭,所述导磁轭通过金属粉末注射成型,所述导磁轭包括盖合部和导磁部,所述盖合部与所述外壳固定,并盖合所述外壳的其中一所述敞口,所述导磁部凸设于所述盖合部的朝向所述振动系统的表面,并位于所述音圈的外周。本发明技术方案能够提高发声装置的性能。
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