WO2022006793A1 - 扬声器箱 - Google Patents

扬声器箱 Download PDF

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Publication number
WO2022006793A1
WO2022006793A1 PCT/CN2020/100930 CN2020100930W WO2022006793A1 WO 2022006793 A1 WO2022006793 A1 WO 2022006793A1 CN 2020100930 W CN2020100930 W CN 2020100930W WO 2022006793 A1 WO2022006793 A1 WO 2022006793A1
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WO
WIPO (PCT)
Prior art keywords
spacer
cavity
casing
side end
box according
Prior art date
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PCT/CN2020/100930
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English (en)
French (fr)
Inventor
吴军
印兆宇
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
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Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2020/100930 priority Critical patent/WO2022006793A1/zh
Publication of WO2022006793A1 publication Critical patent/WO2022006793A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

Definitions

  • the utility model relates to the field of sound and electricity, in particular to a speaker box.
  • the purpose of the utility model is to provide a loudspeaker box that can efficiently utilize the volume of the accommodation space and can realize high-efficiency filling of sound-absorbing materials.
  • a speaker box which includes a casing with a receiving space, a cover assembled with the casing, and a sound producing unit accommodated in the receiving space;
  • the sound producing unit includes: A basin frame, a magnetic circuit system fixed to the basin frame and having a magnetic yoke, and a vibration system having a vibrating membrane;
  • the casing protrudes toward the receiving space to form a spacer, and the spacer and the casing surround
  • a first cavity is formed, the spacer is provided with a mounting plane, the basin frame includes a first end connected with the diaphragm and a second end opposite to the first end, the second end
  • An extension part surrounding the basin frame and extending away from the magnetic circuit is arranged on the part, the extension part is fixed on the installation plane and is sealedly connected with the spacer;
  • the sounding unit also includes a fixed A flexible circuit board and a ring-shaped air-permeable spacer on the side of the extension portion away from the installation plane, the flexible circuit
  • the extension portion is integrally formed with the basin frame.
  • the second side end of the gas permeable spacer surrounds and is connected to the yoke.
  • the breathable spacer is a mesh structure.
  • the breathable spacer is a three-dimensional mesh.
  • the end surface of the second end portion facing the flexible circuit board is flush with the end surface of the extension portion facing the flexible circuit board.
  • the flexible circuit board further includes an electrical connection portion extending from the annular fixing arm away from the magnetic circuit system and an electrical contact terminal extending from the annular fixing arm towards the magnetic circuit system.
  • a support step abutting against the diaphragm is further provided in the first cavity.
  • a sounding front cavity is formed between the diaphragm and the casing, the casing includes a bottom wall parallel to the diaphragm and a side wall extending from the bottom, on the side wall There is a sound outlet that communicates with the sounding pre-cavity.
  • the cover body includes a through hole therethrough, the second side end of the air-permeable spacer and the magnetic yoke are located in the through hole, and a part of the first side wall of the air-permeable spacer is connected to the The inner walls of the through holes are in contact with each other.
  • the beneficial effect of the present invention is that: the ventilating spacer is assembled on the basin frame of the present invention to separate the sound-producing unit to efficiently utilize the volume in the accommodating space, and the second space formed between the ventilating spacer, the casing and the cover body
  • the two-chamber can realize high-efficiency filling of sound-absorbing materials.
  • FIG. 1 is an exploded view of the structure of a speaker box according to an embodiment of the present invention.
  • FIG. 2 is a schematic three-dimensional structure diagram of a speaker box according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2 .
  • FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 2 .
  • FIG. 5 is an enlarged schematic view of the structure of part C in FIG. 4 .
  • the speaker box 100 includes a casing 1 , a cover 2 , and a sounding unit 3 .
  • the housing 1 includes a bottom wall 11 , a side wall 12 , a receiving space 13 and a spacer 14 .
  • the bottom wall 11 is parallel to the dome 3312, the side wall 12 extends from the bottom, and the side wall 12 is provided with a sound outlet 121 that communicates with the pre-voice cavity 1313, so that the pre-voice cavity 1313 communicates with the outside world, as shown in Figure 4 shown.
  • the spacer 14 is formed by protruding from the housing toward the receiving space 13 , the spacer 14 and the housing 1 are surrounded to form a first cavity 131 , the first cavity 131 is further provided with a support step 1311 , and the spacer 14 is provided with a mounting plane 141 , the installation plane 141 is sealed and connected to the extension portion 3121 , and the support step 1311 is in contact with the diaphragm 331 .
  • the cover body 2 and the casing 1 are assembled together to separate the receiving space 13 from the external environment.
  • the cover body 2 includes a through hole 21 extending therethrough, the second side end 353 of the air-permeable spacer 35 and the magnetic yoke 321 are located in the through hole 21 , and the first side wall 351 of the air-permeable spacer 35 is away from the first side end A part of 352 is in contact with the inner wall of the through hole 21 .
  • the sound-generating unit 3 includes a basin frame 31, a magnetic circuit system 32 placed in the basin frame 31, a vibration system 33, a flexible circuit board 34 and a ventilating spacer 35, and the sound-generating unit 3 is accommodated in the storage In the space 13 , in this embodiment, the basin frame 31 and a part of the vibration system 33 are placed in the first cavity 131 .
  • the basin frame 31 includes a first end portion 311 and a second end portion 312 opposite to the first end portion 311 .
  • the first end portion 311 is connected to the diaphragm 331 , and the second end portion
  • An extension portion 3121 surrounding the basin frame 31 and extending away from the basin frame 31 is provided on the 312 , and the basin frame 31 and the extension portion 3121 are integrally formed.
  • the end surface of the second end portion 312 facing the flexible circuit board 34 is flush with the end surface of the extension portion 3121 facing the flexible circuit board 34 .
  • the magnetic circuit system 32 includes a magnetic yoke 321, a magnetic steel assembly 322, a magnetic conductive member 323 and a pole core 324.
  • the magnetic conductive member 323 is placed in the basin frame 31, and the pole core 324 is placed in the central area of the magnetic conductive member 323.
  • the magnetic steel assembly 322 is placed on the side of the magnetic conductive member 323 and the pole core 324 away from the diaphragm 331 , and the yoke 321 is placed on the side of the magnetic steel assembly 322 away from the magnetic conductive member 323 and is fixedly connected to the magnetic steel assembly 322 .
  • the magnet assembly 322 includes a first magnet 3221 and four second magnets 3222 .
  • the first magnetic steel 3221 is located in the central area and is fixedly attached to the pole core 324 on one side, and the other side is fixedly attached to the magnetic yoke 321 .
  • the second magnetic steel 3222 surrounds the first magnetic steel 3221 and is spaced apart from the first magnetic steel 3221 to form a magnetic gap 3223 , and the voice coil 333 is suspended in the magnetic gap 3223 .
  • the vibration system 33 includes a diaphragm 331 , a bracket 332 and a voice coil 333 .
  • the diaphragm 331 is in contact with the support step 1311 and forms a sounding front cavity 1313 between the diaphragm 331 and the casing 1 .
  • the diaphragm 331 includes a diaphragm body 3311 and a dome 3312 .
  • the side of the bracket 332 close to the yoke 321 is in contact with the voice coil 333 , the side of the bracket 332 away from the yoke 321 is connected to the diaphragm body 3311 , the side of the diaphragm body 3311 away from the bracket 332 and the side of the dome 3312 away from the bottom wall 11 connected on one side.
  • the voice coil 333 is suspended in the magnetic gap 3223 and is provided with pins 3331 that are electrically connected to the electrical contact terminals 342 of the flexible circuit board 34 , as shown in FIG. 1 .
  • the flexible circuit board 34 has an integrated structure, and the flexible circuit board 34 includes a ring-shaped fixing arm 341 , an electrical contact terminal 342 and an electrical connecting portion 343 , and the ring-shaped fixing arm 341 is fixed On the side of the extension portion 3121 away from the mounting plane 141 , the electrical contact terminal 342 is connected to the annular fixing arm 341 and extends from the annular fixing arm 341 to the magnetic circuit system 32 . Road system 32 extends.
  • the electrical contact terminal 342 of the flexible circuit board 34 is electrically connected to the voice coil 333 of the vibration system 33 , and the electrical connection portion 343 is used for electrical connection with the outside world.
  • the air-permeable spacer 35 is annular and includes a first side wall 351 , a first side end 352 and a second side end 353 opposite to the first side end 352 .
  • the first side end 352 is connected to the annular fixing arm 341 of the flexible circuit board 34
  • the second side end 353 is located in the through hole 21 and a part of the first side wall 351 abuts the inner wall of the through hole 31 .
  • the second side end 353 surrounds the magnetic yoke 321 and is connected to the magnetic yoke 321 , the second side end 353 abuts the side of the magnetic yoke 321 away from the magnetic circuit system 32 , and the first side wall 351 connects the first side end 352 and the second side end 353 The side end 353 and surrounds the magnetic circuit system 32 .
  • the breathable spacer 35 is a three-dimensional mesh cloth with a mesh structure.
  • a second cavity 132 for filling sound-absorbing material is formed between the air-permeable spacer 35 and the casing 1 and the cover 2 .
  • the speaker box 100 provided by the present invention is provided with an extension portion 3121 on the basin frame 31 of the sound-generating unit 3, and a flexible circuit board 34 with an integrated structure is assembled on the extension portion 3121.
  • the flexible circuit The plate 34 and the yoke 321 are equipped with a ventilating spacer 35 surrounding the magnetic circuit system.
  • the isolation of the ventilating spacer 35 separates the sound-emitting unit 3, and the ventilating spacer 35 is formed between the housing 1 and the cover 2 for filling
  • the second cavity 132 filled with the sound-absorbing material and the ventilation spacer can be arranged so as to efficiently utilize the volume in the accommodation space and realize high-efficiency filling of the sound-absorbing material.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

本实用新型提供了一种扬声器箱，包括具有收容空间的壳体、与壳体组合装配的盖体以及收容于收容空间的发声单体；所述发声单体包括盆架、固定于盆架具有磁轭的磁路系统和具有振膜的振动系统；壳体朝向收容空间凸出形成间隔件，间隔件设有安装平面，盆架包括与振膜相连的第一端部和第二端部，第二端部上设有环绕盆架且朝远离磁路方向延伸的延伸部，延伸部固定于安装平面且与间隔件密封固定；发声单体还包括固设于延伸部远离安装平面一侧的柔性电路板和呈环状的透气隔离件，透气隔离件与壳体以及盖体之间形成第二腔体，第二腔体内填充吸音材料。本实用新型的扬声器箱可以高效利用收容空间的体积，并实现对吸音材料的高效率灌装。

Description

扬声器箱 技术领域
本实用新型涉及声电领域，尤其涉及一种扬声器箱。
 背景技术
随着电子信息技术的快速发展，越来越多的电子产品使用扬声器箱作为其发声部件，例如手机，笔记本电脑等。为了适应市场需求，扬声器箱的发展也相应加快。
 技术问题
现有技术的扬声器箱的相关技术中，在壳体与盖体组装形成腔体后，为了提升性能，一般在腔体内设计相应的区域封装用于灌装吸音材料，无法高效利用收容空间的体积，灌装效率低。
因此，有必要提供一种新的扬声器箱解决上述技术问题。
 技术解决方案
本实用新型的目的在于提供一种高效利用收容空间体积并可实现对吸音材料高效率灌装的扬声器箱。
本实用新型的技术方案如下：提供一种扬声器箱，包括具有收容空间的壳体、与所述壳体组合装配的盖体以及收容于所述收容空间的发声单体；所述发声单体包括盆架、固定于所述盆架且具有磁轭的磁路系统和具有振膜的振动系统；所述壳体朝向所述收容空间凸出形成间隔件，所述间隔件与所述壳体围设形成第一腔体，所述间隔件设有安装平面，所述盆架包括与所述振膜相连的第一端部和与第一端部相对的第二端部，所述第二端部上设有环绕所述盆架且朝远离所述磁路方向延伸的延伸部，所述延伸部固定于所述安装平面且与所述间隔件密封相连；所述发声单体还包括固设于所述延伸部远离所述安装平面一侧的柔性电路板和呈环状的透气隔离件，所述柔性电路板包括与所述延伸部固定连接的环状固定臂，所述透气隔离件包括与所述环状固定臂相连的第一侧端和与所述第一侧端相对并与所述磁轭抵接的第二侧端以及连接第一侧端和第二侧端并围绕所述磁路系统的第一侧壁；所述透气隔离件与所述壳体以及盖体之间形成第二腔体，所述第二腔体内填充吸音材料。
优选地，所述延伸部与所述盆架一体成型。
优选地，所述透气隔离件的第二侧端环绕所述磁轭并与之相连。
优选地，所述透气隔离件为网状结构。
优选地，所述透气隔离件为立体网布。
优选地，所述第二端部面向所述柔性电路板的端面与所述延伸部面向所述柔性电路板的端面平齐。
优选地，所述柔性电路板还包括自所述环状固定臂向远离所述磁路系统延伸的电连接部和自所述环状固定臂向靠近所述磁路系统延伸的电接触端子。
优选地，所述第一腔体内还设有与所述振膜抵接的支撑台阶。
优选地，所述振膜与所述壳体之间形成的发声前腔，所述壳体包括与所述振膜平行的底壁和自底部延伸而出的侧壁，在所述侧壁上设有与所述发声前腔导通的出声孔。
优选地，所述盖体包括贯穿其上的通孔，所述透气隔离件的第二侧端和所述磁轭位于所述通孔内，所述透气隔离件的第一侧壁的部分与所述通孔内壁相抵接。
 有益效果
本实用新型的有益效果在于：本实用新型在盆架上装配透气隔离件可以将发声单体隔开以高效利用收容空间内的体积，且透气隔离件与壳体、盖体之间形成的第二腔体可以实现对吸音材料的高效率灌装。
 附图说明
图1为本实用新型实施例扬声器箱的结构分解图。
图2为本实用新型实施例扬声器箱的立体结构示意图。
图3为图2中A-A方向的剖视图。
图4为图2中B-B方向的剖视图。
图5为图4中C部分的放大结构示意图。
 本发明的最佳实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
本实施例提供了一种扬声器箱。如图1-4所示，扬声器箱100包括壳体1、盖体2、发声单体3。
具体地，如图1-3所示，壳体1包括底壁11、侧壁12、收容空间13和间隔件14。底壁11与球顶3312平行，侧壁12自底部延伸而出且侧壁12上设有与发声前腔1313相导通的出声孔121使发声前腔1313与外界相连通，如图4所示。间隔件14自壳体朝向收容空间13凸出形成，间隔件14与壳体1围设形成第一腔体131，第一腔体131内还设有支撑台阶1311，间隔件14设有安装平面141，安装平面141与延伸部3121密封相连，支撑台阶1311与振膜331抵接。
如图1结合3-5所示，盖体2与壳体1组合装配在一起将收容空间13与外界环境分隔。盖体2包括贯穿上的通孔21，透气隔离件35的第二侧端353和磁轭321位于所述通孔21内，所述透气隔离件35的第一侧壁351远离第一侧端352的一部分与所述通孔21的内壁相抵接。
如图1-3所示，发声单体3包括盆架31、置于盆架31内的磁路系统32、振动系统33、柔性电路板34和透气隔离件35，发声单体3收容于收容空间13内，本实施例中，盆架31和振动系统33的一部分置于所述的第一腔体131内。
具体地，如图1-3所示，盆架31包括第一端部311以及与第一端部311相对的第二端部312，第一端部311与振膜331相连，第二端部312上设有环绕盆架31且朝远离盆架31方向延伸的延伸部3121且盆架31与延伸部3121一体成型。第二端部312面向柔性电路板34的端面与延伸部3121面向柔性电路板34的端面平齐，延伸部3121固定于安装平面141上进而与间隔件14密封固定，如图3所示。
磁路系统32包括磁轭321、磁钢组件322、导磁件323和极芯324，导磁件323置于盆架31内，极芯324置于导磁件323的中心区域，磁钢组件322置于导磁件323和极芯324远离振膜331一侧，磁轭321置于磁钢组件322远离导磁件323一侧且与磁钢组件322固定连接。磁钢组件322包括第一磁钢3221和四个第二磁钢3222。第一磁钢3221位于中心区域一侧与极芯324固定贴合，另一侧与磁轭321固定贴合。第二磁钢3222围绕第一磁钢3221且与第一磁钢3221间隔设置形成磁间隙3223，音圈333悬置于磁间隙3223内。
振动系统33包括振膜331、支架332和音圈333。振膜331与支撑台阶1311抵接并与壳体1之间形成发声前腔1313，振膜331包括振膜本体3311和球顶3312。支架332靠近磁轭321一侧与音圈333相抵接，支架332远离磁轭321一侧与振膜本体3311相连接，振膜本体3311远离支架332的一侧与球顶3312远离底壁11的一侧相连接。音圈333悬置于磁间隙3223中且设有与柔性电路板34的电接触端子342电连接的引脚3331，如图1所示。
具体地，如图1结合图3-5所示，柔性电路板34为一体结构，柔性电路板34包括环状固定臂341、电接触端子342和电连接部343，环状固定臂341固设于延伸部3121远离安装平面141的一侧，电接触端子342和环状固定臂341相连并自环状固定臂341向磁路系统32延伸，电连接部343自环状固定臂341向远离磁路系统32延伸。柔性电路板34的电接触端子342与振动系统33的音圈333电连接，电连接部343用于与外界电连接。
具体地，如图1结合图3-5所示，透气隔离件35呈环状，包括第一侧壁351、第一侧端352以及与第一侧端352相对的第二侧端353。第一侧端352与柔性电路板34的环状固定臂341相连，第二侧端353位于所述通孔21内且第一侧壁351的部分与通孔31的内壁相抵接。第二侧端353环绕磁轭321并与磁轭321相连，第二侧端353与磁轭321远离磁路系统32的一侧相抵接，第一侧壁351连接第一侧端352和第二侧端353并围绕磁路系统32。本实施例中，透气隔离件35为网状结构的立体网布。透气隔离件35与壳体1和盖体2之间形成用于灌装填充吸音材料的第二腔体132。
综上所述，与现有技术相比，本实用新型提供的扬声器箱100在发声单体3的盆架31设置延伸部3121以及在延伸部3121上装配一体结构的柔性电路板34，柔性电路板34和磁轭321上装配围绕磁路系统的透气隔离件35，透气隔离件35的隔离将发声单体3隔开，透气隔离件35与壳体1和盖体2之间形成用于灌装填充吸音材料的第二腔体132，透气隔离件的设置能够高效利用收容空间内的体积，并实现对吸音材料的高效率灌装。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种扬声器箱，包括具有收容空间的壳体、与所述壳体组合装配的盖体以及收容于所述收容空间的发声单体；所述发声单体包括盆架、固定于所述盆架且具有磁轭的磁路系统和具有振膜的振动系统；其特征在于：所述壳体朝向所述收容空间凸出形成间隔件，所述间隔件与所述壳体围设形成第一腔体，所述间隔件设有安装平面，所述盆架包括与所述振膜相连的第一端部和与第一端部相对的第二端部，所述第二端部上设有环绕所述盆架且朝远离所述磁路方向延伸的延伸部，所述延伸部固定于所述安装平面且与所述间隔件密封相连；所述发声单体还包括固设于所述延伸部远离所述安装平面一侧的柔性电路板和呈环状的透气隔离件，所述柔性电路板包括与所述延伸部固定连接的环状固定臂，所述透气隔离件包括与所述环状固定臂相连的第一侧端和与所述第一侧端相对并与所述磁轭抵接的第二侧端以及连接第一侧端和第二侧端并围绕所述磁路系统的第一侧壁；所述透气隔离件与所述壳体以及盖体之间形成第二腔体，所述第二腔体内填充吸音材料。
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述延伸部与所述盆架一体成型。
  3. 根据权利要求1所述的扬声器箱，其特征在于，所述透气隔离件的第二侧端环绕所述磁轭并与之相连。
  4. 根据权利要求1所述的扬声器箱，其特征在于，所述透气隔离件为网状结构。
  5. 根据权利要求4所述的扬声器箱，其特征在于，所述透气隔离件为立体网布。
  6. 根据权利要求1所述的扬声器箱，其特征在于，所述第二端部面向所述柔性电路板的端面与所述延伸部面向所述柔性电路板的端面平齐。
  7. 根据权利要求1所述的扬声器箱，其特征在于，所述柔性电路板还包括自所述环状固定臂向远离所述磁路系统延伸的电连接部和自所述环状固定臂向靠近所述磁路系统延伸的电接触端子。
  8. 根据权利要求1所述的扬声器箱，其特征在于，所述第一腔体内还设有与所述振膜抵接的支撑台阶。
  9. 根据权利要求1所述的扬声器箱，其特征在于，所述振膜与所述壳体之间形成的发声前腔，所述壳体包括与所述振膜平行的底壁和自底部延伸而出的侧壁，在所述侧壁上设有与所述发声前腔导通的出声孔。
  10. 根据权利要求3所述的扬声器箱，其特征在于，所述盖体包括贯穿其上的通孔，所述透气隔离件的第二侧端和所述磁轭位于所述通孔内，所述透气隔离件的第一侧壁的部分与所述通孔内壁相抵接。
PCT/CN2020/100930 2020-07-08 2020-07-08 扬声器箱 WO2022006793A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105916081A (zh) * 2016-05-05 2016-08-31 歌尔声学股份有限公司 一种扬声器模组
CN106851498A (zh) * 2017-01-12 2017-06-13 瑞声科技(新加坡)有限公司 扬声器箱
CN107613415A (zh) * 2017-08-02 2018-01-19 瑞声科技(新加坡)有限公司 扬声器箱
US20190335257A1 (en) * 2016-06-16 2019-10-31 Goertek Inc. Speaker module
CN209731559U (zh) * 2019-05-06 2019-12-03 歌尔科技有限公司 一种扬声器模组

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105916081A (zh) * 2016-05-05 2016-08-31 歌尔声学股份有限公司 一种扬声器模组
US20190335257A1 (en) * 2016-06-16 2019-10-31 Goertek Inc. Speaker module
CN106851498A (zh) * 2017-01-12 2017-06-13 瑞声科技(新加坡)有限公司 扬声器箱
CN107613415A (zh) * 2017-08-02 2018-01-19 瑞声科技(新加坡)有限公司 扬声器箱
CN209731559U (zh) * 2019-05-06 2019-12-03 歌尔科技有限公司 一种扬声器模组

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