WO2022067986A1 - 发声器件 - Google Patents

发声器件 Download PDF

Info

Publication number
WO2022067986A1
WO2022067986A1 PCT/CN2020/128278 CN2020128278W WO2022067986A1 WO 2022067986 A1 WO2022067986 A1 WO 2022067986A1 CN 2020128278 W CN2020128278 W CN 2020128278W WO 2022067986 A1 WO2022067986 A1 WO 2022067986A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound
voice coil
skeleton
diaphragm
magnetic
Prior art date
Application number
PCT/CN2020/128278
Other languages
English (en)
French (fr)
Inventor
宋威
令狐荣林
肖波
孔晨亮
章统
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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
Publication of WO2022067986A1 publication Critical patent/WO2022067986A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • 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
    • H04R9/06—Loudspeakers

Definitions

  • the utility model relates to the field of electro-acoustic conversion, in particular to a sound-emitting device used in electronic sound box products.
  • Sound-emitting devices also known as speakers or horns, are used in speakers to convert audio signals into sound for playback.
  • the sound-generating device of the related art includes a vibration system for vibrating and sounding, and a magnetic circuit system that drives the vibration system to vibrate and sound and has a magnetic gap.
  • the vibration system includes a vibrating membrane, inserted in the magnetic gap and driving the vibration.
  • the diaphragm vibrates a voice coil that produces sound and a skeleton connecting the voice coil and the diaphragm.
  • the present invention provides a sound-generating device, which includes a vibration system for vibrating and sounding, and a magnetic circuit system that drives the vibration system to vibrate and sound and has a magnetic gap.
  • a voice coil that is installed in the magnetic gap and drives the vibrating membrane to vibrate and sound
  • a skeleton that connects the voice coil and the vibrating membrane
  • the skeleton connecting arm includes a convex portion formed by protruding from the end of the skeleton body away from the vibrating film toward the magnetic circuit system, and the end of the convex portion away from the skeleton body along the sound.
  • the outer side of the ring is bent and extended toward the first extension portion close to the diaphragm, and a second extension portion is bent and extended from the end of the first extension portion away from the raised portion, and the second extension portion abuts being fixed on the side of the voice coil close to the diaphragm, the protruding part and the first extension part are abutted and fixed on the side of the voice coil close to the skeleton at the same time.
  • the voice coil has a racetrack-shaped structure with rounded corners
  • the frame connecting arms include four and each of the frame connecting arms is connected to the rounded corners of the voice coil.
  • each of the second extension parts of the frame connecting arm includes two and is symmetrically arranged with respect to the first extension part.
  • the orthographic projection of the second extension portion to the voice coil along the vibration direction of the diaphragm completely falls within the range of the voice coil.
  • the vibrating membrane includes a ring-shaped vibrating portion, an outer fold extending from the outer periphery of the vibrating portion, and an inner fold extending from the inner periphery of the vibrating portion, and the inner fold is far away from the vibrating portion.
  • One side of the vibration part is fixed to the magnetic circuit system, and the frame body is fixed to the side of the vibration part close to the voice coil.
  • the magnetic circuit system includes a magnetic yoke fixed to the basin frame, a main magnetic steel unit fixed to the magnetic yoke, and arranged at intervals on the periphery of the main magnetic steel unit and together with the main magnetic steel unit.
  • a secondary magnetic steel unit forming a magnetic gap and a magnetic bowl covered on the main magnetic steel unit, the peripheral side of the magnetic bowl is abutted and fixed on the secondary magnetic steel unit, and the inner fold is away from the vibrating part one side is fixed to the magnetic bowl.
  • the sound-generating device further includes an auxiliary diaphragm assembly fixed to the frame body and the side of the basin frame close to the magnetic circuit system at the same time.
  • Fig. 1 is the stereoscopic structure schematic diagram of the sound-emitting device of the present invention
  • FIG. 2 is an exploded view of a partial three-dimensional structure of the sound-emitting device of the present invention
  • FIG. 3 is a cross-sectional view of the sound-emitting device of the present invention.
  • FIG. 4 is a schematic diagram of the assembly structure of the skeleton of the sound-emitting device and the voice coil of the present invention
  • the present invention provides a sound-generating device 100, which includes a basin frame 1, a vibration system 2 supported and fixed on the basin frame 1, and a vibration system 2 that drives the vibration system 2 to vibrate and emit sound and has a magnetic gap 30 of the magnetic circuit system 3.
  • the vibration system 2 may also be fixed to the magnetic circuit system 3 , and is not limited to being fixed to the basin frame 1 .
  • One end of the frame 23 is connected to the ball diaphragm 21 , and the other end of the frame 23 is connected to the voice coil 22 .
  • the frame 23 includes a frame body 231 attached to the side of the diaphragm 21 close to the voice coil 22 , and the end of the frame body 231 away from the diaphragm 21 is bent toward the magnetic gap 30 .
  • the frame body 231 is folded and extended and connected to the frame connecting arm 232 of the voice coil 22 , and the frame body 231 is fixed to the side of the vibration part 211 close to the voice coil 22 .
  • the frame connecting arm 232 and the voice coil 22 are glued and fixed.
  • the skeleton 23 is added with a skeleton connecting arm 232 connected to the voice coil 22, and further, a raised portion 2321 is added, that is, the gluing area between the voice coil 22 and the skeleton 23 is increased, and the combination of the voice coil 22 and the skeleton 23 is increased. It can improve the bonding strength between the skeleton 23 and the voice coil 22, which can improve the problem of separation of the voice coil 22 and the skeleton 23 when the sound generating device 100 vibrates and emits sound with high power, and has better reliability.
  • the frame body 231 is annular, and the frame connecting arms 232 include a plurality of and are symmetrically arranged on the inner side of the frame body 231 .
  • the frame connecting arms 232 include four and each of the frame connecting arms 232 is connected to the fillet of the voice coil 22 ; the second extending portion 2323 of each of the frame connecting arms 232 includes The two are arranged symmetrically with respect to the first extension portion 2322 .
  • the orthographic projection of the second extension portion 2323 along the vibration direction of the diaphragm 21 to the voice coil 22 completely falls within the range of the voice coil 22 , that is, in the case of ensuring the glued area of the voice coil 22 and the skeleton 23 Therefore, the material and volume of the skeleton connecting arm 232 are reduced, the cost is reduced, and the space utilization rate is better.
  • the auxiliary diaphragm assembly 24 is fixed to the frame body 231 and the side of the basin frame 1 close to the magnetic circuit system 3 at the same time.
  • the magnetic circuit system 3 includes a magnetic yoke 31 fixed to the basin frame 1 , a main magnetic steel unit 32 fixed to the magnetic yoke 31 , a main magnetic steel unit 32 arranged at intervals around the main magnetic steel unit 32 and connected to the main magnetic steel.
  • the units 32 together form the secondary magnetic steel unit 33 of the magnetic gap 30 and the magnetic bowl 34 covered on the main magnetic steel unit 32.
  • the peripheral side of the magnetic bowl 34 is abutted and fixed to the secondary magnetic steel unit 33, A side of the inner ring 213 away from the vibrating portion 211 is fixed to the magnetic bowl 34 .
  • the skeleton connecting arm 232 extends through the gap between the magnetic bowl 34 and the secondary magnetic steel unit 33 to the magnetic gap 30 and is connected to the voice coil 22 in turn.
  • the skeleton connecting arm includes a protruding portion formed by the end of the skeleton body away from the vibrating membrane protruding toward the magnetic circuit system, and the One end of the protruding portion away from the skeleton body is extended along the outer side of the voice coil and is close to the first extension portion bent and extended by the diaphragm, and the end of the first extension portion away from the protruding portion is bent and extended the second extension part, the second extension part is abutted and fixed on the side of the voice coil close to the diaphragm, the convex part and the first extension part are abutted and fixed on the voice coil at the same time It is close to the side of the skeleton; that is, adding a raised part increases the gluing area of the voice coil and the skeleton, improves the bonding force between the voice coil and the skeleton, and enhances the bonding strength of the skeleton and the voice coil, which can

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

本实用新型提供了一种发声器件，其包括用于振动发声的振动***以及驱动振动***振动发声且具有磁间隙的磁路***，振动***包括振膜、插设于磁间隙并驱动振膜振动发声的音圈以及将音圈和振膜连接的骨架，骨架包括骨架本体、由骨架本体弯折延伸的骨架连接臂；骨架连接臂包括由骨架本体远离振膜的一端向靠近磁路***凸出形成的凸起部、由凸起部远离骨架本体的一端沿音圈的外侧向靠近振膜弯折延伸的第一延伸部以及由第一延伸部远离凸起部的一端弯折延伸的第二延伸部，第二延伸部抵接固定于音圈靠近振膜的一侧，凸起部和第一延伸部同时抵接固定于音圈靠近骨架的一侧。与相关技术相比，本实用新型的发声器件可靠性更好。

Description

发声器件 技术领域
本实用新型涉及电声转换领域，尤其涉及一种运用于电子音箱产品的发声器件。
背景技术
发声器件又名扬声器或喇叭，运用于音箱中实现将音频信号转化为声音播放。
相关技术的发声器件包括用于振动发声的振动***以及驱动所述振动***振动发声且具有磁间隙的磁路***，所述振动***包括振膜、插设于所述磁间隙并驱动所述振膜振动发声的音圈以及将所述音圈和所述振膜连接的骨架。
然而，相关技术的发声器件中，所述音圈与所述骨架的胶合面积较小，导致发声器件大功率振动发声下，其音圈和骨架易分离，可靠性不好。
因此，实有必要提供一种新的发声器件解决上述技术问题。
 技术问题
本实用新型的目的在于提供一种可靠性更好的发声器件。
 技术解决方案
为了达到上述目的，本实用新型提供了一种发声器件，其包括用于振动发声的振动***以及驱动所述振动***振动发声且具有磁间隙的磁路***，所述振动***包括振膜、插设于所述磁间隙并驱动所述振膜振动发声的音圈以及将所述音圈和所述振膜连接的骨架，
所述骨架包括贴合于所述振膜靠近所述音圈一侧的骨架本体、由所述骨架本体远离所述振膜的一端向所述磁间隙弯折延伸且连接于所述音圈的骨架连接臂；
所述骨架连接臂包括由所述骨架本体远离所述振膜的一端向靠近所述磁路***凸出形成的凸起部、由所述凸起部远离所述骨架本体的一端沿所述音圈的外侧向靠近所述振膜弯折延伸的第一延伸部以及由所述第一延伸部远离所述凸起部的一端弯折延伸的第二延伸部，所述第二延伸部抵接固定于所述音圈靠近所述振膜的一侧，所述凸起部和所述第一延伸部同时抵接固定于所述音圈靠近所述骨架的一侧。
优选的，所述骨架本体呈环状，所述骨架连接臂包括多个且等相互对称设置于所述骨架本体的内侧。
优选的，所述音圈呈带圆角的跑道型结构，所述骨架连接臂包括四个且每一所述骨架连接臂连接于所述音圈的圆角处。
优选的，每一所述骨架连接臂的所述第二延伸部包括两个且关于所述第一延伸部呈对称设置。
优选的，所述第二延伸部沿所述振膜的振动方向向所述音圈的正投影完全落入所述音圈范围内。
优选的，所述骨架本体包括贯穿其上的多个通孔。
优选的，所述振膜包括呈环状的振动部、由所述振动部外周缘弯折延伸的外折环以及由所述振动部内周缘弯折延伸的内折环，所述内折环远离所述振动部的一侧固定于所述磁路***，所述骨架本体固定于所述振动部靠近所述音圈的一侧。
优选的，所述发声器件还包括用于支撑固定所述磁路***和所述振动***的盆架，所述外折环远离所述振动部的一侧固定于所述盆架。
优选的，所述磁路***包括固定于盆架的磁轭、固定于所述磁轭的主磁钢单元、间隔设置于所述主磁钢单元周侧并与所述主磁钢单元共同围成磁间隙的副磁钢单元以及盖设于所述主磁钢单元的磁碗，所述磁碗的周侧抵接固定于所述副磁钢单元，所述内折环远离所述振动部的一侧固定于所述磁碗。
优选的，所述发声器件还包括同时固定于所述骨架本体和所述盆架靠近所述磁路***一侧的辅助振膜组件。
 附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本实用新型发声器件的立体结构示意图；
图2为本实用新型发声器件的部分立体结构分解图；
图3为本实用新型发声器件的剖示图；
图4为本实用新型发声器件的骨架以及音圈的装配结构示意图；
图5为本实用新型发声器件的骨架的立体结构示意图。
 本发明的实施方式
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。
请同时参阅图1-5，本实用新型提供了一种发声器件100，其包括盆架1、支撑固定于所述盆架1的振动***2和驱动所述振动***2振动发声且具有磁间隙30的磁路***3。需要说明的是，振动***2也可以固定于磁路***3，并不限于固定于盆架1。
所述振动***2用于振动发声，其包括振膜21、插设于所述磁间隙30的且呈带圆角的跑道型结构用以驱动所述振膜21振动发声的音圈22、骨架23以及辅助振膜组件24。
所述振膜21包括呈环状的振动部211、由所述振动部211外周缘弯折延伸的外折环212以及由所述振动部211内周缘弯折延伸的内折环213，所述内折环213远离所述振动部211的一侧固定于所述磁路***3，所述外折环212远离所述振动部211的一侧固定于所述盆架1。
所述骨架23一端与所述球振膜21连接，所述骨架23的另一端与所述音圈22连接。
具体的，所述骨架23包括贴合于所述振膜21靠近所述音圈22一侧的骨架本体231、由所述骨架本体231远离所述振膜21的一端向所述磁间隙30弯折延伸且连接于所述音圈22的骨架连接臂232，所述骨架本体231固定于所述振动部211靠近所述音圈22的一侧。
所述骨架连接臂232包括由所述骨架本体231远离所述振膜21的一端向靠近所述磁路***3凸出形成的凸起部2321、由所述凸起部2321远离所述骨架本体231的一端沿所述音圈22的外侧向靠近所述振膜21弯折延伸的第一延伸部2322以及由所述第一延伸部2322远离所述凸起部2321的一端弯折延伸的第二延伸部2323，所述第二延伸部2323抵接固定于所述音圈22靠近所述振膜21的一侧，所述凸起部2321和所述第一延伸部2322同时抵接固定于所述音圈22靠近所述骨架23的一侧；所述骨架本体231包括贯穿其上的多个通孔2310以平衡气压。
本实施例中，所述骨架连接臂232与所述音圈22胶合固定。所述骨架23增加了与所述音圈22连接的骨架连接臂232，进一步的，增加了凸起部2321，即增加了音圈22和骨架23的胶合区域，提升音圈22和骨架23结合力，增强骨架23和音圈22的粘接强度，可以改善发声器件100大功率振动发声下音圈22和骨架23分离的问题，可靠性更好。
具体的，所述骨架本体231呈环状，所述骨架连接臂232包括多个且等相互对称设置于所述骨架本体231的内侧。优选的，所述骨架连接臂232包括四个且每一所述骨架连接臂232连接于所述音圈22的圆角处；每一所述骨架连接臂232的所述第二延伸部2323包括两个且关于所述第一延伸部2322呈对称设置。
所述第二延伸部2323沿所述振膜21的振动方向向所述音圈22的正投影完全落入所述音圈22范围内，即在保证音圈22和骨架23的打胶区域情况下，减少骨架连接臂232的用料和体积，成本降低，空间利用率更好。
辅助振膜组件24同时固定于所述骨架本体231和所述盆架1靠近所述磁路***3一侧。
所述磁路***3包括固定于盆架1的磁轭31、固定于所述磁轭31的主磁钢单元32、间隔设置于所述主磁钢单元32周侧并与所述主磁钢单元32共同围成磁间隙30的副磁钢单元33以及盖设于所述主磁钢单元32的磁碗34，所述磁碗34的周侧抵接固定于所述副磁钢单元33，所述内折环213远离所述振动部211的一侧固定于所述磁碗34。，所述骨架连接臂232依次经磁碗34和副磁钢单元33的间隙延伸至磁间隙30与音圈22连接。
与相关技术相比，本实用新型的发声器件中，所述骨架连接臂包括由所述骨架本体远离所述振膜的一端向靠近所述磁路***凸出形成的凸起部、由所述凸起部远离所述骨架本体的一端沿所述音圈的外侧向靠近所述振膜弯折延伸的第一延伸部以及由所述第一延伸部远离所述凸起部的一端弯折延伸的第二延伸部，所述第二延伸部抵接固定于所述音圈靠近所述振膜的一侧，所述凸起部和所述第一延伸部同时抵接固定于所述音圈靠近所述骨架的一侧；即增设凸起部，增加了音圈和骨架的胶合区域，提升音圈和骨架结合力，增强骨架和音圈的粘接强度，可以改善发声器件大功率振动发声下音圈骨架分离的问题，可靠性更好。
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. 一种发声器件，其包括用于振动发声的振动***以及驱动所述振动***振动发声且具有磁间隙的磁路***，所述振动***包括振膜、插设于所述磁间隙并驱动所述振膜振动发声的音圈以及将所述音圈和所述振膜连接的骨架，其特征在于，
    所述骨架包括贴合于所述振膜靠近所述音圈一侧的骨架本体、由所述骨架本体远离所述振膜的一端向所述磁间隙弯折延伸且连接于所述音圈的骨架连接臂；
    所述骨架连接臂包括由所述骨架本体远离所述振膜的一端向靠近所述磁路***凸出形成的凸起部、由所述凸起部远离所述骨架本体的一端沿所述音圈的外侧向靠近所述振膜弯折延伸的第一延伸部以及由所述第一延伸部远离所述凸起部的一端弯折延伸的第二延伸部，所述第二延伸部抵接固定于所述音圈靠近所述振膜的一侧，所述凸起部和所述第一延伸部同时抵接固定于所述音圈靠近所述骨架的一侧。
  2. 根据权利要求1所述的发声器件，其特征在于，所述骨架本体呈环状，所述骨架连接臂包括多个且等相互对称设置于所述骨架本体的内侧。
  3. 根据权利要求2所述的发声器件，其特征在于，所述音圈呈带圆角的跑道型结构，所述骨架连接臂包括四个且每一所述骨架连接臂连接于所述音圈的圆角处。
  4. 根据权利要求2所述的发声器件，其特征在于，每一所述骨架连接臂的所述第二延伸部包括两个且关于所述第一延伸部呈对称设置。
  5. 根据权利要求4所述的发声器件，其特征在于，所述第二延伸部沿所述振膜的振动方向向所述音圈的正投影完全落入所述音圈范围内。
  6. 根据权利要求1所述的发声器件，其特征在于，所述骨架本体包括贯穿其上的多个通孔。
  7. 根据权利要求1所述的发声器件，其特征在于，所述振膜包括呈环状的振动部、由所述振动部外周缘弯折延伸的外折环以及由所述振动部内周缘弯折延伸的内折环，所述内折环远离所述振动部的一侧固定于所述磁路***，所述骨架本体固定于所述振动部靠近所述音圈的一侧。
  8. 根据权利要求7所述的发声器件，其特征在于，所述发声器件还包括用于支撑固定所述磁路***和所述振动***的盆架，所述外折环远离所述振动部的一侧固定于所述盆架。
  9. 根据权利要求8所述的发声器件，其特征在于，所述磁路***包括固定于盆架的磁轭、固定于所述磁轭的主磁钢单元、间隔设置于所述主磁钢单元周侧并与所述主磁钢单元共同围成磁间隙的副磁钢单元以及盖设于所述主磁钢单元的磁碗，所述磁碗的周侧抵接固定于所述副磁钢单元，所述内折环远离所述振动部的一侧固定于所述磁碗。
  10. 根据权利要求8所述的发声器件，其特征在于，所述发声器件还包括同时固定于所述骨架本体和所述盆架靠近所述磁路***一侧的辅助振膜组件。
PCT/CN2020/128278 2020-09-30 2020-11-12 发声器件 WO2022067986A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202022219125.7U CN213462267U (zh) 2020-09-30 2020-09-30 发声器件
CN202022219125.7 2020-09-30

Publications (1)

Publication Number Publication Date
WO2022067986A1 true WO2022067986A1 (zh) 2022-04-07

Family

ID=76286782

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/128278 WO2022067986A1 (zh) 2020-09-30 2020-11-12 发声器件

Country Status (2)

Country Link
CN (1) CN213462267U (zh)
WO (1) WO2022067986A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117915248B (zh) * 2024-03-20 2024-05-14 瑞声光电科技(常州)有限公司 一种发声装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208112933U (zh) * 2018-04-25 2018-11-16 歌尔科技有限公司 发声装置以及电子设备
CN210641017U (zh) * 2019-10-11 2020-05-29 瑞声科技(新加坡)有限公司 发声器件
CN210899594U (zh) * 2019-11-25 2020-06-30 深圳市信维声学科技有限公司 支撑骨架及微型扬声器
US20200213765A1 (en) * 2018-12-30 2020-07-02 AAC Technologies Pte. Ltd. Sound Generator
CN111641906A (zh) * 2020-06-24 2020-09-08 瑞声科技(新加坡)有限公司 发声器件

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208112933U (zh) * 2018-04-25 2018-11-16 歌尔科技有限公司 发声装置以及电子设备
US20200213765A1 (en) * 2018-12-30 2020-07-02 AAC Technologies Pte. Ltd. Sound Generator
CN210641017U (zh) * 2019-10-11 2020-05-29 瑞声科技(新加坡)有限公司 发声器件
CN210899594U (zh) * 2019-11-25 2020-06-30 深圳市信维声学科技有限公司 支撑骨架及微型扬声器
CN111641906A (zh) * 2020-06-24 2020-09-08 瑞声科技(新加坡)有限公司 发声器件

Also Published As

Publication number Publication date
CN213462267U (zh) 2021-06-15

Similar Documents

Publication Publication Date Title
WO2020119239A1 (zh) 扬声器
WO2021097956A1 (zh) 发声器件
WO2017063262A1 (zh) 扬声器
WO2020140544A1 (zh) 发声器件
WO2021232475A1 (zh) 一种扬声器
CN204031442U (zh) 扬声器
WO2022110467A1 (zh) 发声器件
WO2021232454A1 (zh) 一种发声器件
WO2021168935A1 (zh) 发声器件
WO2022067986A1 (zh) 发声器件
CN214708052U (zh) 一种发声器件
WO2024045234A1 (zh) 电路及发声器件
WO2022067991A1 (zh) 发声器件
WO2020140176A1 (zh) 一种扬声器
WO2022062121A1 (zh) 发声器件
WO2022000687A1 (zh) 发声器件
WO2022062122A1 (zh) 发声器件
WO2022067972A1 (zh) 扬声器箱
WO2021128009A1 (zh) 发声器件
WO2022000780A1 (zh) 发声器件
WO2022007170A1 (zh) 发声器件
WO2021237794A1 (zh) 发声器件
CN205912255U (zh) 扬声器
WO2022007175A1 (zh) 发声器件
WO2022067974A1 (zh) 发声器件

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20956005

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20956005

Country of ref document: EP

Kind code of ref document: A1