WO2022110412A1 - 扬声器箱及电子设备 - Google Patents

扬声器箱及电子设备 Download PDF

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Publication number
WO2022110412A1
WO2022110412A1 PCT/CN2020/138239 CN2020138239W WO2022110412A1 WO 2022110412 A1 WO2022110412 A1 WO 2022110412A1 CN 2020138239 W CN2020138239 W CN 2020138239W WO 2022110412 A1 WO2022110412 A1 WO 2022110412A1
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WO
WIPO (PCT)
Prior art keywords
positioning
sound
main body
top plate
speaker box
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PCT/CN2020/138239
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English (en)
French (fr)
Inventor
肖目舒
吴树文
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声光电科技(常州)有限公司
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Publication of WO2022110412A1 publication Critical patent/WO2022110412A1/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein

Definitions

  • the utility model belongs to the technical field of sound-emitting devices, in particular to a speaker box and electronic equipment.
  • a speaker is a sound-emitting device commonly used in electronic devices, such as mobile phones, tablet computers, learning machines, MP4, and so on.
  • electronic devices such as mobile phones, tablet computers, learning machines, MP4, and so on.
  • loudspeaker that uses a metal casing.
  • the purpose of the utility model is to provide a speaker box and electronic equipment, which can stably and reliably realize positioning and fastening with the electronic equipment, and is easier to apply.
  • a speaker box is provided, which is applied to a mobile terminal, the mobile terminal has a support member for supporting and fixing the speaker box, and the speaker box includes a housing with an accommodation space and a a sound-generating unit in the housing, a front sound cavity is formed between the housing and the sound-generating unit, and a sound outlet hole communicated with the front sound cavity is opened on the housing;
  • the housing includes a bottom case fixed on the support member, and a metal top plate covered on the bottom case and enclosing the receiving space with the bottom case
  • the bottom case includes a metal top plate opposite to the metal top plate and a bottom wall arranged at intervals and a side wall bent and extended from the periphery of the bottom wall toward the metal top plate
  • the metal top plate includes a main body covering an end of the side wall away from the bottom wall and a main body extending from the main body
  • a positioning support foot extending outward, the positioning support foot is correspondingly connected with the support piece, and a positioning gap is formed on the positioning support foot.
  • a positioning block is formed on the support member corresponding to the positioning leg, and the positioning leg is bent and extended from the main body toward the bottom wall and is located on a side of the side wall away from the sounding unit.
  • the positioning notch extends inward from the outer edge of the positioning leg, and the width of the positioning notch increases from the outer edge of the positioning leg toward the direction close to the sound-emitting unit.
  • the sound outlet hole is opened on the side wall, the main body is rectangular, and the positioning feet are formed on at least two adjacent sides of the main body.
  • At least one of the positioning feet is located on a side of the main body away from the sound outlet.
  • the positioning support includes a connecting plate connected with the main body, a middle plate formed by bending and extending from the connecting plate along the side wall, and a side facing away from the connecting plate from the middle plate.
  • a support leg plate formed by bending and extending in a direction away from the casing, and the positioning notch is opened in the support leg plate.
  • extension direction of the connecting plate is parallel to the extension direction of the support plate.
  • the sound-generating unit is spaced apart from the top plate to form the front acoustic cavity, and the bottom shell is a metal bottom shell.
  • the speaker box further includes a sound guide bracket installed in the casing, the sound guide bracket extends from the metal top plate to the sound outlet hole and is formed with a connection between the front sound cavity and the sound outlet. The sound channel of the hole.
  • an electronic device comprising the speaker box as described above and the support for fixing the speaker box, the support is provided with a positioning boss for supporting the positioning feet, and the positioning The bosses are correspondingly engaged and matched with the positioning notch.
  • the beneficial effect of the utility model is that: when the speaker box is assembled with the electronic equipment, the positioning gaps on the positioning feet can be engaged and matched with the positioning bosses of the supporting parts of the electronic equipment, so that the speaker box and the electronic equipment can be positioned stably and reliably. and tightening for easier application.
  • Fig. 1 is the assembly schematic diagram of the speaker box of the present invention and a support;
  • Fig. 2 is the overall structure schematic diagram of the speaker box of the present invention.
  • FIG. 3 is a schematic cross-sectional view of the speaker box of the present invention in the direction A-A in FIG. 1;
  • FIG. 4 is a schematic diagram of the stereoscopic exploded structure of the casing and the sound guide bracket of the speaker box of the present invention
  • FIG. 5 is an enlarged view of the detail of part A in FIG. 2 .
  • an electronic device including a speaker box 10 and a support 20 for fixing the speaker box 10 , wherein the speaker box 10 includes a housing 1 with an accommodation space and a sound-emitting unit accommodated in the housing 1 2.
  • a front acoustic cavity 100 is formed between the housing 1 and the sound-generating unit 2.
  • the housing 1 is provided with a sound outlet 1121 that communicates with the front acoustic cavity 100;
  • the metal top plate 12 is disposed on the bottom shell 11 and forms a receiving space with the bottom shell 11 .
  • the bottom shell 11 includes a bottom wall 111 opposite to the metal top plate 12 and spaced apart and a side extending from the periphery of the bottom wall 111 toward the metal top plate 12
  • the wall 112 and the metal top plate 12 include a main body 121 covering one end of the side wall 112 away from the bottom wall 111 and a positioning leg 122 extending outward from the main body 121 .
  • Notches 12231; the support 20 is provided with a positioning boss 2011 supporting the positioning legs 122, and the positioning bosses 2011 are correspondingly engaged with the positioning gaps 12231.
  • the positioning notches 12231 on the positioning feet 122 can be engaged and matched with the positioning bosses 2011 of the support member 20 of the electronic equipment, so that the speaker box 10 and the electronic equipment can be positioned and tightened stably and reliably. Solid, easier to apply.
  • a positioning block 201 is formed on the support member 20 corresponding to the positioning legs 122 .
  • the positioning legs 122 are bent and extended from the main body 121 toward the bottom wall 111 and are located on the side of the side wall 112 away from the sounding unit 2 .
  • the support member 20 may be a part of the electronic device housing 1 or the middle frame.
  • the side of the positioning block 201 away from the support member 20 is recessed to form a snap-fit groove 2012 that matches the positioning feet 122 , and the positioning boss 2011 is formed in the snap-fit groove. Therefore, the positioning feet 122 can be inserted into the insertion grooves 2012, and the positioning notches 12231 of the positioning feet 122 can be engaged with the positioning bosses 2011 in the insertion grooves 2012 to ensure connection stability.
  • the support member 20 can form a limit block 202 corresponding to this side, and the limit block 202 can abut against the side of the speaker box 10, so that the speaker box 10 is more stable. Stablize.
  • the positioning support 122 includes a connecting plate 1221 connected to the main body 121 , a middle plate 1222 formed by bending and extending from the connecting plate 1221 along the side wall 112 , and a side of the middle plate 1222 away from the connecting plate 1221 bent in a direction away from the casing 1 .
  • the leg plate 1223 formed by folding and extending, the positioning notch 12231 is opened in the leg plate 1223 ; the extension direction of the connecting plate 1221 is parallel to the extension direction of the leg plate 1223 .
  • the positioning notch 12231 extends inward from the outer edge of the positioning leg 122 and the width of the positioning notch 12231 increases from the outer edge of the positioning leg 122 toward the direction close to the sounding unit 2 .
  • the positioning gap 12231 is a symmetrical structure; the positioning gap 12231 has a gap bottom surface 101 away from the outer edge of the positioning leg 122 and a gap side surface 102 respectively connected to both ends of the gap bottom surface 101.
  • the gap bottom surface 101 and the gap side surface 102 pass through a first arc
  • the transition surface 103 is connected; the notch side surface 102 and the outer edge of the positioning support 122 are connected through the second arc transition surface 104 .
  • the positioning boss 2011 can be inserted into the positioning notch 12231 and can be accurately and stably positioned with the positioning foot 122. It is not easy to detach, and the corners of the positioning notch 12231 are connected through the first arc transition surface 103 and the second arc transition surface 104 respectively, which is smoother, easier and quicker when snap-fitting, and is not easy to damage the positioning notch 12231 And the structure of the positioning boss 2011 is more reliable.
  • the bottom surface 101 of the notch and the side surface 102 of the notch, and the side surface 102 of the notch and the end surface of the positioning leg 122 away from the metal shell 1 can be connected by a transitional slope; in some embodiments, the positioning notch 12231 can be For an asymmetric structure, for example, the length of one side 102 of the notch may be greater than the length of the other side 102 of the notch.
  • the sound outlet 1121 is opened on the side wall 112 , the main body 121 is rectangular, and the positioning legs 122 are formed on at least two adjacent sides of the main body 121 ; Specifically, in this embodiment, one side of the main body 121 away from the sound outlet hole 1121 and the side of the main body 121 adjacent to the side of the sound outlet hole 1121 are respectively provided with a positioning support 122 .
  • the setting can be more stable and reliable in connection with electronic devices.
  • one side of the main body 121 away from the sound outlet 1121 and two sides of the main body 121 adjacent to the side of the sound outlet 1121 may be respectively provided with a positioning support 122 .
  • the sound generating unit 2 is spaced from the top plate to form a front sound cavity 100, and the bottom shell 11 is a metal bottom shell 11; the speaker box 10 also includes a sound guide bracket 3 installed in the shell 1, and the sound guide bracket 3 extends from the metal top plate 12 to the sound outlet.
  • the hole 1121 is formed with a sound guide channel 31 that communicates the front acoustic cavity 100 and the sound outlet hole 1121 .
  • the sound guide bracket 3 is an annular structure
  • the sound generating unit 2 is fixed to the sound guide support 3
  • the sound generating unit 2 , the top plate and the sound guide support 3 are jointly enclosed to form the front acoustic cavity 100 .

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

本实用新型提供了扬声器箱及电子设备。电子设备包括扬声器箱和固定扬声器箱的支撑件，扬声器箱包括壳体以及收容于壳体内的发声单体，壳体与发声单体之间形成有前声腔，壳体开设有与前声腔连通的出声孔；壳体包括固定于支撑件的底壳、以及盖设于底壳并与底壳围成收容空间的金属顶板，底壳包括与金属顶板相对且间隔设置的底壁以及自底壁周缘朝金属顶板弯折延伸的侧壁，金属顶板包括盖设于侧壁远离底壁一端的主体以及自主体向外延伸的定位支脚，定位支脚与支撑件对应连接，定位支脚上开设有定位缺口；支撑件设置有支撑定位支脚的定位凸台，定位凸台对应与定位缺口啮合匹配。本方案扬声器箱与电子设备能实现稳定可靠地定位和紧固，更加易于应用。

Description

扬声器箱及电子设备 技术领域
本实用新型属于发声器件技术领域，尤其涉及扬声器箱及电子设备。
 背景技术
扬声器是一种常用于电子设备的发声器件，例如手机、平板电脑、学习机、MP4等等。在相关技术中，存在一类扬声器采用金属壳体，然而由于其结构及电子设备结构的限制，缺乏与电子设备配合的定位和紧固方式，在电子设备整机中的应用存在局限性。
 技术问题
本实用新型的目的在于提供一种扬声器箱及电子设备，能够稳定可靠地实现与电子设备实现定位和紧固，更加易于应用。
 技术解决方案
本实用新型的技术方案如下：提供一种扬声器箱，应用于移动终端，所述移动终端具有支撑并固定所述扬声器箱的支撑件，所述扬声器箱包括具有收容空间的壳体以及收容于所述壳体内的发声单体，所述壳体与所述发声单体之间形成有前声腔，所述壳体开设有与所述前声腔连通的出声孔；
所述壳体包括固定于所述支撑件的底壳、以及盖设于所述底壳并与所述底壳围成所述收容空间的金属顶板，所述底壳包括与所述金属顶板相对且间隔设置的底壁以及自所述底壁周缘朝所述金属顶板弯折延伸的侧壁，所述金属顶板包括盖设于所述侧壁远离所述底壁一端的主体以及自所述主体向外延伸的定位支脚，所述定位支脚与所述支撑件对应连接，所述定位支脚上开设有定位缺口。
进一步地，所述支撑件对应所述定位支脚形成有定位块，所述定位支脚自所述主体朝所述底壁方向弯折延伸并位于所述侧壁远离所述发声单体的一侧。
进一步地，所述定位缺口自所述定位支脚的外边缘向内延伸且所述定位缺口宽度自所述定位支脚的外边缘向靠近所述发声单体的方向增大。
进一步地，所述出声孔开设于所述侧壁，所述主体呈矩形，所述定位支脚至少形成于所述主体的相邻两侧。
进一步地，至少一个所述定位支脚位于所述主体远离所述出声孔的一侧。
进一步地，所述定位支脚包括与所述主体相连的连接板、自所述连接板沿所述侧壁弯折延伸形成的中间板及自所述中间板的远离所述连接板的一侧朝远离所述壳体的方向弯折延伸形成的支脚板，所述定位缺口开设于所述支脚板。
进一步地，所述连接板的延伸方向平行于所述支脚板的延伸方向。
进一步地，所述发声单体与所述顶板间隔形成所述前声腔，所述底壳为金属底壳。
进一步地，所述扬声器箱还包括安装于所述壳体内的导声支架，所述导声支架自所述金属顶板延伸至所述出声孔并形成有连通所述前声腔与所述出声孔的导声通道。
进一步地，提供一种电子设备，包括如上任一种所述的扬声器箱和固定所述扬声器箱的所述支撑件，所述支撑件设置有支撑所述定位支脚的定位凸台，所述定位凸台对应与所述定位缺口啮合匹配。
 有益效果
本实用新型的有益效果在于：扬声器箱与电子设备装配时，定位支脚上的定位缺口可以与电子设备的支撑件的定位凸台啮合匹配，从而使扬声器箱与电子设备之间实现稳定可靠地定位和紧固，更加易于应用。
 附图说明
图1为本实用新型的扬声器箱与支撑件的装配示意图；
图2为本实用新型扬声器箱的整体结构示意图；
图3为本实用新型扬声器箱在图1中A-A方向的剖面示意图；
图4为本实用新型扬声器箱的壳体和导声支架的立体分解结构示意图；
图5为图2中A部细节的放大图。
 本发明的实施方式
下面结合附图和实施方式对本实用新型作进一步说明。
结合图1-5，提供一种电子设备，包括扬声器箱10和固定扬声器箱10的支撑件20，其中，扬声器箱10包括具有收容空间的壳体1以及收容于壳体1内的发声单体2，壳体1与发声单体2之间形成有前声腔100，壳体1开设有与前声腔100连通的出声孔1121；壳体1包括固定于支撑件20的底壳11、以及盖设于底壳11并与底壳11围成收容空间的金属顶板12，底壳11包括与金属顶板12相对且间隔设置的底壁111以及自底壁111周缘朝金属顶板12弯折延伸的侧壁112，金属顶板12包括盖设于侧壁112远离底壁111一端的主体121以及自主体121向外延伸的定位支脚122，定位支脚122与支撑件20对应连接，定位支脚122上开设有定位缺口12231；支撑件20设置有支撑定位支脚122的定位凸台2011，定位凸台2011对应与定位缺口12231啮合匹配。
扬声器箱10与电子设备装配时，定位支脚122上的定位缺口12231可以与电子设备的支撑件20的定位凸台2011啮合匹配，从而使扬声器箱10与电子设备之间实现稳定可靠地定位和紧固，更加易于应用。
支撑件20对应定位支脚122形成有定位块201，定位支脚122自主体121朝底壁111方向弯折延伸并位于侧壁112远离发声单体2的一侧。具体的，支撑件20可以是电子设备壳体1或者中框的一部分，定位块201的远离支撑件20侧凹陷形成与定位支脚122匹配的卡嵌槽2012，定位凸台2011形成于卡嵌槽2012内，因此，定位支脚122可以卡嵌于卡嵌槽2012内，并且，定位支脚122的定位缺口12231可以与卡嵌槽2012内的定位凸台2011啮合匹配，以保证连接稳定性。进一步地，对于扬声器箱10未设置定位支脚122的一侧，支撑件20对应于该侧可以形成限位块202，限位块202可以抵顶于扬声器箱10的该侧，使得扬声器箱10更加稳定。
定位支脚122包括与主体121相连的连接板1221、自连接板1221沿侧壁112弯折延伸形成的中间板1222及自中间板1222的远离连接板1221的一侧朝远离壳体1的方向弯折延伸形成的支脚板1223，定位缺口12231开设于支脚板1223；连接板1221的延伸方向平行于支脚板1223的延伸方向。
定位缺口12231自定位支脚122的外边缘向内延伸且定位缺口12231宽度自定位支脚122的外边缘向靠近发声单体2的方向增大。定位缺口12231为对称结构；定位缺口12231具有远离定位支脚122的外边缘的缺口底面101及分别连接于缺口底面101的两端的缺口侧面102，缺口底面101和缺口侧面102之间通过第一圆弧过渡面103相连；缺口侧面102和定位支脚122的外边缘通过第二圆弧过渡面104相连。由于定位缺口12231的开口处的宽度小于定位缺口12231内部的宽度，且定位凸台2011与定位缺口12231匹配，定位凸台2011卡嵌于定位缺口12231内之后可以与定位支脚122定位准确而稳定，不易脱离，并且，定位缺口12231的角部位置分别通过第一圆弧过渡面103和第二圆弧过渡面104相连，更为平滑，卡嵌配合时更加容易快捷，且不容易损坏定位缺口12231和定位凸台2011的结构，更为可靠。在一些实施例中，缺口底面101和缺口侧面102之间、缺口侧面102和定位支脚122的远离金属壳体1的端面之间均可以通过斜面过渡连接；在一些实施例中，定位缺口12231可以为非对称结构，例如一缺口侧面102的长度可以大于另一缺口侧面102的长度。
出声孔1121开设于侧壁112，主体121呈矩形，定位支脚122至少形成于主体121的相邻两侧；至少一个定位支脚122位于主体121远离出声孔1121的一侧。具体的，在本实施例中，主体121远离出声孔1121的一侧及主体121与出声孔1121一侧相邻的一侧分别设置一个定位支脚122，两个不同方向的定位支脚122的设置可以与电子设备连接更加稳定牢靠。在一些实施例中，主体121远离出声孔1121的一侧及主体121与出声孔1121一侧相邻的两侧可以分别设置一个定位支脚122。
发声单体2与顶板间隔形成前声腔100，底壳11为金属底壳11；扬声器箱10还包括安装于壳体1内的导声支架3，导声支架3自金属顶板12延伸至出声孔1121并形成有连通前声腔100与出声孔1121的导声通道31。具体的，导声支架3为环形结构，发声单体2固定与导声支架3，发声单体2、顶板和导声支架3共同围合形成前声腔100。
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，应用于移动终端，所述移动终端具有支撑并固定所述扬声器箱的支撑件，其特征在于，所述扬声器箱包括具有收容空间的壳体以及收容于所述壳体内的发声单体，所述壳体与所述发声单体之间形成有前声腔，所述壳体开设有与所述前声腔连通的出声孔；
    所述壳体包括固定于所述支撑件的底壳、以及盖设于所述底壳并与所述底壳围成所述收容空间的金属顶板，所述底壳包括与所述金属顶板相对且间隔设置的底壁以及自所述底壁周缘朝所述金属顶板弯折延伸的侧壁，所述金属顶板包括盖设于所述侧壁远离所述底壁一端的主体以及自所述主体向外延伸的定位支脚，所述定位支脚与所述支撑件对应连接，所述定位支脚上开设有定位缺口。
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述支撑件对应所述定位支脚形成有定位块，所述定位支脚自所述主体朝所述底壁方向弯折延伸并位于所述侧壁远离所述发声单体的一侧。
  3. 根据权利要求2所述的扬声器箱，其特征在于，所述定位缺口自所述定位支脚的外边缘向内延伸且所述定位缺口宽度自所述定位支脚的外边缘向靠近所述发声单体的方向增大。
  4. 根据权利要求3所述的扬声器箱，其特征在于，所述出声孔开设于所述侧壁，所述主体呈矩形，所述定位支脚至少形成于所述主体的相邻两侧。
  5. 根据权利要求4所述的扬声器箱，其特征在于，至少一个所述定位支脚位于所述主体远离所述出声孔的一侧。
  6. 根据权利要求1-5中任意一项所述的扬声器箱，其特征在于，所述定位支脚包括与所述主体相连的连接板、自所述连接板沿所述侧壁弯折延伸形成的中间板及自所述中间板的远离所述连接板的一侧朝远离所述壳体的方向弯折延伸形成的支脚板，所述定位缺口开设于所述支脚板。
  7. 根据权利要求6所述的扬声器箱，其特征在于，所述连接板的延伸方向平行于所述支脚板的延伸方向。
  8. 根据权利要求6所述的扬声器箱，其特征在于，所述发声单体与所述顶板间隔形成所述前声腔，所述底壳为金属底壳。
  9. 根据权利要求1所述的扬声器箱，其特征在于，所述扬声器箱还包括安装于所述壳体内的导声支架，所述导声支架自所述金属顶板延伸至所述出声孔并形成有连通所述前声腔与所述出声孔的导声通道。
  10. 一种电子设备，其特征在于，包括如权利要求1-9任一项所述的扬声器箱和固定所述扬声器箱的所述支撑件，所述支撑件设置有支撑所述定位支脚的定位凸台，所述定位凸台对应与所述定位缺口啮合匹配。
PCT/CN2020/138239 2020-11-30 2020-12-22 扬声器箱及电子设备 WO2022110412A1 (zh)

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CN208638703U (zh) * 2018-08-10 2019-03-22 瑞声科技(新加坡)有限公司 扬声器箱
CN210093535U (zh) * 2019-07-22 2020-02-18 瑞声科技(新加坡)有限公司 扬声器装置及具有该扬声器装置的移动终端

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111905A (en) * 1989-11-30 1992-05-12 Rogersound Labs, Inc. Speaker enclosure
CN1653848A (zh) * 2002-03-15 2005-08-10 夏普株式会社 低音频反射型扬声器装置、扬声器装置的安装结构以及安装方法
CN107040830A (zh) * 2017-05-19 2017-08-11 青岛海信电器股份有限公司 一种扬声器安装支架
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CN210093535U (zh) * 2019-07-22 2020-02-18 瑞声科技(新加坡)有限公司 扬声器装置及具有该扬声器装置的移动终端

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