CN103297900B - Application of the spring plate and the spring plate sounder multifunction - Google Patents

Application of the spring plate and the spring plate sounder multifunction Download PDF

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CN103297900B
CN103297900B CN 201310173535 CN201310173535A CN103297900B CN 103297900 B CN103297900 B CN 103297900B CN 201310173535 CN201310173535 CN 201310173535 CN 201310173535 A CN201310173535 A CN 201310173535A CN 103297900 B CN103297900 B CN 103297900B
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CN 201310173535
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Chinese (zh)
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CN103297900A (en )
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高开艳
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瑞声声学科技(深圳)有限公司
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Abstract

本发明涉及了一种弹簧板及应用该弹簧板的多功能发声器,所述弹簧板包括周缘部和自所述周缘部向内侧延伸的内圈部,所述内圈部包括自周缘部延伸的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到其它元器件上的固定部。 The present invention relates to a spring plate and the spring plate of the multi-function application sounder, said spring plate includes a peripheral portion and the inner portion of the peripheral edge portion extending inwardly from said inner portion comprises a portion extending from the peripheral edge helical deformation portion and the fixing portion located on the other components of the strain for the trailing end portion is fixed to the inner portion. 本发明的目的在于提供一种弹簧板及应用该弹簧板的多功能发声器,应用所述弹簧板的多功能发声器振动更加稳定、可靠性更好。 Object of the present invention is to provide a multi-purpose and application of the spring plates of the sounder plate spring, the spring applying the sounder plate multifunction vibration more stable, and better reliability.

Description

弹簧板及应用该弹簧板的多功能发声器 Application of the spring plate and the spring plate sounder multifunction

【技术领域】 TECHNICAL FIELD

[0001]本发明涉及具有指向性功能的通信领域,尤其涉及一种多功能发声器及其使用方法。 [0001] The present invention relates to the field of communications with directivity function, and particularly to a multifunctional sounder and methods of use.

【背景技术】 【Background technique】

[0002]随着无线通讯的快速发展,全球移动电话越来越多,人们对移动电话的要求不仅仅限于基本通话,对手机的娱乐功能也提出了更多的要求。 [0002] With the rapid development of wireless communication, global mobile phone more and more, people on the mobile phone is not just limited to basic call, the phone's entertainment features are also made more demands. 尤其是3G时代的到来,移动多媒体技术也随之发展,很多移动电话具有多种娱乐功能,如视频播放、数码摄像、游戏、G PS导航等。 Especially in the 3G era, mobile multimedia technology also will be developed, a lot of mobile phones with a variety of entertainment, such as video players, digital cameras, games, G PS navigation. 因此,扬声器在手机中的作用越来越重要,如果移动电话内的扬声器播放的声音的音质不好或者音质不稳定,直接影响人们的娱乐体验。 Therefore, the role of the speaker in the phone more and more important, if not to play in the mobile phone speaker sound quality or sound quality is unstable, a direct impact on people's entertainment experience.

[0003]通常,扬声器作为使得电信号介由音圈在磁路中转换为动能,并在空气中产生疏密波而产生声波的音频设备的一种,广泛使用于手机或各种便携式电子产品中。 [0003] Generally, a speaker such as via electrical signals converted by the voice coil in the magnetic circuit of the kinetic energy, and generate compressional waves in air produce an acoustic audio devices, widely used in mobile phones or various portable electronics in.

[0004]手机之类的便携式电子产品为了通知来电信号或者实现骨导功能等而具备振动模块,而目前为了产品的小型化及节约成本等,广泛开发及使用在扬声器中实现振动功能的多功能扬声器。 [0004] The portable electronic products like mobile phones in order to notify an incoming signal or the like to achieve a bone conduction function comprising a vibration module, and the current for the size and cost, widely used product development and realization of multi-functional vibration function in the loudspeaker speaker.

[0005]这种传统的多功能扬声器内部的振子都靠弹簧板来支撑,在工作时,因为弹簧板的结构缺陷,常常造成振动不够稳定,可靠性不好。 [0005] Such a conventional multi-function speaker inside the vibrator are supported by the spring plate, at work, since the structural defects of the spring plate, often causing vibration is not stable, poor reliability.

[0006]因此,有必要针对上述缺点提供一种新型的弹簧板及应用该弹簧板的多功能发声器。 [0006] Accordingly, there is need to provide a novel application of multifunctional spring plate and the spring plate sounder for the above drawbacks.

【发明内容】 [SUMMARY]

[0007]本发明的目的在于提供一种弹簧板及应用该弹簧板的多功能发声器,应用所述弹簧板的多功能发声器振动更加稳定、可靠性更好。 [0007] The object of the present invention is to provide a multi-purpose and application of the spring plates of the sounder plate spring, the multi-functional application sound vibration plate spring more stable, and better reliability.

[0008] —种弹簧板,所述弹簧板包括周缘部和自所述周缘部向内侧延伸的内圈部,所述内圈部包括自周缘部延伸的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到其它元器件上的固定部。 [0008] - species spring plate, the spring plate includes a peripheral portion and the inner portion of the peripheral edge portion extending inwardly from said inner portion comprises a helical deformation from the periphery extending portion and the tail portion positioned strain an end portion of the inner ring for fixing the fixing portion to the other components.

[0009]优选的,所述形变部包括自所述周缘部由宽至窄的渐变式延伸的第一部分和自所述第一部分由窄至宽的渐变式延伸并连接固定部的第二部分。 [0009] Preferably, the deformable portion includes a tapered portion extending from the first wide to narrow from the circumferential edge portion and a second portion extending from the first portion from the narrow to the wide gradation and connect the fixed portion.

[0010] —种多功能发声器,所述多功能发声器包括中空的框架、与所述框架盖接的前盖、设于所述框架内的振动板、驱动所述振动板振动的音圈、以及收容于所述框架内用于进行振动的振子,所述多功能发声器设有用于悬置所述振子的弹簧板,所述弹簧板包括用于将弹簧板固定到所述框架上的周缘部和自所述周缘部向内侧延伸的内圈部,所述内圈部包括自周缘部延伸的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到所述振子上的固定部。 [0010] - multifunctional species sounder, the sounder multifunction comprises a hollow frame, the front frame and the cover lid contact, provided in the vibration plate within the frame, driving the voice coil to vibrate the vibrating plates , and housed within said frame for vibrating the vibrator, the multifunctional sounder plate is provided with a spring for suspending the vibrator, the spring plate comprises a spring plate is fixed to the frame and a portion from the inner peripheral edge portion of the peripheral edge portion extending inwardly from said inner ring portion comprising a helical portion extending circumferential edge portion and the deformation of the trailing end portion positioned for deformation of the inner portion is fixed to the fixing the vibrator portion.

[0011 ]优选的,所述形变部包括自所述周缘部由宽至窄的渐变式延伸的第一部分和自所述第一部分由窄至宽的渐变式延伸并连接固定部的第二部分。 [0011] Preferably, the deformable portion includes a tapered portion extending from the first wide to narrow from the circumferential edge portion and a second portion extending from the first portion from the narrow to the wide gradation and connect the fixed portion.

[0012]优选的,所述振子设有自振子正对固定部的表面延伸出的并与固定部形状相匹配的凸柱,所述形变部离振子正对形变部的表面的距离大于所述形变部垂直振动时的最大位移,所述固定部固定于该凸柱。 [0012] Preferably, the vibrator is provided from the boss and shape of the fixed portion of the vibrator facing surface of the fixed portion extending matches, the deformable portion plasmon facing surface distance is greater than the deformation portion the maximum displacement of the vertical vibration deformation portion, the fixing portion is fixed to the boss.

[0013]优选的,所述弹簧板包括固定于框架底端的第一弹簧板和与所述第一弹簧板平行间隔设置的第二弹簧板,所述振子固定于两个弹簧板之间且位于所述弹簧板中央。 [0013] Preferably, the plate spring comprises a first spring plate is fixed to the bottom end of the frame and the second spring plate and the spring plate is spaced away from the first, and the vibrator is fixed to and located between two spring plates the central spring plate.

[0014]优选的,所述第一弹簧板和第二弹簧板分别设有两个内圈部,穿过所述第一弹簧板上的两个内圈部的中心点并垂直于所述第一弹簧板的平面和穿过所述第二弹簧板上的两个内圈部的中心点并垂直于所述第二弹簧板的平面分别平分所述第一弹簧板和第二弹簧板。 [0014] Preferably, the first plate spring and the second spring are respectively provided with two inner plate portions, two passes through the center point of the inner portion of the first spring plate and perpendicular to the first two planar center point of the inner portion of the spring plate and a plane through the second spring plate and perpendicular to the second spring plate are bisects the first plate spring and the second spring plate.

[0015]优选的,所述第一弹簧板和第二弹簧板为两个结构相同、中间镂孔的弹片,所述第一弹簧板和第二弹簧板的周缘部在垂直向上相互重叠,并且穿过所述第一弹簧板上的两个内圈部的中心点并垂直于所述第一弹簧板的平面和穿过所述第二弹簧板上的两个内圈部的中心点并垂直于所述第二弹簧板的平面交叉设置。 [0015] Preferably, the first plate spring and the second spring plate two identical structures, the peripheral edge portion of the intermediate elastic piece Lou hole, said first plate spring and the second spring plate overlap each other in the vertical direction, and two inner portion passes through the center point of the center point of the inner portions of the two first spring plate and perpendicular to the plane of the first plate and the spring through the second spring and the vertical plate in a plane intersecting the second spring plate is provided.

[0016]本发明的有益效果在于:本发明的目的在于提供一种弹簧板及应用该弹簧板的多功能发声器,应用所述弹簧板的多功能发声器振动更加稳定、可靠性更好。 [0016] Advantageous effects of the present invention: The purpose of the present invention is to provide a multi-purpose and application of the spring plates of the sounder plate spring, the multi-functional application sound vibration plate spring more stable, and better reliability.

【附图说明】 BRIEF DESCRIPTION

[0017]图1是本发明弹簧板的立体图; [0017] FIG. 1 is a perspective view of a spring plate of the present invention;

[0018]图2是应用图1所示弹簧板的多功能发声器的立体分解图; [0018] FIG. 2 is an exploded perspective view of a multifunction spring sounder plate shown in FIG. 1 is applied;

[0019]图3是图2所示多功能发声器的装配图; [0019] FIG. 3 is a view of the assembly shown in FIG. 2 multifunction sounder;

[0020]图4是图3所示多功能发声器沿AA方向的剖视图; [0020] FIG. 4 is a cross-sectional view of FIG. 3 multifunction sounder taken along line AA;

[0021]图5是图2所述多功能发声器中弹簧板与质量环的分解图。 [0021] FIG. 5 is a diagram of the multifunction sounder 2 in an exploded view of the spring plate and the mass ring.

【具体实施方式】 【detailed description】

[0022]下面结合附图和实施方式对本发明作进一步说明。 [0022] The present invention will be further described in conjunction with the accompanying drawings and embodiments.

[0023]请参见图1所示,本发明提供了一种弹簧板I,所述弹簧板I包括周缘部10和自所述周缘部1向内侧延伸的内圈部11,所述内圈部11包括自周缘部1延伸的螺旋形的形变部111和位于形变部111尾端用于将所述内圈部11固定到其它元器件上的固定部112。 [0023] Referring to FIG, the present invention provides a spring plate I 1, I includes the plate spring 10 and the inner portion from the peripheral portion 11 extending in an inward, the inner peripheral edge portion 11 comprises a helical deformation portion from the peripheral edge portion 111 and an extending tail portion 111 positioned for deformation of the inner ring portion 11 is fixed to the fixing portion 112 to other components.

[0024]所述形变部111包括自所述周缘部1由宽至窄的渐变式延伸的第一部分1111和自所述第一部分1111由窄至宽的渐变式延伸并连接固定部112的第二部分1112。 [0024] The deformable portion 111 includes a first portion 1111 from the peripheral portion of a width to a narrow tapered and extending from said first portion 1111 extending from the narrow to the wide gradation and connect the fixed portion 112 of the second part of 1112.

[0025]如图2〜4所示,一种多功能发声器2,所述多功能发声器2包括中空的框架20、与所述框架20盖接的前盖21、设于所述框架20内的振动板22、驱动所述振动板22振动的音圈23、以及收容于所述框架20内用于进行振动的振子24,所述多功能发声器2设有用于悬置所述振子24的弹簧板I,所述弹簧板I包括用于将弹簧板I固定到所述框架20上的周缘部10和自所述周缘部10向内侧延伸的内圈部11,所述内圈部11包括自周缘部10延伸的螺旋形的形变部111和位于形变部111尾端用于将所述内圈部11固定到所述振子24上的固定部112。 [0025] As shown in FIG. 2 ~ 4, a multifunctional sounder 2, the multifunctional sounder 2 includes a hollow frame 20, the front cover 20 contact the frame cover 21, is provided to the frame 20 in the diaphragm 22, to drive the vibration of the diaphragm 22 voice coil 23, and received in the frame 20 for the vibrator 24 vibrates, the multifunctional sounder 2 is provided for suspending the vibrator 24 I spring plate, said spring plate comprises a spring plate I I peripheral edge portion 20 is fixed to the frame 10 and the inner portion from the peripheral portion 10 extending inwardly 11, the inner portion 11 since the strain comprises a helical portion 10 extending peripheral edge 111 and the trailing end portion 111 positioned for deformation of the inner ring portion 11 is fixed to the fixing portion 112 on the transducer 24.

[0026]在本发明所提供的实施例中,所述振子24包括从上至下依次设置的极芯240、磁钢241和磁碗242所组成的磁路系统和收容所述磁路系统的中空的质量环243。 [0026] In an embodiment of the present invention is provided, the transducer 24 comprises sequentially disposed from top to bottom of the pole piece 240, magnet 241 and the magnetic circuit system composed of magnetic bowl 242 accommodating the magnetic circuit system and quality hollow ring 243.

[0027]再结合图5所示,所述振子24设有自所述振子24正对固定部112的表面延伸出的并与固定部112形状相匹配的凸柱240,在本发明所提供的实施例中,所述凸柱240设置于所述质量环243上面。 [0027] FIG. 5 recombination, the vibrator 24 from the vibrator 24 is provided with a facing surface 112 of the fixing portion and the extending portion 112 matches the shape of the fixing boss 240, the present invention provides embodiment, the boss 240 provided on the ring 243 mass above. 所述形变部111离所述正对形变部111的表面的距离H大于所述形变部111垂直振动时的最大位移,所述固定部112固定于该凸柱240。 The deformable portion 111 of the distance H from the positive surface deformation portion 111 is larger than the maximum displacement of the vertical vibration of the deformable section 111, the fixing portion 112 is fixed to the boss 240.

[0028]所述弹簧板I包括固定于框架20底端的第一弹簧板Ia和与所述第一弹簧板Ia平行间隔设置的第二弹簧板lb,所述振子24固定于两个弹簧板I之间且位于所述弹簧板I中央。 [0028] The plate spring is fixed to the bottom end of the I frame comprises a first spring plate 20 Ia, and a second spring plate and the first plate spring disposed parallel spaced Ia lb, the vibrator 24 is fixed to the two spring plates I and located between the center of the spring plate I.

[0029]所述第一弹簧板Ia和第二弹簧板Ib分别设有两个内圈部11,穿过所述第一弹簧板Ia上的两个内圈部11的中心点并垂直于所述第一弹簧板Ia的平面和穿过所述第二弹簧板Ib上的两个内圈部11的中心点并垂直于所述第二弹簧板Ib的平面分别平分所述第一弹簧板Ia和第二弹簧板lb。 [0029] The first spring plate Ia and Ib, respectively, the second plate spring portion 11 is provided with two inner ring, the inner ring portion 11 passes through the center point of the two on the first spring plate and perpendicular to the Ia Ia plane of said first plate spring and passing through the center point of the two inner planar portion on said second plate spring Ib. 11 and perpendicular to the second spring plate Ib, respectively, bisecting the first spring plate Ia and a second spring plate lb.

[0030]所述第一弹簧板Ia和第二弹簧板Ib为两个结构相同、中间镂孔的弹片,所述第一弹簧板Ia和第二弹簧板Ib的周缘部10在垂直向上相互重叠,并且穿过所述第一弹簧板Ia上的两个内圈部11的中心点并垂直于所述第一弹簧板Ia的平面和穿过所述第二弹簧板Ib上的两个内圈部11的中心点并垂直于所述第二弹簧板Ib的平面交叉设置。 [0030] The first plate spring and the second spring plate Ia Ib structure of two identical, Lou hole of the intermediate elastic piece, the first plate spring and the second spring plate Ia Ib peripheral portion 10 overlap each other in the vertical direction , and the center point of the two portions 11 on the inner race through the first spring plate Ia and perpendicular to the plane of the first spring plate Ia through both the inner and on the second spring plate Ib flat portion 11 of the center point and perpendicular to the second plate spring disposed cross Ib.

[0031]本发明提供的多功能发声器2,应用所述弹簧板I后,其振动更加稳定、可靠性更好。 [0031] The present invention provides multifunctional sounder 2, after the application of the spring plate I, a more stable vibration, better reliability.

[0032]以上所述的仅是本发明的较佳实施方式,在此应当指出,对于本领域的普通技术人员来说,在不脱离本发明创造构思的前提下,还可以做出改进,但这些均属于本发明的保护范围。 [0032] The above embodiment is merely the preferred embodiment of the present invention, it should be noted here, those of ordinary skill in the art, without departing from the concept to create a premise of the present invention, the further improvements may be made, but these are within the scope of the present invention.

Claims (6)

  1. 1.一种弹簧板,其特征在于,所述弹簧板包括呈矩形形状的周缘部和自所述周缘部向内侧延伸的两个内圈部,所述内圈部设置于所述周缘部的对角处,所述内圈部包括自周缘部连续延伸至少一周而形成的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到其它元器件上的固定部,所述形变部包括自所述周缘部由宽至窄的渐变式延伸的第一部分和自所述第一部分由窄至宽的渐变式延伸并连接固定部的第二部分。 A spring plate, wherein the spring plate includes a rectangular shape and two inner peripheral edge portion from the peripheral portion of the inwardly extending portion, said inner ring portion is provided on the peripheral portion opposite corners, said inner ring includes a continuous portion extending from the peripheral edge portion of the helical deformation portion formed by at least one week and the trailing end portion positioned for deformation of the inner portion fixed to the fixing portion on the other components, the said deformable portion comprises a first portion from the peripheral portion extending from wide to narrow and a second tapered portion extending from the first portion from the narrow to the wide gradation and connect the fixed portion.
  2. 2.—种多功能发声器,所述多功能发声器包括中空的框架、与所述框架盖接的前盖、设于所述框架内的振动板、驱动所述振动板振动的音圈、以及收容于所述框架内用于进行振动的振子,其特征在于,所述多功能发声器设有用于悬置所述振子的弹簧板,所述弹簧板包括用于将弹簧板固定到所述框架上的呈矩形形状的周缘部和自所述周缘部向内侧延伸的两个内圈部,所述内圈部设置于所述周缘部的对角处,所述内圈部包括自周缘部连续延伸至少一周而形成的螺旋形的形变部和位于形变部尾端用于将所述内圈部固定到所述振子上的固定部,所述形变部包括自所述周缘部由宽至窄的渐变式延伸的第一部分和自所述第一部分由窄至宽的渐变式延伸并连接固定部的第二部分。 2.- multifunctional species sounder, the sounder multifunction comprises a hollow frame, the front frame and the cover lid contact, provided in the vibration plate within the frame, driving the voice coil to vibrate the vibrating plates, and the receiving transducer to the frame for vibration, characterized in that the multifunctional sounder plate is provided with a spring for suspending the vibrator, the spring plate comprises a spring plate is fixed to the the peripheral edge portion of the rectangular shape of the frame and from the two portions of the inner circumferential edge portion extending inwardly, the inner portion is provided at opposite corners, said inner portion comprises the peripheral portion from the peripheral portion strain helical portion extends continuously formed by at least one week and the trailing end portion positioned for deformation of the inner portion fixed to the fixing portion on the vibrator, the deformable portion from the peripheral portion comprises a narrow width to a first tapered portion extending from said first portion and extending from the narrow width to the tapered portion and the second portion is connected and fixed.
  3. 3.根据权利要求2所述的多功能发声器,其特征在于:所述振子设有自振子正对固定部的表面延伸出的并与固定部形状相匹配的凸柱,所述形变部离振子正对形变部的表面的距离大于所述形变部垂直振动时的最大位移,所述固定部固定于该凸柱。 The multifunctional sounder according to claim 2, wherein: the vibrator is provided from the boss and shape of the fixed portion of the vibrator facing surface of the fixed portion extending matches, the deformable portion away from the the transducer from the surface facing the deformation portion is greater than the maximum displacement of the vertical vibration of the deformable portion, the fixing portion is fixed to the boss.
  4. 4.根据权利要求3所述的多功能发声器,其特征在于:所述弹簧板包括固定于框架底端的第一弹簧板和与所述第一弹簧板平行间隔设置的第二弹簧板,所述振子固定于两个弹簧板之间且位于所述弹簧板中央。 The multifunctional sounder according to claim 3, wherein: said spring comprises a first spring plate is fixed to the bottom frame plate and a second plate spring and said first spring plate arranged in parallel spaced, the said vibrator is fixed to and located between the two central spring plate spring plate.
  5. 5.根据权利要求4所述的多功能发声器,其特征在于:所述第一弹簧板和第二弹簧板分别设有两个内圈部,穿过所述第一弹簧板上的两个内圈部的中心点并垂直于所述第一弹簧板的平面和穿过所述第二弹簧板上的两个内圈部的中心点并垂直于所述第二弹簧板的平面分别平分所述第一弹簧板和第二弹簧板。 The multifunctional sounder according to claim 4, wherein: said first plate spring and the second spring plate are respectively provided with two inner portions, of the two through the first spring plate the inner portion and the center point of the plane perpendicular to said first plane and passing through the spring plate of the center point of two inner portion of the second spring plate and perpendicular to the second plate each bisecting the spring said first plate spring and the second spring plate.
  6. 6.根据权利要求5所述的多功能发声器,其特征在于,所述第一弹簧板和第二弹簧板为两个结构相同、中间镂孔的弹片,所述第一弹簧板和第二弹簧板的周缘部在垂直向上相互重叠,并且穿过所述第一弹簧板上的两个内圈部的中心点并垂直于所述第一弹簧板的平面和穿过所述第二弹簧板上的两个内圈部的中心点并垂直于所述第二弹簧板的平面交叉设置。 The multifunctional sounder according to claim 5, wherein said first plate spring and the second spring plate two identical structures, Lou hole of the intermediate elastic piece, the first and second spring plate the peripheral edge portion of the spring plate overlap each other in the vertical direction, and passes through the center point of the inner portions of the two first spring plate and perpendicular to the first plane and the plate spring through the second spring plate two planar center point on the inner portion and perpendicular to the second cross plate spring is provided.
CN 201310173535 2013-05-10 2013-05-10 Application of the spring plate and the spring plate sounder multifunction CN103297900B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377145B1 (en) * 1999-03-03 2002-04-23 Tokin Corporation Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance
CN1463207A (en) * 2001-06-11 2003-12-24 并木精密宝石株式会社 Viberation actuator device
CN201639764U (en) * 2009-10-26 2010-11-17 林祺芳;胡波 Structure of loudspeaker
CN201699967U (en) * 2010-06-28 2011-01-05 歌尔声学股份有限公司 Moving coil electro-acoustic transducer
CN201708914U (en) * 2010-04-21 2011-01-12 歌尔声学股份有限公司 Miniature moving-coil type electroacoustic transducer
CN201708913U (en) * 2009-12-03 2011-01-12 朱多亮 Audio driver
CN203289635U (en) * 2013-05-10 2013-11-13 瑞声声学科技(深圳)有限公司 Spring plate and multifunctional sounder applying spring plate

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377145B1 (en) * 1999-03-03 2002-04-23 Tokin Corporation Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance
CN1463207A (en) * 2001-06-11 2003-12-24 并木精密宝石株式会社 Viberation actuator device
CN201639764U (en) * 2009-10-26 2010-11-17 林祺芳;胡波 Structure of loudspeaker
CN201708913U (en) * 2009-12-03 2011-01-12 朱多亮 Audio driver
CN201708914U (en) * 2010-04-21 2011-01-12 歌尔声学股份有限公司 Miniature moving-coil type electroacoustic transducer
CN201699967U (en) * 2010-06-28 2011-01-05 歌尔声学股份有限公司 Moving coil electro-acoustic transducer
CN203289635U (en) * 2013-05-10 2013-11-13 瑞声声学科技(深圳)有限公司 Spring plate and multifunctional sounder applying spring plate

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