WO2012129918A1 - 扬声器振动膜片及扬声器 - Google Patents

扬声器振动膜片及扬声器 Download PDF

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Publication number
WO2012129918A1
WO2012129918A1 PCT/CN2011/082584 CN2011082584W WO2012129918A1 WO 2012129918 A1 WO2012129918 A1 WO 2012129918A1 CN 2011082584 W CN2011082584 W CN 2011082584W WO 2012129918 A1 WO2012129918 A1 WO 2012129918A1
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Prior art keywords
speaker
diaphragm
film body
frame
wall
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PCT/CN2011/082584
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English (en)
French (fr)
Inventor
高鹏
柴国强
周建明
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Suzhou Sonavox Electronics Co Ltd
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Suzhou Sonavox Electronics Co Ltd
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Publication of WO2012129918A1 publication Critical patent/WO2012129918A1/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present invention relates to loudspeakers, and in particular to vibrating membranes on loudspeakers.
  • the speaker belongs to an electroacoustic transducing device.
  • the electric energy causes the diaphragm to vibrate through the electromagnetic effect, and the vibrating diaphragm resonates with the surrounding air to emit sound, and the shape of the diaphragm will affect the sound effect.
  • the vibrating diaphragm on the existing speaker generally has a frustoconical shape.
  • the middle and high frequency bands on the frequency response curve such as the frequency band of 2000 Hz to 3000 Hz, may have spikes, which may easily lead to The appearance of harsh or hoarse sounds, the original sound is distorted, and the hearing effect is not good.
  • an aspect of the present invention provides a speaker vibration diaphragm including two end portions, a film body having a front surface and a back surface between the two ends, wherein an inner diameter of one end portion is larger than the other end portion
  • the inner diameter of the portion, the cross section of the membrane body is annular, and the membrane body comprises a body having a truncated cone shape, and the membrane body further comprises at least one protrusion protruding toward the front surface of the membrane body with respect to the main body.
  • a bump is formed on the diaphragm of the diaphragm, which can reduce the peak of the middle and high frequency bands of the speaker frequency response curve, so that the frequency response curve of the middle and high frequency bands is smoother.
  • the plurality of protrusions are spaced apart along the circumferential direction of the film body.
  • the projections are formed in pairs, and the pair of projections are symmetrically distributed with respect to the central axis of the film body.
  • At least one pair of protrusions are respectively provided with through holes, and the through holes are covered with a waterproof sheet, and the through holes formed in the pair of protrusions are symmetrically distributed with respect to the central axis of the film body.
  • the protrusion extends in a ring shape along a circumferential direction of the conical inclined portion.
  • At least one of the protrusions is provided with a through hole, and the through hole is covered with a waterproof sheet. Opening the hole in the protrusion of the vibrating diaphragm can further reduce the peak or valley of the middle and low frequency bands of the speaker frequency response curve, so that the frequency response curve of the speaker is smoother in the middle and high frequency bands and the middle and low frequency bands, which is further improved.
  • the audible effect of the speaker makes the sound more realistic and better.
  • Another aspect of the present invention provides a speaker including the above diaphragm.
  • the speaker further includes a frame, a fixed magnetic circuit component fixed on the frame, and a voice coil capable of being driven to move axially by the fixed magnetic circuit component, wherein a middle portion of the frame is recessed therein
  • the inner side forms a resonant cavity, and the vibrating diaphragm is located in the resonant cavity, and the outer wall of the voice coil is connected to the inner wall of the frame by the positioning elastic wave plate, and the inner wall of the inner end of the inner diameter of the vibrating diaphragm is bonded to the voice coil.
  • the inner end portion of the vibrating membrane having a larger inner diameter is bonded to the inner wall of the frame by an elastic edge.
  • the present invention has the following advantages compared with the prior art: the sound effect of the middle and high frequency bands is improved, and the original sound can be more accurately reflected.
  • Figure 1 is a front elevational view of a vibrating membrane according to the present invention, wherein an elastic edge is bonded to an end of the vibrating membrane;
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1;
  • Figure 3 is an enlarged view of B in Figure 2;
  • Figure 4 is a front elevational view of the speaker in accordance with the present invention.
  • Figure 5 is a cross-sectional view taken along line CC of Figure 4
  • Figure 6 is a graph of speaker frequency response.
  • Figure 1-3 shows a loudspeaker diaphragm 1 having two ends and a membrane body 2 between the ends, the diaphragm 1 being generally generally truncated conical, two of which The inner diameter of one end of the end is larger than the inner diameter of the other end.
  • the membrane body 2 has a closed annular shape in cross section, and the body of the membrane body 2 has a truncated cone shape, and the membrane body 2 also has a projection 3 which protrudes toward the front surface of the membrane body 2 with respect to the main body thereof.
  • the film body 2 is integrally formed, that is, the body of the film body 2 and the projection 3 are integrally formed.
  • the "front" and "back” as used herein and elsewhere herein are defined according to the habit of observation.
  • the surface that can be seen after being mounted on the speaker is the front side, and vice versa, the back side, the following "inside” and The “outer” is defined by the distance from the central axis of the film body 2, and actually, the front surface of the film body 2 is on the inner side, and the back surface of the film body 2 is on the outer side.
  • the protrusions 3 are arranged in various ways.
  • the protrusions 3 may extend in a ring shape along the circumferential direction of the film body 2, which is a continuous structure, or the protrusions 3 may also be intermittent.
  • the distribution, that is, the plurality of protrusions 3, is distributed along the circumferential direction of the film body 2 at a distance, and the pair of protrusions is a preferred mode.
  • the projections 3 have a pair which are symmetrically distributed about the central axis of the film body 2.
  • the projections In the longitudinal section of the diaphragm 1, that is, the section cut along the axial direction of the film body 2, as shown in Figs. 2 and 3, the projection 3 is curved, and the height of the projection 3 is along the direction from the outside to the inside. Gradually decreases.
  • the projections can also be arranged in a shape such as a right angle.
  • a through hole 3 may be formed in the protrusion 3, and the waterproof hole 5 is covered on the through hole 3, as shown in FIGS. 1 and 3, in order to achieve better sound effect of the speaker.
  • the speaker body comprises a frame 7, which is mounted on the frame 7, from which the film body 2 of the film and the elastic edge 6 for joining the film and frame 7 can be seen.
  • the middle portion of the frame 7 is recessed to form a resonant cavity 11, and the diaphragm 1 is located in the resonant cavity 11.
  • the frame 7 is provided with a fixed magnetic circuit component 10 which can be driven for axial movement by the fixed magnetic circuit component 10.
  • the voice coil 8, the outer wall of the voice coil 8 is connected to the inner wall of the frame 7 by the positioning elastic wave sheet 9, and the inner wall of the end portion of the diaphragm 1 having the smaller inner diameter is bonded to the outer wall of the voice coil 8, the diaphragm 1
  • the larger inner diameter end is bonded to the inner wall of the frame 7 by the elastic edge 6.
  • the fixed magnetic circuit component 10 includes an annular iron piece 14, a ring-shaped magnetic steel 13, and a T-iron 12 which are sequentially connected, and the iron piece 14 is riveted to the frame 7, and the central column of the T-iron 12 is inserted into the iron.
  • the annular iron piece 14, the annular magnetic steel 13, and the T iron 12 form a magnetic circuit, and the central cylinder of the T iron 12 is interposed between the iron piece 14 and the magnetic steel 13 Forming a circular magnetic gap 15 into which the voice coil 8 is inserted, so that when an audio current passes through the voice coil 8, a magnetic field which changes with the audio current is generated, which is generated by the magnetic circuit in the fixed magnetic circuit component 10.
  • the magnetic field interacts, causing the voice coil 8 to vibrate axially, vibrating with the vibrating diaphragm 1.
  • the frequency response curve of the speaker is shown in Figure 6.
  • the curve a in Fig. 6 is the frequency response curve of the speaker using the conventional vibrating diaphragm, which is the frustoconical diaphragm mentioned in the background art, and can be seen by comparing the curve b and the curve a,
  • the speaker of the diaphragm 1 having the pair of protrusions 3 can lower the medium-high frequency band, such as 2000
  • the peak of the frequency band of Hz ⁇ 3000Hz, the frequency response curve of the high frequency band of the speaker is relatively smooth, the sound effect of the middle and high frequency bands is improved, and the original sound can be truly reflected.
  • the frequency that the human ear can hear is 20 Hz ⁇ 20KHz, divided into three frequency bands: low, medium and high, of which the low frequency range is 20 Hz ⁇ 640 Hz, the middle frequency band is 640 Hz ⁇ 2500 Hz, and the high frequency band is 2500.
  • Hz ⁇ 20KHz the frequency that the human ear can hear.
  • the protrusions 3 on the speaker diaphragm 1 can reduce the peaks in the middle and high frequency bands, but cause low and medium frequency bands, such as 600. Hz ⁇ 1500 A spike or trough of Hz.
  • the through holes 4 may be formed in the at least one pair of protrusions 3, and the waterproof sheet 5 may be covered on the through holes 4, as shown in FIGS. 1 and 5.
  • the waterproof sheet 5 may be a rubber sheet, and the through holes 4 in the pair of protrusions 3 should be symmetrically distributed with respect to the center line of the film body 2.
  • the frequency response curve of the speaker of the diaphragm 1 using the through hole 4 on the protrusion 3 is as shown by the curve c in Fig. 6. It is easy to see that the frequency response curve of the speaker is higher in the middle and high frequency bands and in the middle and low frequency bands. Smoothing further improves the auditory effect of the speaker, making the sound more realistic and better.
  • the protrusion on the diaphragm diaphragm of the speaker can effectively suppress the partial vibration, reduce the peak of the middle and high frequency bands on the frequency response curve of the speaker, and the through hole on the protrusion and covered with the waterproof sheet can make the middle and low The frequency response curve of the band becomes smoother.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

本发明公开了一种扬声器振动膜片及包括该振动膜片的扬声器，在扬声器振动膜片的膜体上形成凸起，这样能够降低扬声器频响曲线的中高频段的尖峰，使得中高频段的频响曲线较为平滑，提高了中高频段的声音效果，比较能真实地反映原声。

Description

扬声器振动膜片及扬声器
技术领域
本发明涉及扬声器，特别还涉及扬声器上的振动膜片。
背景技术
扬声器属于电声换能器件，由电能通过电磁效应使得膜片振动，振动的膜片与周围的空气共振而发出声音，而膜片的形状将影响声音效果。现有的扬声器上的振动膜片一般呈截头圆锥形状，膜片上的锥形倾斜部在振动发声时，频响曲线上的中高频段，如2000Hz~3000Hz频段，会出现尖峰，容易导致刺耳或嘶哑声音的出现，则原声失真，听觉效果不好。
发明内容
本发明的目的是提供一种降低中高频段尖峰的扬声器振动膜片和频响曲线的中高频段平滑的扬声器。为达到上述目的，本发明一方面提供一种扬声器振动膜片，其包括两个端部、位于两个端部之间的具有正面和背面的膜体，其中一个端部的内径大于另一个端部的内径，膜体的横截面呈环状，膜体包括呈截顶圆锥形的主体，膜体还包括至少一个相对于主体朝膜体的正面凸出的凸起。在振动膜片的膜体上形成凸起，这样能够降低扬声器频响曲线的中高频段的尖峰，使得中高频段的频响曲线较为平滑。
优选地，凸起有多个，多个凸起沿着膜体的周向相间隔地分布。
进一步优选地，凸起成对地形成，成对的凸起关于膜体的中心轴呈对称分布。
更进一步优选地，至少有一对凸起上分别开设有通孔，通孔上覆盖有防水片，成对凸起上所开设的通孔关于膜体的中心轴呈对称分布。
优选地，所述凸起沿着所述圆锥形倾斜部的周向方向延伸呈环状。
优选地，至少有一个所述凸起上开设有通孔，所述通孔上覆盖有防水片。在振动膜片的凸起上开通孔，还能进一步减小扬声器频响曲线的中低频段的尖峰或低谷，使得扬声器的频响曲线在中高频段和中低频段都较平滑，则进一步改善了扬声器的听觉效果，使得声音更真实、更好听。
本发明另一方面提供一种包括上述振动膜片的扬声器。
作为一种具体的实施方式，该扬声器还包括框架、固定在所述框架上的固定磁路部件、能够被所述固定磁路部件驱动作轴向运动的音圈，框架的中部凹陷而在其内侧形成共振腔，振动膜片位于该共振腔中，音圈的外壁通过定位弹波片连接到框架的内壁上，所述振动膜片的内径较小的端部的内壁粘结在音圈的外壁上，所述振动膜片的内径较大的端部通过弹性边粘结在框架的内壁上。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：提高了中高频段的声音效果，比较能真实地反映原声。
附图说明
附图1为根据本发明的振动膜片的正面视图，其中，振动膜片的端部上粘结有弹性边；
附图2为图1的沿A-A方向的剖视图；
附图3为图2中B处的放大图；
附图4为根据本发明的扬声器的正面视图；
[根据细则26改正13.03.2012]　
附图5为图4的沿C-C方向的剖视图，附图6为扬声器频响曲线图。
具体实施方式
下面结合附图来进一步阐述本发明的内容。
见图1-3所示的一种扬声器振动膜片1，其具有两个端部和位于两个端部之间的膜体2，膜片1的整体大致呈截顶圆锥形，其两个端部中一个端部的内径大于另一个端部的内径。膜体2的横截面呈闭合的环形，膜体2的主体呈截顶圆锥形，膜体2还具有相对于其主体朝膜体2的正面凸出的凸起3。一般地，膜体2为一体构造的，也就是说膜体2的主体和凸起3部分一体成型。此处及本文中其它各处所说的“正面”及“背面”是根据观察习惯来定义的，安装到扬声器上后可以看到的表面为正面，反之则为背面，下文中的“内”和“外”则是根据离膜体2的中心轴的距离来定义的，实际上，膜体2的正面处于内侧，膜体2的背面则处于外侧。
凸起3的布置方式有多种，譬如说，凸起3可以沿着膜体2的周向延伸呈环状，这即为一种连续型构造，或者，凸起3也可以是间断型地分布，也就是说凸起3有多个，多个凸起沿着膜体2的周向方向以相间隔一段距离的方式分布，成对的凸起为优选方式。在本发明所采用的优选实施例中，凸起3有一对，该对凸起3关于膜体2的中心轴线对称分布。在膜片1的纵截面也就是沿膜体2的轴向切断的断面上，参照图2和图3所示，凸起3呈弧形，并且凸起3的高度沿着从外向内的方向逐渐降低。在另外的实施例中，凸起也能设置呈诸如直角形状。
凸起3上还可开设通孔3，并在通孔3上覆盖有防水片5，如图1和图3所示的那样，以期使扬声器达到更佳的音效。
下面结合图4和图5以具有成对凸起的膜片为例来对膜片在扬声器上的应用来进一步说明。如图4所示，扬声器主体包括框架7，振动膜片即安装在框架7上，从图中可以看到膜片的膜体2和用于连接膜片和框架7的弹性边6。见图5所示，框架7的中部凹陷形成共振腔11，膜片1即位于共振腔11中，框架7上设置有固定磁路部件10，能够被固定磁路部件10驱动作轴向运动的音圈8，音圈8的外壁通过定位弹波片9连接到框架7的内壁上，振动膜片1的内径较小的端部的内壁粘结在音圈8的外壁上，振动膜片1的内径较大的端部通过弹性边6粘结在框架7的内壁上。
见图5所示，固定磁路部件10包括依次相连接的环状铁片14、环状磁钢13、T铁12，铁片14铆接在框架7上，T铁12的中心柱体插入铁片14和环状磁钢13的环形内腔中，环状铁片14、环状磁钢13、T铁12形成磁回路，T铁12的中心柱体与铁片14和磁钢13之间形成环形的磁缝隙15，音圈8插入该磁缝隙15中，这样音圈8中有音频电流通过时，会产生随音频电流变化的磁场，该磁场与固定磁路部件10中磁回路产生的磁场发生相互作用，使得音圈8发生轴向振动，带着振动膜片1振动发声。
扬声器的频响曲线如图6中所示。
图6中的曲线a为采用传统振动膜片的扬声器的频响曲线，传统振动膜片即为背景技术中提到的呈截头圆锥形状的膜片，比较曲线b和曲线a可以看到，具有成对凸起3的振动膜片1的扬声器能够降低中高频段，如2000 Hz~3000Hz频段的尖峰，该扬声器中高频段的频响曲线较为平滑，提高了中高频段的声音效果，更能真实地反映原声。通常人耳能听到的频率范围为20 Hz~20KHz，将其划分为低、中、高三个频段，其中 低频段20 Hz~ 640 Hz，中频段640 Hz ~2500 Hz，高频段2500 Hz~20KHz。
从图6中的曲线b可以看出，扬声器振动膜片1上的凸起3虽然能降低中高频段的尖峰，但是会引起中低频段，如600 Hz ~1500 Hz的尖峰或低谷。为了减小中低频段的尖峰或低谷，可以在至少一对凸起3上开设通孔4，并在通孔4上覆盖防水片5，如图1和图5所示。防水片5可以采用橡胶片，成对凸起3上的通孔4应关于膜体2的中心线呈对称分布。采用凸起3上通孔4的振动膜片1的扬声器的频响曲线如图6中的曲线c所示，不难看出，这种扬声器的频响曲线在中高频段和中低频段都较平滑，进一步改善了扬声器的听觉效果，使得声音更真实、更好听。综上，在扬声器振动膜片膜体上设置凸起，能够有效地抑制分振动，降低扬声器频响曲线上中高频段的尖峰，在凸起上通孔并用防水片覆盖，则能使中低频段的频响曲线变得更平滑。

Claims (8)

1、一种扬声器振动膜片，包括两个端部、位于两个端部之间的具有正面和背面的膜体，其中一个端部的内径大于另一个端部的内径，膜体的横截面呈环状，所述膜体包括呈截顶圆锥形的主体，其特征在于：所述膜体还包括至少一个相对于主体朝膜体的正面凸出的凸起。
2、根据权利要求1所述的振动膜片，其特征在于：凸起有多个，多个凸起沿着膜体的周向相间隔地分布。
3、根据权利要求2所述的振动膜片，其特征在于：凸起成对地形成，成对的凸起关于膜体的中心轴呈对称分布。
4、根据权利要求3所述的振动膜片，其特征在于：至少有一对凸起上分别开设有通孔，所述通孔上覆盖有防水片，成对凸起上的通孔关于膜体的中心轴呈对称分布。
5、根据权利要求1所述的振动膜片，其特征在于：凸起沿着膜体的周向延伸呈环状。
6、根据权利要求1所述的振动膜片，其特征在于：至少有一个凸起上开设有通孔，所述通孔上覆盖有防水片。
7、一种包括上述任一项权利要求所述的振动膜片的扬声器。
8、根据权利要求7所述的扬声器，其特征在于：该扬声器还包括框架、固定在所述框架上的固定磁路部件、能够被所述固定磁路部件驱动作轴向运动的音圈，框架的中部凹陷而在其内侧形成共振腔，振动膜片位于该共振腔中，音圈的外壁通过定位弹波片连接到框架的内壁上，所述振动膜片的内径较小的端部的内壁粘结在音圈的外壁上，所述振动膜片的内径较大的端部通过弹性边粘结在框架的内壁上。
PCT/CN2011/082584 2011-03-28 2011-11-22 扬声器振动膜片及扬声器 Ceased WO2012129918A1 (zh)

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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102118672A (zh) * 2011-03-28 2011-07-06 苏州上声电子有限公司 扬声器振动膜片及扬声器
CN102892063B (zh) * 2011-07-21 2018-05-01 张凡 具有对称磁路及对称线圈电路的多驱动器换能器
CN102340725A (zh) * 2011-07-28 2012-02-01 苏州上声电子有限公司 扬声器振动膜片及扬声器
CN203167258U (zh) * 2012-08-30 2013-08-28 苏州上声电子有限公司 用于扬声器的振动膜片及扬声器
CN103096701B (zh) * 2012-12-25 2016-05-04 苏州恒听电子有限公司 一种屏蔽外壳及具有该屏蔽外壳的受话器
US9538282B2 (en) 2014-12-29 2017-01-03 Robert Bosch Gmbh Acoustically transparent waveguide
US10194245B1 (en) 2017-07-28 2019-01-29 Bose Corporation Acoustic transducer with vibration damping
USD943551S1 (en) * 2019-05-23 2022-02-15 Tymphany Acoustic Technology (Huizhou) Co., Ltd. Diaphragm for loudspeaker
CN110234042A (zh) * 2019-07-12 2019-09-13 刘世阳 自泄压防水扬声器
JP7743392B2 (ja) * 2019-07-29 2025-09-24 ポーク オーディオ， リミテッド ライアビリティ カンパニー 隆起湾曲突出部付きのラウドスピーカ用コーンおよび共振モードを制御する方法
CN111935610B (zh) * 2020-08-14 2021-07-09 南昌市美声源贸易有限公司 一种振动组件、喇叭及音响装置
CN113163304A (zh) * 2021-05-11 2021-07-23 苏州井利电子股份有限公司 高保真度再生纸盆
CN113473334B (zh) * 2021-06-29 2022-11-01 歌尔股份有限公司 发声单体、扬声器组件以及电子设备
CN114051198B (zh) * 2021-12-10 2024-11-05 东莞市真思电子有限公司 一种扬声器发声装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777337A (zh) * 2004-11-18 2006-05-24 日本先锋公司 音圈设备以及使用该音圈设备的扬声器设备
CN101378603A (zh) * 2007-08-29 2009-03-04 安桥株式会社 扬声器振动膜和使用该扬声器振动膜的扬声器
WO2009090746A1 (ja) * 2008-01-17 2009-07-23 Pioneer Corporation スピーカ用振動板、およびスピーカ装置
CN102118672A (zh) * 2011-03-28 2011-07-06 苏州上声电子有限公司 扬声器振动膜片及扬声器

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1872081A (en) * 1927-11-07 1932-08-16 Jesse B Hawley Sound radiator
GB386477A (en) * 1932-03-17 1933-01-19 Rca Corp Improvements in or relating to loud speakers
US2732908A (en) * 1951-12-05 1956-01-31 brittain
JPS5393816A (en) * 1977-01-28 1978-08-17 Hitachi Ltd Diaphragm of speaker
JP2914981B2 (ja) * 1988-07-27 1999-07-05 パイオニア株式会社 表示装置
JPH0746688A (ja) * 1993-07-30 1995-02-14 Matsushita Electric Ind Co Ltd スピーカ
JPH0937385A (ja) * 1995-07-14 1997-02-07 Matsushita Electric Ind Co Ltd コーン型スピーカ
JPH09327087A (ja) * 1996-06-06 1997-12-16 Matsushita Electric Ind Co Ltd ダブルコーンスピーカ
JP3610774B2 (ja) * 1998-04-28 2005-01-19 松下電器産業株式会社 スピーカ
US6002780A (en) * 1998-07-06 1999-12-14 Harman International Industries, Incorporated Audio speaker having rotatable tweeter
JP3508834B2 (ja) * 1999-04-22 2004-03-22 株式会社ケンウッド スピーカ振動板
JPWO2004004410A1 (ja) * 2002-06-26 2005-11-04 松下電器産業株式会社 スピーカ
JP3920793B2 (ja) * 2003-03-04 2007-05-30 ディービーテクノロジー株式会社 スピーカユニット
JP2006128936A (ja) * 2004-10-27 2006-05-18 Pioneer Electronic Corp スピーカ装置
CN1921704A (zh) * 2005-08-26 2007-02-28 富准精密工业(深圳)有限公司 微型电声装置的音膜
WO2007135745A1 (ja) * 2006-05-24 2007-11-29 Pioneer Corporation スピーカ装置
WO2008053551A1 (en) * 2006-11-01 2008-05-08 Pioneer Corporation Speaker
JP2008167150A (ja) * 2006-12-28 2008-07-17 Matsushita Electric Ind Co Ltd スピーカ
EP2234408A4 (en) * 2008-01-22 2013-09-25 Panasonic Corp SPEAKER MEMBRANE, SPEAKER USING SAID MEMBRANE, AND METHOD FOR MANUFACTURING SPEAKER MEMBRANE
CN101946525B (zh) * 2008-02-25 2015-10-14 日本先锋公司 扬声器装置
JP5356734B2 (ja) * 2008-06-20 2013-12-04 日本ゴア株式会社 音響部品及びその製造方法
JPWO2010050068A1 (ja) * 2008-10-31 2012-03-29 パイオニア株式会社 スピーカ装置及び自動車
CN101562766B (zh) * 2009-05-22 2011-01-19 瑞声声学科技(深圳)有限公司 发声器
CN101990147B (zh) * 2009-07-31 2013-08-28 清华大学 振动膜及应用该振动膜的扬声器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777337A (zh) * 2004-11-18 2006-05-24 日本先锋公司 音圈设备以及使用该音圈设备的扬声器设备
CN101378603A (zh) * 2007-08-29 2009-03-04 安桥株式会社 扬声器振动膜和使用该扬声器振动膜的扬声器
WO2009090746A1 (ja) * 2008-01-17 2009-07-23 Pioneer Corporation スピーカ用振動板、およびスピーカ装置
CN102118672A (zh) * 2011-03-28 2011-07-06 苏州上声电子有限公司 扬声器振动膜片及扬声器

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