WO2020140531A1 - 线性振动电机 - Google Patents

线性振动电机 Download PDF

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Publication number
WO2020140531A1
WO2020140531A1 PCT/CN2019/110481 CN2019110481W WO2020140531A1 WO 2020140531 A1 WO2020140531 A1 WO 2020140531A1 CN 2019110481 W CN2019110481 W CN 2019110481W WO 2020140531 A1 WO2020140531 A1 WO 2020140531A1
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WO
WIPO (PCT)
Prior art keywords
iron core
fixed
vibration motor
base
linear vibration
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/110481
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English (en)
French (fr)
Inventor
凌芳华
陶锋
浦晓峰
石梦珣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte Ltd
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Application filed by AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2020140531A1 publication Critical patent/WO2020140531A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

Definitions

  • the utility model relates to a motor, in particular to a linear vibration motor used in the field of mobile electronic products.
  • the related art linear vibration motor includes a base with an accommodation space, a vibration unit located in the accommodation space, an elastic member that fixes and suspends the vibration unit in the accommodation space, and a coil assembly fixed to the base ,
  • the vibration unit includes a mass, pole core, and magnetic steel, and the coil assembly includes a coil and an iron core, and the magnetic field generated by the coil interacts with the magnetic field generated by the vibration unit, thereby driving the vibration unit to do The reciprocating linear motion generates vibration.
  • the thickness of the pole core is substantially the same, and the thickness of the iron core is also substantially the same.
  • the magnetic field generated by the coil is concentratedly blocked by magnetic field lines in the magnetic field of the pole core and the iron core, weakening the strength of the magnetic field, causing the vibration unit to weaken the vibration, thereby affecting the vibration performance of the linear vibration motor Get worse.
  • the purpose of the utility model is to provide a linear vibration motor with good vibration performance.
  • the present invention provides a linear vibration motor, which includes a base with a receiving space, a vibrating unit placed in the receiving space, an elastic member suspending the vibrating unit in the receiving space, and A coil assembly fixed to the base and driving the vibration unit to vibrate, the vibration unit including a mass having a through hole, a pole core accommodated in the through hole, and a magnetic steel fixed to the pole core,
  • the coil assembly includes an iron core inserted into the through hole and spaced apart from the magnetic steel, and a coil fixed to the iron core, and the iron core includes an iron core body for winding the coil
  • an iron core extension extending from opposite ends of the iron core body and fixed to the base, the iron core extension includes a connecting portion connected to the iron core body and bent by the connecting portion In the fixing portion extending and fixed to the base, the thickness of the connecting portion is greater than the thickness of the fixing portion.
  • the thickness of the fixing portion gradually increases from the end away from the connection portion to the end closer to the connection portion.
  • the thickness of the connecting portion gradually increases from an end near the fixing portion to an end away from the fixing portion.
  • the base includes an upper cover connected with the elastic member and a bottom plate fixedly formed with the upper cover to form the receiving space, and the fixing portion is fixed to the bottom plate.
  • the mass block includes a hole wall surrounding the through hole, the pole core is fixed to the hole wall, and the pole core has a ring shape.
  • the two magnetic steels are disposed on opposite sides of the pole core.
  • the mass is made of non-magnetic material.
  • the core extension part of the linear vibration motor of the present invention includes a connection part connected to the core body, and the connection part extends toward the base and is fixed to the base
  • the fixing portion of the seat and increase the thickness of the connecting portion of the iron core, that is, the thickness of the connecting portion is greater than the thickness of the fixing portion.
  • the linear vibration motor increases the locality of the iron core, thereby expanding the circulation of magnetic lines of force, and increasing the strength of the magnetic field, and the magnetic flux is increased accordingly, thereby making the linear vibration motor good in vibration performance.
  • Figure 1 is a perspective structural view of a linear vibration motor of the present invention
  • Figure 3 is a cross-sectional view taken along line A-A in Figure 1;
  • the utility model provides a linear vibration motor 100 including a base 1, a vibration unit 2, an elastic member 3 and a coil assembly 4.
  • the base 1 has a receiving space 10.
  • the base 1 includes a bottom plate 11 and an upper cover 12 that covers the bottom plate 11 and forms a receiving space 10 together with the bottom plate 11.
  • the vibration unit 2 is placed in the storage space 10.
  • the vibration unit 2 is supported and suspended in the accommodation space 10 by the elastic member 3.
  • the vibration unit 2 includes a mass 21, a pole core 22, and a magnetic steel 23.
  • the mass 21 includes a through hole 210 and a hole wall 211 surrounding the through hole 210.
  • the mass 21 is made of non-magnetic material.
  • the pole core 22 has a ring shape, and its orthographic projection along the vertical vibration direction is rectangular.
  • the shape of the pole core 22 corresponds to the shape of the through hole 210 to facilitate fixing.
  • the pole core 22 is received in the through hole 210.
  • the pole core 22 is fixed to the hole wall 211.
  • the pole core 22 includes two first side walls 221 opposite and spaced apart and two second side walls 222 opposite and spaced apart.
  • the two first side walls 221 are arranged parallel to the long axis direction of the pole core 22, and the two second side walls 222 are arranged parallel to the short axis direction of the pole core 22.
  • the magnetic steel 23 includes two, and the two magnetic steels 23 are disposed on opposite sides of the pole core 22. That is, the two magnetic steels 23 are fixed on opposite sides of the pole core 22. Specifically, the two magnetic steels 23 are respectively fixed to the two first side walls 221.
  • the elastic member 3 suspends the vibration unit 2 in the receiving space 10. Specifically, one end of the elastic member 3 is fixed to the vibration unit 2, and the other end is fixed to the base 1. Specifically, the elastic member 3 is connected to the upper cover 12, that is, the elastic member 3 is fixed to the upper cover 12 of the base 1.
  • the coil assembly 4 is fixed to the base 1 and drives the vibration unit 2 to vibrate.
  • the coil assembly 4 extends between the two magnetic steels 23 and is spaced apart from the magnetic steels 23.
  • the coil assembly 4 includes an iron core 41 inserted into the through hole 210 and spaced apart from the magnetic steel 23 and a coil 42 fixed to the iron core 41.
  • the iron core 41 includes an iron core body 411 for winding the coil 42 and an iron core extension 412 extending from opposite ends of the iron core body 411 and fixed to the base 1.
  • the coil 42 is wound around the iron core body 411.
  • the iron core body 411 extends along the vibration direction.
  • the core extension portion 412 includes a connection portion 4121 connected to the core body 411, and a fixing portion 4122 bent and extended by the connection portion 4121 and fixed to the base 1, and the fixing portion 4122 is fixed to The base plate 11.
  • the thickness of the connecting portion 4121 is increased where the magnetic flux concentrates, that is, the connecting portion 4121, that is, the thickness of the connecting portion 4121 is greater than the thickness of the fixing portion 4122 .
  • the thickness of the fixing portion 4122 gradually increases from the end away from the connection portion 4121 to the end closer to the connection portion 4121.
  • the thickness of the connecting portion may gradually increase from the end near the fixing portion to the end away from the fixing portion.
  • the coil 42 is wound around the iron core body 411 and located between the two magnetic steels 23. After the coil 42 is energized, the iron core 41 forms a magnetic field and interacts with the magnetic field of the magnetic steel 23 to drive the reciprocating linear motion of the vibration unit 2 to produce a vibration effect.
  • the magnetic field strength be increased by increasing the thickness of the connection portion 4121 of the iron core 41. More preferably, in order to increase the magnetic flux of the pole core 22, it is also possible to increase the thickness of the second side wall 222 where the magnetic force lines are concentratedly blocked, that is, the second side wall 222. That is, the thickness of the second side wall 222 is greater than the thickness of the first side wall 221. Therefore, the circulation of magnetic lines of force is increased, the strength of the magnetic field is increased, and the linear vibration motor 100 has good vibration performance.
  • the core extension part of the linear vibration motor of the present invention includes a connection part connected to the core body, and the connection part extends toward the base and is fixed to the base
  • the fixing portion of the seat and increase the thickness of the connecting portion of the iron core, that is, the thickness of the connecting portion is greater than the thickness of the fixing portion.
  • the linear vibration motor increases the locality of the iron core, thereby expanding the circulation of magnetic lines of force, and increasing the strength of the magnetic field, and the magnetic flux is increased accordingly, thereby making the linear vibration motor good in vibration performance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

一种线性振动电机（100），其包括基座（1）、振动单元（2）、弹性件（3）以及线圈组件（4），所述振动单元（2）包括质量块（21）、极芯（22）以及磁钢（23），所述线圈组件（4）包括铁芯（41）和固定于所述铁芯（41）的线圈（42），所述铁芯（41）包括用于绕设所述线圈（42）的铁芯本体（411）和由所述铁芯本体（411）的相对两端延伸且固定于所述基座（1）的铁芯延伸部（412），所述铁芯延伸部（412）包括连接于所述铁芯本体（411）的连接部（4121）和由所述连接部（4121）弯折延伸且固定于所述基座（1）的固定部（4122），所述连接部（4121）的厚度大于所述固定部（4122）的厚度。与现有技术相比，该线性振动电机（100）的振动性能好。

Description

线性振动电机 技术领域
本实用新型涉及一种电机，尤其涉及一种运用在移动电子产品领域的线性振动电机。
 背景技术
随着电子技术的发展，便携式消费性电子产品越来越受人们的追捧，如手机、掌上游戏机、导航装置或掌上多媒体娱乐设备等，这些电子产品一般都会用到线性振动电机来做系统反馈，比如手机的来电提示、信息提示、导航提示、游戏机的振动反馈等。如此广泛的应用，就要求振动电机的性能优，使用寿命长。
相关技术的线性振动电机包括具收容空间的基座、位于所述收容空间的振动单元、将所述振动单元固定并悬置于所述收容空间的弹性件和固定于所述基座的线圈组件，所述振动单元包括质量块、极芯及磁钢，所述线圈组件包括线圈和铁芯，通过所述线圈产生的磁场与所述振动单元产生的磁场相互作用，从而驱动所述振动单元做往复直线运动而产生振动。
 技术问题
然而，相关技术的线性振动电机中，所述极芯的厚度基本一致，所述铁芯的厚度也基本一致。所述线圈产生的磁场，在所述极芯和所述铁芯存在磁场中的磁力线集中阻塞，削弱了磁场强度，造成所述振动单元产生振动减弱，从而使所述线性振动电机振动性能受到影响变差。
因此，有必要提供一种新的线性振动电机解决上述问题。
 技术解决方案
本实用新型的目的在于提供一种振动性能好的线性振动电机。
为达到上述目的，本实用新型提供一种线性振动电机，其包括具有收容空间的基座、置于所述收容空间的振动单元、将所述振动单元悬置于所述收容空间的弹性件以及固定于所述基座并驱动所述振动单元振动的线圈组件，所述振动单元包括具有通孔的质量块、收容于所述通孔内的极芯以及固定于所述极芯的磁钢，所述线圈组件包括插设于所述通孔内且与所述磁钢间隔设置的铁芯和固定于所述铁芯的线圈，所述铁芯包括用于绕设所述线圈的铁芯本体和由所述铁芯本体的相对两端延伸且固定于所述基座的铁芯延伸部，所述铁芯延伸部包括连接于所述铁芯本体的连接部和由所述连接部弯折延伸且固定于所述基座的固定部，所述连接部的厚度大于所述固定部的厚度。
优选的，所述固定部的厚度由远离所述连接部的一端向靠近所述连接部的一端逐渐增加。
优选的，所述连接部的厚度由靠近所述固定部的一端向远离所述固定部的一端逐渐增加。
优选的，所述基座包括与所述弹性件连接的上盖以及与所述上盖固定形成所述收容空间的底板，所述固定部固定于所述底板。
优选的，所述质量块包括围设形成所述通孔的孔壁，所述极芯固定于所述孔壁，所述极芯呈环状。
优选的，所述磁钢为两个，两个所述磁钢设置于所述极芯的相对两侧。
优选的，所述质量块由非导磁材料制成。
 有益效果
与相关技术相比，本实用新型的线性振动电机的所述铁芯延伸部包括连接于所述铁芯本体的连接部和由所述连接部向所述基座方向延伸且固定于所述基座的固定部，并将所述铁芯的所述连接部的厚度增大，即所述连接部的厚度大于所述固定部的厚度。在不影响整体体积情况下，所述线性振动电机通过将所述铁芯的局部增大，从而扩大磁力线流通，并提升磁场强度，磁通量相应提升，从而使所述线性振动电机振动性能好。
 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为本实用新型线性振动电机的立体结构图；
图2为本实用新型线性振动电机的部分结构图；
图3为沿图1中A-A线的剖示图；
图4为本实用新型线性振动电机的部分结构装配图。
 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1-4，本实用新型提供了一种线性振动电机100，其包括基座1、振动单元2、弹性件3以及线圈组件4。
所述基座1具有收容空间10。所述基座1包括底板11和盖设与所述底板11且与所述底板11共同形成收容空间10的上盖12。
所述振动单元2置于所述收容空间10。本实施方式中，所述振动单元2通过所述弹性件3支撑悬置于所述收容空间10内。
具体的，所述振动单元2包括质量块21、极芯22以及磁钢23。
所述质量块21包括通孔210和围设形成所述通孔210的孔壁211。所述质量块21由非导磁材料制成。
所述极芯22呈环状，其沿垂直振动方向的正投影为矩形，其极芯22的形状与所述通孔210的形状像对应以便于固定。所述极芯22收容于所述通孔210内。具体的，所述极芯22固定于所述孔壁211。所述极芯22包括相对且间隔设置的两个第一侧壁221和相对且间隔设置的两个第二侧壁222。具体的，两个所述第一侧壁221平行于所述极芯22的长轴方向设置，两个所述第二侧壁222平行于所述极芯22的短轴方向设置。
所述磁钢23包括两个，两个所述磁钢23设置于所述极芯22的相对两侧。即两个所述磁钢23固定于所述极芯22相对两侧。具体的，两个所述磁钢23分别固定于两个所述第一侧壁221。
所述弹性件3将所述振动单元2悬置于所述收容空间10。具体的，所述弹性件3一端固定于所述振动单元2，其另一端固定于所述基座1。具体的，所述弹性件3与所述上盖12连接，即所述弹性件3固定于所述基座1的所述上盖12。
所述线圈组件4固定于所述基座1并驱动所述振动单元2振动。所述线圈组件4延伸至两个所述磁钢23之间且与所述磁钢23间隔设置。
具体的，所述线圈组件4包括插设于所述通孔210内且与所述磁钢23间隔设置的铁芯41和固定于所述铁芯41的线圈42。
所述铁芯41包括用于绕设所述线圈42的铁芯本体411和由所述铁芯本体411的相对两端延伸且固定于所述基座1的铁芯延伸部412。所述线圈42绕设于所述铁芯本体411。具体的，所述铁芯本体411沿所述振动方向延伸。所述铁芯延伸部412包括连接于所述铁芯本体411的连接部4121和由所述连接部4121弯折延伸且固定于所述基座1的固定部4122，所述固定部4122固定于所述底板11。
为了增加所述铁芯41的磁通量，在磁力线集中阻塞处，也就是所述连接部4121，增加所述连接部4121的厚度，也就是所述连接部4121的厚度大于所述固定部4122的厚度。具体的，所述固定部4122的厚度自远离所述连接部4121的一端向靠近所述连接部4121的一端逐渐增加。当然，所述连接部的厚度自靠近所述固定部的一端向远离所述固定部的一端逐渐增加也是可以的。从而扩大磁力线流通，提升磁场强度，磁通量相应提升10%左右，使所述线性振动电机100振动性能好。
所述线圈42绕设于所述铁芯本体411且位于两个所述磁钢23之间。所述线圈42通电后，所述铁芯41形成磁场并与所述磁钢23的磁场相互作用，从而驱动所述振动单元2往复直线运动，产生振动效果。
当然，不仅是可通过增加所述铁芯41的所述连接部4121的厚度来提升磁场强度。更优的，为了增加所述极芯22的磁通量，在磁力线集中阻塞处，也就是所述第二侧壁222，增加所述第二侧壁222的厚度也是可以的。也就是所述第二侧壁222的厚度大于所述第一侧壁221的厚度。从而扩大磁力线流通，提升磁场强度，使所述线性振动电机100振动性能好。
与相关技术相比，本实用新型的线性振动电机的所述铁芯延伸部包括连接于所述铁芯本体的连接部和由所述连接部向所述基座方向延伸且固定于所述基座的固定部，并将所述铁芯的所述连接部的厚度增大，即所述连接部的厚度大于所述固定部的厚度。在不影响整体体积情况下，所述线性振动电机通过将所述铁芯的局部增大，从而扩大磁力线流通，并提升磁场强度，磁通量相应提升，从而使所述线性振动电机振动性能好。
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 (7)

  1. 一种线性振动电机，其包括具有收容空间的基座、置于所述收容空间的振动单元、将所述振动单元悬置于所述收容空间的弹性件以及固定于所述基座并驱动所述振动单元振动的线圈组件，所述振动单元包括具有通孔的质量块、收容于所述通孔内的极芯以及固定于所述极芯的磁钢，所述线圈组件包括插设于所述通孔内且与所述磁钢间隔设置的铁芯和固定于所述铁芯的线圈，其特征在于，所述铁芯包括用于绕设所述线圈的铁芯本体和由所述铁芯本体的相对两端延伸且固定于所述基座的铁芯延伸部，所述铁芯延伸部包括连接于所述铁芯本体的连接部和由所述连接部弯折延伸且固定于所述基座的固定部，所述连接部的厚度大于所述固定部的厚度。
  2. 根据权利要求1所述的线性振动电机，其特征在于，所述固定部的厚度由远离所述连接部的一端向靠近所述连接部的一端逐渐增加。
  3. 根据权利要求1所述的线性振动电机，其特征在于，所述连接部的厚度由靠近所述固定部的一端向远离所述固定部的一端逐渐增加。
  4. 根据权利要求1所述的线性振动电机，其特征在于，所述基座包括与所述弹性件连接的上盖以及与所述上盖固定形成所述收容空间的底板，所述固定部固定于所述底板。
  5. 根据权利要求1所述的线性振动电机，其特征在于，所述质量块包括围设形成所述通孔的孔壁，所述极芯固定于所述孔壁，所述极芯呈环状。
  6. 根据权利要求5所述的线性振动电机，其特征在于，所述磁钢为两个，两个所述磁钢设置于所述极芯的相对两侧。
  7. 根据权利要求1所述的线性振动电机，其特征在于，所述质量块由非导磁材料制成。
PCT/CN2019/110481 2018-12-30 2019-10-10 线性振动电机 Ceased WO2020140531A1 (zh)

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208589893U (zh) * 2018-08-03 2019-03-08 瑞声科技（南京）有限公司 线性振动电机
CN214626753U (zh) * 2021-03-26 2021-11-05 瑞声光电科技(常州)有限公司 一种新型线性振动马达
CN214626754U (zh) * 2021-03-31 2021-11-05 瑞声光电科技(常州)有限公司 一种线性振动马达
CN215186386U (zh) * 2021-04-29 2021-12-14 瑞声光电科技(常州)有限公司 线性振动电机
US11831215B2 (en) * 2021-05-06 2023-11-28 Aac Microtech (Changzhou) Co., Ltd. Linear vibration motor
CN217590568U (zh) * 2021-12-31 2022-10-14 瑞声光电科技(常州)有限公司 线性振动电机
CN217720995U (zh) * 2022-01-25 2022-11-01 瑞声光电科技(常州)有限公司 振动电机
CN115051525B (zh) * 2022-06-30 2025-04-04 瑞声光电科技(常州)有限公司 线性振动马达
US20240128846A1 (en) * 2022-10-18 2024-04-18 Nidec Corporation Vibration motor and tactile device including the same
WO2025184825A1 (zh) * 2024-03-06 2025-09-12 瑞声光电科技(常州)有限公司 振动马达

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09172667A (ja) * 1995-12-18 1997-06-30 Tokyo Parts Ind Co Ltd 携帯無線通信装置における偏平型振動モータの搭載構造
CN206834959U (zh) * 2017-04-14 2018-01-02 瑞声科技(新加坡)有限公司 振动电机
CN207354033U (zh) * 2017-07-12 2018-05-11 歌尔科技有限公司 线性振动马达
CN207530691U (zh) * 2017-12-12 2018-06-22 歌尔科技有限公司 线性振动马达
CN108880169A (zh) * 2018-08-03 2018-11-23 瑞声科技（南京）有限公司 线性振动电机
CN209389915U (zh) * 2018-12-30 2019-09-13 瑞声科技(新加坡)有限公司 线性振动电机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6173895B1 (en) * 1999-04-05 2001-01-16 Geo Labs, Inc. Articulated scan elements with elastomeric hinges, and methods for manufacture of same
CN106817006A (zh) * 2017-01-20 2017-06-09 瑞声科技(新加坡)有限公司 振动电机
CN107425692B (zh) * 2017-07-05 2019-11-19 瑞声科技（南京）有限公司 线性电机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09172667A (ja) * 1995-12-18 1997-06-30 Tokyo Parts Ind Co Ltd 携帯無線通信装置における偏平型振動モータの搭載構造
CN206834959U (zh) * 2017-04-14 2018-01-02 瑞声科技(新加坡)有限公司 振动电机
CN207354033U (zh) * 2017-07-12 2018-05-11 歌尔科技有限公司 线性振动马达
CN207530691U (zh) * 2017-12-12 2018-06-22 歌尔科技有限公司 线性振动马达
CN108880169A (zh) * 2018-08-03 2018-11-23 瑞声科技（南京）有限公司 线性振动电机
CN209389915U (zh) * 2018-12-30 2019-09-13 瑞声科技(新加坡)有限公司 线性振动电机

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