CN102820760A - Vibration motor, upper cover of vibration motor and production method of upper cover - Google Patents
Vibration motor, upper cover of vibration motor and production method of upper cover Download PDFInfo
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- CN102820760A CN102820760A CN2012100041125A CN201210004112A CN102820760A CN 102820760 A CN102820760 A CN 102820760A CN 2012100041125 A CN2012100041125 A CN 2012100041125A CN 201210004112 A CN201210004112 A CN 201210004112A CN 102820760 A CN102820760 A CN 102820760A
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Abstract
The invention provides an upper cover of a vibration motor. The upper cover comprises an upper cover body, a fixing member and a conductive soldering flake, wherein the upper cover body comprises a through hole, a soldering disk is arranged on the surface of the outer of the upper cover body, and the conductive soldering flake is fixed at a portion of the through hole of the upper cover body through the fixing member. The upper cover of the vibration motor has the advantages of being simple in structure and assembly. The invention also provides the vibration motor which uses the upper cover and a production method of the upper cover.
Description
Technical field
The present invention relates to loam cake of a kind of vibrating motor, vibrating motor and preparation method thereof.
Background technology
Portable consumer property electronic product; Like mobile phone, handheld device, guider or palm multimedia entertainment equipment etc.; Generally can use vibrating motor and do system feedback; Such as the incoming call prompting of mobile phone, vibrational feedback of game machine or the like, wherein used motor mainly contains column motor unshakable in one's determination, drag cup motor and flat electric machine several types.
Along with consumption electronic products develop towards frivolous direction, its inner various components and parts also need adapt to frivolous trend.Motor is no exception.
Vibrating motor is meant that the direction of vibration of oscillator is the reciprocating motion of straight line, because its vibration steadily, noise is little, is widely used to be installed on the consumption electronic products.The structure of linear vibration electric motor; Can be with reference to the United States Patent (USP) the 7th of the 6th, 466, No. 682, on 08 29th, 2006 bulletins of announcing on October 15,2005 disclosed one Chinese patent application CN200480000815.4 number, 2002 November 23 in of United States Patent (USP); 099, No. 489 etc.
Vibrating motor also need be provided with the Circuits System that is attached thereto except mechanical system.Yet in known relevant technology; All adopt extra printed circuit board (PCB) with a plurality of both positive and negative polarity weld tabs and auxiliary weld tabs; Be fixed on the case surface of vibrating motor, as circuit connecting mode, thereby the circuit that vibrating motor is inner is connected with external control circuit.In addition, have good electric property in order to guarantee vibrating motor, also need be on the shell of vibrating motor welding machine ground pad in addition.As stated, adopt printed circuit board (PCB) independently to guarantee the connection of the Circuits System of vibrating motor, have more element and assembling complexity, and circuit board is arranged on the case surface of vibrating motor, influences the evenness of the outside of vibrating motor.
Therefore, be necessary to propose a kind of new technical scheme, reduce the structure of vibrating electrode and assemble complexity and improve the outside evenness of vibrating electrode.
Summary of the invention
The technical problem that the present invention will solve provides a kind of structure and assembles simple vibrating motor, provides simultaneously and corresponding loam cake of vibrating motor and preparation method thereof.
A kind of loam cake of vibrating motor comprises loam cake body, fixture and conduction weld tabs, and said loam cake body comprises through hole, and its outer surface is provided with pad, and said conduction weld tabs is fixed on the through hole of said loam cake body through said fixture.
According to a preferred embodiment of the invention, the outer surface of said loam cake body is provided with pad.
According to a preferred embodiment of the invention, said ground pad is formed on the outer surface of said loam cake body through the mode of electroplating.
According to a preferred embodiment of the invention; Said conduction weld tabs comprises main weld zone and auxiliary weld zone; Said weld zone is from the exposed at both sides of said through hole, and is provided with the outer surface flush of said loam cake body, and said auxiliary weld zone is exposed to the inner surface of said fixture.
According to a preferred embodiment of the invention, said conduction weld tabs also comprises and is arranged on its end fixedly reinforcement and bending structure, to strengthen the bond strength of said conduction weld tabs and said fixture.
According to a preferred embodiment of the invention, said fixture is a working of plastics, and itself and said loam cake body and said conduction weld tabs form combination through injection molding way.
According to a preferred embodiment of the invention, said fixture is a working of plastics, and itself and said conduction weld tabs form combination through injection molding way.
According to a preferred embodiment of the invention, said fixture and said conduction weld tabs all are at least two, and the corresponding conduction weld tabs setting of each fixture.
According to a preferred embodiment of the invention, said fixture is provided with main welding hole and auxiliary welding hole, the main weld zone of the corresponding said conduction weld tabs of said main welding hole, the auxiliary weld zone of the corresponding said conduction weld tabs of said auxiliary welding hole.
According to a preferred embodiment of the invention; Said main welding hole and the auxiliary welding hole of stating fixture has the bulge-structure corresponding with the through hole of loam cake body on every side; So that said fixture is fixed on said loam cake body, and said bulge-structure is concordant with the outer surface of said loam cake body.
A kind of vibrating motor comprises loam cake, cooperates the shell that forms spatial accommodation with loam cake and is housed in the electromagnetical vibration system in the said spatial accommodation that said loam cake is above-mentioned any described loam cake.
A kind of manufacture method of loam cake of vibrating motor, it comprises step: form the loam cake body with through hole;
Form the conduction weld tabs; Form fixture through injection molding process, and said loam cake body and conduction weld tabs be integrally formed the combination of structure with said fixture, said conduction weld tabs correspondence is arranged on the through hole of said body.
According to a preferred embodiment of the invention, in the step of said formation loam cake body, also be included in the step that loam cake body outer surface forms pad.
According to a preferred embodiment of the invention, in the step of said formation conduction weld tabs, also be included in the step that forms the weld zone on the conduction weld tabs, said weld zone exposes through the through hole of said loam cake body.
A kind of manufacture method of loam cake of vibrating motor, it comprises step: form the loam cake body with through hole; Form the conduction weld tabs; Form fixture through injection molding process, and said conduction weld tabs is integrally formed the combination of structure with said fixture; The combination that said conduction weld tabs and said fixture form is arranged on the through hole of said loam cake body.
According to a preferred embodiment of the invention, in the step of said formation loam cake body, also be included in the step that loam cake body outer surface forms pad.
According to a preferred embodiment of the invention, in the step of said formation conduction weld tabs, also be included in the step that forms the weld zone on the conduction weld tabs, said weld zone exposes through the through hole of said loam cake body.
Compared to prior art; The outer surface of the loam cake of vibrating motor of the present invention is provided with pad through modes such as plating; And loam cake body, fixture and corresponding conduction weld tabs form a complete combination through injection molding way; The conduction weld tabs can expose its weld zone from the interior outer surface of loam cake body, makes things convenient for the welding of external circuit and internal circuit and conduction weld tabs.Said superstructure and assembling with conduction weld tabs is simple, and bond strength is high, has higher working stability type.Simultaneously, because loam cake passes through the integrated through injection molding moulding, the inner surface that can the fixture and the conduction weld tabs of complicacy be arranged on loam cake, and concordant in the outer surface of loam cake, thus the evenness of better controlled loam cake outer surface.
Description of drawings
Fig. 1 is the solid assembling sketch map of the specific embodiment of vibrating motor of the present invention.
Fig. 2 is the perspective exploded view of vibrating motor shown in Figure 1.
Fig. 3 is the side sectional view of vibrating motor shown in Figure 1.
Fig. 4 is the manufacture craft flow chart of the loam cake of vibrating motor shown in Figure 1.
Fig. 5 is the another kind of manufacture craft flow chart of the loam cake of vibrating motor shown in Figure 1.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The present invention is a kind of flat linear vibrating motor, is mainly used on the consumption electronic products such as mobile phone, handheld device, for the user provides the vibration feedback.
Please join Fig. 1 and Fig. 2 simultaneously, wherein Fig. 1 is the three-dimensional package assembly sketch map of the specific embodiment of vibrating motor of the present invention, and Fig. 2 is the perspective exploded view of vibrating motor shown in Figure 1.This vibrating motor 100 comprises loam cake 11, cooperates with shell 12 that forms spatial accommodation and elastic supporting member for supporting optical member 13, the electromagnetical vibration system 20 that is housed in spatial accommodation with loam cake 11 assemblings.This electromagnetical vibration system 20 comprises the electromagnetical vibration system that coil 14, balancing weight 15 and permanent magnet 16 elements of annular are formed.
This shell 12 comprises diapire 121 and four sidewalls 122 that center on diapire 121.These four sidewalls 133 are end to end, and cooperate this diapire 121 to surround tool opening receiving space.
This loam cake 11 is roughly flat combination, and it closes on the opening part setting of this shell 12.This loam cake 11 comprises loam cake body 111, two fixtures 115 and the conduction weld tabs 118 corresponding with this fixture 115.
This loam cake body 111 is roughly rectangle, is processed by the metal material punching press, and it comprises outer surface (not label) and inner surface (not label), and four jiaos of correspondences of its outer surface are provided with four grounded pad 112.This ground pad 112 can be arbitrary shapes such as rectangle, rhombus, L shaped, irregular shape, as long as can satisfy the welding demand of lead, does not limit at this.Evenness for the outer surface that keeps loam cake 11; Ground pad 112 can be the mode through spot welding; Preferably be formed on loam cake body 111 outer surfaces with the mode of electroplating; Can satisfy the welding demand like this, the thickness that can as far as possible reduce ground pad 112 is arranged, guarantee the evenness of the outer surface of loam cake 11.In addition, the position of this ground pad 112 does not limit yet, and can also be arranged on other positions of these loam cake body 111 outer surfaces.
These loam cake body 111 zone lines are provided with many group through holes 114, every group of through hole 114 corresponding fixtures 115 and a conduction weld tabs 118.Wherein, every group of through hole 114 can comprise main through hole 1141 and a plurality of auxiliary through hole 1142.In this execution mode, this loam cake body 111 comprises two groups of through holes 114, and every group of through hole 114 comprises a main through hole 1141 and two auxiliary through hole 1142 that are arranged on its both sides, forms stripe-arrangement.
This fixture 115 is roughly the list structure corresponding with every group of through hole 114, and it is provided with welding hole 116, and this welding hole 116 comprises main welding hole 1161 and a plurality of auxiliary welding holes 1162 that are arranged on main welding hole 1161 both sides.The main through hole 1141 of these main welding hole 1161 corresponding loam cake bodies 111, the auxiliary through hole 1142 of these auxiliary welding hole 1162 corresponding loam cake bodies 111.Further; The all lobed bulge-structure 117 corresponding around each welding hole 116 with through hole 114 structures; Bulge-structure 117 is concordant with the outer surface of loam cake body 111, with convenient fixture 115 is fixed on loam cake body 111 through bulge-structure 117 corresponding through holes 114.Further, the area of the area of this main welding hole 1161 greater than this auxiliary welding hole 1162 can be set, with convenient welding outer lead.Wherein this fixture 115 is processed for insulating material, but the insulating material of plastics or other injection mo(u)ldings for example.
This conducts electricity weld tabs 118 and the corresponding one by one setting of this fixture 115, and it is roughly list structure equally.This conduction weld tabs 118 comprises main weld zone 1181, auxiliary weld zone 1182, fixedly reinforcement 1183 and bending structure 1184.1181 pairs of this main weld zones should fixture 115 the position of main welding hole 1161 be provided with.Should auxiliary weld zone 1182 pairs should fixture 115 the position of auxiliary welding hole 1162 be provided with.Fixedly reinforcement 1183 can increase the bonding area of this auxiliary weld zone 1182, also can strengthen the bond strength of this conduction weld tabs 118 and this fixture 115.This bending structure 1184 is arranged on the end of this conduction weld tabs 118, is used to strengthen the bond strength of this conduction weld tabs 118 and this fixture 115, and prevents that these conduction weld tabs 118 relative these fixtures 115 are subjected to displacement.This conduction weld tabs 118 can be made through technologies such as punching press, cuttings.
This conduction weld tabs 118 can be fixedly installed in the fixture 115 through injection molding way; Make this main weld zone 1181 and should assist welding hole 1162 to come out through this main welding hole 1161 with being somebody's turn to do respectively in auxiliary weld zone 1182, be convenient to it and be connected with external control circuit.Wherein there is a step between this main weld zone 1181 and this auxiliary weld zone 1182, makes main weld zone 1181 form the convex structures.After assembling is accomplished, the surperficial flush of the face of weld of this main weld zone 1181 and this fixture 115, thus guarantee the whole planarization of the outer surface of this loam cake 11.The bending structure 1184 of this conduction weld tabs 118, fixedly reinforcement 1183 and auxiliary weld zone 1182 parts are embedded in this fixture 115, thereby should guarantee conduction weld tabs 118 and these fixture 115 bond strengths.Auxiliary weld zone 1182 major parts are exposed to fixture 115 inner surfaces, are convenient to be electrically connected with vibrating motor 100 inner electromagnetical vibration system.
For fear of conduction weld tabs 118 and the problems such as short circuit that cause being connected of other conductors; Can the non-welding region of conduction weld tabs 118 partially or completely be buried in this fixture 115; Only assist weld zone 1182 to expose out with being somebody's turn to do this main weld zone 1181, to connect external circuit from two apparent surfaces of fixture 115 or through welding hole 116.
Seeing also Fig. 3 again, is the side sectional view of this vibrating motor 100.The two ends lead-in wire of the coil 13 of this electromagnetical vibration system 20 is connected on the main weld zone 1181 or auxiliary weld zone 1182 of two conduction weld tabs 118 from the inner surface of this loam cake 11 respectively.These two conduction weld tabs 118 are used to be connected external circuit in the main weld zone 1181 of the outer surface of this loam cake 11 with auxiliary weld zone 1182.Special, this coil 13 can also be fixed on the space between two fixtures 115 of inner surface of this loam cake 11, to strengthen its stability.
It is one-body molded that this loam cake body 111, this fixture 115 and the weld tabs 118 that should conduct electricity can pass through injection molding way.See also the manufacture craft flow chart of loam cake shown in Figure 4 11, this process flow process comprises the steps:
Step S1 forms the loam cake body with through hole and pad;
Step S2 forms the conduction weld tabs with weld zone;
Step S3 through the combination that injection molding process forms this loam cake body, this fixture and is somebody's turn to do the conduction weld tabs, forms the loam cake of this vibrating motor.Concrete:
In step S1, can process loam cake body 111 and inner through hole 114 thereof through technologies such as punching press, cuttings by metal material, simultaneously through electroplating technology, on loam cake body 111, form ground pad 112;
In step S2; This conduction weld tabs 118 also can be processed through technologies such as punching press, cuttings; On conduction weld tabs 118, forming in the lump simultaneously should main weld zone 1181 and auxiliary weld zone 1182, can also form this bending structure 1184 and fixing reinforcement 1183 in the time of necessary in the lump;
In step S3, this loam cake body 111 and this conduction weld tabs 118 are placed on the injection mold precalculated position of (figure does not show), the form formation fixture 115 through injection moulding is fixed together this loam cake body 111 and conduction weld tabs 118 through this fixture 115.Wherein welding hole 116 regions of this fixture 115 are located in the loam cake body 111 through through hole 114 fixed card of loam cake body 111, thereby form constitutionally stable loam cake 11 combinations.
In addition; Also can be earlier with fixture 115 and the 118 integrated through injection molding moulding of conduction weld tabs; Combination correspondence with fixture 115 and conduction weld tabs 118 is fixed on loam cake body 111 again, and exposes through through hole 114 and conduct electricity the main weld zone 1181 and the auxiliary weld zone 1182 of weld tabs 118.Concrete steps are as shown in Figure 5, comprising:
Step S1 ' forms the conduction weld tabs with weld zone;
Step S2 ' forms fixture through injection molding process, and this fixture forms combination with this conduction weld tabs;
Step S3 ' forms the loam cake body with through hole and pad;
Step S4 ' is arranged on the through hole of this loam cake with the combination of this fixture and this conduction weld tabs, and wherein, the weld zone correspondence of this conduction weld tabs is arranged on the through hole of this body, makes the loam cake of this vibrating motor.
Compared to prior art; The outer surface of the loam cake 11 of vibrating motor 100 of the present invention is provided with ground pad 112 through modes such as plating; And loam cake body 111, fixture 115 and corresponding conduction weld tabs 118 form a complete combination through injection molding way; Conduction weld tabs 118 can expose its main weld zone 1181 and auxiliary weld zone 1182 from the interior outer surface of loam cake body 111, makes things convenient for the welding of external circuit and internal circuit and conduction weld tabs 118.This loam cake 11 structures and assembling with conduction weld tabs 118 is simple, and bond strength is high, has higher working stability type.
Simultaneously; Because loam cake 11 is through the integrated through injection molding moulding; The inner surface that can the fixture 115 and the conduction weld tabs 118 of complicacy be arranged on loam cake 11 simultaneously, and with concordant with the outer surface of loam cake 11 through welding hole 116, and ground pad 112 is outer surfaces that Direct Electroplating is arranged on loam cake 11; Have extremely small thickness, can be good at controlling the evenness of loam cake 11 outer surfaces through above-mentioned configuration.
The above is merely preferred embodiments of the present invention; Protection scope of the present invention is not exceeded with above-mentioned execution mode; As long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (17)
1. the loam cake of a vibrating motor; Comprise loam cake body, fixture and conduction weld tabs; It is characterized in that: said loam cake body comprises through hole, and its outer surface is provided with pad, and said conduction weld tabs is fixed on the through hole of said loam cake body through said fixture.
2. the loam cake of vibrating motor according to claim 1, it is characterized in that: the outer surface of said loam cake body is provided with pad.
3. the loam cake of vibrating motor according to claim 2 is characterized in that: said ground pad is formed on the outer surface of said loam cake body through the mode of electroplating.
4. the loam cake of vibrating motor according to claim 1; It is characterized in that: said conduction weld tabs comprises main weld zone and auxiliary weld zone; Said weld zone is from the exposed at both sides of said through hole; And be provided with the outer surface flush of said loam cake body, said auxiliary weld zone is exposed to the inner surface of said fixture.
5. the loam cake of vibrating motor according to claim 4 is characterized in that: said conduction weld tabs also comprises and is arranged on its end fixedly reinforcement and bending structure, to strengthen the bond strength of said conduction weld tabs and said fixture.
6. the loam cake of vibrating motor according to claim 1, it is characterized in that: said fixture is a working of plastics, itself and said loam cake body and said conduction weld tabs form combination through injection molding way.
7. the loam cake of vibrating motor according to claim 2, it is characterized in that: said fixture is a working of plastics, itself and said conduction weld tabs form combination through injection molding way.
8. the loam cake of vibrating motor according to claim 5, it is characterized in that: said fixture and said conduction weld tabs all are at least two, and the corresponding conduction weld tabs setting of each fixture.
9. the loam cake of vibrating motor according to claim 8; It is characterized in that: said fixture is provided with main welding hole and auxiliary welding hole; The main weld zone of the corresponding said conduction weld tabs of said main welding hole, the auxiliary weld zone of the corresponding said conduction weld tabs of said auxiliary welding hole.
10. the loam cake of vibrating motor according to claim 9; It is characterized in that: said main welding hole and the auxiliary welding hole of stating fixture has the bulge-structure corresponding with the through hole of loam cake body on every side; So that said fixture is fixed on said loam cake body, and said bulge-structure is concordant with the outer surface of said loam cake body.
11. a vibrating motor comprises loam cake, cooperates the shell that forms spatial accommodation with loam cake and is housed in the electromagnetical vibration system in the said spatial accommodation, it is characterized in that: said loam cake is like any described loam cake of claim 1-10.
12. the manufacture method of the loam cake of a vibrating motor, it comprises step:
Formation has the loam cake body of through hole;
Form the conduction weld tabs;
Form fixture through injection molding process, and said loam cake body and conduction weld tabs be integrally formed the combination of structure with said fixture, said conduction weld tabs correspondence is arranged on the through hole of said body.
13. the manufacture method of the loam cake of vibrating motor according to claim 12 is characterized in that: in the step of said formation loam cake body, also be included in the step that loam cake body outer surface forms pad.
14. the manufacture method of the loam cake of vibrating motor according to claim 12; It is characterized in that: in the step of said formation conduction weld tabs; Also be included in the step that forms the weld zone on the conduction weld tabs, said weld zone exposes through the through hole of said loam cake body.
15. the manufacture method of the loam cake of a vibrating motor, it comprises step:
Formation has the loam cake body of through hole;
Form the conduction weld tabs;
Form fixture through injection molding process, and said conduction weld tabs is integrally formed the combination of structure with said fixture;
The combination that said conduction weld tabs and said fixture form is arranged on the through hole of said loam cake body.
16. the manufacture method of the loam cake of vibrating motor according to claim 15 is characterized in that: in the step of said formation loam cake body, also be included in the step that loam cake body outer surface forms pad.
17. the manufacture method of the loam cake of vibrating motor according to claim 15; It is characterized in that: in the step of said formation conduction weld tabs; Also be included in the step that forms the weld zone on the conduction weld tabs, said weld zone exposes through the through hole of said loam cake body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100041125A CN102820760A (en) | 2012-01-06 | 2012-01-06 | Vibration motor, upper cover of vibration motor and production method of upper cover |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100041125A CN102820760A (en) | 2012-01-06 | 2012-01-06 | Vibration motor, upper cover of vibration motor and production method of upper cover |
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| CN2012100041125A Pending CN102820760A (en) | 2012-01-06 | 2012-01-06 | Vibration motor, upper cover of vibration motor and production method of upper cover |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208613A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208600A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106230222A (en) * | 2016-07-20 | 2016-12-14 | 瑞声科技(新加坡)有限公司 | Vibrating motor |
| US10483833B2 (en) | 2017-01-27 | 2019-11-19 | Nidec Seimitsu Corporation | Vibration motor |
| TWI688191B (en) * | 2019-01-28 | 2020-03-11 | 富祐鴻科技股份有限公司 | Vibration element |
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| CN2845298Y (en) * | 2005-11-03 | 2006-12-06 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| CN201717716U (en) * | 2009-12-14 | 2011-01-19 | 瑞声声学科技(常州)有限公司 | Motor and electric connecting device applied thereon |
| CN201742280U (en) * | 2010-06-11 | 2011-02-09 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
| US20110316361A1 (en) * | 2010-06-29 | 2011-12-29 | Samsung Electro-Mechanics Co., Ltd. | Horizontal linear vibrator |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2845298Y (en) * | 2005-11-03 | 2006-12-06 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| CN201717716U (en) * | 2009-12-14 | 2011-01-19 | 瑞声声学科技(常州)有限公司 | Motor and electric connecting device applied thereon |
| CN201742280U (en) * | 2010-06-11 | 2011-02-09 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
| US20110316361A1 (en) * | 2010-06-29 | 2011-12-29 | Samsung Electro-Mechanics Co., Ltd. | Horizontal linear vibrator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230222A (en) * | 2016-07-20 | 2016-12-14 | 瑞声科技(新加坡)有限公司 | Vibrating motor |
| CN106208613A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208600A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208600B (en) * | 2016-07-21 | 2018-09-21 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208613B (en) * | 2016-07-21 | 2018-09-21 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| US10483833B2 (en) | 2017-01-27 | 2019-11-19 | Nidec Seimitsu Corporation | Vibration motor |
| TWI688191B (en) * | 2019-01-28 | 2020-03-11 | 富祐鴻科技股份有限公司 | Vibration element |
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Application publication date: 20121212 |