CN205490073U - Vibration motor - Google Patents
Vibration motor Download PDFInfo
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- CN205490073U CN205490073U CN201620008690.XU CN201620008690U CN205490073U CN 205490073 U CN205490073 U CN 205490073U CN 201620008690 U CN201620008690 U CN 201620008690U CN 205490073 U CN205490073 U CN 205490073U
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- coil
- vibrating motor
- pole piece
- copper sheet
- oscillator
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Abstract
The utility model provides a vibration motor, its including have accommodation space the casing, set up in elastic support elements, quilt in the accommodation space elastic support elements support and the suspension in oscillator in the casing and with the fixed stator of casing, the stator includes the coil of fixing with the casing, the oscillator is including the magnet steel components who has at least one magnet steel, the stator still includes the perpendicular to the electromagnetic damping of copper sheet in order to increase the magnetic circuit that the oscillator direction of vibration set up. The utility model provides a be provided with the copper sheet among the vibration motor, can increase electromagnetic damping under the condition that does not influence drive power.
Description
Technical field
This utility model relates to a kind of vibrating motor, particularly relates to a kind of vibrating motor for portable consumer electronic product.
Background technology
Development along with electronic technology, portable consumer electronic product is increasingly pursued by people, such as mobile phone, handheld device, guider or palm multimedia entertainment equipment etc., typically all can use vibrating motor to do system feedback, the incoming call prompting of such as mobile phone, information alert, navigation hint, the vibrational feedback etc. of game machine.
The linear oscillator relevant to this utility model mainly includes be provided with the housing accommodating space, it is contained in the coil of housing, it is connected to the resilient support part of housing, is elastically supported part and is suspended on and accommodates the oscillator that is made up of mass and permanent magnet of space, coil is relative with oscillator and separated by a distance, vibrates in order to drive vibrator.Due to the trend that consumption electronic products are lightening, the volume that result in element to reduce accordingly.Cutting the magnetic line of force of permanent magnet generation by voice coil loudspeaker voice coil during vibrating motor vibration thus produce electromagnetic damping, electromagnetic damping to be increased can only be by increasing winding volume.But due to the volumetric constraint of consumption electronic products, the volume of coil often can not carry out increasing maybe can only increasing on a small quantity, thus can not meet the demand of product.
Therefore, how to increase electromagnetic damping in the case of not increasing winding volume, the response time improving vibrating motor becomes a problem demanding prompt solution.
Utility model content
The purpose of this utility model is the technical problem for solving to increase electromagnetic damping in the case of not increasing winding volume, and this utility model provides a kind of electromagnetic damping big, the vibrating motor that response time is short.
This utility model provides a kind of vibrating motor, it includes having the receiving housing in space, the elastic supporting member for supporting optical member being arranged in described receiving space, supported and be suspended in the oscillator in described housing and the stator fixing with described housing by described elastic supporting member for supporting optical member, described stator includes the coil fixing with housing, described oscillator includes the magnetic steel component with at least one magnet steel, and described stator also includes that the copper sheet being perpendicular to the setting of described oscillator vibration direction is to increase the electromagnetic damping of magnetic circuit.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, described stator also includes the pole piece fixing with described housing, and described copper sheet is attached at the described pole piece surface towards described oscillator direction.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, described housing includes having the main casing accommodating space and the cover plate coordinated with described main casing, and described pole piece includes the first pole piece being arranged on cover plate and is arranged at the second pole piece on described main casing.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, described first pole piece is attached at the described cover plate surface towards described oscillator direction, described coil is arranged between described first pole piece and described oscillator, and described copper sheet is arranged between described first pole piece and described coil.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, described coil includes first coil and the second coil being arranged side by side, and described copper sheet is carrying first coil and the single piece type copper sheet of the second coil.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, described coil includes first coil and the second coil being arranged side by side, and described copper sheet includes the first copper sheet and the second copper sheet of carrying the second coil carrying first coil.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, described second pole piece is attached at the described main casing surface towards described oscillator direction, and described copper sheet is attached at described second pole piece surface towards described oscillator direction.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, described housing includes inner surface and the outer surface relative with described inner surface, described housing is provided with the resettlement section extending through described outer surface from the inner surface of described housing towards the direction of described outer surface, and described stationary part is contained in described resettlement section.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, the surface of the most described oscillator of described pole piece flushes with the outer surface of described housing.
In a kind of preferred embodiment of the vibrating motor of this utility model offer, the shape of described copper sheet is corresponding with the shape of described coil.
The vibrating motor that this utility model provides is provided with copper sheet, because the copper sheet of same volume can produce bigger electromagnetic damping than the voice coil loudspeaker voice coil of same volume.In addition, described copper thickness is relatively thin, and it is the least that the thickness of the magnet steel of the most described oscillator reduces degree, can increase electromagnetic damping in the case of not affecting driving force.Further, by arranging resettlement section on housing, and pole piece is contained in resettlement section, therefore can suitably increase the thickness of magnet steel, thus sufficiently utilize vibrating motor thickness space, and improve the thickness of magnet steel.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the three-dimensional exploded view of the vibrating motor that this utility model embodiment one provides；
Fig. 2 is the decomposed figure of the vibrating motor shown in Fig. 1；
Fig. 3 is the sectional view of the vibrating motor shown in Fig. 1；
Fig. 4 is the sectional view of the vibrating motor that this utility model embodiment two provides；
Fig. 5 is the sectional view of the vibrating motor that this utility model embodiment three provides；
Fig. 6 is the sectional view of the vibrating motor that this utility model embodiment four provides；
Fig. 7 is the sectional view of the vibrating motor that this utility model embodiment five provides；
Fig. 8 be this utility model embodiment five is provided the sectional view of a kind of improved procedure of vibrating motor.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment one
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the three-dimensional exploded view of the vibrating motor that this utility model embodiment one provides；Fig. 2 is the decomposed figure of vibrating motor shown in Fig. 1；Fig. 3 is the sectional view of vibrating motor shown in Fig. 1.Described vibrating motor 100 includes having the receiving housing 11 in space, the elastic supporting member for supporting optical member 12 being arranged in described receiving space, supported and be suspended in the oscillator 13 in described housing 11 and the fixing stator 14 of described housing 11 by described elastic supporting member for supporting optical member 12 and be installed on the stopper 15 in described housing 11.Described stator 14 at least portion is contained in accommodated space.
Described housing 11 includes that main casing 111 and cover plate 112, described main casing 111 and described cover plate 112 assemble formation and accommodate space, and described housing 11 includes inner surface 1101 and the outer surface 1102 relative with described inner surface 1101.
Described oscillator 13 includes mass 131 and magnetic steel component 132, described magnetic steel component 132 is embedded in described mass 131, described mass 131 has the multiple accommodating area 1311 being formed on described mass 131, and multiple described accommodating area 1311 are used for housing described magnetic steel component 132.In the present embodiment, multiple described accommodating area 1311 arrange in parallel mode.Described magnetic steel component 132 includes multiple magnet steel 1321.Multiple described magnet steel 1321 are arranged with multiple described accommodating area 1311 one_to_one corresponding, it is preferred that the quantity of multiple described magnet steel 1321 is two, and the quantity of corresponding described accommodating area 1311 is also two.
The two ends of described elastic supporting member for supporting optical member 12, one end is connected with described oscillator 13, and the other end is connected with described main casing 11, thus is suspended in described receiving space by described oscillator 13.Specifically, the two ends of described elastic supporting member for supporting optical member 12 are connected with described mass 131 and described main casing 11 respectively.In the present embodiment, the number of described elastic supporting member for supporting optical member 12 is two, and two described elastic supporting member for supporting optical member 12 are respectively arranged on the two ends of described oscillator 13, thus are suspended in described receiving space by described oscillator 13.
Shown in stator 14 include that the first pole piece 141 being arranged on cover plate 112 and described first pole piece 141 are positioned at the copper sheet 142 of housing 11 homonymy and coil 143 and are positioned at the second pole piece 144 of housing 11 opposite side.Described first pole piece 141 is attached at the described cover plate 112 surface towards described oscillator 13 direction, and described copper sheet 142 is attached at described first pole piece 141 surface towards described oscillator 13 direction.Described first pole piece 141 is for reducing the leakage field of described vibrating motor 100.Described copper sheet 142 is arranged between described cover plate 112 and described coil 143.When described oscillator 13 vibrates, described copper sheet 142 is understood cutting magnetic line thus is produced electromagnetic damping.And described copper sheet 142 is bigger than the electromagnetic damping of described coil 143 under same volume, such that it is able to the effective electromagnetic damping increasing magnetic circuit in the case of not increasing described coil 143 volume.Described coil 143 is located between described oscillator 13 and described copper sheet 142, and is correspondingly arranged with described magnetic steel component 132.In the present embodiment, described coil 143 is fixed on the surface of described copper sheet 142.Described coil 143 is flat circulus, and the shape of described copper sheet 142 is corresponding with the shape of described coil 143.
In the present embodiment, described second pole piece 144 is arranged at the described main casing 111 surface towards described oscillator 13 direction.In addition, described second pole piece 144 can also be attached at the described oscillator 13 surface towards described main casing 111 direction.
Described stopper 15 is located between described elastic supporting member for supporting optical member 12 and described housing 11, and is fixed on the surface of described cover plate 112.In the present embodiment, the number of described stopper 15 is two, and described stopper 15 can limit the shock between described elastic supporting member for supporting optical member 12 and described main casing 111.
Embodiment two
Refer to Fig. 4, be the sectional view of the vibrating motor that this utility model embodiment two provides.The present embodiment includes housing 21, elastic supporting member for supporting optical member 22, oscillator 23, stator 24 and stopper 25 equally as a kind of deformation program of embodiment one, the vibrating motor 200 provided in the present embodiment.The structure of the described vibrating motor 100 that the structure of the vibrating motor 200 that the present embodiment provides provides with embodiment one is substantially the same, and repeats no more here.In the present embodiment, described housing 21 includes having the main casing 211 accommodating space and the cover plate 212 coordinated with described main casing 211.Described stator 24 includes the first pole piece 241, copper sheet 242, coil 243 and the second pole piece 244.The difference of the two is, the structure of the cover plate 212 of the vibrating motor 200 that the present embodiment provides is different from embodiment one.
Specifically, described cover plate 212 is provided with the resettlement section 2121 extending through described outer surface from the inner surface of described housing 21 towards the direction of described outer surface, described first pole piece 241 is contained in described resettlement section 2121, and its edge is fixing with described cover plate 212 is connected, described first pole piece 241 and described cover plate 212 can be by welding or other modes be connected.Preferably, the surface in described first pole piece 241 the most described oscillator 23 direction and the surface in described cover plate 212 the most described oscillator 23 direction are in same plane.Described copper sheet 242 is attached at described first pole piece 241 and towards the surface in described oscillator 23 direction and is partially housed in described resettlement section 2121, and described copper sheet 242 extends described resettlement section 2121 and enters receiving space towards described oscillator 23 direction.The described copper sheet 242 surface towards described oscillator 23 direction is located at by described coil 243, and there is gap between described coil 243 and described oscillator 23.
Increasing copper sheet 242 while improving magnetic circuit electromagnetic damping, by can increase the thickness of magnet steel in the case of not increasing described vibrating motor 200 thickness in described cover plate 212 surface configuration resettlement section 2121, make full use of described vibrating motor 200 thickness space, reduce the demagnetization phenomenon of described magnet steel, thus improve the performance of described vibrating motor 200.
Embodiment three
Refer to Fig. 5, be the sectional view of the vibrating motor that this utility model embodiment three provides.The present embodiment is the another kind of deformation program of embodiment one, the vibrating motor 300 provided in the present embodiment includes housing 31, elastic supporting member for supporting optical member 32, oscillator 33, stator 34 and stopper 35, described housing 31 includes having the main casing 311 accommodating space and the cover plate 312 coordinated with described main casing 311, and described stator 34 includes the first pole piece 341, copper sheet 342, coil 343 and the second pole piece 344.The structure of the vibrating motor 100 that the structure of the vibrating motor 300 that the present embodiment provides provides with embodiment one is substantially the same, and repeats no more here.The difference of the two is, the second pole piece 344 of the stator 34 of the vibrating motor 300 that the present embodiment provides and the fixed position of copper sheet 342 are different from embodiment one.
Specifically, second pole piece 344 of described stator 34 is attached at the main casing 311 surface toward described oscillator 33 side of the housing 31 of described vibrating motor 300, and the projection that described second pole piece 344 is on the surface of described oscillator 33 covers the magnetic steel component 332 of described oscillator 33.Described copper sheet 342 is located at described second pole piece 344 surface towards described oscillator 33 direction.And there is gap between described copper sheet 342 and described oscillator 33.Described first pole piece 341 is attached at the cover plate 312 surface toward described oscillator 33 side of described vibrating motor 300, and described first pole piece 341 surface towards described oscillator 33 direction is located at by described coil 343.
By at described second pole piece 344 towards copper sheet 342 described in the surface configuration in described oscillator 33 direction, the electromagnetic damping of described magnetic circuit can be increased.
Embodiment four
Refer to Fig. 6, be the sectional view of the vibrating motor that this utility model embodiment four provides.The present embodiment is a kind of deformation program of embodiment three, and the vibrating motor 400 provided in the present embodiment includes housing 41, elastic supporting member for supporting optical member 42, oscillator 43, stator 44 and stopper 45.Described housing 41 includes main casing 411 and cover plate 412；Described stator 44 includes the first pole piece 441, copper sheet 442, coil 443 and the second pole piece 444.The structure of the vibrating motor 300 that the structure of the vibrating motor 400 that the present embodiment provides provides with embodiment three is essentially identical.The difference of the two is, the structure of the main casing 411 of the vibrating motor 400 that the present embodiment provides is different from the structure of the main casing 311 of described vibrating motor 300.
In the present embodiment, described main casing 411 is provided with the resettlement section 4111 extending through described outer surface from the inner surface of described housing towards the direction of described outer surface, described resettlement section 4111 is correspondingly arranged with the second pole piece 444 of described vibrating motor 400, described second pole piece 444 is contained in described resettlement section 4111, and its edge is fixed with described main casing 411 and is connected.Preferably, the surface in described second pole piece 444 the most described oscillator 43 direction and the surface in described main casing 411 the most described oscillator 43 direction are in same plane.Described copper sheet 442 is partially housed in described resettlement section 4111, and extends described resettlement section 4111 towards the direction of described oscillator 43 and extend to, in described receiving space, there is gap between described copper sheet 442 and described oscillator 43.The thickness of the magnet steel of described oscillator 43 is increased in the case of resettlement section 4111 described in described main casing 411 surface configuration can not increase described vibrating motor 400 thickness, make full use of described vibrating motor 400 thickness space, reduce the demagnetization phenomenon of described magnet steel, thus improve the performance of described vibrating motor 400.
Embodiment five
Refer to Fig. 7, be the sectional view of the vibrating motor that this utility model embodiment five provides.A kind of deformation program that vibrating motor 500 is described embodiment one that the present embodiment provides, the vibrating motor 500 provided in the present embodiment includes housing 51, elastic supporting member for supporting optical member 52, oscillator 53, stator 54 and stopper 55 equally.Described housing 51 includes main casing 511 and cover plate 512；Described stator 54 includes the first pole piece 541, copper sheet 542, coil 543 and the second pole piece 544.
The structure of the described vibrating motor 100 that the structure of the vibrating motor 500 that the present embodiment provides provides with embodiment one is substantially the same, and repeats no more here.The difference of the two is, described coil 543 includes first coil 5431 and the second coil 5432, accordingly, described first pole piece 541 is also two, the most described first pole piece 541 can also be single piece type, specifically, in the present embodiment, the quantity of copper sheet 542 is two panels, and described copper sheet includes the second copper sheet 5422 that the first copper sheet 5421 being correspondingly arranged with described first coil 5431 and described second coil 5432 are correspondingly arranged.First pole piece 541 of described vibrating motor 500 is located at the cover plate 512 surface towards oscillator 53 direction of described vibrating motor 500, and described copper sheet 542 is arranged between the first pole piece 541 and the corresponding coil 543 of correspondence.
Refer to Fig. 8, be the sectional view of a kind of improved procedure of vibrating motor that this utility model embodiment five provides.In improvement project, described copper sheet 542 is carrying first coil 5431 and a chip copper sheet of the second coil 5432.
As further improvement of this embodiment, described cover plate 512 can include resettlement section (not shown), it is connected in described first pole piece 541 is contained in described resettlement section and with described cover plate 512, described copper sheet 542 is connected with described first pole piece 541, and described copper sheet 542 is partially housed in described resettlement section.Described copper sheet 542 has described coil 543 to connect towards the surface configuration in described oscillator 53 direction, and there is gap between described coil 543 and described oscillator 53.
This utility model can arrange copper sheet at main casing end and/or cover plate end according to actual needs, main casing or/cover plate arrange resettlement section, the vibrating motor that this utility model provides is provided with copper sheet, because the copper sheet of same volume can produce bigger electromagnetic damping than the coil of same volume.In addition, described copper thickness is relatively thin, and it is the least that the thickness of the magnet steel of the most described oscillator reduces degree, can increase electromagnetic damping in the case of not affecting driving force.Further, by arranging resettlement section at cover plate or main casing, and first pole piece corresponding with cover plate and second pole piece corresponding with described main casing are contained in resettlement section, therefore the thickness of magnet steel can suitably be increased, thus sufficiently utilize vibrating motor thickness space, and improve the thickness of magnet steel.
Above-described is only embodiment of the present utility model, it should be noted here that for the person of ordinary skill of the art, on the premise of creating design without departing from this utility model, it is also possible to make improvement, but these belong to protection domain of the present utility model.
Claims (10)
1. a vibrating motor, it includes having the receiving housing in space, the elastic supporting member for supporting optical member being arranged in described receiving space, supported and be suspended in the oscillator in described housing and the stator fixing with described housing by described elastic supporting member for supporting optical member, described stator includes the coil fixing with housing, described oscillator includes the magnetic steel component with at least one magnet steel, it is characterized in that, described stator also includes that the copper sheet being perpendicular to the setting of described oscillator vibration direction is to increase the electromagnetic damping of magnetic circuit.
Vibrating motor the most according to claim 1, it is characterised in that described stator also includes the pole piece fixing with described housing, and described copper sheet is attached at the described pole piece surface towards described oscillator direction.
Vibrating motor the most according to claim 2, it is characterized in that, described housing includes having the main casing accommodating space and the cover plate coordinated with described main casing, and described pole piece includes the first pole piece being arranged on cover plate and is arranged at the second pole piece on described main casing.
Vibrating motor the most according to claim 3, it is characterized in that, described first pole piece is attached at the described cover plate surface towards described oscillator direction, and described coil is arranged between described first pole piece and described oscillator, and described copper sheet is arranged between described first pole piece and described coil.
Vibrating motor the most according to claim 4, it is characterised in that described coil includes first coil and the second coil being arranged side by side, described copper sheet is carrying first coil and the single piece type copper sheet of the second coil.
Vibrating motor the most according to claim 4, it is characterised in that described coil includes first coil and the second coil being arranged side by side, described copper sheet includes the first copper sheet and the second copper sheet of carrying the second coil carrying first coil.
Vibrating motor the most according to claim 3, it is characterised in that described second pole piece is attached at the described main casing surface towards described oscillator direction, described copper sheet is attached at described second pole piece surface towards described oscillator direction.
Vibrating motor the most according to claim 3, it is characterized in that, described housing includes inner surface and the outer surface relative with described inner surface, described housing is provided with the resettlement section extending through described outer surface from the inner surface of described housing towards the direction of described outer surface, and described stationary part is contained in described resettlement section.
Vibrating motor the most according to claim 8, it is characterised in that the surface of the most described oscillator of described pole piece flushes with the outer surface of described housing.
Vibrating motor the most according to claim 1, it is characterised in that the shape of described copper sheet is corresponding with the shape of described coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620008690.XU CN205490073U (en) | 2016-01-04 | 2016-01-04 | Vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620008690.XU CN205490073U (en) | 2016-01-04 | 2016-01-04 | Vibration motor |
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|---|---|
| CN205490073U true CN205490073U (en) | 2016-08-17 |
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| CN201620008690.XU Active CN205490073U (en) | 2016-01-04 | 2016-01-04 | Vibration motor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208605A (en) * | 2016-08-24 | 2016-12-07 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN106954147A (en) * | 2017-01-22 | 2017-07-14 | 瑞声科技(新加坡)有限公司 | Electronic equipment |
| CN109889008A (en) * | 2019-03-15 | 2019-06-14 | 金龙机电（淮北）有限公司 | A kind of damping structure and its damping control mode of linear vibrator |
| CN111865029A (en) * | 2019-04-30 | 2020-10-30 | 台睿精工股份有限公司 | Linear vibration actuating motor |
| WO2021119915A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Double-frequency vibration motor |
| WO2021127910A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| WO2021128788A1 (en) * | 2019-12-25 | 2021-07-01 | 歌尔股份有限公司 | Vibration device and electronic product |
| WO2021128176A1 (en) * | 2019-12-26 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2021134314A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2021134313A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| US20220320984A1 (en) * | 2021-03-31 | 2022-10-06 | Aac Microtech (Changzhou) Co., Ltd. | Linear Vibration Motor |
-
2016
- 2016-01-04 CN CN201620008690.XU patent/CN205490073U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208605A (en) * | 2016-08-24 | 2016-12-07 | 歌尔股份有限公司 | A kind of linear vibration motor |
| WO2018036055A1 (en) * | 2016-08-24 | 2018-03-01 | 歌尔股份有限公司 | Linear vibration motor |
| CN106208605B (en) * | 2016-08-24 | 2018-07-06 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN106954147A (en) * | 2017-01-22 | 2017-07-14 | 瑞声科技(新加坡)有限公司 | Electronic equipment |
| CN109889008A (en) * | 2019-03-15 | 2019-06-14 | 金龙机电（淮北）有限公司 | A kind of damping structure and its damping control mode of linear vibrator |
| CN111865029A (en) * | 2019-04-30 | 2020-10-30 | 台睿精工股份有限公司 | Linear vibration actuating motor |
| WO2021119915A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Double-frequency vibration motor |
| WO2021127910A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
| WO2021128788A1 (en) * | 2019-12-25 | 2021-07-01 | 歌尔股份有限公司 | Vibration device and electronic product |
| WO2021128176A1 (en) * | 2019-12-26 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2021134314A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| WO2021134313A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| US20220320984A1 (en) * | 2021-03-31 | 2022-10-06 | Aac Microtech (Changzhou) Co., Ltd. | Linear Vibration Motor |
| US11967874B2 (en) * | 2021-03-31 | 2024-04-23 | Aac Microtech (Changzhou) Co., Ltd. | Linear vibration motor with copper rig around magnetic conductive plate with thickness |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |