CN207251425U - A kind of linear vibration motor - Google Patents
A kind of linear vibration motor Download PDFInfo
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- CN207251425U CN207251425U CN201720668223.4U CN201720668223U CN207251425U CN 207251425 U CN207251425 U CN 207251425U CN 201720668223 U CN201720668223 U CN 201720668223U CN 207251425 U CN207251425 U CN 207251425U
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- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 230000006698 induction Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model discloses a kind of linear vibration motor, including housing, the vibrational system that is contained in the housing and coil group, the elastic supporting member for supporting optical member for being used to support the vibrational system；Housing includes the first housing and the second housing, and vibrational system includes clump weight, the first magnet group and the second magnet group being contained in clump weight, and coil group includes the first coil and the second coil being fixed in housing.When external power supply is passed through different current signals, two coils are subject to the reaction force of magnetic field force in magnetic field so that clump weight produces regular linear reciprocal movement in different directions, so as to produce the different working condition on two kinds of directions.The magnetic circuit form is located in same motor, compared to single vibration motor, is greatly saved space, while by the setting of auxiliary magnet, greatly strengthen the driving force of the linear vibration motor, reduces the response time, broadening product working band.
Description
Technical field
The present invention relates to motor technologies field, relates more specifically to a kind of linear vibration motor.
Background technology
With the rapid development of portable consumer electronic device, corresponding miniature electrical equipment in a portable device in industry
Component requirements are higher and higher, and miniature electrical equipment element becomes less and less, light, thin.In these electronic equipments, usually using miniature
Linear vibration motor do the vibrational feedback of system, such as reminding incoming call of mobile phone vibrational feedback, touch feedback.
Linear vibration motor generally includes housing, oscillator system and stator system, and oscillator system further comprises including counterweight
Block, magnet assemblies and shrapnel etc., stator system further comprise printed wiring board (Flexible Printed Circuit
Board, abbreviation FPCB) and coil etc., wherein, coil and FPCB are fixedly connected on the shell of linear vibration motor, clump weight
It is fixed together with magnet assemblies, shrapnel is connected between clump weight and shell, what coil was then produced positioned at magnet assemblies
In magnetic field range.When the coil is energized, coil can be subject to Ampere force to act in magnetic field, and drive vibrator system is in the anti-of Ampere force
Regular linear reciprocal movement is done under active force.At present, applied to the vibrating motor in consumption electronic product, generally only include
One resonant frequency, such as needs vibrating motor to work under two different resonant frequency states, then needs to set two motors, no
Beneficial to the miniaturization requirement of linear vibration motor.
The content of the invention
It is to be solved by this invention to be for above-mentioned technical problem：A kind of new technical solution is provided, when external power supply leads to
When entering different current signals, electric current is identical between coil or can conversely produce the driving force of different directions, drives oscillator not
The equidirectional upper regular linear reciprocal movement of generation, so as to produce the different working condition on two kinds of directions.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of linear vibration motor, including housing, receipts
The vibrational system and coil group that are dissolved in the housing, the elastic supporting member for supporting optical member for being used to support the vibrational system, it is characterised in that：
The housing includes the first housing and the second housing for complementing each other to form accommodating cavity；
It is first direction to define the direction of vibration of the vibrational system in the horizontal plane, and the vibrational system is perpendicular to level
The direction of vibration in face is second direction；
The vibrational system includes clump weight, the first magnet group and the second magnet group that are contained in clump weight, and described the
One magnet group includes at least one piece of magnet, and the magnetizing direction of the first magnet group magnet is along the first direction；Described second
Magnet group includes at least two pieces of magnets, magnetizing direction and the first direction and the second party of the second magnet group magnet
To vertical, and the magnetizing direction of each magnet of the second magnet group is opposite or identical；The magnet edge of the second magnet group
The second direction is arranged at the first magnet group both sides；
The coil group includes first coil and the second coil, and the first coil and second coil are symmetrically disposed on
The both sides of the second magnet group.
Preferably, the first coil and second coil, which lead to the driving force that reverse current produces, makes the vibration
System is vibrated along the first direction, and the first coil and second coil are colluded the driving force produced to alternating current and made
The vibrational system is vibrated along the second direction.
Preferably, the second magnet group includes the second upper magnet and the second lower magnet, and second upper magnet is arranged at
Close to the first housing side in the first magnet group, second lower magnet is arranged in the first magnet group close to second
Housing side.
Preferably, the vibrational system further includes the auxiliary magnet group for correcting the magnetic line of force, the auxiliary magnet group bag
At least two pieces of auxiliary magnets are included, the auxiliary magnet group is arranged at the first magnet group opposite end or is arranged at described match somebody with somebody
On pouring weight.
Preferably, the auxiliary magnet group includes two pieces of auxiliary magnets, and the auxiliary magnet is respectively arranged at described first
Magnet group opposite end, the auxiliary magnet are linearly distributed in said first direction with the first magnet group.
Preferably, the magnetizing direction of the auxiliary magnet is along the first direction；Two pieces of auxiliary magnet magnetizing directions
It is identical and opposite with the magnet magnetizing direction of the first magnet group.
Preferably, the clump weight is provided with four concave parts parallel to four rib positional symmetries of the first direction,
At least one piece of auxiliary magnet is both provided with the concave part.
Preferably, the auxiliary magnet group includes upper auxiliary magnet group and lower auxiliary magnet group, the upper auxiliary magnet group
It is oppositely arranged in this second direction with the lower auxiliary magnet group.
Preferably, the upper auxiliary magnet group includes the identical upper auxiliary magnet of two pieces of magnetizing directions, the lower auxiliary magnetic
Body group includes the identical lower auxiliary magnet of two pieces of magnetizing directions；The upper auxiliary magnet and the second upper magnet magnetizing direction phase
Together, the lower auxiliary magnet is identical with the second lower magnet magnetizing direction.
Preferably, the elastic supporting member for supporting optical member includes supporting the vibrational system in the first direction or second direction is linearly past
The first elastic supporting member for supporting optical member and the second elastic supporting member for supporting optical member moved again.
Using the beneficial effect of the technical program：
The present invention passes through magnetic circuit and the designing scheme of coil so that when external power supply is passed through different current signals, line
Electric current is identical between circle or can conversely produce the driving force of different directions, drives oscillator to produce regular line in different directions
Property move back and forth, so as to produce the different working condition on two kinds of directions.The magnetic circuit form is located in same motor, compared to
Single vibration motor, space is greatly saved, while by the setting of auxiliary magnet, greatly strengthen the linear vibration motor
Driving force, reduce the response time, broadening product working band.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described.
Fig. 1 is the three-dimensional cutaway view of one linear vibration motor of the embodiment of the present invention；
Fig. 2 is sectional view of one linear vibration motor of the embodiment of the present invention along X-Z faces；
Fig. 3 is the sectional view that one linear vibration motor of the embodiment of the present invention leads to inverse current along X-Y plane；
Fig. 4 is the sectional view that one linear vibration motor of the embodiment of the present invention leads to same current along Y-Z faces；
Fig. 5 is the dimensional structure diagram of bilinear vibrating motor of the embodiment of the present invention；
Fig. 6 is the sectional view that bilinear of embodiment of the present invention vibrating motor leads to inverse current along X-Y plane；
Fig. 7 is the sectional view that bilinear of embodiment of the present invention vibrating motor leads to same current along Y-Z faces；
Fig. 8 is the dimensional structure diagram of three linear vibration motor of the embodiment of the present invention；
Fig. 9 is the sectional view that three linear vibration motor of the embodiment of the present invention leads to inverse current along X-Y plane；
Figure 10 is the sectional view for leading to same current along Y-Z faces of three linear vibration motor of the embodiment of the present invention；
Figure 11 is the dimensional structure diagram that magnetic conductive board is set in linear vibration motor of the present invention；
Reference numeral therein includes：First housing 1, the second housing 2, clump weight 3, the first magnet group 4, the second magnet group
5th, the second upper magnet 51, the second lower magnet 52, elastic supporting member for supporting optical member 6, the first elastic supporting member for supporting optical member 61, the second elastic supporting member for supporting optical member 62, line
It is circle group 7, first coil 71, the second coil 72, printed wiring board 8, auxiliary magnet group 9, auxiliary magnet 91, auxiliary magnet 92, auxiliary
Magnetic assist body group 10, upper auxiliary magnet 101, lower auxiliary magnet 102, concave part 11, magnetic conductive board 12.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
Embodiment one：
As shown in Figure 1, a kind of linear vibration motor, including housing, the vibrational system that is contained in housing and coil group, use
In the elastic supporting member for supporting optical member 6 of support vibrational system, in order to make it easy to understand, defining vibrational system direction of vibration in the horizontal plane as the
One direction, vibrational system are second direction perpendicular to the direction of vibration of horizontal plane.It should be noted that the first party defined here
X-direction or Y direction in for rectangular coordinate system in space in three orthogonal X-axis, Y-axis, Z axis, second direction are
Z-direction, specifically, first direction is X-direction in the present embodiment.
Wherein, as Fig. 1 and Fig. 2 are jointly shown, housing includes the first housing 1 and second for complementing each other to form accommodating cavity
Housing 2.Here the upper casing or lower casing for the linear vibration motor that the first housing 1 can be known as, correspondingly, second shell
The lower casing or upper casing for the linear vibration motor that body 2 can be known as.
Wherein, vibrational system includes clump weight 3, the first magnet group 4 and the second magnet group 5 being contained in clump weight 3, into
One step, the first magnet group 4 includes at least one piece of magnet, and the magnetizing direction of 4 magnet of the first magnet group is in the first direction；Second magnetic
Body group 5 includes at least two pieces of magnets, and the magnetizing direction and first direction and second direction of 5 magnet of the second magnet group are vertical, the
The magnetizing direction of two magnet groups, 5 each magnet is opposite or identical, two pieces of magnets and first magnet of the second magnet group 5
It is bonded and combines between the magnet of group 4.Specifically, the quantity of the second magnet group 5 is two pieces, certainly, the second magnet in the present embodiment
The quantity of magnet can be any even numbered blocks in group 5, and wherein half is arranged on the side of the first magnet group 4 in a second direction, another
Half is arranged on the opposite side of the first magnet group in a second direction, magnet mentioned here broadly for be that can attract iron, cobalt, nickel
Deng the object, in particular to magnet or magnet steel of material.
Wherein, coil group 7 includes 71 and second coil 72 of first coil being fixed on the second housing 2, first coil 71
The both sides of the second magnet group 5 are symmetrically disposed on the second coil 72.Specifically, 71 and second coil 72 of first coil passes through viscous
The printed wiring board 8 being attached on the second housing 2 is connected with the second housing 2, and the first magnet group 4 and the second magnet group 5 are in counterweight
Two symmetrical accommodating cavities are formed in block 3 with 3 inner wall of clump weight, 71 and second coil 72 of first coil is respectively positioned at an appearance
Receive in cavity.In this embodiment, the one way in which for increasing driving force is in 71 and second coil 72 of first coil
Portion hollow part adds iron core, greatly strengthen the driving force of the linear vibration motor, reduces the response time, broadening product work
Make frequency band.
Linear vibration motor in the present embodiment, it is by the direction of input current different, it can be achieved that the following two kinds mode
Motor pattern：The first motor pattern is as shown in figure 3, when 71 and second coil 72 of first coil leads to reverse current, and two
The reaction force for the driving force that coil is subject in magnetic field drives the clump weight 3 of the linear vibration motor to move in the first direction,
I.e. usually said X-direction vibration；Second of motor pattern is as shown in figure 4, when 71 and second coil 72 of first coil is colluded
During to alternating current, the reaction force for the driving force that two coils are subject in magnetic field drives the clump weight 3 of the linear vibration motor
Vibrate in a second direction, i.e., the vibration of usually said Z-direction.As described above, by 71 and second coil 72 of first coil
The direction of input current is different, which correspondingly realizes regular linear past with second direction in the first direction
Multiple movement, compared to single vibration motor, is greatly saved space.
As shown in Figure 1, Figure 2, Fig. 3 and Fig. 4 are jointly shown, and the second magnet group 5 includes the second upper magnet 51 and the second lower magnet 52,
Second upper magnet 51 is arranged in the first magnet group 4 is arranged at the first magnet group close to 1 side of the first housing, the second lower magnet 52
Close to 2 side of the second housing on 4.Specifically, the second upper magnet 51, the first magnet group 4 and the second lower magnet 52 are in second direction
It is upper linearly to set, the 52 symmetrical both sides up and down for being arranged on the first magnet group 4 of the second upper magnet 51 and the second lower magnet.
In addition, elastic supporting member for supporting optical member 6 includes support vibrational system in the first direction or second direction linear reciprocal movement
First elastic supporting member for supporting optical member 61 and the second elastic supporting member for supporting optical member 62, the first elastic supporting member for supporting optical member 61 and the second elastic supporting member for supporting optical member 62 can be closed
In the central axis in second direction symmetrically or on the central axis in second direction in 180 ° of rotational symmetry point
Cloth, 61 and second elastic supporting member for supporting optical member 62 of the first elastic supporting member for supporting optical member said herein can be spring or shrapnel.
Such as Figure 11, the vibrational system in the present embodiment can also set magnetic conductive board 12 to be used for correcting the magnetic line of force, and then strengthen
Magnetic induction intensity, the position of magnetic conductive board 12 can be arranged on the second upper magnet 51 under one end and second of the first housing 1
Magnet 52 can also be arranged at the surface of any magnet or magnet that two agllutinations are combined close to one end of the second housing 2
Between.The shape of magnetic conductive board 12 can be tabular or bowl-shape, and magnetic strength wire shaped and enhancing are corrected as long as can all play
For the component of magnetic induction intensity effect in the row of description, the setting position of magnetic conductive board 12 does not influence the protection domain of this patent, this
Technical staff in field is to be understood that.
Embodiment two：
If Fig. 5 is the dimensional structure diagram of embodiment two, embodiment two and the linear vibration motor fortune in embodiment one
Dynamic principle is similar, and difference is：The vibrational system of embodiment two further includes the auxiliary magnet group for correcting the magnetic line of force
9, auxiliary magnet group 9 further comprises at least two pieces of auxiliary magnets.Specifically, auxiliary magnet and the first magnet group 4 are directly be bonded
With reference to certainly, between auxiliary magnet and the first magnet group 4 magnetic conductive board can also being set to strengthen magnetic field intensity.
As Fig. 5, Fig. 6 and Fig. 7 are jointly shown, auxiliary magnet group 9 includes two pieces of auxiliary magnets, and two pieces of auxiliary magnets are set respectively
It is placed in 4 opposite end of the first magnet group, auxiliary magnet and the linearly distribution in a first direction of the first magnet group 4；Auxiliary
The magnetizing direction of magnet group 9 and the first magnet group 4 is on the same straight line along the first direction, two pieces of auxiliary magnets
Magnetizing direction is identical and opposite with 4 magnetizing directions of the first magnet group.
Likewise, the linear vibration motor in embodiment two and embodiment one, when two coils lead to inverse current along first
Direction carries out regular linear reciprocal movement, is carried out in a second direction when two coils lead to same current regular linear past
Multiple movement, the setting difference lies in, embodiment two by auxiliary magnet group 9, changes the shape of magnetic induction line, in embodiment two
The magnetizing direction of auxiliary magnet group 9 and the magnetizing direction of the first magnet group 4 conversely, because the magnetic pole principle that identical charges repel each other, makes
Magnetic induction line more passes through coil, so as to enhance magnetic induction intensity, greatly strengthen the driving force of the linear vibration motor.
Embodiment three：
If Fig. 8 is the dimensional structure diagram of embodiment three, embodiment three and the line in embodiment one and embodiment two
Property vibrating motor motion principle, embodiment three and the difference of embodiment two are：The auxiliary of the vibrational system of embodiment three
Magnet group 10 is arranged on clump weight 3, and auxiliary magnet group 10 includes at least four pieces of auxiliary magnets.Specifically, auxiliary magnet is with matching somebody with somebody
Pouring weight 3 can directly be bonded combination, can set magnetic conductive board 12 strong to strengthen magnetic field certainly, in any surface of auxiliary magnet
Degree.
As Fig. 8, Fig. 9 and Figure 10 are jointly shown, clump weight 3 is set parallel to four rib positional symmetries of the first direction
There are four concave parts 11, at least one piece of auxiliary magnet is both provided with the concave part 11.In order to make it easy to understand, is defined here
Two pieces of auxiliary magnets are upper auxiliary magnet group 101 above two directions, and it is lower auxiliary to define two pieces of auxiliary magnets below second direction
Magnet group 102, upper auxiliary magnet group 101 and lower auxiliary magnet group 102 are symmetric in this second direction.
As shown in Figure 10, upper auxiliary magnet group 102 includes the identical upper auxiliary magnet of two pieces of magnetizing directions, lower auxiliary magnet
Group 102 includes the identical lower auxiliary magnet of two pieces of magnetizing directions.Similar with embodiment two, embodiment three is also by auxiliary magnet group
10 setting, changes the shape of magnetic induction line, difference lies in：Upper auxiliary magnet group 101 and the second upper magnet 51 in embodiment three
Magnetizing direction it is identical, lower auxiliary magnet 102 is identical with 52 magnetizing direction of the second lower magnet, due to magnetic pole principle of opposite sex attraction,
Magnetic induction line direction is straight, more magnetic induction lines is passed through coil, so as to enhance magnetic induction intensity, increase linear oscillator horse
The driving force reached and sensitivity.
It these are only case study on implementation of the present invention, be not intended to limit the invention, it is noted that for the general of this area
For logical technical staff, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these are all
Belong to protection scope of the present invention.
Claims (10)
1. a kind of linear vibration motor, including housing, the vibrational system that is contained in the housing and coil group, it is used to support institute
State the elastic supporting member for supporting optical member of vibrational system, it is characterised in that：
The housing includes the first housing and the second housing for complementing each other to form accommodating cavity；
It is first direction to define the direction of vibration of the vibrational system in the horizontal plane, and the vibrational system is perpendicular to horizontal plane
Direction of vibration is second direction；
The vibrational system includes clump weight, the first magnet group and the second magnet group being contained in clump weight, first magnetic
Body group includes at least one piece of magnet, and the magnetizing direction of the first magnet group magnet is along the first direction；Second magnet
Group includes at least two pieces of magnets, and the magnetizing direction and the first direction and the second direction of the second magnet group magnet are equal
Vertically, and each magnet of the second magnet group magnetizing direction it is opposite or identical；The magnet of the second magnet group is described in
Second direction is arranged at the first magnet group both sides；
The coil group includes first coil and the second coil, and the first coil and second coil are symmetrically disposed on described
The both sides of second magnet group.
2. linear vibration motor according to claim 1, it is characterised in that：The first coil and second coil lead to
The driving force that reverse current produces makes the vibrational system be vibrated along the first direction, the first coil and described the
Two coil, which colludes the driving force produced to alternating current, makes the vibrational system be vibrated along the second direction.
3. linear vibration motor according to claim 1, it is characterised in that：The second magnet group includes the second upper magnet
With the second lower magnet, second upper magnet is arranged in the first magnet group under the first housing side, described second
Magnet is arranged in the first magnet group close to the second housing side.
4. linear vibration motor according to claim 3, it is characterised in that：The vibrational system is further included for correcting magnetic
The auxiliary magnet group of the line of force, the auxiliary magnet group include at least two pieces of auxiliary magnets, and the auxiliary magnet group is arranged at described
First magnet group opposite end is arranged on the clump weight.
5. linear vibration motor according to claim 4, it is characterised in that：The auxiliary magnet group includes two blocks of auxiliary magnetic
Body, the auxiliary magnet are respectively arranged at the first magnet group opposite end, the auxiliary magnet and the first magnet group
Linearly distribution in said first direction.
6. linear vibration motor according to claim 5, it is characterised in that：The magnetizing direction of the auxiliary magnet is described in
First direction；Two pieces of auxiliary magnet magnetizing directions are identical and opposite with the magnet magnetizing direction of the first magnet group.
7. linear vibration motor according to claim 4, it is characterised in that：The clump weight is parallel to the first direction
Four rib positional symmetries be provided with four concave parts, at least one piece of auxiliary magnet is both provided with the concave part.
8. linear vibration motor according to claim 7, it is characterised in that：The auxiliary magnet group includes upper auxiliary magnet
Group and lower auxiliary magnet group, the upper auxiliary magnet group and the lower auxiliary magnet group are oppositely arranged in this second direction.
9. linear vibration motor according to claim 8, it is characterised in that：The upper auxiliary magnet group magnetizes including two pieces
The identical upper auxiliary magnet in direction, the lower auxiliary magnet group include the identical lower auxiliary magnet of two pieces of magnetizing directions；On described
Auxiliary magnet is identical with the second upper magnet magnetizing direction, the lower auxiliary magnet and the second lower magnet magnetizing direction phase
Together.
10. linear vibration motor according to claim 1, it is characterised in that：The elastic supporting member for supporting optical member is included described in support
Vibrational system in the first direction or second direction linear reciprocal movement the first elastic supporting member for supporting optical member and the second elastic supporting member for supporting optical member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668223.4U CN207251425U (en) | 2017-06-09 | 2017-06-09 | A kind of linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668223.4U CN207251425U (en) | 2017-06-09 | 2017-06-09 | A kind of linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251425U true CN207251425U (en) | 2018-04-17 |
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ID=61876738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720668223.4U Withdrawn - After Issue CN207251425U (en) | 2017-06-09 | 2017-06-09 | A kind of linear vibration motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN207251425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171526A (en) * | 2017-06-09 | 2017-09-15 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN110896267A (en) * | 2019-12-02 | 2020-03-20 | 歌尔股份有限公司 | Vibration exciter for electronic product and electronic product |
-
2017
- 2017-06-09 CN CN201720668223.4U patent/CN207251425U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171526A (en) * | 2017-06-09 | 2017-09-15 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN107171526B (en) * | 2017-06-09 | 2024-02-13 | 歌尔股份有限公司 | Linear vibration motor |
| CN110896267A (en) * | 2019-12-02 | 2020-03-20 | 歌尔股份有限公司 | Vibration exciter for electronic product and electronic product |
| CN110896267B (en) * | 2019-12-02 | 2021-07-09 | 歌尔股份有限公司 | Vibration exciter for electronic product and electronic product |
| US11962982B2 (en) | 2019-12-02 | 2024-04-16 | Goertek Inc. | Vibration exciter for electronic product and electronic product |
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