CN103107670A - Linear vibration device - Google Patents
Linear vibration device Download PDFInfo
- Publication number
- CN103107670A CN103107670A CN2011103536553A CN201110353655A CN103107670A CN 103107670 A CN103107670 A CN 103107670A CN 2011103536553 A CN2011103536553 A CN 2011103536553A CN 201110353655 A CN201110353655 A CN 201110353655A CN 103107670 A CN103107670 A CN 103107670A
- Authority
- CN
- China
- Prior art keywords
- coil
- vibrating body
- yoke
- magnet
- upper plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention provides a linear vibration device. A printed circuit board (PCB) is connected with a bracket. An extending piece protruding on the periphery position is arranged on the bracket and an external electrical signal is transmitted to a coil by the extending piece. A magnet yoke of a stator is installed on the upper surface of the PCB, to be connected to the coil, so that electromagnetic force is produced maximumly along one direction. Besides, an upper plate and a lower plate are constructed so that a magnetic field of a magnet is focused on one direction. The magnetic field corresponding to the electromagnetic force of the magnet yoke formed by the coil is produced by the magnet construction. Therefore, a vibration body comprises a vibrator. The electromagnetic force focusing on the magnet yoke is responded by the vibrator and the vibrator is operated upward and downward, thus a vibration feeling caused by the up-and-down movement of the vibrator is increased. Besides, an elastic body is connected with the vibration body so as to deliver the vibration sound to the external part and is fixed to the inner surface of a covered hollow shell body. The vibration body is connected with the bracket with the extending piece so that the linear vibration device is completely achieved.
Description
Technical field
The present invention relates to a kind of linear vibrator, and relate more specifically to a kind of like this linear vibrator, this linear vibrator is suitable for producing vibration when the vibrating body with balance weight body moves up and down according to the input electrical signal with assigned frequency in such as the electronic installation of mobile phone, changes simultaneously vibration.
Background technology
Usually, mobile phone comes the notification call terminal with the tinkle of bells or melody widely, but the noise that produces due to the tinkle of bells or melody may disturb other people around the user of mobile phone.In order to address this problem, the design vibrating motor, thereby not by sound but come the notification call terminal by vibration.In this vibrating motor, vibrating body is installed to the typical DC motor that adopts brush usually.Yet brush has limited the lift of vibrating motor, and the use of various vibration modes is provided with restriction.And, needing to have the vibrating motor of quick response in the touch mobile phone of current popular, this makes the requirement of satisfying the user is difficult.
In order to address this problem, the Korean Patent No.10-0735299 that name is called " Vertical Vibrator (vertical vibrator) " has proposed a kind of vibrating device with the Korean Patent No.10-0934584 that name is called " Linear Vibration Motor (linear vibration electric motor) ", and this vibrating device is not in the situation that use brush to operate up and down.Yet, in having this linear vibrator of this structure because coil should move up and down between magnet and yoke, so need sufficient fixation side gap, and require coil due to and magnet between interaction force and lifting continuously without restriction.Therefore, coil is owing to may producing noise with the Mechanical Contact of other parts.In addition, this linear vibrator comprises vibration absorber and magnetic fluid, and this has reduced productivity ratio and advanced feature, makes the reliability that is difficult to find out basic solution and guarantees productivity ratio and product.
The present invention relates to a kind of linear vibration electric motor, this linear vibration electric motor is configured to address the above problem, and make productivity ratio reach maximum by the gap of improving contact noise and keep on a side, wherein vibration can change according to the signal of telecommunication with assigned frequency from the outside input, and vibrating body can stop in the magnetic circuit mode between lower moving period thereon.
Summary of the invention
Therefore, the present invention is intended to solve the problems referred to above that occur in prior art, thereby and the invention provides a kind of linear vibrator that does not adopt brush or rectifier to make its semipermanentization of life-span.
The present invention also provides a kind of linear vibration electric motor, this linear vibration electric motor guarantees the reliability of product and stops operating up and down in the magnetic circuit mode by the gap on a side between keeping coil and magnet, makes and can prevent Mechanical Contact, improves contact noise, guarantee the magnetic stability operation and realize rapid response speed.
In order to realize this purpose, provide a kind of linear vibrator, wherein, PCB is attached to carriage, described carriage has the extension outstanding at its peripheral part place so that external electric signal is transferred to coil, and the yoke of stator is arranged on the upper surface that will be attached to described coil of described PCB, in order to produce electromagnetic force along a direction maximumly.
In addition, upper plate and lower plate are configured to magnetic field concentration to a direction with magnet, and this magnet configurations becomes to produce the magnetic field corresponding with the electromagnetic force of the described yoke that is formed by described coil.Therefore, vibrating body involving vibrations device, this vibrator response is operated up and down by the concentrated electromagnetic force of described yoke, thereby increases the seismesthesia that causes due to moving up and down of this vibrator.
In addition, be attached to described vibrating body with after chatter being sent to the outside and being fixed to the inner surface of hollow housing of cover at elastomer, described vibrating body be attached to have described extension described carriage to realize described linear vibrator fully.
Comprise magnet for generation of magnetic field and the upper plate and the lower plate that are configured to the magnetic force of described magnet is concentrated on a direction according to the linear vibrator of said structure of the present invention.The electromagnetic force of the yoke of vibrating body by concentrating on coil according to the signal of telecommunication and gravitation and repulsion and operated up and down.The chatter that is caused by moving up and down of described vibrating body is transferred to the outside by hollow housing, thereby makes the electronic installation vibration.
The move up and down restriction of the magnetic force that is subjected to described yoke and described upper plate and described lower plate of described vibrating body described makes to guarantee stable operation.Therefore can guarantee the gap, thereby not cause and upside and lower side contacts, can control and only make that a gap is present between described coil and described magnet, make and to boost productivity and durability.
As discussed above, described linear vibrator of the present invention does not adopt brush or the rectifier that is applied to traditional vibrating motor, and it is semi-permanent therefore making the life-span of described vibrating motor.In addition, described vibrating body can magnetically be stopped in the operating period up and down of described traditional linear vibrator, therefore can stably obtain described linear vibration electric motor of the present invention.In addition, a gap only is set between described coil and described magnet, has improved significantly productivity ratio and durability and improved the reliability of product.
Description of drawings
To more know above and other objects of the present invention, feature and advantage by reference to the accompanying drawings from following detailed description, in the accompanying drawings:
Fig. 1 is the exploded view according to linear vibrator of the present invention;
Fig. 2 is the cutaway view according to linear vibrator of the present invention;
Fig. 3 is the cutaway view of traditional linear vibration electric motor;
Fig. 4 is the cutaway view of the improvement example of traditional linear vibration electric motor;
Fig. 5 is the cutaway view that the magnetic field that produces according to the present invention is shown;
Fig. 6 is the cutaway view that illustrates according to lower fixed magnetic field of the present invention;
Fig. 7 is the cutaway view that fixed magnetic field is shown;
Fig. 8 is the cutaway view that adopts traditional vibrating motor of brush and rectifier; And
Fig. 9 is the cutaway view of linear vibrator according to another implementation of the invention.
Embodiment
Hereinafter, describe with reference to the accompanying drawings illustrative embodiments of the present invention in detail.
As shown in Figure 1, according to linear vibration electric motor involving vibrations body 20 of the present invention, described vibrating body 20 comprises: the magnet 23 that produces permanent magnetic field; Lower plate 22 and upper plate 24, the magnetic force direction that this lower plate 22 and upper plate 24 are mounted to respectively magnet 23 concentrates on assigned direction; And vibrator 21, this vibrator 21 is attached to upper plate 24 and is configured to increase the magnitude of vibration, and described vibrating body 20 is assembled with vibrator 21 at last.
In this case, the vibrator 21 that is assembled in vibrating body 20 preferably has the density that usually overweights iron.Linear vibration electric motor comprises: the upper surface that elastomer 31, this elastomer 31 are attached to upper plate 24 effectively is transferred to the outside and is configured to help vibrating body 20 to move up and down along assigned direction with the chatter with vibrating body 20; And hollow housing 32, this housing 32 is attached to elastomer 31 so that chatter is transferred to the outside.
The elastomer 31 that is connected to vibrating body 20 have the starting point related with upper plate 24 and with the related terminal point of housing 32, make and can rock with minimum degree when being operated up and down when vibrating body 20.The central authorities of elastomer 31 are preferably empty, and upper plate 24 is preferably more than lower plate 22 so that upper plate 24 is easy to connect vibrator 21.
Linear vibration electric motor comprises stator 10, and this stator 10 is arranged on the lower surface of vibrating body 20, and described stator 10 comprises: for generation of the coil 14 of electromagnetic force; Yoke 15 will concentrate on a direction so that magnetic force is maximum by the magnetic force that coil 14 produces when this yoke 15 is configured in being inserted into coil 14; PCB (printed circuit board (PCB)) 12, this PCB 12 is used for transmitting the signal of telecommunication with assigned frequency that receives from the outside; And carriage 11, this carriage 11 has the outstanding extension at the peripheral part place of hollow housing 32.
In this case, the external diameter for the yoke 15 that makes the magnetic force maximum that is produced by coil 14 should less than the internal diameter of coil 14, make this yoke 15 can be inserted in coil 14.The 15A of circumferential projection section preferably forms along an axis direction, makes the electromagnetic force of being concentrated by coil 14 corresponding with the magnetic line of force that is produced by upper plate 24 and lower plate 22.PCB12 is attached to the sideline (marginal line) of coil 14 by soldering or welding.Protective plate 13 preferably is installed, to be operated up and down soldering or the welding portion with external electric signal is sent to coil 14 time protection coil 14 when vibrating body 20.
Fig. 2 shows the assembled state of the linear vibration electric motor that comprises above-mentioned parts.
Fig. 3 shows traditional linear vibration electric motor.Suppose, produce respectively the S utmost point and the N utmost point by the magnetic force of magnet 82 to form magnetic circuit along a direction in yoke 84 and plate 83, and produce the N utmost point by the signal of telecommunication+A on the upside of coil 87, vibrating body 80 moves to downside by Fu Laiming (Fleming) left hand rule, and when being applied with the signal of telecommunication+A, vibrating body 80 is easy to move downward continuously, thereby collides with carriage 88.On the other hand, if the signal of telecommunication-A is applied in coil, produce the S utmost point on the upside of coil 87.So vibrating body 80 moves upward, and when being applied with the signal of telecommunication-A, be easy to move upward continuously, thereby with housing 81 or elastomer 86 collisions and produce the Mechanical Contact noise.
Fig. 4 shows and uses respectively vibration absorber 170 and magnetic fluid 160 with the example of the contact noise that overcomes the conventional linear vibrating motor on downside and upside.In this embodiment, vibrating body 100 will move downward by the signal of telecommunication+A, thereby collide with carriage 115.Although the vibration absorber 170 of being made by impact absorbing material is arranged on downside in order to prevent this phenomenon, can not absolutely be avoided or be absorbed by the mechanical shock that the operation of vibrating body causes.Therefore, the mechanical shock sound of vibrating body 100 is transferred to vibration absorber 170, thereby causes machinery noise.Machinery noise is exaggerated together with the resonance frequency of the product that is attached to mobile phone and electronic installation, amplifies simultaneously the various high-frequency noises that cause vibration problem.Therefore, the user may feel uncomfortable and may produce defective product in production line.
On the other hand, vibrating body 100 will move upward by the signal of telecommunication-A, thereby collide with housing 110 or elastomer 130.Be used to prevent this collision although serve as the magnetic fluid 160 of magnet, the magnitude of the impact of vibrating body 100 changes according to the amount of magnetic fluid 160.If increase the amount of magnetic fluid 160 in order to overcome this problem, the operation of the up/down of vibrating body 100 is limited, causes reducing fast and being difficult to manage vibration level of vibration level.Even when the magnitude of vibration is controlled to suitable degree, when the mobile phone that adopts linear vibration electric motor is carried and is used for various environment and different places, it can not keep the suitable vibration level for original properties, thereby causes the noise aggravation and make this feature variation.
Fig. 5 shows the magnetic circuit be used to the problem that overcomes the conventional linear vibrating motor.The magnetic force of magnet 23 produces by upper plate 24 and lower plate 22 magnetic line of force that flows along a direction.Assembled by the yoke 15 that is positioned at the center by the electromagnetic force that coil 14 produces, then in the circumferential projection 15A of section of yoke 15 place gathering and send from this lug boss 15A.Vibrating body 20 is operated up and down via gravitation and the repulsion between the electromagnetic force that is gathered in the magnetic force in upper plate 24 and lower plate 22 and is produced in the circumferential projection 15A of section of yoke by the AC power source.
Desirably, described carriage 11 section in the central has center projections hole 11A, and this center projections hole 11A engages the lower perimembranous 15B of described yoke 15 with fixing described yoke 15.
Fig. 6 is the cutaway view that illustrates according to lower fixed magnetic field of the present invention.The permanent magnetic field that is produced by the magnet 23 of vibrating body 20 produces the S utmost point and the generation N utmost point in lower plate 22 on a side of upper plate 24.Produce electromagnetic force by the signal of telecommunication+A with assigned frequency from the outside input coil 14.The electromagnetic force that produces in coil 14 has produced the N utmost point on a side that concentrates on yoke 15.Produce repulsion and produce gravitation in lower plate 22 in upper plate 24.Then, vibrating body 20 is lateral movement downwards rapidly, then arrives the magnetic stability position.Even when the signal of telecommunication+A is applied continuously, vibrating body 20 also keeps stopping.Therefore, vibrating body 20 can stop at the magnetic stability position and keep simultaneously stable operation.
Fig. 7 is the cutaway view that illustrates according to upper fixed magnetic field of the present invention.The permanent magnetic field that is produced by the magnet 23 of vibrating body 20 produces the S utmost point and the generation N utmost point in lower plate 22 on a side of upper plate 24.Produce opposite electromagnetic force by the signal of telecommunication-A with assigned frequency from the outside input coil 14.The electromagnetic force that produces in coil 14 has produced the S utmost point on a side that concentrates on yoke 15.Produce repulsion and produce gravitation in upper plate 24 in lower plate 22.Then, vibrating body 20 is upwards lateral movement rapidly, then arrives the magnetic stability position.Even when the signal of telecommunication-A is applied continuously, vibrating body 20 also keeps stopping.Therefore, vibrating body 20 can stop at the magnetic stability position and keep simultaneously stable operation.
Therefore, if close to the signal of telecommunication+A and-sine wave of the spherical wave of A alternately put on rapidly coil 14, yoke with the magnetic field concentration that replaces in the circumferential projection 15A of section.So vibrating body 20 moves up and down, the chatter that is therefore caused by the vibrating body 20 that moves is transferred to the housing of hollow housing by elastomer 31.
Fig. 8 is the cutaway view that the traditional vibrating motor that adopts brush 105 and rectifier 111 is shown.
As mentioned above, because do not adopt brush 105 or the rectifier 111 that is applied to traditional vibrating motor according to linear vibrator of the present invention, the life-span of vibrating motor can be semi-permanent.In addition, the present invention adopt magnetic fluid 160 and vibration absorber 170 with prevent due to moving up and down of vibrating body vibrating body 80 and 100, housing 81 and 110 and carriage 88 and 115 between produce contact noise.In order to prevent mechanical oscillation and progressive vibration performance variation, can utilize upper plate 24 and lower plate 22 to utilize gravitation and the repulsion of the yoke 15 of the magnetic force maximum that makes coil 14 that vibrating body is stably stopped, thereby make stable operation characteristic effectively and guarantee response speed fast.
Fig. 9 is the cutaway view of linear vibrator according to another implementation of the invention; In this embodiment, elastomer 31 member that can be set to connect with carriage 11 is assembled to be easy to the workman.
Although described illustrative embodiments of the present invention for illustration purpose, but those skilled in the art should understand that, in the situation that do not have to break away from as subsidiary claim in disclosed scope of invention and spirit, various modifications, to increase and substitute be possible.
Claims (9)
1. linear vibrator, this linear vibrator comprises:
Vibrating body, this vibrating body comprises: the magnet that produces permanent magnetic field; Be mounted to the lower plate that the direction of the magnetic force of described magnet is concentrated on assigned direction; Be mounted to the upper plate that the direction of the magnetic force of described magnet is concentrated on assigned direction; And be attached to described upper plate and be configured to increase the vibrator of vibration level, described vibrating body is assembled with described vibrator at last;
The upper surface that elastomer, this elastomer are attached to described upper plate effectively is transferred to the outside and is configured to help described vibrating body to move up and down along assigned direction with the chatter with described vibrating body;
Hollow housing, this housing are attached to described elastomer so that chatter is transferred to the outside; And
Stator, this stator is arranged on the lower surface of described vibrating body, and described stator comprises: the yoke that is configured to electromagnetic force is concentrated on a direction; Be attached to described yoke to produce the coil of electromagnetic force; PCB, this PCB are attached to the signal of telecommunication with assigned frequency that described coil receives from the outside with transmission; And the carriage that is attached to described PCB, described carriage has at its outstanding extension in peripheral part place, and described stator is assembled with described carriage at last, and described housing is attached to described stator at last.
2. linear vibrator according to claim 1, wherein, the external diameter of described yoke less than the internal diameter of described coil with the electromagnetic force of concentrating described coil and keep stable magnetic characteristic, and described yoke has circumferential projection section on top, the external diameter of described circumferential projection section makes the electromagnetic force of being concentrated by described coil with corresponding by the magnetic line of force of described upper plate and the generation of described lower plate greater than the external diameter of described coil.
3. linear vibrator according to claim 2, wherein, described carriage section in the central has the center projections hole, and this center projections hole engages the lower perimembranous of described yoke with fixing described yoke.
4. linear vibrator according to claim 1, wherein, described magnet has annular shape, the internal diameter of this annular shape greater than the external diameter of described yoke with concentrate on described yoke in electromagnetic force corresponding.
5. linear vibrator according to claim 4, wherein, the annular shape of described upper plate and the described lower plate upper surface with described magnet respectively is identical with the described annular shape on lower surface, is transformed into a direction in magnetic field with the magnetic force with described magnet.
6. linear vibrator according to claim 5, wherein, the external diameter of described upper plate makes described upper plate and described lower plate easily are attached to described vibrator greater than the external diameter of described lower plate.
7. linear vibrator according to claim 1 wherein, is attached to the density of described vibrator of described vibrating body greater than the density of iron.
8. linear vibrator according to claim 1, wherein, the described elastomeric starting point that is connected to described vibrating body is related with described upper plate, described elastomeric terminal point is related with described housing, retrain thus described elastomer and prevent that its operating period at described vibrating body from rocking, and wherein said elastomeric central portion is empty.
9. linear vibrator according to claim 1; wherein; when the sideline of described PCB and described coil by soldering or weld connection so that external electric signal is transferred to described coil, soldering or the weld part of a protective plate described coil of protection during the moving downward of described vibrating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103536553A CN103107670A (en) | 2011-11-09 | 2011-11-09 | Linear vibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103536553A CN103107670A (en) | 2011-11-09 | 2011-11-09 | Linear vibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103107670A true CN103107670A (en) | 2013-05-15 |
Family
ID=48315301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103536553A Pending CN103107670A (en) | 2011-11-09 | 2011-11-09 | Linear vibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103107670A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558784A (en) * | 2015-09-30 | 2017-04-05 | 苹果公司 | Magnetic surface contact |
| WO2017166399A1 (en) * | 2016-03-28 | 2017-10-05 | 歌尔声学股份有限公司 | Vibration motor and portable device |
| CN107294339A (en) * | 2017-02-02 | 2017-10-24 | 天津富禄通信技术有限公司 | Include the linear up-down vibration motor of magnetic field closed circuit formation shell |
| CN108136960A (en) * | 2016-07-01 | 2018-06-08 | 礼电子有限公司 | For generating the equipment of sound by using vehicle body |
| CN109672316A (en) * | 2018-04-30 | 2019-04-23 | 天津富禄通信技术有限公司 | Quadrangle vertical vibration motor |
| CN112260507A (en) * | 2020-03-31 | 2021-01-22 | 威海永柏微电机有限公司 | Vertical vibrator using upper and lower permanent magnets |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003199311A (en) * | 2002-01-04 | 2003-07-11 | Tokyo Denki Univ | Linear vibrating actuator |
| JP2006007161A (en) * | 2004-06-29 | 2006-01-12 | Namiki Precision Jewel Co Ltd | Oscillating linear actuator |
| CN1745907A (en) * | 2004-06-23 | 2006-03-15 | 三星电机株式会社 | Vertical vibrator |
| JP2010104864A (en) * | 2008-10-28 | 2010-05-13 | Sanyo Electric Co Ltd | Reciprocating vibration generator |
| CN102044947A (en) * | 2009-10-20 | 2011-05-04 | 三星电机株式会社 | Linear vibration generator |
-
2011
- 2011-11-09 CN CN2011103536553A patent/CN103107670A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003199311A (en) * | 2002-01-04 | 2003-07-11 | Tokyo Denki Univ | Linear vibrating actuator |
| CN1745907A (en) * | 2004-06-23 | 2006-03-15 | 三星电机株式会社 | Vertical vibrator |
| JP2006007161A (en) * | 2004-06-29 | 2006-01-12 | Namiki Precision Jewel Co Ltd | Oscillating linear actuator |
| JP2010104864A (en) * | 2008-10-28 | 2010-05-13 | Sanyo Electric Co Ltd | Reciprocating vibration generator |
| CN102044947A (en) * | 2009-10-20 | 2011-05-04 | 三星电机株式会社 | Linear vibration generator |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558784A (en) * | 2015-09-30 | 2017-04-05 | 苹果公司 | Magnetic surface contact |
| US10938147B2 (en) | 2015-09-30 | 2021-03-02 | Apple Inc. | Magnetic surface contacts |
| WO2017166399A1 (en) * | 2016-03-28 | 2017-10-05 | 歌尔声学股份有限公司 | Vibration motor and portable device |
| CN108136960A (en) * | 2016-07-01 | 2018-06-08 | 礼电子有限公司 | For generating the equipment of sound by using vehicle body |
| CN107294339A (en) * | 2017-02-02 | 2017-10-24 | 天津富禄通信技术有限公司 | Include the linear up-down vibration motor of magnetic field closed circuit formation shell |
| CN107294339B (en) * | 2017-02-02 | 2018-11-06 | 天津富禄通信技术有限公司 | The linear up-down vibration motor of shell is formed including magnetic field closed circuit |
| CN109672316A (en) * | 2018-04-30 | 2019-04-23 | 天津富禄通信技术有限公司 | Quadrangle vertical vibration motor |
| CN109672316B (en) * | 2018-04-30 | 2024-03-29 | 天津富禄通信技术有限公司 | Four-corner vertical vibration motor |
| CN112260507A (en) * | 2020-03-31 | 2021-01-22 | 威海永柏微电机有限公司 | Vertical vibrator using upper and lower permanent magnets |
| CN112260507B (en) * | 2020-03-31 | 2022-08-19 | 威海永柏微电机有限公司 | Vertical vibrator using upper and lower permanent magnets |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101250288B1 (en) | Haptic actuator | |
| KR101242525B1 (en) | Haptic actuator | |
| US8575794B2 (en) | Linear vibration motor having a buffer member | |
| US9762111B2 (en) | Linear vibration generation device | |
| US8729746B2 (en) | Linear vibration device | |
| KR101101330B1 (en) | Lenear vibration device | |
| CN103107670A (en) | Linear vibration device | |
| KR101354867B1 (en) | Linear vibration device | |
| KR101184545B1 (en) | Linear Vibration Motor | |
| EP2608373A1 (en) | Linear vibration device | |
| KR101506556B1 (en) | Linear Motor | |
| KR101133422B1 (en) | A linear vibrator | |
| US10637340B2 (en) | Linear vibration generating device | |
| US20120133220A1 (en) | Apparatus for generating vibrations | |
| CN210167938U (en) | Linear vibration actuator | |
| US20110278962A1 (en) | Linear vibrator | |
| KR20160114313A (en) | Haptic actuator | |
| JP5496990B2 (en) | Linear vibration device | |
| KR101858969B1 (en) | Apparatus with magnetic brake for generating vibration in portable device | |
| KR101198077B1 (en) | Linear vibration actuator | |
| KR101266793B1 (en) | Haptic actuator | |
| KR100596060B1 (en) | A vibrator of hand phone | |
| CN110874138A (en) | Sound vibration driver | |
| KR20130031528A (en) | Linear vibration motor | |
| KR101130131B1 (en) | Linear Vibrator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130515 |