CN101854108A - Linear type vibration motor - Google Patents

Linear type vibration motor Download PDF

Info

Publication number
CN101854108A
CN101854108A CN200910224861A CN200910224861A CN101854108A CN 101854108 A CN101854108 A CN 101854108A CN 200910224861 A CN200910224861 A CN 200910224861A CN 200910224861 A CN200910224861 A CN 200910224861A CN 101854108 A CN101854108 A CN 101854108A
Authority
CN
China
Prior art keywords
vibration motor
weight assembly
linear type
type vibration
elastic component
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.)
Granted
Application number
CN200910224861A
Other languages
Chinese (zh)
Other versions
CN101854108B (en
Inventor
李光炯
吴和泳
房帝贤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electro Mechanics Co Ltd
Original Assignee
Samsung Electro Mechanics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electro Mechanics Co Ltd filed Critical Samsung Electro Mechanics Co Ltd
Publication of CN101854108A publication Critical patent/CN101854108A/en
Application granted granted Critical
Publication of CN101854108B publication Critical patent/CN101854108B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H02K33/04—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
    • H02K33/08—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation with DC energisation superimposed on AC energisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3042—Power arrangements internal to the switch for operating the driving mechanism using spring motor using a torsion spring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/17—Stator cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
    • H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems

Abstract

The invention provides a linear vibration motor, including a housing for receiving a weight member including a recess; a movable member fixed on the weight member; a coil which is cooperated with an electromagnetic field to drive the movable member and the weight member to move together and in which current is flowing; a connecting member which has an end connected to the housing and another end extending to the recess and drive the recess; and elastic members which are respectively arranged on two sides of the connecting member in the recess and setting the boundary of the horizontal movement of the weight member.

Description

Linear type vibration motor
The application requires the priority at the 10-2009-0027304 korean patent application of Korea S Department of Intellectual Property submission on March 31st, 2009, by reference disclosing of this application is contained in this.
Technical field
The present invention relates to a kind of linear type vibration motor (linear vibration motor), more particularly, relate to a kind of being constructed to be installed in the personal portable terminals and the linear type vibration motor of along continuous straight runs (that is, along personal portable terminals vertically) vibration.
Background technology
Usually, receiving function is that communication equipment is prerequisite.Because have such receiving function, so export the sound output function of polyphonic ring tone or the tinkle of bells and the vibrating function of vibration equipment is used at large.
Specifically, vibrating function is mainly used in the polyphonic ring tone or the tinkle of bells that prevent by the loud speaker of communication equipment is exported and bothers other people.In order to realize such vibrating function, drive undersized vibrating motor, so that its actuating force is passed to the housing of equipment, thereby make vibration equipment.
At present, be used to LCD (LCD) touch-screen of mobile phone, size reduces and quality has improved.This LCD touch-screen needs as vibrative function when being touched.So, improve vibrating motor and become more important.
The vibrating motor that is used for mobile phone at present rotates the rotatable parts with uneven weight by the power of rotating, thereby obtains mechanical oscillation.In most of vibrating motors, by the contact between brush and the rectifier to the rotor coil rectification after, by electric current being applied to the rotor coil power that rotates.
The limitation that this brush-type structure of utilizing rectifier is had is that when motor rotates brush causes mechanical friction and electric spark through the magnetic pole gap between each section of rectifier the time, thereby causes brush and rectifier wearing and tearing.This has shortened the useful life of motor.
In addition, owing to when voltage is applied to motor, utilized rotator inertia, thus need the time to reach the vibration of expectation, thus be difficult to realize be suitable for adopting the vibration of the personal portable terminals of touch-screen.
Summary of the invention
An aspect of of the present present invention provides a kind of linear type vibration motor that can vibrate and reduce the thickness of personal portable terminals along straight line path one-dimensionally.
According to an aspect of the present invention, provide a kind of linear type vibration motor, this linear type vibration motor comprises: housing will comprise that recessed weight assembly is contained in inside; Movable part is fixed to described weight assembly; Coil, electric current flow in coil, with the interaction by electromagnetic field described movable part are moved with described weight assembly; Connector has an end that is connected to described housing and the other end that extends to the female, and described connector drives the female; Elastic component is separately positioned on the both sides of the described connector in the female, and sets the boundary of the horizontal movement of described weight assembly.
Described movable part can comprise: magnet is provided for the magnetic force of the described horizontal movement of described weight assembly; Yoke is determined the direction of the described magnetic force of described magnet.
Described yoke can be arranged between described magnet and the described weight assembly.
Described linear type vibration motor also can comprise the both side surface that is arranged on described housing and be used to guide the guide post of the motion path of described weight assembly.Described weight assembly can have corresponding with described guide post respectively gathering sill.
Each elastic component of described linear type vibration motor can be a rotating spring.
Each elastic component of described linear type vibration motor can be a leaf spring.
Each elastic component of described linear type vibration motor can be a torsionspring.
Described weight assembly can have the holding portion that is used for described yoke is contained in inside.
Described linear type vibration motor also can comprise plate, and the top surface of described plate is electrically connected with described coil, and described coil can comprise a plurality of coils that are arranged on abreast on the described plate.
Description of drawings
The following detailed description of carrying out in conjunction with the drawings will be expressly understood above-mentioned and other aspect, characteristics and other advantage of the present invention more, in the accompanying drawing:
Fig. 1 illustrates the perspective view of linear type vibration motor according to an exemplary embodiment of the present invention.
Fig. 2 is the decomposition diagram of the linear type vibration motor of Fig. 1.
Fig. 3 is the diagrammatic sketch of motion that is used for the linear type vibration motor of key-drawing 1.
Fig. 4 is the perspective view of supporting bracket that is used for the linear type vibration motor of key-drawing 1.
Fig. 5 A to Fig. 5 C is used to explain the diagrammatic sketch of the motion of elastic component according to an exemplary embodiment of the present invention.
Fig. 6 is the perspective view of the linear type vibration motor of another exemplary embodiment according to the present invention.
Fig. 7 is the perspective view that is used to explain the linear type vibration motor of another exemplary embodiment according to the present invention.
Embodiment
Now, describe exemplary embodiment of the present invention with reference to the accompanying drawings in detail.Yet the present invention can implement with multiple different form, and should not be interpreted as being confined to be set forth in this embodiment.On the contrary, provide these embodiment to make that the disclosure will be thorough with completely, and scope of the present invention is conveyed to those skilled in the art fully.In the accompanying drawings, for clarity, exaggerated the thickness in layer and zone.In the accompanying drawings, identical label is represented components identical, therefore will omit description of them.
Now with reference to Fig. 1 to Fig. 7 linear type vibration motor is according to an exemplary embodiment of the present invention described in further detail.
Fig. 1 is used to explain the perspective view of linear type vibration motor according to an exemplary embodiment of the present invention.Fig. 2 is the decomposition diagram of the linear type vibration motor of Fig. 1.Fig. 3 is the diagrammatic sketch of motion that is used for the linear type vibration motor of key-drawing 1, and Fig. 4 is the perspective view of supporting bracket that is used for the linear type vibration motor of key-drawing 1.
Referring to figs. 1 through Fig. 4, linear type vibration motor 100 comprises supporting bracket 110, movable part 120, weight assembly 130, elastic component 140 and housing 150.
Accommodate plate 114 in the supporting bracket 110, to allow within it on the side installation elements and to protect these elements.Supporting bracket 110 can have the shape corresponding shape with housing 150, but is not limited thereto.Can design different supporting bracket 110 according to designer's wish.
Plate 114 is installed on the supporting bracket 110, and can be flexible PCB.A plurality of coils 112 are electrically connected to the top surface of plate 114.Plate 114 has the extension of extending from its middle part that will be connected to external plates.
A plurality of coils 112 all are wound into broad flat shape, and are arranged side by side, thereby they are arranged on the top surface of plate 114 commodiously.Alternating current (AC) but flowing through coil 112, thereby allow movable part 120 to make 130 vibrations of weight assembly.
Movable part 120 is arranged between weight assembly 130 and the coil 112, and movable part 120 comprises magnet 122 and yoke 124.
The direction of electric field force by the frequency that produces from coil 112 and the magnetic force that produces to yoke 124 from magnet 122 is determined the direction of motion of movable part 120 according to Lorentz force.
Magnet 122 places on the coil 112, and magnet 122 has hexahedral shape.Because of the interaction between the electromagnetic force of the preset frequency that produces from the magnetic force of magnet 122 with from coil 112, movable part 120 is along the horizontal direction vibration parallel with coil 112, shown in arrow among Fig. 3.
Yoke 124 is arranged between magnet 122 and the weight assembly 130, and magnet 122 can be attached to the basal surface of yoke 124.Can fix yoke 124 by yoke 124 being contained in the holding portion 132 in the basal surface that is formed at weight assembly 130.Yet the shape of yoke 124 is not limited to described description, and can carry out multiple design according to designer's intention.
In above-mentioned mode, movable part 120 is fixed to weight assembly 130, thereby weight assembly 130 moves along the direction identical with the direction of motion of movable part 120 together with movable part 120.
Weight assembly 130 can have predetermined weight, and owing to the interaction of magnet 122 and coil 112 is vibrated along direction of vibration.Here, direction of vibration is meant the horizontal direction (seeing the arrow of Fig. 3) that is parallel to coil 112.
In the top surface of weight assembly 130, have recessed 136, to hold elastic component 140 and connector 152.In addition, gathering sill 134 extends along the both side surface of weight assembly 130, to hold guide post 154 respectively.
Each gathering sill 134 is recessed to the inside of weight assembly, and has rectangular shape; Yet gathering sill is not limited to described description and can has round-shaped.
Guide post 154 is fixed to the inboard of housing 150.These two guide posts 154 are arranged on the inboard of housing 150 symmetrically.In the drawings, though guide post 154 has the elongated cylindrical shape, be not limited thereto.Can use as adhesive, O type circle etc. guide post 154 is fixed to housing.
Therefore, when weight assembly 130 by movable part 120 when being parallel to the horizontal motion on ground, weight assembly 130 moves along guide post.Therefore, can more stably drive weight assembly 130.
Recessed 136 are formed in the top surface of weight assembly 130, and elastic component 140 and connector 152 are inserted in recessed 136.Connector 152 has an end that is connected to housing 150 and extends to recessed 136 the other end, and connector 152 is used for driving recessed 136.
Here, connector 152 can have the hexahedral shape of rule and be fixed to the interior top surface of housing 150.Yet the shape of connector 152 is not limited to described description, and connector 152 can become one with housing 150.
After connector 152 was inserted into recessed 136 center of weight assembly 130, elastic component 140 was inserted in recessed 136 in the both sides of connector 52 respectively.
Thereby when 130 motions of weight assembly, elastic component 140 is compressed or stretches, and is delivered to connector 152 with the motoricity with them.
Because elastic component 140 inserts and is fixed to the recessed 136 of weight assembly 130, thus do not need the fixedly independent structure of elastic component, thus make designs simplification.In addition, because elastic component 140 compression or stretch and in recessed 136, so transmitting vibrations more effectively without any other distortion.
Here, elastic component 140 can be a helical spring all, but is not limited thereto.Can select or use multiple structure as elastic component, so that they can provide elastic force.The elastic component 140 that is arranged on connector 152 both sides has been set the boundary of weight assembly 130 horizontal movements.
Fig. 5 A to Fig. 5 C is used to explain the diagrammatic sketch of the motion of elastic component 140 according to an exemplary embodiment of the present invention.
With reference to Fig. 5 A, connector 152 is arranged on the center on recessed 136 in the surface that is formed on weight assembly 130.Then, two elastic components 140 are inserted in recessed 136, and the end is arranged on the left side and the right side of connector 152 regularly.
Shown in Fig. 5 B, when weight assembly 130 moved to the right side, the elastic component 140 that is positioned at the left side was compressed, and the elastic component that is positioned at the right side simultaneously is stretched.
Shown in Fig. 5 C, when weight assembly 130 moved to the left side, the elastic component 140 that is positioned at the left side was stretched, and the elastic component 140 that is positioned at the right side simultaneously is compressed.Because the elastic force of elastic component 140 makes that the vibration force of weight assembly 130 can be transmitted more effectively.Be arranged on the both sides of connector 152 and the elastic component 140 of along continuous straight runs vibration and set the boundary that weight assembly 130 moves horizontally.
According to present embodiment, designed along the linear type vibration motor of the horizontal direction vibration that is parallel to ground.This linear type vibration motor along continuous straight runs in being installed in personal portable terminals (that is, and personal portable terminals vertically, rather than the thickness direction of personal portable terminals) during vibration, reduced the thickness of personal portable terminals.This allows linear type vibration motor to form longlyer in the horizontal direction, thereby improves vibration performance.
Fig. 6 is the perspective view of the linear type vibration motor of another exemplary embodiment according to the present invention.
With reference to Fig. 6, linear type vibration motor 200 comprises supporting bracket 110, movable part, weight assembly 130, elastic component 240 and housing 150.
In this embodiment, supporting bracket 110, movable part, weight assembly 130 and housing 150 are basic identical with supporting bracket 110, movable part, weight assembly 130 and the housing 150 of the exemplary embodiment of front.Therefore, with the detailed description of omitting them.
Elastic component 240 is inserted in being recessed into of weight assembly 130, and each elastic component 240 all can be a torsionspring.
Thereby, do not need to be used for fixing the independent structure of elastic component, therefore such linear type vibration motor 200 can have the structure of simplification.In addition, elastic component 240 is compressed in weight assembly 130 recessed and stretches and do not have other distortion, thus transmitting vibrations effectively.
Fig. 7 is the perspective view of the linear type vibration motor of the 3rd exemplary embodiment according to the present invention.
With reference to Fig. 7, linear type vibration motor 300 comprises supporting bracket 110, movable part, weight assembly 130, elastic component 340 and housing 150.
In this embodiment, supporting bracket 110, movable part, weight assembly 130 and housing 150 are substantially the same with supporting bracket 110, movable part, weight assembly 130 and the housing 150 of the exemplary embodiment of front.Therefore, with the detailed description of omitting them.
Elastic component 340 inserts and is fixed in being recessed into of weight assembly 130, and each elastic component 340 all can be a leaf spring.
Elastic component is that variable reason is to determine resonance frequency according to the quality and the elastic constant of weight assembly, and this resonance frequency is huge to the vibration effect of weight assembly.
Thereby, do not need to be used for fixing the independent structure of elastic component, therefore such linear type vibration motor 300 can have the structure of simplification.In addition, elastic component 340 is compressed in weight assembly 130 recessed and stretches and do not have other distortion, thus transmitting vibrations effectively.
As mentioned above, according to exemplary embodiment of the present invention, the linear type vibration motor along continuous straight runs in the personal portable terminals (that is, personal portable terminals vertically) rather than along the thickness direction straight-line oscillation of personal portable terminals.Thereby, can realize reducing the purpose of the thickness of personal portable terminals.In addition, linear type vibration motor can prolong along direction of vibration, and irrelevant with the thickness of personal portable terminals, thereby has further improved vibration performance.
In addition, the weight assembly of linear type vibration motor has recessed on a surface of weight assembly, and the recessed connector that holds elastic component and be fixed to housing, thereby the vibration of weight assembly can be delivered to housing effectively.Because elastic component easily is installed in being recessed into of weight assembly, so do not need to be used for fixing the independent fixed structure of elastic component.
Although illustrated and described the present invention, it will be apparent to those skilled in the art that and under the situation that does not break away from the spirit and scope of the present invention defined by the claims, can make amendment and change in conjunction with exemplary embodiment.

Claims (9)

1. linear type vibration motor comprises:
Housing will comprise that recessed weight assembly is contained in inside;
Movable part is fixed to described weight assembly;
Coil, electric current flow in coil, with the interaction by electromagnetic field described movable part are moved with described weight assembly;
Connector has an end that is connected to described housing and the other end that extends to the female, and described connector drives the female;
Elastic component is separately positioned on the both sides of the described connector in the female, and sets the boundary of the horizontal movement of described weight assembly.
2. linear type vibration motor as claimed in claim 1, wherein, described movable part comprises:
Magnet is provided for the magnetic force of the described horizontal movement of described weight assembly;
Yoke is determined the direction of the described magnetic force of described magnet.
3. linear type vibration motor as claimed in claim 2, wherein, described yoke is arranged between described magnet and the described weight assembly.
4. linear type vibration motor as claimed in claim 2, wherein, described weight assembly has the holding portion that is used for described yoke is contained in inside.
5. linear type vibration motor as claimed in claim 1 also comprises the both side surface that is arranged on described housing and is used to guide the guide post of the motion path of described weight assembly,
Wherein, described weight assembly has corresponding with described guide post respectively gathering sill.
6. linear type vibration motor as claimed in claim 1, wherein, described elastic component comprises rotating spring separately.
7. linear type vibration motor as claimed in claim 1, wherein, described elastic component comprises leaf spring separately.
8. linear type vibration motor as claimed in claim 1, wherein, described elastic component comprises torsionspring separately.
9. linear type vibration motor as claimed in claim 1 also comprises plate, and the top surface of described plate is electrically connected with described coil, and described coil comprises a plurality of coils that are arranged on abreast on the described plate.
CN2009102248617A 2009-03-31 2009-11-27 Linear type vibration motor Expired - Fee Related CN101854108B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0027304 2009-03-31
KR1020090027304A KR100992264B1 (en) 2009-03-31 2009-03-31 Linear Type Vibration Motor

Publications (2)

Publication Number Publication Date
CN101854108A true CN101854108A (en) 2010-10-06
CN101854108B CN101854108B (en) 2013-03-13

Family

ID=42805415

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009102248617A Expired - Fee Related CN101854108B (en) 2009-03-31 2009-11-27 Linear type vibration motor

Country Status (2)

Country Link
KR (1) KR100992264B1 (en)
CN (1) CN101854108B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103490582A (en) * 2013-10-12 2014-01-01 金龙机电股份有限公司 Thin type flat linear vibration motor
CN106787584A (en) * 2016-12-27 2017-05-31 温州伏尔特电子科技有限公司 A kind of linear vibration motor
WO2017088386A1 (en) * 2015-11-25 2017-06-01 歌尔声学股份有限公司 A linear vibration motor

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101259683B1 (en) 2010-10-27 2013-05-02 엘지이노텍 주식회사 Horizental vibration motor
KR101240455B1 (en) * 2011-06-27 2013-03-11 주식회사 예일전자 The linear vibrating motor
US9467033B2 (en) 2012-02-07 2016-10-11 Lg Electronics Inc. Vibration motor and mobile terminal having the same
CN103401394B (en) * 2013-08-13 2015-09-02 金龙机电股份有限公司 A kind of thin type flat rectilinear vibration motor of improvement
CN105226908B (en) * 2015-10-20 2019-03-22 瑞声光电科技(常州)有限公司 Linear type vibration motor
FR3068840B1 (en) 2017-07-07 2023-03-31 Actronika Sas VIBROTACTILE ACTUATOR
KR102087798B1 (en) * 2019-11-08 2020-04-24 주식회사 엠플러스 Horizontal linear vibrator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3382061B2 (en) * 1995-05-31 2003-03-04 松下電工株式会社 Linear vibration motor
US6873067B2 (en) * 2000-09-29 2005-03-29 Matsushita Electric Works, Ltd. Linear oscillator
JP3841021B2 (en) * 2002-05-28 2006-11-01 松下電工株式会社 Vibration type linear actuator
JP4155101B2 (en) 2003-05-16 2008-09-24 松下電工株式会社 Vibration type linear actuator and electric toothbrush using the same
KR100720197B1 (en) 2005-05-23 2007-05-21 자화전자(주) Linear type vibration motor vibrated horizontally

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103490582A (en) * 2013-10-12 2014-01-01 金龙机电股份有限公司 Thin type flat linear vibration motor
WO2017088386A1 (en) * 2015-11-25 2017-06-01 歌尔声学股份有限公司 A linear vibration motor
US10637339B2 (en) 2015-11-25 2020-04-28 Goertek Inc. Linear vibration motor
CN106787584A (en) * 2016-12-27 2017-05-31 温州伏尔特电子科技有限公司 A kind of linear vibration motor

Also Published As

Publication number Publication date
CN101854108B (en) 2013-03-13
KR100992264B1 (en) 2010-11-05
KR20100108963A (en) 2010-10-08

Similar Documents

Publication Publication Date Title
CN101854108B (en) Linear type vibration motor
CN106130303B (en) Linear vibration electric motor
US10992214B2 (en) Linear vibration motor
US8299658B2 (en) Horizontal linear vibrator
JP6184622B2 (en) Haptic actuator
US10038360B2 (en) Vibration motor
US8860262B2 (en) Linear vibration motor having elastic member including bending part
US20100231060A1 (en) Linear vibration motor
US10158278B2 (en) Vibration motor
US20110316361A1 (en) Horizontal linear vibrator
KR20120043909A (en) Horizental vibration motor
CN110089014B (en) Vibration actuator, wearable terminal, and incoming call notification function device
JP2017006901A (en) Vibration motor
KR101079409B1 (en) horizontal linear vibrator
CN205178827U (en) Linear vibrating motor
CN105703593A (en) Linear vibration motor
CN206023534U (en) Resonant motor
KR20100088290A (en) Vibration motor
CN111316543A (en) Vibration generating device
KR20120033038A (en) Horizontal linear vibrator
CN107425693A (en) Linear vibration motor and mobile electronic device
CN205178826U (en) Linear vibrating motor
KR101321729B1 (en) Horizontal type linear shock motor for mobile phone
KR20120018405A (en) Horizontal linear vibrator
KR20160028134A (en) Cantilever type 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
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20151127

CF01 Termination of patent right due to non-payment of annual fee