CN1820402A - Flat type vibration motor and its brush - Google Patents
Flat type vibration motor and its brush Download PDFInfo
- Publication number
- CN1820402A CN1820402A CNA2005800006026A CN200580000602A CN1820402A CN 1820402 A CN1820402 A CN 1820402A CN A2005800006026 A CNA2005800006026 A CN A2005800006026A CN 200580000602 A CN200580000602 A CN 200580000602A CN 1820402 A CN1820402 A CN 1820402A
- Authority
- CN
- China
- Prior art keywords
- kink
- contact site
- width
- brush
- motor
- 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
Links
- 238000005452 bending Methods 0.000 claims description 13
- 230000001413 cellular effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
- H02K5/145—Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/061—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses
- H02K7/063—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses integrally combined with motor parts, e.g. motors with eccentric rotors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/04—Commutators
- H01R39/06—Commutators other than with external cylindrical contact surface, e.g. flat commutators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/006—Structural associations of commutators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The present invention relates to a flat type vibration motor and its brush. The brush is fixed between a stator and a rotor portion, and the width of the brush becomes narrower from the lower portion to the upper portion, so as to prevent the deformation of the brush caused by the impact, vibration, and load form the external. In adddtion, the work reliability of the vibration motor using the brush can be increased.
Description
Technical field
The present invention relates to a kind of flat type vibration motor, and relate more specifically to the brush of flat type vibration motor.More specifically, the present invention relates to a kind ofly after through long-term the use, still can keep the flat type vibration motor of its shape, thereby improved the reliability of motor itself.
Background technology
Traditional vibrating motor comprises: upper casing that links together and lower casing, one extend to the armature spindle of lower casing, the stator of magnet, a rotor portions and an a plurality of brush that is used for being electrically connected stator and rotor portions that is used to send vibration be installed above one from upper casing.
In more detail, within the lower casing of stator a lower plate, outside electric current can pass through this lower plate, and sequentially and has circlewise piled up several magnet on this lower plate.
In addition, radially be arranged to rotate for the rotor portions that produces the vibration eccentrically mounted weight when rotated around armature spindle.Coil stationary is to the rotor of eccentrically mounted weight; And lower plate is fixed to the lower area of rotor, and its underpart comprises a plurality of brushes that contact with commutator.The bottom of brush is fixed on the lower plate, and its top contacts with commutator, thus stator is connected electrically on the rotor portions.
As mentioned above, the brush that is fixed on the lower plate docks with commutator.Because commutator is fixed on the rotor portions, it is along with rotor portions is moved, and rotor portions is connected on the armature spindle in the mode that allows to do axial motion along armature spindle.So, if rotor portions is subjected to the external impact effect or in the working rotor process, rotor portions just can be done axial motion along axle.
When this rotor motion along axle took place, the displacement of rotor portions had applied a load on brush.When brush was subjected to this load, its shape can forever change, and this can cause the electric contact separation between brush and the commutator.In addition, in order to keep the reliable contact between brush and the commutator, the top of traditional brush is depressed by rotor portions, and the shape of brush itself changes thus.In these cases, if a power is applied on the brush constantly, brush will deform with faster rate.
To provide detailed explanation now to the permanent deformation of this brush.
Because the width of the traditional brush in the flat type vibration motor is consistent along its length, the compressive load on brush can't evenly distribute, and the elasticity of brush is very weak.
In addition, though be installed in the pressure effect that brush top between lower plate and the upper plate is subjected to upper plate, the shape of brush is not suitable in its kink compressive load that distributes equably, thereby the stress on the brush concentrates on a regional area.So, permanent deformation and the durability of products of having quickened brush reduces.
In addition, when for example cellular phone etc. needed the device fall of flat type vibration motor, the sizable impact energy that is produced for good and all changed the shape of brush.The brush of distortion can cause the current interruptions between stator and rotor.Thus, vibrating motor and cellular phone are with cisco unity malfunction.In addition, because the top of the bending of brush deforms and the pressure that acts on the brush concentrates in the zonule, brush can damage.
When brush generation permanent deformation, whole vibrating motor must be changed.
Summary of the invention
Therefore, the present invention relates to the flat type vibration motor and the brush thereof of one or more problems that a kind of restriction and shortcoming of having eliminated basically because of prior art produce.
An object of the present invention is to provide a kind of flat type vibration motor that can increase functional reliability.
Another object of the present invention provides a kind of flat type vibration motor, elasticity that it can be by increasing brush and the distortion that durability prevents its brush and prolong its working life.
For obtaining these and other advantages and according to purpose of the present invention, as illustrated with generalized description like that, a kind of flat type vibration motor is provided, comprising: a casing; An armature spindle that extends to the other end from an end of casing; A stator that is connected to the casing lower inside; One apart from stator one preset distance and radially install with around armature spindle rotor rotated portion; With a brush, its down contact site contact with stator and on it contact site contact with rotor portions.The kink of brush is from contact site bending and extension down; And last contact site is from further bending and extending to contact rotor portions of kink.The width of brush narrows down to last contact site gradually from following contact site.
According to a further aspect in the invention, provide a kind of flat type vibration motor, having comprised: a casing, one extends to the armature spindle of the other end, a stator that is connected to the casing lower inside from an end of casing; One apart from preset distance of stator and radially install with around armature spindle rotor rotated portion; With a brush, on it contact site contact with rotor portions and its down contact site contact with stator, thus stator is connected electrically on the rotor portions.The width of brush narrows down to last contact site gradually from following contact site.
According to a further aspect in the invention, provide a kind of flat type vibration motor, it has a stator and one with respect to the eccentric rotor rotated portion of stator and a plurality of brush, and each brush comprises: the following contact site of a contact stator; The kink that oneself following contact site bends and extends; Further extend from kink with one to contact the last contact site of rotor portions.The width of brush narrows down to last contact site gradually from following contact site.
According to the present invention, flat type vibration motor and brush thereof have new reliability step and have longer working life.
In addition, by preventing the brush distortion, this motor can stably be worked, and has improved the working life and the reliability of motor.
Description of drawings
Include accompanying drawing with further explanation the present invention.In the accompanying drawings:
Fig. 1 is the cross sectional side view of flat type vibration motor according to an embodiment of the invention;
Fig. 2 is the stereogram of brush according to an embodiment of the invention;
Fig. 3 is the vertical view of Fig. 2 center brush;
Fig. 4 is the front view of Fig. 2 center brush;
Fig. 5 is the stereogram of brush according to another embodiment of the present invention;
Fig. 6 is the vertical view of Fig. 5 center brush; And
Fig. 7 is the front view of Fig. 5 center brush.
Embodiment
Hereinafter, with preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.
Fig. 1 is the cross sectional side view of flat type vibration motor according to an embodiment of the invention.
With reference to figure 1, flat type vibration motor 100 according to the present invention comprises a casing 110, armature spindle 120, stator 130, a rotor portions 140 and a brush 150.
More specifically, casing 110 has a upper casing 111 and a lower casing 115, and the upper and lower side of armature spindle 120 is connected respectively on upper casing 111 and the lower casing 115.
Stator 130 has the lower plate 131 and a plurality of magnet 135 that is arranged on circlewise above the lower plate 131 that are connected to lower casing 115 inboards.
Rotor portions 140 has an eccentric rotor 141 apart from magnet 135 1 predetermined end plays, and rotor 141 axially is mounted to around armature spindle 120 tops and rotates.What be connected to rotor 141 is the coiled wire-wound coil that rotates with rotor 143, a counterweight (not shown), a upper plate 145 and a commutator 147 that is formed on the bottom of upper plate 145 and is connected to coil 143 that is positioned at rotor 141 bottoms.
A pair of brush 150 is arranged between stator 130 and the rotor portions 140, more specifically, is arranged in the space between lower plate 131 and the upper plate 145, and brush 150 has been electrically connected stator 130 and rotor portions 140, allows to pass through between them electric current.Brush 150 is about armature spindle 120 center symmetries.In an embodiment of the present invention, based on durability and flexible reason, brush is formed stepped, this will make an explanation referring to figs. 2 to 4.
Fig. 2 is the stereogram of brush according to an embodiment of the invention, and Fig. 3 is the vertical view of Fig. 2 center brush, and Fig. 4 is the front view of Fig. 2 center brush.
Referring to figs. 2 to 4, brush 150 have a following contact site 151, one first kink 153, one second kink 155, one first extension 156, second extension 157 and one go up contact site 159,
In more detail, following contact site 151 is flat rectangles, and is fixed on the lower plate 131, and first kink 153 from an end of contact site 151 down with vertical substantially direction bending with extend.Second kink 155 is from the top bending of first kink 153, and rises gradually from a horizontal plane when it is away from first kink 153.In addition, along with second kink 155 away from first kink 153, its width narrows down gradually, and its outline line bends to curve.First extension 156 extends from the narrow end of second kink 155, and narrows down gradually when extending.Second extension 157 bends and extends upward towards upper plate 145 from the narrow end of first extension 156, and narrows down gradually in the upwardly extending while.At last, last contact site 159 extends with contact commutator 147 from the narrow end bending of second extension 157 and with the form of the male bend that makes progress, and narrows down gradually towards its free end.Here, first extension 156, second extension 157 and last contact site 159 form a pair of Y-piece that is linked in sequence, and have predetermined space between two Y-pieces.Because first extension 156, second extension 157 and last contact site 159 form paired Y-piece, the contact between brush 150 and the commutator 147 can be more reliable.
W1∶W2＝1.2～1.5∶1。
Also be extension 156 and 157 and to go up each end width of contact site 159 different according to the feature of brush 150 of the present invention.In detail, the free-ended width W 3 of last contact site 159 has following relative size relation with width W 2 in the confluce of second kink 155 and first extension 156:
W2∶W3＝1∶0.71～0.83。
In addition since along first extension 156 and second extension 157 up to last contact site 159, width reduces gradually, has increased the elasticity of brush.
Relation between each width is as follows:
W1∶W2∶W3＝1.2～1.5∶1∶0.71～0.83。
According to an embodiment of brush 150 of the present invention, from lower plate 131 to upper plate 145, the width of brush reduces gradually.Therefore, the external load, vibration or the impact that are delivered to brush 150 will be distributed to it on the whole equably, increase its reliability thus.Because this structure of brush 150, the load on brush 150 (exerted pressure and produced by 145 pairs of brushes 150 of upper plate) can be distributed on whole second kink 155 equably, has stoped the further distortion of brush thus.
By this way, can avoid the permanent deformation of brush 150, increase the reliability of brush and vibrating motor.
Fig. 5 is the stereogram of brush according to another embodiment of the present invention, and Fig. 6 is the vertical view of Fig. 5 center brush, and Fig. 7 is the front view of Fig. 5 center brush.
With reference to figure 5 to 7, brush 170 comprises that a following contact site 171, one first kink 173, second kink 175 and one go up contact site 178.
In more detail, following contact site 171 is flat rectangles and is fixed on the lower plate 131.First kink 173 bends and extends along vertical substantially direction from an end that descends contact site 171.Second kink 175 flatly bends from the top of first kink 173 and extends, and along with it narrows down gradually away from first kink, 173 its width.In addition, the outline line of second kink 175 bends to curve.Last contact site 178 bends and extension towards the direction of upper plate 145 from the narrow end of second kink 175, and its width narrows down gradually towards its open end.Last contact site 178 is a pair of forks, has predetermined space between fork, and its weak point portion 179 makes progress male bend with contact commutator (seeing 147 among Fig. 1).
In more detail, on ladder-shaped brush 170, in the width W 1 in the place of first kink 173 and 173 intersections of second kink, have following relative size relation in the width W 2 in the place of second kink 175 and 178 intersections of last contact site and the free-ended width W 3 of weak point portion 179:
W1∶W2∶W3＝1.2～1.5∶1∶0.71～0.83。
Though describe and explained the present invention with reference to preferred embodiment, will be clearly for those of ordinary skill in the art, under the situation that does not deviate from main idea of the present invention and scope, can make multiple modification and variant.Therefore, the invention is intended to contain modification of the present invention and the variant that falls in attached claim and the equivalent scope thereof.
The width of the ladder-shaped brush of the flat motor of the present invention narrows down from the stator to the rotor gradually.Because this feature, increased that brush withstands shocks and the durability and the elasticity of load.
In addition, mildly be melt in the whole brush owing to act on load, vibration and impact on the brush, permanent deformation can not take place in brush, and the reliability of vibrating motor is improved.
Claims (21)
1, a kind of flat type vibration motor comprises:
A casing;
An armature spindle that extends to the other end from an end of this casing;
A stator that is fixed to this casing lower inside;
A rotor portions, it is installed on this armature spindle with around this armature spindle rotation, wherein has one between this rotor portions and this stator and is scheduled to end play; With
A brush that contacts with this rotor with this stator, this brush comprise a following contact site that contacts with this stator, a kink and a last contact site that further extends and contact with this rotor from this kink that then extends from the bending of this time contact site,
Wherein the width of this kink from this time contact site to this on contact site and narrowing down gradually.
2, motor as claimed in claim 1, wherein said kink has:
One first kink, its end from described contact site down extends with vertical substantially direction; With
One second kink, it extends from the bending of upper end of this first kink and with a gradient that makes progress gradually with respect to the horizontal plane of an imagination one by one.
3, motor as claimed in claim 1, wherein the face profile of the described kink of at least a portion bends to arc.
4, motor as claimed in claim 1, wherein said brush also comprise an extension with a pair of Y-piece between described kink and last contact site, this extension is wide near the position of contact site on being somebody's turn to do at the position ratio near this kink.
5, motor as claimed in claim 1, wherein said brush also comprise an extension that is formed between described kink and the last contact site, and its width narrows down gradually from this kink contact site on this.
6, motor as claimed in claim 1, the wherein said contact site of going up forms a pair of Y-piece.
7, motor as claimed in claim 1, wherein said contact site down is face with a surface of described stator and contacts.
8, motor as claimed in claim 1, wherein said kink comprises:
One first kink, its end from this time contact site then extends with vertical substantially direction bending; With
One second kink, its upper end from this first kink are bent into level and extend.
9, motor as claimed in claim 1, wherein said upward contact site has the shape of an epirelief, and peak of contact site contacts with described rotor portions on this.
10, motor as claimed in claim 1, the wherein said width of going up contact site narrows down gradually towards its open end.
11, motor as claimed in claim 1, the ratio between first width of the confluce of wherein said contact site down and kink and the 3rd width of the described upward open end of contact site is 1.2～1.5: 0.71～0.83.
12, motor as claimed in claim 1, first width of the most approaching described contact site part down of wherein said kink and this kink are 1.2～1.5 apart from the ratio of second width of this time contact site farthest: 1.
13, motor as claimed in claim 1, second width of the most approaching described contact site part down of wherein said upward contact site and described upward contact site are 1: 0.71～0.83 apart from the ratio of the 3rd width of this time contact site farthest.
14, a kind of flat type vibration motor comprises:
A casing;
An armature spindle that extends to the other end from an end of this casing;
A stator that is fixed to this casing lower inside;
One is installed on this armature spindle with around this armature spindle rotor rotated portion, has a predetermined end play between this rotor portions and this stator; With
A brush, this brush have one with the bottom of this stator butt and one top with this rotor portions butt, be used for being electrically connected this stator and this rotor portions, this top is narrower than this bottom.
15, motor as claimed in claim 14, wherein said brush narrows down to this top gradually from this bottom.
16, motor as claimed in claim 14, wherein said brush comprises:
A following contact site that contacts with described stator;
One first kink, it then extends with vertical substantially direction bending from this time contact site;
One second kink, it extends from the bending of the upper end of this first kink and with the gradient that the horizontal plane with respect to an imagination makes progress gradually, and this second kink is along with it narrows down gradually away from this its width of first kink, and its outward flange bends to arc;
One first extension, extend in the mode that width narrows down gradually its open end from this second kink;
One second extension, its open end from this first extension upwards bends and extension towards this rotor portions in the mode that width narrows down gradually; With
Go up contact site for one, it extends upward to contact this rotor with the form of the epirelief open end from this second extension, and width narrows down gradually when extending, wherein this first extension, second extension and last contact site form the paired fork that is linked in sequence, and have predetermined space between two forks.
17, motor as claimed in claim 16, wherein first width of described first kink and the second kink confluce, second width of described second kink and the first extension confluce and described on the 3rd width of contact site open end have following relative size relationship: W1: W2: W3=1.2～1.5: 1: 0.71～0.83.
18, motor as claimed in claim 14, wherein said brush comprises:
A following contact site that contacts with described stator;
One first kink, it then extends with vertical substantially direction bending from described contact site down;
One second kink, its top from this first kink are bent into level and extend, and this second kink narrows down gradually at its width when this first kink extends, and has the edge that bends to arc;
Go up contact site for one, its open end from this second kink upwards bends then towards rotor portions extends, its width narrows down gradually along with its extension, it has an open end that the epirelief shape is arranged to contact this rotor portions, and form a pair of Y-piece, between Y-piece, have predetermined space.
19, motor as claimed in claim 18, wherein second width of an end of first width of described first kink and the second kink confluce, described first kink of distance second kink farthest and on described the 3rd width of the open end of contact site have following relative ratios: W1: W2: W3=1.2～1.5: 1: 0.71～0.83.
20, a kind of brush that is used for flat type vibration motor, this motor are provided with a stator and one with respect to the eccentric rotor rotated of this stator, and this brush comprises:
The following contact site of this stator of contact;
Kink from bending of this time contact site and extension; With
One is further extended last contact site contact with this rotor portions from this kink, and wherein the width of this brush of contact site narrows down gradually to being somebody's turn to do upward from this kink.
21, brush as claimed in claim 20, first width of a wherein said kink and a described end of contact site intersection down, second width of this kink other end and described the 3rd width of going up the contact site open end have following relative ratios: W1: W2: W3=1.2～1.5: 1: 0.71～0.83.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040019239 | 2004-03-22 | ||
| KR1020040019239A KR20050094107A (en) | 2004-03-22 | 2004-03-22 | Brush of flat type vibration motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1820402A true CN1820402A (en) | 2006-08-16 |
| CN100472914C CN100472914C (en) | 2009-03-25 |
Family
ID=36919566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800006026A Expired - Fee Related CN100472914C (en) | 2004-03-22 | 2005-03-22 | Flat type vibration motor and its brush |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1728308A1 (en) |
| KR (1) | KR20050094107A (en) |
| CN (1) | CN100472914C (en) |
| WO (1) | WO2005091472A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916964A (en) * | 2020-08-31 | 2020-11-10 | 阜南县特立电子有限公司 | Layered electric brush for flat motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101043919B1 (en) * | 2010-04-28 | 2011-06-29 | (주)모토닉 | Touch sensor brush |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000224824A (en) * | 1999-02-01 | 2000-08-11 | Citizen Electronics Co Ltd | Flat type dc motor |
| KR20010046374A (en) * | 1999-11-12 | 2001-06-15 | 이형도 | A flat type vibration motor |
| JP3615117B2 (en) * | 2000-04-12 | 2005-01-26 | 株式会社昴 | Flat vibration motor |
| JP2002345213A (en) * | 2001-05-11 | 2002-11-29 | Entac Kk | Pair of 90° opening angle brush |
| JP3519706B2 (en) * | 2001-07-18 | 2004-04-19 | 東京パーツ工業株式会社 | Brush damping device, method of manufacturing the brush damping device, and flat vibration motor provided with the brush damping device |
-
2004
- 2004-03-22 KR KR1020040019239A patent/KR20050094107A/en not_active Application Discontinuation
-
2005
- 2005-03-22 EP EP05726790A patent/EP1728308A1/en not_active Withdrawn
- 2005-03-22 CN CNB2005800006026A patent/CN100472914C/en not_active Expired - Fee Related
- 2005-03-22 WO PCT/KR2005/000831 patent/WO2005091472A1/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916964A (en) * | 2020-08-31 | 2020-11-10 | 阜南县特立电子有限公司 | Layered electric brush for flat motor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1728308A1 (en) | 2006-12-06 |
| CN100472914C (en) | 2009-03-25 |
| WO2005091472A1 (en) | 2005-09-29 |
| KR20050094107A (en) | 2005-09-27 |
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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 | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: LG INNOTEK HUIZHOU Co.,Ltd. Assignor: LG INNOTEK Co.,Ltd. Contract record no.: 2011990000123 Denomination of invention: Flat type vibration motor and its brush Granted publication date: 20090325 License type: Exclusive License Open date: 20060816 Record date: 20110304 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160105 Address after: Anhui city of Fuyang province Funan Economic Development Zone, road Patentee after: Teli Electronic Co.,Ltd. Address before: Seoul, South Kerean Patentee before: LG INNOTEK Co.,Ltd. |
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Address after: All 236300 Anhui city of Fuyang province Funan County Economic Development Zone Patentee after: EM-TECH, CO.,LTD. Address before: Fuyang City, Anhui Province, Funan Chinese see the economic development zone, road Patentee before: Teli Electronic Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 |