CN101551504A - Lens driver - Google Patents
Lens driver Download PDFInfo
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- CN101551504A CN101551504A CNA2009101306988A CN200910130698A CN101551504A CN 101551504 A CN101551504 A CN 101551504A CN A2009101306988 A CNA2009101306988 A CN A2009101306988A CN 200910130698 A CN200910130698 A CN 200910130698A CN 101551504 A CN101551504 A CN 101551504A
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- yoke
- lens driver
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Abstract
The present invention relates to a lens driver. The aim of the invention is to provide a lens driver, capable of reducing component number and implementing miniaturization. the lens driver (10) having a lens carrier (14) including a cylindrical part (140) for holding a lens assembly part, a driving coil (16) locating around the cylindrical part and fixed on the lens carrier, an external side heel piece (20) having a permanent magnet (18) facing to the driving coil, and an upper side elastic component (22) and a lower side elastic component (24) arranged on two sides of an optical axis (O) direction of the cylindrical part of the lens carrier for supporting the lens carrier movably in the optical axis (O) direction in a radial localization status; the upper side elastic component (22) and a lower side elastic component (24) being arranged inside the external side heel pieces (20, 20A).
Description
Technical field
The present invention relates to lens driver, relate in particular to the employed automatic focus lens driver of portable small-sized camera.
Background technology
Portable small-sized camera carries on the portable phone of band camera.This portable small-sized camera has used the automatic focus lens driver.From the past till now, the various automatic focuses scheme with lens drivers has been proposed.
For example, patent documentation 1 (TOHKEMY 2007-72271 communique (Fig. 1, Fig. 2)) discloses a kind of lens driver, it can reduce from the leakage flux that driving is applied the magnet in magnetic field with coil, when can improve the driving efficient of lens mount, can also reduce the harmful effect that brings by leakage flux to other device.This patent documentation 1 disclosed lens driver has: the lens mount that keeps lens, be installed in the drive coil of the ring-type on this lens mount, be arranged on the yoke of fixed part one side, be arranged on the magnet of this yoke inner face one side, the peristome side that respectively said lens frame and said fixing parts is connected said lens be upper side and with the upper springs member and the lower springs member of the lower side of the opposite side of above-mentioned peristome side.The section that above-mentioned yoke is made of magnetics such as soft irons is that the top yoke of tubular of コ font and the bottom yoke of the tubular that section is the L font constitute.
In this patent documentation 1, yoke is by fixing member supports, and fixed part covers.And upper springs member and lower springs member are arranged between yoke and the fixed part.In other words, dispose upper springs member and lower springs member in the outside of yoke.
With regard to above-mentioned patent documentation 1 disclosed lens driver, owing to need be used to cover the fixed part of yoke, thereby the problem that exists component number to increase and so on.In addition, owing to be to cover the structure of yoke with fixed part, thereby also have the problem of volume increase and so on.
Summary of the invention
The object of the present invention is to provide a kind of lens driver that can reduce component number.
Another object of the present invention is to provide a kind of lens driver that can realize miniaturization.
Other purpose of the present invention will be clearer along with the progress of explanation.
According to the present invention, available lens driver is, possessing lens mount 14 with the cylindrical portion 140 that is used to keep the lens combination piece installing, what be positioned at cylindrical portion is fixed on drive coil 16 on this lens mount peripherally, the permanent magnet 18 relative with this drive coil, have outside yoke 20, the 20A of permanent magnet at inwall, and be arranged on the cylindrical portion of lens mount optical axis O direction both sides, with lens mount in radial location state can be supported on the upside elastic component 22 and the downside elastic component 24 of optical axis O direction with being shifted; Each of upside elastic component and downside elastic component has and is installed in the interior all side ends 222,242 on the lens mount 14 and is installed in outer circumferential side end 224,244 on the outside yoke 20, the 20A, by drive coil 16 is switched on, because the magnetic field of permanent magnet 18 can be to lens mount 14 in the lens driver 10 that the position of optical axis O direction is adjusted with the interaction in the magnetic field of the electric current generation of the drive coil 16 of flowing through; It is characterized in that upside elastic component 22 and downside elastic component 24 are configured in the inside of outside yoke 20,20A.
In the lens driver 10 of the invention described above, preferred outside yoke 20,20A have and comprise outer ring end 204, the 204A that for example permanent magnet is contained in urceolus portion 202, the 202A on the inwall and is located at this urceolus portion upper end.This occasion, outer ring end 204,204A have and optical axis O concentric openings 204a.Preferred this opening 204a is the hole of the minimum diameter that necessary field angle draws from camera module.The outside yoke 20,20A have the holding member of the outer circumferential side end 204 that is used to keep upside elastic component 22.This holding member for example both can be made of the recess 206 that caves in to the inside from the bight, upper end of outside yoke 20, also can be made of the liner 34 in the inwall bight that is arranged on above-mentioned outside yoke 20A.
In the lens driver 10 of the invention described above, preferably also have and be used for by the fixing inboard yoke 30 of the outer circumferential side end 244 of downside elastic component 24 of liner 28.Inboard yoke can comprise: for example be installed in interior side ring end 302 on the inwall of urceolus portion 202 of outside yoke 20 with the lower end, and in this inboard and optical axis O a plurality of vertical stretches 304 of extension vertically upward abreast of side ring end.This occasion has disposed drive coil 16 between a plurality of vertical stretches 304 of inboard yoke 30 and permanent magnet 18.And a plurality of vertical stretches 304 extend vertically upward by the outer circumferential side end 244 of downside elastic component 24 and the gap between interior all side ends 242.
In addition, above-mentioned appended adding for ease of understanding with reference to label, only an example is not subjected to the restriction of these labels certainly.
Effect of the present invention is as follows.
The present invention since with upside elastic component and downside elastomeric member configuration in the inside of outside yoke, thereby can reduce component number, and realize miniaturization.
Description of drawings
Fig. 1 is the stereoscopic figure of the lens driver of first embodiment of the present invention.
Fig. 2 is the three-dimensional cutaway view of lens driver shown in Figure 1.
Fig. 3 is the exploded perspective view of lens driver shown in Figure 1.
Fig. 4 is the cut-open view that only amplifies the left-half of expression lens driver employed outside yoke shown in Figure 1 and upside elastic component.
Fig. 5 is the cut-open view that only amplifies the left-half of expression lens driver employed outside yoke of second embodiment of the present invention and upside elastic component.
Among the figure:
The 10-lens driver, 12-driver block, 14-lens mount, the 140-cylindrical portion, 16-drive coil, 18-permanent magnet, 20,20A-outside yoke, 202,202A-urceolus portion, 204,204A-outer ring end, the 204a-circular open, 206-recess (stage portion), all side ends (inner ring) in the 22-upside elastic component, 222-, 224-outer circumferential side end (outer ring), the 26-back-up ring, the 28-liner, the inboard yoke of 30-, side ring end in the 302-, the 304-vertical stretch, the 32-bolster, 34-liner, O-optical axis.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are elaborated.
Referring to figs. 1 through Fig. 3 the lens driver 10 of first embodiment of the present invention is described.Fig. 1 is the stereoscopic figure of lens driver 10.Fig. 2 is the three-dimensional cutaway view of lens driver 10.Fig. 3 is the exploded perspective view of lens driver 10.At this, as shown in Figure 1 to Figure 3, use rectangular coordinate system (X, Y, Z), to state shown in Figure 3, in rectangular coordinate system (X, Y, Z), X-axis is fore-and-aft direction (depth direction) at Fig. 1, Y-axis is left and right directions (Width), and the Z axle is above-below direction (short transverse).And to example shown in Figure 3, above-below direction Z is the optical axis O direction of lens at Fig. 1.
But, under the behaviour in service of reality, optical axis O direction, promptly Z-direction is a fore-and-aft direction.In other words, the last direction of Z axle be the place ahead to, the following direction of Z axle be the rear to.
Illustrated lens driver 10 be equipped in band can self-focusing camera portable phone on.Lens driver 10 is used to make lens combination piece installing (barrel) (not shown) to move to optical axis O direction.
A pair of elastic component 22,24 with lens mount 14 in radial location state under can be supported on optical axis O direction with being shifted.In a pair of elastic component 22,24, an elastic component 22 is called the upside elastic component, and another elastic component 24 is called the downside elastic component, and in addition, illustrated elastic component is made of laminated spring.Therefore, upside elastic component 22 is also referred to as the epipleural spring, and downside elastic component 24 is also referred to as the lower side panel spring.
In addition, as mentioned above, under the behaviour in service of reality, the last direction of Z-direction (optical axis O direction) be the place ahead to, the following direction of Z-direction (optical axis O direction) be the rear to.Therefore, upside elastic component (epipleural spring) 22 is also referred to as the front side spring, and downside elastic component (lower side panel spring) 24 is also referred to as the rear side spring
Illustrated outside yoke 20 is made cubic tubular.Therefore, illustrated drive coil 16 is also as one man made cubic tubular with the shape of the outside yoke 20 of cubic tubular.Permanent magnet 18 is configured in each bight of the four directions tube of outside yoke 20, and is made of four rectangular-shaped permanent magnet pieces 182.
Outside yoke 20 has the urceolus portion 202 of cubic tubular and is arranged on the tetragonal outer ring end 204 of this urceolus portion 202 upper ends (front end).Above-mentioned permanent magnet is contained on the inwall of urceolus portion 202.Outer ring end 204 has the tool central circular opening 204a concentric with optical axis O.In addition, outside yoke 20 likes that four jiaos of its upper end (front end) have four recesses (stage portion) 206 that the inboard falls in.These four recesses (stage portion) 206 the outer circumferential side end 224 (aftermentioned) of upside elastic component 22 is clipped in and the upper end of permanent magnet 18 between, and be used to be maintained fixed the outer circumferential side end 224 of upside elastic component 22.That is, these four recesses (stage portion) 206 work as the holding member that is maintained fixed the outer circumferential side end 224 of upside elastic component 22.
As shown in Figure 2, leave the compartment of terrain at the inner peripheral surface of the urceolus portion 202 of outside yoke 20 and drive coil 16 and dispose permanent magnet 18.
Upside elastic component (epipleural spring, front side spring) 22 is configured in the optical axis O direction upside (front side) of lens mount 14, and downside elastic component (lower side panel spring, rear side spring) 24 is configured in the optical axis O direction lower end (rear side) of lens mount 14.Upside elastic component (epipleural spring, front side spring) 22 and downside elastic component (lower side panel spring, rear side spring) 24 are made roughly the same structure.
Upside elastic component (epipleural spring, front side spring) 22 has: be installed in the interior all side ends 222 on the lens mount 14, be installed in the outer circumferential side end 224 on the yoke 20 of the outside, and be used to connect between interior all side ends 222 and the outer circumferential side end 224 and four arms (not shown) that the edge circumferentially is provided with.Interior all side ends 222 are made circular.Outer circumferential side end 224 and 222 of interior all side ends are arranged, and make the cubic ring-type bigger than interior all side end 222.Each arm is along circumferentially extending out.
Equally, downside elastic component (lower side panel spring, rear side spring) 24 has: be installed in the interior all side ends 242 on the lens mount 14, be installed in the outer circumferential side end 244 on the yoke 20 of the outside, and be used to connect between interior all side ends 242 and the outer circumferential side end 244 and four arms (not shown) that the edge circumferentially is provided with.Interior all side ends 242 are made circular.Outer circumferential side end 244 and 242 of interior all side ends are arranged, and make the cubic ring-type bigger than interior all side end 242.Each arm is along circumferentially extending out.
In addition, interior all side ends 222,242 are also referred to as inner ring, and outer circumferential side end 224,244 is also referred to as the outer ring.
Interior all side ends 222 of upside elastic component (epipleural spring, front side spring) 22 are by lens mount 14 and back-up ring 26 is clamped and fixing.In other words, back-up ring 26 is chimeric with lens mount 14, thereby interior all side ends 222 of upside elastic component (epipleural spring, front side spring) 22 are clamped between back-up ring 26 and the lens mount 14.On the other hand, the outer circumferential side end 224 of upside elastic component (epipleural spring, front side spring) 22 is clamped between the upper end of four recess (stage portion) 206 of outside yoke 20 and permanent magnet 18 and is fixing.
Back-up ring 26 has function as described below.That is, back-up ring 26 has the do not misplace function of ground high precision driving fit of interior all side ends 222 of making upside elastic component (epipleural spring, front side spring) 22 and lens mount 14.Thus, can improve the fluctuation of voice coil motor (VCM-voice coil motor) characteristic.In addition, back-up ring 26 also has the function of the cohesive strength that improves upside elastic component (epipleural spring, front side spring) 22.Thus, lens driver 10 resistances to impact are improved.Have, back-up ring 26 also has at lens driver 10 and falls and prevent the function of upside elastic component (epipleural spring, front side spring) 22 distortion when being subjected to impacting again.The resistance to impact of lens driver 10 is improved.
On the other hand, the outer circumferential side end 244 of downside elastic component (lower side panel spring, rear side spring) 24 is fixed on the inboard yoke 30 by liner 28.In other words, the outer circumferential side end 244 of liner 28 and downside elastic component (lower side panel spring, rear side spring) 24 is clamped between the lower end of inboard yoke 30 and permanent magnet 18 and is fixing.The cohesive force of interior all side end 242 usefulness resins of downside elastic component (lower side panel spring, rear side spring) 24 is fixed on lower end (rear end) side of lens mount 14.
By to drive coil 16 energising, because the interaction in the magnetic field that the electric current of the magnetic field of permanent magnet pieces 18 and the drive coil 16 of flowing through produces and lens mount 14 (lens combination piece installing) can be carried out the position adjustment along optical axis O direction.
In addition, inboard yoke 30 have with the lower end be installed in outside yoke 20 urceolus portion 202 inwall cubic ring-type interior side ring end 302 and in this four jiaos of side ring end 302 inboard four vertical stretches 304 that extend vertically upward abreast with optical axis O.
Carry on actuator base 12 the interior side ring end 302 of inboard yoke 30, and liner 28 carries on the interior side ring end 302 of this inboard yoke 30, and carry on liner 28 the outer circumferential side end 244 of downside elastic component (lower side panel spring, rear side spring) 24.And, outer circumferential side end 244 and the gap interior all side end 242 between and vertically upward extend of four vertical stretches of inboard yoke 30 304 by downside elastic component (lower side panel spring, rear side spring) 24.
In addition, as shown in Figure 2, the inwall in the outer ring end 204 of outside yoke 20 is fixed with circular bolster 32.Bolster 32 is concentric with the circular open 204a of outer ring end 204.Bolster 32 has the big external diameter of diameter than this circular open 204a, and has the internal diameter littler than the diameter of circular open 204a.
Like this, upside elastic component 22 and downside elastic component 24 just are contained in the inside of outside yoke 20.Therefore, the present invention just do not need as above-mentioned patent documentation 1 disclosed in existing lens driver the necessary fixed part that is used for elastic component (spring member) is fixed on the outside of yoke.
If describe in detail, then in existing lens driver, spring member (elastic component) is configured in the outside of yoke, therefore, need to be used for fixing the fixed part of spring member (elastic component) in the outside of yoke.In contrast, the lens driver of present embodiment 10 is owing to be contained in the inside of outside yoke 20 with upside elastic component 22 and downside elastic component 24, thereby do not need to cover the fixed part (cover) of outside yoke.And, owing to do not need fixed part (cover), thereby, can reduce component number, can realize the miniaturization of lens driver 10.
Magnetic circuit is made of permanent magnet 18, outside yoke 20 and inboard yoke 30.And in outside yoke 20, outer ring end 204 forms the face of the object lens side of optical axis O, and urceolus portion 202 forms the side.That is, the face of the object lens side of optical axis O and side are formed by the part of magnetic circuit and outside yoke 20 with ferrimagnet of shielding properties.The circular open 204a that is formed on the outer ring end 204 is the hole of the minimum diameter that necessary field angle draws from camera module.Like this, the lens driver 10 of present embodiment is owing to its outward appearance is covered by outside yoke 20, thereby its anti-dust performance is good.Have again, in the present embodiment, have different with outside yoke 20, as the inboard yoke 30 of ferromagnetic part.In the space of four vertical stretches 304 of inboard yoke 30 and permanent magnet 18, dispose drive coil 16.
In addition, as shown in Figure 4, in order to be maintained fixed the outer circumferential side end 224 of upside elastic component 22, outside yoke 20 has recess (stage portion) 206.Therefore, outside yoke 20 is complex-shaped.
Therefore, also can use the outside yoke 20A that does not have recess (stage portion) 206 as shown in Figure 5 to replace complex-shaped outside yoke 20.Outside yoke 20A shown in Figure 5 has: the 202A of urceolus portion of cubic tubular and the tetragonal outer ring end 204A that is arranged on the 202A of this urceolus portion upper end (front end).Outer ring end 204A has the tool central circular opening 204a concentric with optical axis O.
Outside yoke 20A does not have recess (stage portion) 206 as shown in Figure 4.Replace the liner 34 that ring-type as shown in Figure 5 is set in the inwall bight of outside yoke 20A.Thereby, the outer circumferential side end 224 of upside elastic component 22 is remained fixed on this ring-type liner 34.In addition, liner 34 both had been not limited to ring-type, also can be arranged on many places.
More than, though describe the present invention according to preferred implementation, obviously, so long as in the scope that does not break away from spirit of the present invention, the practitioner of the industry can carry out all changes.For example, also can cover actuator base 12 with outside yoke.
Claims (10)
1. lens driver, it has: have the cylindrical portion that is used to keep the lens combination piece installing lens mount, be positioned at above-mentioned cylindrical portion be fixed on peripherally drive coil on this lens mount, the permanent magnet relative with this drive coil, inwall have the outside yoke of above-mentioned permanent magnet and be arranged on the said lens frame cylindrical portion the optical axis direction both sides and with the said lens frame in radial location state can be supported on the upside elastic component and the downside elastic component of optical axis direction with being shifted; Each of above-mentioned upside elastic component and above-mentioned downside elastic component has interior all side ends that are installed on the said lens frame and the outer circumferential side end that is installed on the yoke of the outside, by above-mentioned drive coil is switched on, because the magnetic field of above-mentioned permanent magnet can be adjusted in the position of optical axis direction the said lens frame with the interaction in the magnetic field of the electric current generation of the above-mentioned drive coil of flowing through; It is characterized in that,
Above-mentioned upside elastic component and above-mentioned downside elastomeric member configuration are in the inside of above-mentioned outside yoke.
2. lens driver as claimed in claim 1, it is characterized in that, above-mentioned outside yoke has the outer ring end that above-mentioned permanent magnet is contained in the urceolus portion on the inwall and is located at this urceolus portion upper end, and above-mentioned outer ring end has and above-mentioned optical axis concentric openings.
3. lens driver as claimed in claim 2 is characterized in that, above-mentioned opening is the hole of the minimum diameter that necessary field angle draws from camera module.
4. as claim 2 or 3 described lens drivers, it is characterized in that above-mentioned outside yoke has the holding member of the above-mentioned outer circumferential side end that is used to keep above-mentioned upside elastic component.
5. lens driver as claimed in claim 4 is characterized in that, above-mentioned holding member is made of the recess that caves in to the inside from the bight, upper end of above-mentioned outside yoke.
6. lens driver as claimed in claim 4 is characterized in that, above-mentioned holding member is made of the liner in the inwall bight that is arranged on above-mentioned outside yoke.
7. as any one described lens driver among the claim 2-6, it is characterized in that also having the inboard yoke that is used for by the above-mentioned outer circumferential side end of the fixing above-mentioned downside elastic component of liner.
8. lens driver as claimed in claim 7 is characterized in that, above-mentioned inboard yoke comprises:
Be installed in the interior side ring end on the inwall of above-mentioned urceolus portion of above-mentioned outside yoke with the lower end, and
A plurality of vertical stretches that the inboard of side ring end and above-mentioned optical axis extend abreast vertically upward in above-mentioned.
9. lens driver as claimed in claim 8 is characterized in that, disposes above-mentioned drive coil between above-mentioned a plurality of vertical stretches of above-mentioned inboard yoke and above-mentioned permanent magnet.
10. lens driver as claimed in claim 9 is characterized in that, above-mentioned a plurality of vertical stretches extend vertically upward by the above-mentioned outer circumferential side end of above-mentioned downside elastic component and the gap between above-mentioned interior all side ends.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008095130 | 2008-04-01 | ||
| JP2008095130A JP5105080B2 (en) | 2008-04-01 | 2008-04-01 | Lens drive device |
| JP2008-095130 | 2008-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101551504A true CN101551504A (en) | 2009-10-07 |
| CN101551504B CN101551504B (en) | 2011-06-15 |
Family
ID=41155835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101306988A Expired - Fee Related CN101551504B (en) | 2008-04-01 | 2009-03-31 | Lens driver |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5105080B2 (en) |
| CN (1) | CN101551504B (en) |
| TW (1) | TW201003276A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723799A (en) * | 2012-06-18 | 2012-10-10 | 苏州贝腾特电子科技有限公司 | Micro drive motor upper cover and micro drive motor |
| CN103001375A (en) * | 2012-09-29 | 2013-03-27 | 苏州贝腾特电子科技有限公司 | Shell for miniature driving motor |
| CN103001377A (en) * | 2012-09-29 | 2013-03-27 | 苏州贝腾特电子科技有限公司 | Shell for micro drive motor |
| CN103001376A (en) * | 2012-09-29 | 2013-03-27 | 苏州贝腾特电子科技有限公司 | Shell for micro drive motor |
| CN103226232A (en) * | 2012-01-31 | 2013-07-31 | 三美电机株式会社 | Lens holder driving device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101081630B1 (en) * | 2009-11-20 | 2011-11-09 | 엘지이노텍 주식회사 | Voice coil motor |
| JP5489747B2 (en) * | 2010-01-26 | 2014-05-14 | 日本電産サンキョー株式会社 | Lens drive device |
| KR101713329B1 (en) * | 2010-07-21 | 2017-03-07 | 엘지이노텍 주식회사 | Voice coil motor |
| JP2012103421A (en) * | 2010-11-09 | 2012-05-31 | Tdk Taiwan Corp | Frame cover structure of micro lens focus module |
| JP5985793B2 (en) * | 2010-11-26 | 2016-09-06 | 台灣東電化股▲ふん▼有限公司 | Auto focus module magnet base |
| JP6030287B2 (en) * | 2011-06-08 | 2016-11-24 | 日本電産サンキョー株式会社 | Lens driving device and method of manufacturing lens driving device |
| JP5884976B2 (en) * | 2012-01-31 | 2016-03-15 | ミツミ電機株式会社 | Lens holder driving device |
| JP5963641B2 (en) * | 2012-10-26 | 2016-08-03 | アルプス電気株式会社 | Lens drive device |
| JP5488852B1 (en) | 2012-10-31 | 2014-05-14 | ミツミ電機株式会社 | Lens holder driving device and portable device |
| KR102344457B1 (en) * | 2014-08-18 | 2021-12-29 | 엘지이노텍 주식회사 | Lens moving unit |
| KR102559545B1 (en) * | 2015-08-06 | 2023-07-25 | 엘지이노텍 주식회사 | A lens moving unit |
| CN106646810B (en) * | 2016-11-11 | 2024-01-19 | 上海比路电子股份有限公司 | Lens driving device |
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|---|---|---|---|---|
| JP4077497B2 (en) * | 2004-04-13 | 2008-04-16 | 松下電器産業株式会社 | The camera module |
| KR20080046627A (en) * | 2005-09-02 | 2008-05-27 | 니혼 덴산 산쿄 가부시키가이샤 | Lens drive device |
| JP2007072271A (en) * | 2005-09-08 | 2007-03-22 | Arima Device Kk | Lens driving device |
| JP2007108540A (en) * | 2005-10-14 | 2007-04-26 | Konica Minolta Opto Inc | Imaging apparatus |
| JP4495705B2 (en) * | 2006-08-31 | 2010-07-07 | 日本電産サンキョー株式会社 | Lens drive device |
| CN101038361A (en) * | 2007-04-27 | 2007-09-19 | 金仁召 | Lens driving device |
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2008
- 2008-04-01 JP JP2008095130A patent/JP5105080B2/en not_active Expired - Fee Related
-
2009
- 2009-03-24 TW TW098109602A patent/TW201003276A/en unknown
- 2009-03-31 CN CN2009101306988A patent/CN101551504B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226232A (en) * | 2012-01-31 | 2013-07-31 | 三美电机株式会社 | Lens holder driving device |
| CN103226232B (en) * | 2012-01-31 | 2015-07-15 | 三美电机株式会社 | Lens holder driving device |
| CN102723799A (en) * | 2012-06-18 | 2012-10-10 | 苏州贝腾特电子科技有限公司 | Micro drive motor upper cover and micro drive motor |
| CN102723799B (en) * | 2012-06-18 | 2015-10-21 | 深圳市光控数码光电有限公司 | A kind of micro-driving motor upper cover and micro-driving motor |
| CN103001375A (en) * | 2012-09-29 | 2013-03-27 | 苏州贝腾特电子科技有限公司 | Shell for miniature driving motor |
| CN103001377A (en) * | 2012-09-29 | 2013-03-27 | 苏州贝腾特电子科技有限公司 | Shell for micro drive motor |
| CN103001376A (en) * | 2012-09-29 | 2013-03-27 | 苏州贝腾特电子科技有限公司 | Shell for micro drive motor |
| CN103001377B (en) * | 2012-09-29 | 2015-06-17 | 深圳市光控数码光电有限公司 | Shell for micro drive motor |
| CN103001376B (en) * | 2012-09-29 | 2016-03-02 | 深圳市光控数码光电有限公司 | A kind of housing for Miniature drive motor |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201003276A (en) | 2010-01-16 |
| JP5105080B2 (en) | 2012-12-19 |
| CN101551504B (en) | 2011-06-15 |
| JP2009251031A (en) | 2009-10-29 |
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