CN103018869B - Lens driving apparatus - Google Patents
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- CN103018869B CN103018869B CN201210348069.4A CN201210348069A CN103018869B CN 103018869 B CN103018869 B CN 103018869B CN 201210348069 A CN201210348069 A CN 201210348069A CN 103018869 B CN103018869 B CN 103018869B
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- 238000007689 inspection Methods 0.000 claims abstract description 56
- 230000003287 optical effect Effects 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 16
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- 230000015572 biosynthetic process Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 description 6
- 239000007767 bonding agent Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
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- 239000004065 semiconductor Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
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- 238000002347 injection Methods 0.000 description 1
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- 238000005476 soldering Methods 0.000 description 1
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Abstract
A kind of lens driving apparatus, can accomplish both to improve the dimensional accuracy to the restriction face that movable body limits to the amount of movement of object side movement with comparalive ease, improve again the flatness of the loading surface being used for stowage survey fixture.Lens driving apparatus (1) possesses: keep camera lens and can to the movable body (2) of the optical axis direction movement of camera lens, keep movable body (2) and enable to the fixed body (3) of optical axis direction movement, driving mechanism that movable body (2) is driven to optical axis direction.At movable body (2) by the end face of object side, generally perpendicularly define to abut with fixed body (3) with optical axis direction and limit movable body (2) relative to fixed body (3) to the mobile quantitative limitation face (8f) of object side movement and the loading surface (8e) that loads for the inspection fixture be arranged on movable body (2).Restriction face (8f) and loading surface (8e) stagger in the direction of the optical axis.
Description
Technical field
The present invention relates to that mobile phone etc. uses compared with the lens driving apparatus that miniature camera is equipped.
Background technology
The lens driving apparatus (such as with reference to documents 1) that the shooting camera lens that there will be a known a kind of video camera to being equipped on mobile phone etc. drives.The lens driving apparatus that patent documentation 1 is recorded possesses: keep the lens bracket of camera lens in inner circumferential side, keep the sleeve of lens bracket in inner circumferential side, bearing sleeve and make it can to the fixed body of optical axis direction movement.The outer peripheral face of lens bracket forms pin thread, the inner peripheral surface of sleeve forms female screw, this female screw and the pin thread formed on the outer peripheral face of lens bracket are screwed.Lens bracket is temporarily fixed on sleeve by inner circumferential side lens bracket being screwed in sleeve by this lens driving apparatus.And pass through adhesive-applying between the outer peripheral face and the inner peripheral surface of sleeve of lens bracket and make it to solidify, lens bracket is reliably fixed on sleeve.
Patent documentation 1: Japanese invention Patent Application Kokai 2007-292821 publication
Before lens driving apparatus is as product export, characteristic check be carried out, namely will check that the axle (axle of optical axis direction) of sleeve is relative to the inclination (tilt) of the axle (axle of optical axis direction) of fixed body and the sleeve amount of movement etc. relative to fixed body.In addition, lens driving apparatus generally has two kinds as the form of product export: the form that lens driving apparatus does not dispatch from the factory by the manufacturer of the form that lens driving apparatus dispatches from the factory after being assembled by lens bracket by the manufacturer of lens driving apparatus and lens driving apparatus by lens bracket assembling.If lens driving apparatus is dispatched from the factory under the state of unassembled lens bracket, be then by the finished parts manufacturer etc. as consignee, lens bracket is installed in lens driving apparatus.
And if dispatched from the factory by lens driving apparatus under the state of unassembled lens bracket, manufacturer replaces lens bracket with inspection fixture and is installed on sleeve, to carry out the characteristic check to inclination etc., and after inspection, inspection fixture to be taken off from sleeve.And if the inspection fixture used in characteristic check forms pin thread and be installed on sleeve by the inner circumferential side screwing in sleeve on its outer peripheral face, then damage may be brought to the female screw be formed on sleeve inner peripheral surface when inspection cramp assembling and disassembling.In addition, pin thread or female screw may be made to be ground and to produce dust when inspection cramp assembling and disassembling.And inner circumferential side inspection fixture being screwed in sleeve needs to expend time in, and causes the supervision time elongated.
In order to address these problems, the applicant considers only placing inspection fixture on the end face leaning on object side of sleeve, adopts the inspection fixture be arranged on sleeve like this.In addition, on the end face leaning on object side of sleeve, sometimes formed abuts with fixed body, to limit the mobile quantitative limitation face of sleeve to object side movement, and the applicant study lens driving apparatus also sleeve lean on object side end face on define this restriction face.For this reason, the applicant considers to be installed on sleeve by inspection fixture by placing inspection fixture on this restriction face.
But, determines the critical function of sleeve to the amount of movement (mobile boundary) of object side movement playing by the restriction face that formed on the end face of object side of sleeve, the size of reference field to restriction face therefore for the regulation away from object side formation at sleeve have very high accuracy requirement.On the other hand, for the not exigent flatness in this restriction face.And when measuring degree of tilt with inspection fixture, once placing tilting by the inspection fixture on the end face of object side at sleeve, just can not carry out correct measurement, therefore having very high planarity requirements to the face of placing inspection fixture.On the other hand, high precision is not required for the size of reference field to the face of placing inspection fixture from regulation.
Therefore, when by inspection with in fixture placing to restriction face time, the height dimension precision in restriction face and high flatness must be guaranteed, but, sleeve be made not only to guarantee the height dimension precision in restriction face but also guarantee high flatness and be not easy.Such as, by utilize mould carry out injection moulding form sleeve time, the mould of height dimension precision and the high flatness both sides that can guarantee restriction face of taking into account must be formed, but there will be following situation: pursue the dimensional accuracy in restriction face and revise mould and will reduce flatness, and the flatness in the restriction face of pursuit will reduce dimensional accuracy to revise mould.That is, if the mould of the height dimension precision can guaranteeing restriction face and high flatness both sides will be formed, then the correction meeting very time-consuming of mould.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of lens driving apparatus, can accomplish both to improve the dimensional accuracy to the restriction face that movable body limits to the amount of movement of object side movement with comparalive ease, improve again the flatness of the loading surface being used for stowage survey fixture.
To achieve these goals, lens driving apparatus of the present invention possesses: movable body, and this movable body keeps camera lens and can move to the optical axis direction of camera lens; Fixed body, this fixed body keeps movable body and enables to move to optical axis direction; And driving mechanism, movable body drives to optical axis direction by this driving mechanism, restriction face and multiple loading surface is generally perpendicularly formed with optical axis direction leaning on the end face of object side of movable body, described restriction face abuts with fixed body and limits movable body relative to the amount of movement of fixed body to object side movement, multiple loading surface is for loading the inspection fixture be arranged on movable body, and restriction face and multiple loading surface stagger in the direction of the optical axis.
On lens driving apparatus of the present invention, abut with fixed body and limit movable body and stagger in the direction of the optical axis with the multiple loading surfaces to load for loading the inspection fixture be arranged on movable body relative to the mobile quantitative limitation face of fixed body to object side movement.Therefore, its flatness can not be considered in restriction face and improve its dimensional accuracy.Loading surface then can not consider its dimensional accuracy and improve its flatness.Therefore, the present invention can accomplish both to improve the dimensional accuracy to the restriction face that movable body limits to the amount of movement of object side movement with comparalive ease, improves again the flatness of the loading surface being used for stowage survey fixture.
In addition, to achieve these goals, lens driving apparatus of the present invention possesses: movable body, and this movable body keeps camera lens and can move to the optical axis direction of camera lens; Fixed body, this fixed body keeps movable body and enables to move to optical axis direction; And driving mechanism, movable body drives to optical axis direction by this driving mechanism, restriction face and multiple loading surface is generally perpendicularly formed with optical axis direction leaning on the end face of object side of movable body, restriction face abuts with fixed body and limits movable body relative to the amount of movement of fixed body to object side movement, the flatness of multiple loading surface is higher than the flatness in restriction face, and restriction face and multiple loading surface stagger in the direction of the optical axis.
On lens driving apparatus of the present invention, abut with fixed body and limit movable body and stagger in the direction of the optical axis relative to fixed body more much higher than the flatness in restriction face loading surface in mobile quantitative limitation face and flatness to object side movement.Therefore, its flatness can not be considered in restriction face and improve its dimensional accuracy.Loading surface then can not consider its dimensional accuracy and improve its flatness.Therefore, the present invention is when being loaded into inspection fixture on loading surface, can accomplish both to improve the dimensional accuracy to the restriction face that movable body limits to the amount of movement of object side movement with comparalive ease, improve again the flatness of the loading surface being used for stowage survey fixture.
In the present invention, preferably fixed body possesses end-surface member, this end-surface member forms lens driving apparatus and leans on the end face of object side and can abut with restriction face, end-surface member is formed the peristome centered by the optical axis of camera lens, the edge of peristome is formed multiple notch parts that multiple loading surface is exposed.Adopt this structure, can under the mounted state of end-surface member on the loading surface of lens driving apparatus stowage survey fixture.Therefore, it is possible to carry out the characteristic checks such as inclination with the lens driving apparatus close to completion status.
In the present invention, the both sides preferably limiting the loading surface circumferentially of face and camera lens are adjacent to configure.Adopt this structure, even if define the notch part making loading surface expose on end-surface member, restriction face also can be made to abut with end-surface member evenly in the both sides of notch part.
In the present invention, being formed to the outstanding multiple protuberances of object side by object side preferably at movable body, and be formed with restriction face and loading surface in leaning on the end face of object side of protuberance.In this case, such as, by adjacent with loading surface for restriction face configuration.Adopt this structure, owing to being form restriction face and loading surface on common protuberance, situation about therefore being formed respectively with the protuberance for the formation of the face of restriction and the protuberance for the formation of loading surface is compared, and can simplify the structure of movable body.In addition, adopt this structure, owing to being form restriction face and loading surface on common protuberance, situation about therefore being formed respectively with the protuberance for the formation of the face of restriction and the protuberance for the formation of loading surface is compared, can the width of enlarged boss.Therefore, it is possible to improve the intensity of the protuberance outstanding to object side.
In the present invention, preferably the total area of multiple loading surface is less than the total area in restriction face.Adopt this structure, due to the area of loading surface can be reduced, therefore easily improve the flatness of multiple loading surface.
In the present invention, lens driving apparatus such as possesses laminated spring, this laminated spring has: the arm being fixed on the movable body fixed part on movable body, being fixed on the fixed body fixed part on fixed body and being connected with fixed body fixed part by movable body fixed part, lens driving apparatus also possesses the pad be configured between movable body fixed part and movable body, than restriction face closer to outer circumferential side and than the position of restriction face further from object side, movable body fixed part and pad are fixed on movable body.In this case, even if movable body fixed part position is in the direction of the optical axis at random, movable body fixed part also can not be more outstanding to object side than restriction face.Therefore, it is possible to suitably limit the amount of movement of movable body to object side movement by restriction face.
The effect of invention
As mentioned above, lens driving apparatus of the present invention can accomplish both to improve the dimensional accuracy to the restriction face that movable body limits to the amount of movement of object side movement with comparalive ease, improves again the flatness of the loading surface being used for stowage survey fixture.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the lens driving apparatus of embodiment of the present invention.
Fig. 2 is the cut-open view of the E-E section of Fig. 1.
Fig. 3 is the exploded perspective view of the lens driving apparatus shown in Fig. 1.
Fig. 4 is the stereographic map of the sleeve shown in Fig. 3.
Fig. 5 is the cut-open view of the sleeve shown in Fig. 4.
Fig. 6 is the vertical view of the lens driving apparatus shown in Fig. 1.
Fig. 7 is the stereographic map of the characteristic check of the lens driving apparatus shown in Fig. 1 inspection fixture used.
Fig. 8 is the cut-open view of lens driving apparatus on the lens driving apparatus shown in Fig. 1 before jig for installation inspection and inspection fixture.
Fig. 9 is the cut-open view for illustration of having installed the state after inspection fixture on the lens driving apparatus shown in Fig. 1.
Figure 10 is the vertical view of the lens driving apparatus on the lens driving apparatus shown in Fig. 1 before jig for installation inspection.
Figure 11 is the vertical view of lens driving apparatus installed inspection fixture on the lens driving apparatus shown in Fig. 1 after and inspection fixture.
(symbol description)
1 lens driving apparatus
2 movable bodys
3 fixed bodies
4 driving mechanisms
5 laminated springs
5a movable body fixed part
5b fixed body fixed part
5c arm
8c protuberance
8e loading surface
8f limits face
Bottom 10a (end-surface member)
10c peristome
10d notch part
19 pads
25 inspection fixtures
L optical axis
Z optical axis direction
Z1 is by object side
Z2 is away from object side
Embodiment
Embodiments of the present invention are described in detail referring to accompanying drawing.
(schematic configuration of lens driving apparatus)
Fig. 1 is the stereographic map of the lens driving apparatus 1 of embodiment of the present invention.Fig. 2 is the cut-open view of the E-E section of Fig. 1.Fig. 3 is the exploded perspective view of the lens driving apparatus 1 shown in Fig. 1.In the following description, as shown in Fig. 1 etc., 3 mutually orthogonal directions are respectively as X-direction, Y-direction and Z-direction.And using X-direction as left and right directions, Y-direction is as fore-and-aft direction, and Z-direction is as above-below direction.In addition, using side, Z1 direction as " on " side, side, Z2 direction is as D score side.
The lens driving apparatus 1 of present embodiment is loaded in mobile phone, drive recorder device (driverecorder) or monitors that on the more small-sized video camera that camera system etc. uses, as shown in Figure 1, entirety is formed as roughly quadrangular shape.Specifically, when seeing from the optical axis L direction (optical axis direction) of shooting camera lens, the shape of lens driving apparatus 1 is in roughly square.In addition, four sides of lens driving apparatus 1 and left and right directions or fore-and-aft direction almost parallel.
In the present embodiment, Z-direction (above-below direction) is roughly consistent with optical axis direction.In addition, the video camera being loaded with the lens driving apparatus 1 of present embodiment is configured with imaging apparatus not shown in the figures in downside, and makes a video recording to the subject being configured in upside.That is, in the present embodiment, upside (side, Z1 direction) is that downside (side, Z2 direction) is then away from object side (by imaging apparatus side, image side) by object side (object side).
As depicted in figs. 1 and 2, lens driving apparatus 1 possesses: keep the camera lens of shooting and can to the movable body 2 of optical axis direction movement, keep movable body 2 and enable to the fixed body 3 of optical axis direction movement, driving mechanism 4 that movable body 2 is driven to optical axis direction.In addition, as shown in Figures 2 and 3, lens driving apparatus 1 possesses the laminated spring 5,6 be connected with fixed body 3 by movable body 2.That is, movable body 2 remains on fixed body 3 movably through laminated spring 5,6.In the present embodiment, a laminated spring 5 is configured in the upper end side of movable body 2, and two laminated springs 6 are configured in the lower end side of movable body 2.
Movable body 2 possesses the sleeve 8 kept lens bracket 7, and this lens bracket 7 secures multiple camera lens.Fixed body 3 possesses: the pad 12 forming the cover parts 10 of the upper end side part of the side of lens driving apparatus 1, the formation lower end side part of side of lens driving apparatus 1 and the base component 11 of the lower surface of lens driving apparatus 1 and fix for a part for laminated spring 5.Base component 11 is fixed wtih a pair power supply terminal 13, for powering to the driving coil 15 described later forming driving mechanism 4.
Lens bracket 7 is formed as roughly cylindric.Be multiple camera lenses of circular when the inner circumferential side of this lens bracket 7 is fixed wtih viewed from above-below direction.The outer peripheral face of lens bracket 7 is formed with pin thread.
Sleeve 8 is formed with resin material.The sleeve 8 of present embodiment is formed by injection moulding with mould.And sleeve 8 is formed as roughly tubular.Specifically, sleeve 8 is formed as roughly tubular, and inner peripheral surface shape time viewed from above-below direction is circular, simultaneously, the shape of the upper end side of outer peripheral face time viewed from above-below direction is circular, and the shape of the lower end side of outer peripheral face time viewed from above-below direction is roughly quadrilateral.In the lower end of sleeve 8, be generally perpendicularly formed with bearing surface 8a(with reference to Fig. 2 with optical axis direction), this bearing surface 8a abuts with the reference field 11b described later formed on base component 11.Specifically, on the approximate centre position of sleeve 8 lower end on fore-and-aft direction and left and right directions, four bearing surface 8a are defined with the spacing of roughly 90 °.Structure more specifically about sleeve 8 will be explained below.
Cover parts 10 magnetic material is formed.In addition, cover parts 10 are formed as roughly four limit tubulars with the end, have bottom 10a and cylinder portion 10b.Bottom 10a is configured in upside, forms the upper surface (namely by the end face of object side) of lens driving apparatus 1.The peristome 10c running through bottom 10a is defined at the central part of bottom 10a.Peristome 10c is formed as the circular centered by optical axis L.At the edge of peristome 10c, define four notch part 10d that four angles towards lens driving apparatus 1 cut out.The bottom 10a of present embodiment is the end-surface member of the end face by object side forming lens driving apparatus 1.
Base component 11 resin material with insulativity is formed.In addition, shape when base component 11 is formed as viewed from optical axis direction is roughly foursquare bulk.This base component 11 is arranged on the lower end side of cover parts 10.Through hole 11a is defined at the center of base component 11.In addition, on the upper surface of base component 11, generally perpendicularly define reference field 11b with optical axis direction, for determining movable body 2 reference position in the direction of the optical axis.Specifically, on the approximate centre position of pedestal 11 upper surface on fore-and-aft direction and left and right directions, four reference field 11b are defined with the spacing of roughly 90 °.
Pad 12 is such as formed with resin material, and is formed as roughly foursquare flat bulk.In addition, pad 12 is formed as frame-shaped, and has been formed centrally through hole wherein.This pad 12 is fixed on the lower surface of bottom 10a of cover parts 10.
As shown in Figure 3, laminated spring 5 possesses: the circular movable body fixed part 5a being fixed on sleeve 8 upper end side, the four arms portion 5c being fixed on four fixed body fixed part 5b on pad 12 and being connected with fixed body fixed part 5b by movable body fixed part 5a.This laminated spring 5 is fixed on sleeve 8 and pad 12 in the mode that its thickness direction is roughly consistent with above-below direction.In the present embodiment, laminated spring 5 is fixed on sleeve 8 and pedestal 12 with deflected, thus when not supplying electric current to the driving coil 15 described later forming driving mechanism 4, the bearing surface 8a of sleeve 8 abuts with the reference field 11b of base component 11, and movable body 2 is positioned on the reference position of regulation.Specifically, laminated spring 5 is more positioned at the mode of downside with fixed body fixed part 5b than movable body fixed part 5a and is fixed on sleeve 8 and pad 12 with deflected.
Laminated spring 6 possesses: the arms portion being fixed on the movable body fixed part of sleeve 8 lower end side, being fixed on two fixed body fixed parts on base component 11 and being connected with fixed body fixed part by movable body fixed part.Laminated spring 6 is fixed on sleeve 8 and base component 11 in the mode that its thickness direction is roughly consistent with above-below direction.In addition, the mode that when laminated spring 6 abuts with the reference field 11b of base component 11 with the bearing surface 8a of sleeve 8, movable body 2 can not produce the force of laminated spring 6 is fixed on sleeve 8 and base component 11.
Power supply terminal 13 is by being formed flat metal material bending.This power supply terminal 13 is fixed on base component 11.In addition, power supply terminal 13 is fixed wtih a part for laminated spring 6 by modes such as solderings.
Driving mechanism 4 possesses: be wound on sleeve 8 outer circumferential side two driving coils 15 and respectively along in four sides of lens driving apparatus 1 each side configuration driving magnet 17.Two driving coils 15 are wound on the outer peripheral face of sleeve 8 with the state separating predetermined distance in the vertical direction.Driving magnet 17 is formed as substantially rectangular tabular.In addition, driving magnet 17 is fixed on the medial surface all around of cylinder portion 10b of cover parts 10 in the mode in opposite directions of the outer peripheral face with driving coil 15.The cover parts 10 of present embodiment then play the function for the formation of the yoke of magnetic loop.
(structure of sleeve)
Fig. 4 is the stereographic map of the sleeve 8 shown in Fig. 3.Fig. 5 is the cut-open view of the sleeve 8 shown in Fig. 4.Fig. 6 is the vertical view of the lens driving apparatus 1 shown in Fig. 1.
As mentioned above, sleeve 8 is formed as roughly tubular, and inner peripheral surface shape time viewed from above-below direction is circular, simultaneously, the shape of the upper end side of outer peripheral face time viewed from above-below direction is circular, and the shape of the lower end side of outer peripheral face time viewed from above-below direction is roughly quadrilateral.The inner peripheral surface of sleeve 8 is formed the female screw 8b carrying out with the pin thread formed on the outer peripheral face of lens bracket 7 being screwed.In the present embodiment, be that lens bracket 7 is temporarily fixed on sleeve 8 by inner circumferential side by lens bracket 7 being screwed in sleeve 8.Then, make it to solidify by adhesive-applying between the outer peripheral face and the inner peripheral surface of sleeve 8 of lens bracket 7, lens bracket 7 is reliably fixed on sleeve 8.
Upwardly projecting multiple protuberance 8c are defined in the upper end side of sleeve 8.Present embodiment defines four protuberance 8c with the angularly spacing of roughly 90 °.In addition, four protuberance 8c are formed at on four of lens driving apparatus 1 positions that corner is corresponding.Protuberance 8c by viewed from above-below direction time the mode of roughly arc-shaped that becomes centered by optical axis L of shape formed.The inner peripheral surface of protuberance 8c constitutes a part for the upper end side of the inner peripheral surface of sleeve 8.
More upwardly projecting jut 8d is defined in the upper end side of protuberance 8c.Jut 8d is formed centrally in the protuberance 8c being circumferentially fixed on the camera lens on lens bracket 7.Further, jut 8d by viewed from above-below direction time shape become roughly arc-shaped centered by optical axis L or roughly OBL mode is formed.In the radial direction of camera lens, the width of protuberance 8c and the width of jut 8d roughly equal.In addition, jut 8d becomes the dip plane tilted along with extending outside the circumferencial direction of camera lens downwards in the both ends of the surface being circumferentially fixed on the camera lens on lens bracket 7.
The upper surface (i.e. the upper surface of the upper surface of jut 8d and the protuberance 8c except the upper surface of jut 8d) of protuberance 8c is formed as roughly orthogonal with above-below direction.The upper surface of jut 8d becomes the loading surface 8e loading inspection fixture 25 described later, and in the present embodiment, four loading surface 8e are formed at the upper surface (specifically the upper surface of protuberance 8c) of sleeve 8.On the other hand, the upper surface of the protuberance 8c except the upper surface of jut 8d becomes restriction face 8f, this restriction face 8f abuts with the lower surface of the bottom 10a of cover parts 10 and limits the amount of movement of movable body 2 relative to fixed body 3 upwards side movement, in the present embodiment, eight limit the upper surface (specifically the upper surface of protuberance 8c) that face 8f is formed at sleeve 8.In addition, loading surface 8e and restriction face 8f is adjacent to configuration each other.Specifically, limit face 8f to be adjacent to configure with the both sides of the loading surface 8e being circumferentially fixed on the camera lens on lens bracket 7.
In the present embodiment, owing to accurately setting the amount of movement of movable body 2 relative to fixed body 3 upwards side movement, therefore improve from the dimensional accuracy bearing surface 8a to restriction face 8f.Specifically, higher than the dimensional accuracy from bearing surface 8a to loading surface 8e to the dimensional accuracy limited the 8f of face from bearing surface 8a.On the other hand, if the inspection fixture 25 described later be loaded on four loading surface 8e tilts, just correctly can not carrying out the mensuration for tilting described later, therefore improve the flatness of four loading surface 8e.Specifically, the flatness of four loading surface 8e is higher than the flatness of eight restriction face 8f.In addition, jut 8d is that protuberance 8c is less than the total area of eight restriction face 8f at the total area of about 1/4 ~ 1/3, four loading surface 8e of the width circumferentially of camera lens at the width circumferentially of camera lens.
As shown in Figure 6, four corners of four loading surface 8e and lens driving apparatus 1 are formed on the upper surface of sleeve 8 accordingly.Specifically, at camera lens circumferentially, loading surface 8e is formed in the mode that the circumferencial direction center of the notch part 10d formed on cover parts 10 is consistent with the circumferencial direction center of loading surface 8e.Notch part 10d is wider than loading surface 8e width in the direction in which at the width circumferentially of camera lens.In addition, the internal diameter of the upper end side of sleeve 8 is slightly less than the internal diameter of peristome 10c, and when viewed from upside, loading surface 8e externally exposes in the upper surface side of lens driving apparatus 1 at notch part 10d place.That is, notch part 10d plays the function that loading surface 8e is externally exposed in the upper surface side of lens driving apparatus 1.On the other hand, notch part 10d is narrower than protuberance 8c width in the direction in which at the width circumferentially of camera lens, and in the both sides of the notch part 10d circumferentially of camera lens, restriction face 8f can abut with the lower surface of bottom 10a.
Be positioned at the upper end side of sleeve 8 and than the position of protuberance 8c outer peripheral side, defining roughly circular spring stationary plane 8g, the movable body fixed part 5a of laminated spring 5 is by bonding and be fixed on this spring stationary plane 8g.Spring stationary plane 8g than protuberance 8c more downside position on formed, and be configured in than restriction face 8f more downside position on.As mentioned above, laminated spring 5 is fixed on sleeve 8 and pedestal 12 with deflected, thus when not supplying electric current to driving coil 15, the bearing surface 8a of sleeve 8 abuts with the reference field 11b of base component 11, and movable body 2 is positioned on the reference position of regulation.
Further, in the present embodiment, between spring stationary plane 8g and movable body fixed part 5a, circular pad 19(is configured with reference to Fig. 3), for regulating the elastic force of the laminated spring 5 when not supplying electric current to driving coil 15.That is, on spring stationary plane 8g, be adhesively fixed successively pad 19 and movable body fixed part 5a from lower.In addition, pad 19 and movable body fixed part 5a are adhesively fixed on spring stationary plane 8g by the bonding agent being coated in protuberance 8c outer circumferential side.The upper surface being bonded and fixed to the movable body fixed part 5a on spring stationary plane 8g is configured on the position than restriction face 8f more downside.
A recess 8h(is also formed with reference to Fig. 4 in the upper end side of sleeve 8), when assembling lens driving apparatus 1 by this recess 8h marking.Recess 8h is recessed to downside to be formed.In addition, recess 8h be formed in camera lens protuberance 8c circumferentially between a position on.
(structure of inspection fixture)
Fig. 7 is the stereographic map of the characteristic check of the lens driving apparatus 1 shown in Fig. 1 inspection fixture 25 used.Fig. 8 is the cut-open view of lens driving apparatus 1 on the lens driving apparatus 1 shown in Fig. 1 before jig for installation inspection 25 and inspection fixture 25.The cut-open view of the inspection fixture 25 shown in Fig. 8 is cut-open views of the F-F section along Fig. 7.
The lens driving apparatus 1 of present embodiment is as product export under the state do not loaded at lens bracket 7.And before lens driving apparatus 1 is as product export, characteristic check be carried out, namely to check that the axle (axle of above-below direction) of movable body 2 is relative to the inclination of the axle (axle of above-below direction) of fixed body 3 and movable body 2 amount of movement etc. relative to fixed body 3.Therefore, in the present embodiment, as the substitute of lens bracket 7, inspection fixture 25 is installed to movable body 2(specifically sleeve 8) on, carry out the characteristic check to inclination etc.
The catoptron 27 that inspection fixture 25 possesses chuck body 26 and is fixed in chuck body 26.Chuck body 26 possesses the body 26a inserting sleeve 8 inner circumferential side and the upper surface portion 26b be connected with the upper end of body 26a, and entirety is formed as roughly cylindric.And chuck body 26 is formed with nonmagnetic substance.The chuck body 26 of present embodiment is formed with aluminium alloy.But, chuck body 26 both can be formed with nonmagnetic resin material, also can be formed with the nonmagnetic metal material beyond aluminium alloy.
Body 26a is formed as roughly cylindric.The outer peripheral face of the upper end side of body 26a defines to the recessed circular recess 26c in the inner side of radial direction.As shown in Figure 8, the section shape of recess 26c is rectangle.The upper side 26d of recess 26c becomes the lower surface of upper surface portion 26b.The external diameter of the body 26a except recess 26c is slightly less than the internal diameter of sleeve 8.When inserting to sleeve 8 to prevent inspection fixture 25, chuck body 26 is stuck, and curved has been made in the lower end of the outer circumferential side of body 26a.
Upper surface portion 26b is formed as roughly discoideus.At upper surface portion 26b, upwards the radial outside of facial 26b is given prominence to and is formed with will be loaded on the loading surface 8e of sleeve 8 multiple and is loaded portion 26e.In the present embodiment, four are loaded portion 26e and are formed on upper surface portion 26b with the spacing of 90 °.The lower surface being loaded portion 26e becomes to be loaded in loading surface 8e is loaded face.This lower surface (i.e. the upper side 26d of recess 26c) being loaded face and upper surface portion 26b is formed on same plane.The external diameter of the upper surface portion 26b except being loaded portion 26e and the external diameter of body 26a roughly equal.In addition, once inspection fixture 25 is installed on sleeve 8, upper surface portion 26b is just configured in the upside of sleeve 8.
As shown in Figure 8, the blank part 26f as roughly cylindrical space is defined in the inside of the lower end side of body 26.Blank part 26f is recessed from the lower surface of body 26a to upside to be formed.The blank part 26f of present embodiment plays the effect regulating the weight of inspection fixture 25, by arranging blank part 26f on body 26a, makes the weight of the weight of inspection fixture 25 and lens bracket 7 roughly equal.
As shown in Figure 8, the fixed orifice 26g for stationary mirror 27 is defined in the upper end side of body 26 and the inside of upper surface portion 26b.Fixed orifice 26g is formed on the position at the axle center of departing from chuck body 26.In addition, fixed orifice 26g is formed in the mode run through between the upper surface of upper surface portion 26b and blank part 26f.Catoptron 27 is fixed on the upper end side of fixed orifice 26g, and the surface of catoptron 27 such as configures at grade with the upper surface of upper surface portion 26b.
(inspection method of lens driving apparatus)
Fig. 9 is the cut-open view for illustration of the state after installed inspection fixture 25 on the lens driving apparatus 1 shown in Fig. 1.Figure 10 is the vertical view of the lens driving apparatus 1 on the lens driving apparatus 1 shown in Fig. 1 before jig for installation inspection 25.Figure 11 is the vertical view of lens driving apparatus 1 installed inspection fixture 25 on the lens driving apparatus 1 shown in Fig. 1 after and inspection fixture 25.
Carry out before lens driving apparatus 1 dispatches from the factory about tilt etc. characteristic check time, first will on the sleeve 8 of lens driving apparatus 1 not installing lens bracket 7 jig for installation inspection 25.Specifically, as shown in Figure 9, the body 26a of chuck body 26 is inserted from the inner circumferential side of the upper lateral sleeves 8 of lens driving apparatus 1.Once body 26a is inserted into, the face that is loaded as the lower surface being loaded portion 26e is just loaded onto on the loading surface 8e of sleeve 8.That is, in the present embodiment, when carrying out the characteristic check about inclination etc., be by inspection fixture 25 is loaded on loading surface 8e, inspection fixture 25 is installed on sleeve 8.As shown in Figure 8, Figure 9, the installation of inspection fixture 25 to abut with the reference field 11b of base component 11 at the bearing surface 8a of sleeve 8 thus carries out under the state making movable body 2 be configured on the reference position of regulation.
Then, such as, supply electric current to driving coil 15, to make movable body 2 vertically move, to measure the amount of movement of movable body 2.When measuring the amount of movement of movable body 2, such as, use the laser displacement gauge with semiconductor laser and photo detector.The lens driving apparatus 1 being provided with inspection fixture 25 to reflect at catoptron 27 with the laser penetrated from semiconductor laser and the mode that the laser reflected at catoptron 27 injects photo detector is arranged on laser displacement gauge, and based on reflection on catoptron 27 thus the amount of movement of movable body 2 is measured in the light quantity change injecting the laser of photo detector.
In addition, when such as, when abutting with reference field 11b bearing surface 8a, the axle of movable body 2 moves up and down relative to the inclination (initial tilt) of the axle of fixed body 3 and movable body 2, the axle of movable body 2 is measured relative to the inclination (action is tilted) of the axle of fixed body 3.When measuring, such as, use the autocollimator with semiconductor laser and photo detector.The lens driving apparatus 1 being provided with inspection fixture 25 to reflect at catoptron 27 with the laser penetrated from semiconductor laser and the mode that the laser reflected at catoptron 27 injects photo detector is arranged on autocollimator, and based on reflection on catoptron 27 thus the incoming position injecting the laser of photo detector measures initial tilt and action is tilted.
In addition, the inspection fixture 25 of present embodiment possesses catoptron 27, but inspection fixture 25 also can not possess catoptron 27.In this occasion, such as, the upper surface of upper surface portion 26b is made mirror-like, to make to reflect from the laser of laser displacement gauge or autocollimator injection at the upper surface of upper surface portion 26b.
(main efficacy results of the present embodiment)
As mentioned above, in the present embodiment, the restriction face 8f limited the amount of movement of movable body 2 upwards side movement and the loading surface 8e of stowage survey fixture 25 staggers in the vertical direction.Therefore, restriction face 8f can not consider its flatness and improve its dimensional accuracy.On the other hand, loading surface 8e then can not consider its dimensional accuracy and improve its flatness.Specifically, on the mould for the formation of sleeve 8, the flatness of eight restriction face 8f can not be considered and pursue from the dimensional accuracy bearing surface 8a to restriction face 8f, and the flatness pursuing four loading surface 8e from the dimensional accuracy bearing surface 8a to four loading surface 8e can not be considered.Therefore, even if present embodiment will improve the flatness of loading surface 8e while the dimensional accuracy improving restriction face 8f, be also easy to realize forming the mould needed for sleeve 8.That is, present embodiment is easier to accomplish not only to improve the dimensional accuracy of restriction face 8f but also improve the flatness of loading surface 8e.
In the present embodiment, cover parts 10 define notch part 10d, this notch part 10d has played function loading surface 8e externally being exposed in the top side of lens driving apparatus 1.Therefore, it is possible on the loading surface 8e of lens driving apparatus 1 having installed cover parts 10 stowage survey fixture 25.Therefore, present embodiment can carry out the characteristic check about inclination etc. with the lens driving apparatus 1 close to completion status.
In the present embodiment, the both sides limiting the loading surface 8e circumferentially of face 8f and camera lens are adjacent to configure.Therefore, even if define the notch part 10d making loading surface 8e expose on cover parts 10, restriction face 8f also can be made to abut with the bottom 10a of cover parts 10 evenly in the both sides of notch part 10d.Therefore, even if present embodiment causes applying to impact to lens driving apparatus 1 because of reasons such as lens driving apparatus 1 drop, also can the plastic yield of preventing board spring 5,6.
Present embodiment defines restriction face 8f and loading surface 8e on the upper surface of the protuberance 8e being formed at sleeve 8 upper end side.That is, present embodiment defines restriction face 8f and loading surface 8e on common protuberance 8c.Therefore, the occasion that present embodiment is formed with the protuberance for the formation of loading surface 8e respectively compared with the protuberance for the formation of restriction face 8f, can simplify the structure of sleeve 8.In addition, owing to being form restriction face 8f and loading surface 8e on common protuberance 8c, therefore compared with for the formation of the protuberance of restriction face 8f and the occasion formed respectively for the formation of the protuberance of loading surface 8e, can enlarged boss 8c at the width circumferentially of camera lens.Therefore, present embodiment can improve the intensity of upwardly projecting protuberance 8c.
In the present embodiment, the total area of four loading surface 8e is less than the total area of eight restriction face 8f.That is, in present embodiment, the total area of four loading surface 8e is less.Therefore, present embodiment easily improves the flatness of four loading surface 8e.
In the present embodiment, the upper surface being adhesively fixed on the movable body fixed part 5a on spring stationary plane 8g is configured on the position than restriction face 8f more downside.Therefore, even if movable body fixed part 5a position is in the vertical direction at random, movable body fixed part 5a also can not be more upwardly projecting than restriction face 8f.Therefore, present embodiment can utilize restriction face 8f to limit the amount of movement of movable body 2 upwards side movement rightly.
In the present embodiment, pad 19 and movable body fixed part 5a are adhesively fixed on spring stationary plane 8g by the bonding agent being coated in protuberance 8c outer circumferential side.Therefore, even if increase the amount for pad 19 and movable body fixed part 5a being fixed on the bonding agent on spring stationary plane 8g, also can prevent bonding agent from flowing into the inner peripheral surface of sleeve 8.Therefore, present embodiment can prevent bonding agent from flowing into the inner peripheral surface of sleeve 8, can improve again the bonding strength of pad 19 and movable body fixed part 5a.
(other embodiment)
Above-mentioned embodiment is an example of better embodiment of the present invention, but the present invention is not limited to this, also can do various distortion in the scope not changing main points of the present invention.
In the above-described embodiment, be form four protuberance 8c in the upper end side of sleeve 8.But the quantity of the protuberance 8c formed in the upper end side of sleeve 8 also can be such as two or three, also can be more than five.In addition, above-mentioned embodiment all forms restriction face 8f and loading surface 8e on four protuberance 8c, as long as but restriction face 8f formed on more than one protuberance 8c, as long as loading surface 8e is then formed on plural protuberance 8c.That is, as long as form more than one restriction face 8f and plural loading surface 8e on sleeve 8.
In the above-described embodiment, four protuberance 8c are formed with the angularly spacing of roughly 90 °.In addition, four protuberance 8c such as also can angularly spacing be formed.In addition, in the above-described embodiment, the both sides of the loading surface 8e circumferentially of restriction face 8f and camera lens are adjacent to configure, but also can be that restriction face 8f is only adjacent to configure with the side of the loading surface 8e circumferentially of camera lens.
Above-mentioned embodiment forms restriction face 8f and loading surface 8e on common protuberance 8c.In addition also can be for the formation of limiting the protuberance of face 8f and being formed respectively for the formation of the protuberance of loading surface 8e.In this occasion, such as, at camera lens circumferentially by restriction face 8f and loading surface 8e separate configuration.In addition, in this occasion, both can by restriction face 8f be configured in than loading surface 8e more downside position on, also can by restriction face 8f be configured in than loading surface 8e more upside position on.And in this occasion, as long as form more than one protuberance for the formation of restriction face 8f, form the protuberance of two or more for the formation of loading surface 8e simultaneously.
In the above-described embodiment, the upper surface being formed at the jut 8d on protuberance 8c becomes loading surface 8e.In addition, such as can form recessed recess downwards on protuberance 8c, and the bottom surface roughly orthogonal with above-below direction of this recess becomes loading surface 8e.In addition, above-mentioned embodiment forms protuberance 8c in the upper end side of sleeve 8, but also can not form protuberance 8c in the upper end side of sleeve 8.In this occasion, such as form jut 8d in the upper end of sleeve 8, and the upper surface of jut 8d becomes loading surface 8e, the upper surface of the sleeve 8 except the upper surface of jut 8d becomes restriction face 8f.Or in this occasion, form recessed recess downwards in the upper end of sleeve 8, and the bottom surface of this recess becomes loading surface 8e, the upper surface of the sleeve 8 except recess becomes restriction face 8f.
In the above-described embodiment, the total area of four loading surface 8e is less than the total area of eight restriction face 8f.In addition, also can be such as with the total area of four loading surface 8e than the large mode of the total area of eight restriction face 8f to form loading surface 8e and restriction face 8f.
In the above-described embodiment, be on the inner peripheral surface of sleeve 8, form the female screw 8b carrying out with the pin thread formed on the outer peripheral face of lens bracket 7 being screwed, lens bracket 7 screws in the inner circumferential side of sleeve 8.In addition, also female screw 8b can not be formed on the inner peripheral surface of sleeve 8.In this occasion, such as, by press-in or bonding inner circumferential side lens bracket 7 being fixed on sleeve 8.But, even lens bracket 7 is fixed on the inner circumferential side of sleeve 8 by press-in or bonding way, as long as form loading surface 8e and restriction face 8f as in the present embodiment on the upper surface of sleeve 8, inspection fixture 25 just can be utilized to carry out the characteristic check about inclination etc. to the lens driving apparatus 1 before using the state not loading lens bracket 7 as product export.
In the above-described embodiment, sleeve 8 mould is formed by injection moulding, but sleeve 8 also waits other job operation to be formed by cutting.In addition, in the above-described embodiment, driving magnet 17 configures along each side in four sides of lens driving apparatus 1, but driving magnet 17 also can be configured in each corner in four corners of lens driving apparatus 1.In addition, in the above-described embodiment, shape when lens driving apparatus 1 is formed as viewed from optical axis direction is for roughly square, but shape when lens driving apparatus 1 also can be formed as viewed from optical axis direction is roughly oblong-shaped, the roughly polygon such as shape when can also be formed as viewed from optical axis direction is roughly hexagonal configuration.Shape when lens driving apparatus 1 can also be formed as viewed from optical axis direction is circular or generally elliptical shape.
Claims (20)
1. a lens driving apparatus, is characterized in that, possesses:
Movable body, this movable body keeps camera lens and can move to the optical axis direction of described camera lens;
Fixed body, this fixed body keeps described movable body and enables to move to described optical axis direction; And
Driving mechanism, described movable body drives to described optical axis direction by this driving mechanism,
On the end face leaning on object side of described movable body, restriction face and multiple loading surface is generally perpendicularly formed with described optical axis direction, described restriction face abuts with described fixed body and limits described movable body relative to the amount of movement of described fixed body to described object side movement
Multiple described loading surface is for loading the inspection fixture be arranged on described movable body, and described restriction face and multiple described loading surface stagger on described optical axis direction.
2. lens driving apparatus as claimed in claim 1, is characterized in that,
Described fixed body possesses end-surface member, and this end-surface member forms the end face by described object side of described lens driving apparatus and can abut with described restriction face,
Described end-surface member is formed the peristome centered by the optical axis of described camera lens,
The edge of described peristome is formed multiple notch parts that multiple described loading surface is exposed.
3. lens driving apparatus as claimed in claim 2, is characterized in that, described restriction face is adjacent to configuration in the both sides of the described loading surface circumferentially of described camera lens.
4. lens driving apparatus as claimed in claim 3, it is characterized in that, be formed to the outstanding multiple protuberances in described subject side at the described object side that leans on of described movable body, be formed with described restriction face and described loading surface leaning on the end face of described object side of described protuberance.
5. lens driving apparatus as claimed in claim 4, it is characterized in that, the total area of multiple described loading surface is less than the total area in described restriction face.
6. the lens driving apparatus according to any one of claim 2 to 5, it is characterized in that, shape when described lens driving apparatus is formed as viewed from optical axis direction is for roughly square, and described multiple notch part is four notch parts cut out towards described roughly foursquare four corners from the edge of described peristome.
7. lens driving apparatus as claimed in claim 6, is characterized in that,
Described lens driving apparatus possesses laminated spring, this laminated spring has: the arm being fixed on the movable body fixed part on described movable body, being fixed on the fixed body fixed part on described fixed body and being connected with described fixed body fixed part by described movable body fixed part, described lens driving apparatus also possesses the pad be configured between described movable body fixed part and described movable body
Than described restriction face closer to outer circumferential side and than the position of described restriction face further from object side, described movable body fixed part and described pad are fixed on described movable body.
8. lens driving apparatus as claimed in claim 6, is characterized in that,
Described driving mechanism by be wound on described movable body outer circumferential side driving coil and respectively along form described fixed body a part cover parts four sides in each side configure driving magnet form,
Described driving magnet is formed as substantially rectangular tabular, and to be fixed on the medial surface all around in the cylinder portion of described cover parts with the outer peripheral face mode in opposite directions of described driving coil.
9. lens driving apparatus as claimed in claim 1, is characterized in that,
At the multiple protuberances outstanding to described subject side by described object side formation of described movable body,
Described restriction face and described loading surface is formed leaning on the end face of described object side of described protuberance.
10. lens driving apparatus as claimed in claim 9, is characterized in that, described restriction face and described loading surface are adjacent to configuration.
11. 1 kinds of lens driving apparatus, is characterized in that possessing:
Movable body, this movable body keeps camera lens and can move to the optical axis direction of described camera lens;
Fixed body, this fixed body keeps described movable body and enables to move to described optical axis direction; And
Driving mechanism, described movable body drives to described optical axis direction by this driving mechanism,
On the end face leaning on object side of described movable body, restriction face and multiple loading surface is generally perpendicularly formed with described optical axis direction, described restriction face abuts with described fixed body and limits described movable body relative to the amount of movement of described fixed body to described object side movement, the flatness of multiple described loading surface is higher than the flatness in described restriction face
Described restriction face and multiple described loading surface stagger on described optical axis direction.
12. lens driving apparatus as claimed in claim 11, is characterized in that,
Described fixed body possesses end-surface member, and this end-surface member forms the end face by described object side of described lens driving apparatus and can abut with described restriction face,
Described end-surface member is formed the peristome centered by the optical axis of described camera lens,
The edge of described peristome is formed multiple notch parts that multiple described loading surface is exposed.
13. lens driving apparatus as claimed in claim 12, is characterized in that, described restriction face is adjacent to configuration in the both sides of the described loading surface circumferentially of described camera lens.
14. lens driving apparatus as claimed in claim 13, is characterized in that,
Be formed to the outstanding multiple protuberances in described subject side at the described object side that leans on of described movable body,
Described restriction face and described loading surface is formed leaning on the end face of described object side of described protuberance.
15. lens driving apparatus as claimed in claim 14, it is characterized in that, the total area of multiple described loading surface is less than the total area in described restriction face.
16. lens driving apparatus according to any one of claim 12 to 15, it is characterized in that, shape when described lens driving apparatus is formed as viewed from optical axis direction is for roughly square, and described multiple notch part is four notch parts cut out towards described roughly foursquare four corners from the edge of described peristome.
17. lens driving apparatus as claimed in claim 16, is characterized in that,
Described lens driving apparatus possesses laminated spring, this laminated spring has: the arm being fixed on the movable body fixed part on described movable body, being fixed on the fixed body fixed part on described fixed body and being connected with described fixed body fixed part by described movable body fixed part, described lens driving apparatus also possesses the pad be configured between described movable body fixed part and described movable body
Than described restriction face closer to outer circumferential side and than the position of described restriction face further from object side, described movable body fixed part and described pad are fixed on described movable body.
18. lens driving apparatus as claimed in claim 16, is characterized in that,
Described driving mechanism by be wound on described movable body outer circumferential side driving coil and respectively along form described fixed body a part cover parts four sides in each side configure driving magnet form,
Described driving magnet is formed as substantially rectangular tabular, and to be fixed on the medial surface all around in the cylinder portion of described cover parts with the outer peripheral face mode in opposite directions of described driving coil.
19. lens driving apparatus as claimed in claim 11, is characterized in that,
Be formed to the outstanding multiple protuberances in described subject side at the described object side that leans on of described movable body,
Described restriction face and described loading surface is formed leaning on the end face of described object side of described protuberance.
20. lens driving apparatus as claimed in claim 19, is characterized in that, described restriction face and described loading surface are adjacent to configuration.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011204858A JP5762904B2 (en) | 2011-09-20 | 2011-09-20 | Lens drive device |
| JP2011-204858 | 2011-09-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103018869A CN103018869A (en) | 2013-04-03 |
| CN103018869B true CN103018869B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348069.4A Active CN103018869B (en) | 2011-09-20 | 2012-09-18 | Lens driving apparatus |
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| JP (1) | JP5762904B2 (en) |
| CN (1) | CN103018869B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6106511B2 (en) * | 2013-04-26 | 2017-04-05 | 日本電産サンキョー株式会社 | Lens drive device |
| TWI507759B (en) * | 2013-11-13 | 2015-11-11 | Tdk Taiwan Corp | Lens stopper mechanism |
| JP6486046B2 (en) * | 2014-09-18 | 2019-03-20 | 日本電産サンキョー株式会社 | Optical unit with shake correction function |
| KR102573341B1 (en) * | 2015-08-31 | 2023-08-31 | 엘지이노텍 주식회사 | Lens moving apparatus and camera module including the same |
| CN110077151A (en) * | 2019-05-22 | 2019-08-02 | 深圳市钻爱一生珠宝首饰有限公司 | A kind of processing of ornament clamping device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527084A (en) * | 2003-03-03 | 2004-09-08 | 奥林巴斯株式会社 | Varifocal mirrorscope |
| JP2005309076A (en) * | 2004-04-21 | 2005-11-04 | Sankyo Seiki Mfg Co Ltd | Lens drive |
| CN1880993A (en) * | 2005-06-17 | 2006-12-20 | 日本电产三协株式会社 | Lens drive apparatus |
| CN101452100A (en) * | 2007-11-29 | 2009-06-10 | 鸿富锦精密工业（深圳）有限公司 | Lens module assembling equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7068929B2 (en) * | 2002-08-27 | 2006-06-27 | Pentax Corporation | Optical element retracting mechanism for a retractable lens |
| JP2007025640A (en) * | 2005-06-17 | 2007-02-01 | Nidec Sankyo Corp | Lens drive apparatus |
| JP5201587B2 (en) * | 2008-03-31 | 2013-06-05 | 日本電産サンキョー株式会社 | Lens drive device |
| JP2011075643A (en) * | 2009-09-29 | 2011-04-14 | Alps Electric Co Ltd | Camera module and method for assembling the same |
| WO2011055503A1 (en) * | 2009-11-04 | 2011-05-12 | コニカミノルタオプト株式会社 | Image pickup device, method for manufacturing image pickup device, and jig for adjusting image pickup device |
| JP5461981B2 (en) * | 2009-12-25 | 2014-04-02 | 日本電産サンキョー株式会社 | Lens drive device |
| JP5637754B2 (en) * | 2010-07-09 | 2014-12-10 | 台湾東電化股▲ふん▼有限公司 | Lens holding device |
-
2011
- 2011-09-20 JP JP2011204858A patent/JP5762904B2/en not_active Expired - Fee Related
-
2012
- 2012-09-18 CN CN201210348069.4A patent/CN103018869B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527084A (en) * | 2003-03-03 | 2004-09-08 | 奥林巴斯株式会社 | Varifocal mirrorscope |
| JP2005309076A (en) * | 2004-04-21 | 2005-11-04 | Sankyo Seiki Mfg Co Ltd | Lens drive |
| CN1880993A (en) * | 2005-06-17 | 2006-12-20 | 日本电产三协株式会社 | Lens drive apparatus |
| CN101452100A (en) * | 2007-11-29 | 2009-06-10 | 鸿富锦精密工业（深圳）有限公司 | Lens module assembling equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103018869A (en) | 2013-04-03 |
| JP5762904B2 (en) | 2015-08-12 |
| JP2013064963A (en) | 2013-04-11 |
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