CN1933303A - Micro linear motor driving device and focusing lens device with the same driving device - Google Patents
Micro linear motor driving device and focusing lens device with the same driving device Download PDFInfo
- Publication number
- CN1933303A CN1933303A CN200510102559.6A CN200510102559A CN1933303A CN 1933303 A CN1933303 A CN 1933303A CN 200510102559 A CN200510102559 A CN 200510102559A CN 1933303 A CN1933303 A CN 1933303A
- Authority
- CN
- China
- Prior art keywords
- bearing seat
- load bearing
- magnetic
- guiding rail
- magnetic guiding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Linear Motors (AREA)
- Lens Barrels (AREA)
Abstract
This invention relates to a micro-linear drive device of a motor used in driving a lens set for focusing, in which, the drive device includes: a loading seat, at least a driving coil and at least one magnetic leading rail, in which, said loading seat is set with at least one leading hole for containing said lens set, said driving coil is winded around the hole, said magnetic leading rail passes through the hole forming a first magnetic pole and a second magnetic pole at both ends of the rail and the loading seat can shift in linearity along the rail.
Description
Technical field
The present invention relates to a kind of micro linear motor driving device and have the focus lens device of described drive unit, being particularly related to a kind of being applicable to the linear motor is on the focus lens group of power source, and by drive coil and be arranged in electromagnetic action between wherein the magnetic guiding rail, provide a kind of drive unit of power.
Background technology
See also Fig. 1, in general camera 1, mainly by comprising that a lens group 11, optical sensing subassembly 12 and Focusing mechanism (not shown) are formed.Wherein lens group 11 can be with the reflected image photoimaging of subject on optical sensing subassembly 12.Because if the distance of 12 of lens group 11 and optical sensing subassemblies is to be fixing (that is tight shot), then its only can clearly present the 2-3 meter in addition hyperfocal distance from the object of (hyperfocal distance).If desire to have the close-perspective recording function, then the distance between lens group and the optical sensing subassembly just must utilize described Focusing mechanism to adjust in good time.
And in existing camera employed mechanical transmission-type Focusing mechanism 2 (as shown in Figure 2), its use expensive accurate driven unit 21 as driving be provided with the load bearing seat 22 of lens group 11 power resources (for example: stepper motor, ultrasonic waves motor, piezo-activator .... or the like) and considerable transmission component.Not only make mechanical framework complexity, number of assembling steps loaded down with trivial detailsly is difficult for, volume also has disappearance with high costs greatly and have, and also has the big critical defect of power consumption simultaneously.And growing along with science and technology, the conventional dedicated camera constantly improve image quality and towards reduced volume so that the direction of carrying is continually developed new product.On the other hand, the dealer also integrates at various difference in functionality products, for example camera function is combined, camera function is combined with PDA(Personal Digital Assistant) or camera function is combined with mobile computer with the mobile phone of Mobile Communications function, make it have more powerful video signal function.Therefore, in the design of sharing same power supply device, reduced volume and reduce cost how to reduce the consumption of power supply in addition how, use when using the power supply device of same capability size, can effectively promote the standby of product and just become the emphasis that the dealer will research and develop improvement service time.
No. 5150260 cases of U.S. Pat once disclosed a kind of mechanism design of using stepper motor to drive lens group.This kind use stepper motor is used as the mechanism design of actuator, though possess the advantage of open loop control (open-loop control), its mechanism takes up space bigger, causes the module miniaturization to be difficult for.Simultaneously, the response time of stepper motor is longer, will produce bigger vibrations and noise during operation, is the disadvantage of the actuator of this type.
No. 6392827 cases of U.S. Pat once disclosed a kind of mechanism design of using piezo-activator to drive lens group.Response time, high-resolution, miniaturization are easy to advantage though piezo-activator possesses fast.Right its high-tension operator scheme, the brittle nature of piezoelectric and abrasion problem become camera required problem of facing when selecting drive unit really.
No. 5471100 cases of U.S. Pat 5220461 and US once disclosed a kind of linear motor actuator, were better than the mechanism design of stepper motor pattern in the overall space utilization, also possessed the preferable response time simultaneously.But power consumption characteristic is relatively poor and must to adopt closed-loop control (close-loop control) then be that this type of actuator is needed improved shortcoming badly.
Summary of the invention
First purpose of the present invention is to be the focus lens device that a kind of micro linear motor driving device is provided and has described drive unit, with respect to aforementioned prior art, drive unit of the present invention and focus lens device can have more miniaturization, structure is simpler and the effect of low power consumption more.
Second purpose of the present invention is to be to provide a kind of micro linear motor driving device, mainly be to twine a drive coil in non-contacting mode in a magnetic guiding rail periphery, and with a load bearing seat in conjunction with interlock in magnetic guiding rail and drive coil both one of.Utilize the principle of electromagnetic induction, when drive coil is applied electric current,, can cause it to produce mutual displacement movement between the two by the magneticaction between magnetic guiding rail and the drive coil, and then drive load bearing seat and move, and described magnetic guiding rail and the function of guiding direction of displacement is provided simultaneously.Thus, described drive unit can be provided with extra guide rail assembly in addition, so can further reduce component count, reduced volume, simplified structure.And more the magnetic line of force because of drive coil can directly concentrate on the magnetic guiding rail, and it is higher that it drives efficient, also relatively more power saving.
The 3rd purpose of the present invention is to be to provide a kind of micro linear motor driving device, the position feedback of its position that can come the sensing load bearing seat by a magnetic position sensor with the time as the load bearing seat displacement, and have assembly simplify, simple in structure, volume is less, cost is lower, with advantages such as the location is accurate.
The 4th purpose of the present invention is to be to provide a kind of micro linear motor driving device, and its device has the precompressed shell fragment design of a uniqueness.When load bearing seat was positioned at an initial position, described precompressed shell fragment can snap in load bearing seat to reach the purpose that is fixed.After load bearing seat begins to move, the precompressed shell fragment will produce flexural deformation and provide certain precompression to be applied on the load bearing seat, make load bearing seat more stable in moving process.
In order to achieve the above object, a preferred embodiment of micro linear motor driving device of the present invention is applicable on the focus lens group, and is combined into a focus lens device.Described drive unit is to include: a load bearing seat, at least one drive coil, and at least one magnetic guiding rail.Described load bearing seat is to be used for ccontaining described lens group and be provided with at least one guide hole.Described drive coil is to be wound in the guide hole periphery.Described magnetic guiding rail is to be arranged in the described guide hole, is formed with one first magnetic pole and one second magnetic pole respectively at the two ends of described magnetic guiding rail, and makes load bearing seat carry out linear displacement along described magnetic guiding rail to move.By described at least one drive coil is imposed electric current, can produce a predetermined magnetic force and with the magnetic pole generation interaction force at described magnetic guiding rail two ends, and then impel load bearing seat to be pushed and carry out linear displacement along described magnetic guiding rail and move together with the lens group on it.
In a preferred embodiment, drive unit of the present invention more includes: a pedestal, a loam cake, a permanent magnet, an and magnetic position sensor.Pedestal and loam cake can cover mutually and it is provided with an accommodation space between the two for holding described lens group, load bearing seat, drive coil, reaching the magnetic guiding rail.Described permanent magnet is to be positioned one of them of pedestal and loam cake and is towards the accommodation space setting.Described magnetic position sensor is to be incorporated on the load bearing seat and corresponding to described permanent magnet.When the load bearing seat displacement, described magnetic position sensor can be sensed described permanent magnet magnetic force variation and produce one of the correspondence voltage signal, and the value of described voltage signal is the position corresponding to described load bearing seat.
In a preferred embodiment, drive unit of the present invention more includes: a precompressed shell fragment and a concave point.One end of described precompressed shell fragment is that one of them and the other end that are fixed on pedestal and loam cake are the free ends that can swing for one, at the described free end of precompressed shell fragment and be provided with a salient point.Described concave point is provided in a side of load bearing seat corresponding to described salient point part.When described load bearing seat was positioned at an initial position, described salient point just snapped in concave point on the load bearing seat to reach the fixedly purpose of load bearing seat.When load bearing seat is driven and after the displacement, the salient point of precompressed shell fragment will separate with the concave point of load bearing seat, the shell fragment of precompressed simultaneously produces flexural deformation, provide certain precompression to put on the load bearing seat, make load bearing seat more stable in moving process, and will eliminate the guide hole of load bearing seat and the gap between the guide rail simultaneously.
Description of drawings
Fig. 1 is the schematic diagram of existing camera lens focusing principle;
Fig. 2 is the perspective exploded view of existing focus lens;
Fig. 3 is the preferred embodiment with focus lens device of micro linear motor driving device of the present invention, its stereo appearance figure under assembled state;
Fig. 4 is the present invention's three-dimensional exploded view of focus lens device under first visual angle as shown in Figure 3;
Fig. 5 is the present invention's three-dimensional exploded view of focus lens device under second visual angle as shown in Figure 3;
Fig. 6 is the present invention's three-dimensional exploded view of focus lens device under the 3rd visual angle as shown in Figure 3;
Fig. 7 is the assembled state three-dimensional view of the present invention's focus lens device as shown in Figure 3 behind the removal loam cake;
Fig. 8 is in the micro linear motor driving device of the present invention, the magneticaction schematic diagram between its magnetic guiding rail and the drive coil.
Fig. 9 A is the A-A profile of the present invention's focus lens device of the present invention as shown in Figure 3, and it shows that load bearing seat is to be positioned at a rearward position.
Fig. 9 B is the A-A profile of the present invention's focus lens device of the present invention as shown in Figure 3, and it shows that load bearing seat is driven and is positioned at a forward position.
Figure 10 is in the micro linear motor driving device of the present invention, another preferred embodiment of its magnetic guiding rail.
Description of reference numerals: 1 camera; 11 lens group; 12 optical sensing subassemblies; 2 mechanical transmission-type Focusing mechanisms; 21 driven units; 22 load bearing seats; 30 have the focus lens group of drive unit of the present invention; 31 pedestals; 311 keyholes; 312,313,314 dimples; 315,322 perforates; 32 loam cakes; 321 perforation; 33 lens group; 34 load bearing seats; 341,342 guide holes; 343 concave points; 351,352,45 drive coils; 361,362,46 magnetic guiding rails; 37,471,472 permanent magnets; 38 magnetic position sensors; 39 precompressed shell fragments; 391 free ends; 392 salient points; 40 bolts.
Embodiment
The cardinal principle of micro linear motor driving device of the present invention is a principle of utilizing electromagnetic induction, by the magneticaction between magnetic guiding rail and the drive coil, causes drive coil to produce the effect that moves.When applying electric current behind drive coil, if the electromagnetic force that it induced is when inhaling mutually with the magnetic force of magnetic guiding rail, will move toward a direction wherein along guide rail; Otherwise, apply negative-phase sequence curent behind drive coil, the electromagnetic force that it induced will with the magnetic force mutual exclusion of magnetic guiding rail, drive coil will move toward other direction along guide rail this moment.According to this phenomenon, because induction coil is assembled on the load bearing seat, load bearing seat drives sensed coil, reaches the purpose of the lens group of mobile device on load bearing seat.
To shown in Figure 7, the focus lens device 30 with micro linear motor driving device of the present invention is to include: a pedestal 31, a loam cake 32, a lens group 33, a load bearing seat 34, at least one drive coil (comprising one first drive coil 351 and one second drive coil 352), at least one magnetic guiding rail (comprising one first magnetic guiding rail 361 and one second magnetic guiding rail 362), a permanent magnet 37, a magnetic position sensor 38, a precompressed shell fragment 39 and a bolt 40 as Fig. 3.
Described pedestal 31 is to cover mutually with described loam cake 32.On loam cake 32 and pedestal 31, be respectively equipped with a perforation 321 and one keyhole 311, can be locked on again after the perforation 321 in the keyhole 311 and pedestal 31 and described loam cake 32 are fixed into one by described bolt 40 is passed earlier.Be that design has an accommodation space for holding aforesaid each assembly between pedestal 31 and loam cake 32.And, on the precalculated position of pedestal 31 the some dimples 312,313,314 that are provided with given shape, for locating more described magnetic guiding rail 361,362, permanent magnet 37, and precompressed shell fragment 39 respectively, and make these assemblies loam cake 32 with can arbitrarily not move after pedestal 31 covers mutually.In addition, be to be respectively equipped with a perforate 315,322 at pedestal 31 and loam cake 32 corresponding to lens group 33 forward and backward sides' position, for light by described lens group 33.
Described lens group 33 is that its periphery is provided with thread by the optical lens group that comprises that some lens constitute.Perhaps, in another embodiment, described lens group 33 also may be a zoom lens group.Because this described optical lens group and zoom lens group are to belong to prior art and non-ly be feature of the present invention place, thus below will not give unnecessary details its detailed formation.
Described load bearing seat 34 is to be used for ccontaining described lens group 33.In this preferred embodiment, the central authorities of described load bearing seat 34 are the through holes that are provided with internal thread for, and its internal diameter is corresponding to lens group 33 external diameters, make the lens group 33 can be sealed and be positioned in the through hole of load bearing seat 34.And, in load bearing seat 34 relative both sides is to be respectively equipped with a guide hole 341,342, described first and second drive coil 351,352 then is to be wound in described two guide holes, 341,342 peripheries respectively, and makes the centre bore of guide hole 341,342 and drive coil 351,352 present the state that connects.
Described first and second magnetic guiding rail the 361, the 362nd is arranged in respectively among described two guide holes 341,342 and described first and second drive coil 351,352.In this preferred embodiment, described first and second magnetic guiding rail the 361, the 362nd is shaft-like permanent magnet, and has magnetic pole one of opposite first magnetic pole and one second magnetic pole respectively in the two ends of each magnetic guiding rail.Because described load bearing seat 34 comes down to be sheathed on first and second magnetic guiding rail 361,362, so can be subjected to the guiding (restriction) of magnetic guiding rail 361,362, and can only carry out the linear displacement motion of limited (that is shift length is not more than the length of magnetic guiding rail 361,362) along described magnetic guiding rail 361,362 directions of being extended.
Described permanent magnet 37 is to be positioned on the pedestal 31 and is towards the accommodation space setting.Simultaneously, described magnetic position sensor 38 is to be incorporated on the load bearing seat 34 and corresponding to described permanent magnet 37.When load bearing seat 34 displacements, described magnetic position sensor 38 can be sensed the magnetic force change of described permanent magnet 37 and produce one of the correspondence voltage signal.And the magnetism intensity that the magnitude of voltage of described voltage signal is with magnetic position sensor 38 is sensed becomes the pass of a function to be.That is to say, the value of described voltage signal is the position corresponding to described load bearing seat 34, by measuring the magnitude of voltage of 38 output voltage signals of magnetic position sensor, can converse the position of magnetic position sensor 38 (just lens group 33), with the position feedback when driving lens group 33 displacements.Because the present invention uses the little and magnetic position sensor 38 that do not take up space of volume to come the position of sensing lens group 33, so any extra precision optical machinery assembly or expensive optical profile type positioning component must be set hardly, thus can have assembly simplify, simple in structure, volume is less, cost is lower, with locate accurate or the like advantage.
One end of described precompressed shell fragment 39 is to be fixed on the pedestal 31, and the other end then is the free end that can swing 391, in the described free end 391 of precompressed shell fragment 39 and be provided with a salient point 392.Simultaneously, be to be provided with a concave point 343 in load bearing seat 34 corresponding to the position of described salient point 392.When described load bearing seat 34 is positioned at an initial position (when for example drive coil 351,352 still is not applied to electric current), described salient point 392 is just to snap in concave point 343 on the load bearing seat 34 to reach the fixedly purpose of load bearing seat 34.And driven and after the displacement, the salient point 392 of precompressed shell fragment 39 will separate with the concave point 343 of load bearing seat 34 when load bearing seat 34.At this moment, precompressed shell fragment 39 will produce flexural deformation, and provide certain precompression to put on the load bearing seat 34, make lens group 33 more stable in moving process, and will eliminate the guide hole 341,342 of load bearing seat 34 and the gap between the magnetic guiding rail 361,362.
See also Fig. 8, it shows in the micro linear motor driving device of the present invention, the magneticaction schematic diagram between its magnetic guiding rail 361,362 and the drive coil 351,352.Shown in figure eight, when apply electric current behind drive coil 351,352, will be drive coil 351,352 produce a predetermined electromagnetic force and with S, the N magnetic pole generation interaction force at described magnetic guiding rail two ends about in the of 361,362.If if the electromagnetic force that it induced when inhaling mutually with the magnetic force of magnetic guiding rail 361,362, will make drive coil 351,352 move toward directions wherein along magnetic guiding rail 361,362.Otherwise, apply negative-phase sequence curent behind drive coil 351,352, the electromagnetic force that it induced will with the magnetic force mutual exclusion of magnetic guiding rail 361,362, drive coil 351,352 will move along magnetic guiding rail 361,362 toward other directions this moment.According to this phenomenon, because induction coil 351,352 is assembled on the load bearing seat 34, load bearing seat 34 together with the lens group on it 33 with 351,352 drives of sensed coil, move and carry out linear displacement along described magnetic guiding rail 361,362 bearing of trends, and the length that the stroke of its displacement will be subjected to magnetic guiding rail 361,362 limits.Thus, described magnetic guiding rail 361,362 promptly can provide simultaneously the dual-use function of electromagnetic braking and displacement guiding.So drive unit of the present invention can be provided with extra displacement arrangement for guiding in addition, so can further reduce component count, reduced volume, simplified structure.And more the magnetic line of force because of drive coil 351,352 can directly concentrate on the magnetic guiding rail 361,362, and it is higher that it drives efficient, also relatively more power saving.
See also Fig. 9 A and Fig. 9 B, be the A-A profile of as shown in Figure 3 focus lens device of the present invention, it shows respectively that load bearing seat 34 is driven and displacement switches on the schematic diagram of a rearward position (shown in Fig. 9 A) and a forward position (showing as Fig. 9 B).
See also Figure 10, in micro linear motor driving device of the present invention, another preferred embodiment of its magnetic guiding rail.In preferred embodiment shown in Figure 10, described magnetic guiding rail be for a shaft-like magnetic conduction subassembly 46 (for example, the magnetic conduction subassembly of yoke material), and be respectively arranged with a permanent magnet 471,472 at the two ends of described shaft-like magnetic conduction subassembly 46, described two permanent magnets the 471, the 472nd, the two ends of bringing out described shaft-like magnetic conduction subassembly 46 form described first magnetic pole and second magnetic pole of different magnetic poles respectively.Its equally can with the drive coil 45 incompatible generation actuating force that matches, and the length of described magnetic conduction subassembly 46 can be more unrestricted, cost is also relatively low honest and clean.
But above-described embodiment shall not be applied to restriction range of application of the present invention, and the scope that protection scope of the present invention should be included with claim content institute's definition techniques spirit of the present invention and impartial variation thereof is main person.Promptly the equalization of being done according to the present patent application claim generally changes and modifies, and will not lose main idea of the present invention place, does not also break away from the spirit and scope of the present invention, and the former capital should be considered as further enforcement situation of the present invention.
Claims (10)
1. a micro linear motor driving device is characterized in that, includes:
One load bearing seat, it is provided with at least one guide hole;
At least one drive coil is wound in described guide hole periphery; And,
At least one magnetic guiding rail is arranged in the described guide hole, is formed with one first magnetic pole and one second magnetic pole respectively in the two ends of described magnetic guiding rail, and makes load bearing seat carry out linear displacement along described magnetic guiding rail to move;
Wherein, by described at least one drive coil is imposed electric current, produce a predetermined magnetic force and with the magnetic pole generation interaction force at described magnetic guiding rail two ends.
2. as claims 1 described micro linear motor driving device, it is characterized in that described magnetic guiding rail is to be a shaft-like permanent magnet.
3. as claims 1 described micro linear motor driving device, it is characterized in that, described magnetic guiding rail is to be a shaft-like magnetic conduction subassembly, and be respectively arranged with a permanent magnet in the two ends of described shaft-like magnetic conduction subassembly, described two permanent magnets are described first magnetic pole and second magnetic poles that the two ends of bringing out described shaft-like magnetic conduction subassembly form different magnetic poles respectively.
4. as claims 3 described micro linear motor driving devices, it is characterized in that the material of described magnetic conduction subassembly is to be yoke.
5. as claims 1 described micro linear motor driving device, it is characterized in that, more include a lens group, be placed in the described load bearing seat.
6. as claims 5 described micro linear motor driving devices, it is characterized in that, more include and one of to cover a pedestal and a loam cake mutually, between described pedestal and loam cake, be provided with an accommodation space for holding described lens group, load bearing seat, drive coil, and magnetic guiding rail; Is to be respectively equipped with a perforate to pass through for light in pedestal and loam cake corresponding to the forward and backward side's of lens group position.
7. as 6 described micro linear motor driving devices of claims, it is characterized in that, more include:
One permanent magnet is positioned one of them of pedestal and loam cake and is towards the accommodation space setting; And,
One magnetic position sensor, be incorporated on the load bearing seat and corresponding to described permanent magnet, when the load bearing seat displacement, described magnetic position sensor can be sensed described permanent magnet magnetic force variation and produce one of the correspondence voltage signal, and the value of described voltage signal is the position corresponding to described load bearing seat.
8. as 6 described micro linear motor driving devices of claims, it is characterized in that, more include:
One precompressed shell fragment, one end are that one of them and the other end that are fixed in pedestal and loam cake are the free ends that can swing for one, in the described free end of precompressed shell fragment and be provided with a salient point; And,
One concave point is located at load bearing seat corresponding to described salient point part; When described load bearing seat was positioned at an initial position, described salient point just snapped in concave point on the load bearing seat to reach the fixedly purpose of load bearing seat; When load bearing seat is driven and after the displacement, the salient point of precompressed shell fragment will separate with the concave point of load bearing seat, and the shell fragment of precompressed simultaneously produces flexural deformation, provides certain precompression to put on the load bearing seat, make camera lens more stable in moving process, and will eliminate the guide hole of load bearing seat and the gap between the guide rail.
9. the focus lens device with micro linear motor driving device is characterized in that, includes:
One magnetic guiding rail, it is to extend a predetermined length, and is formed with one first magnetic pole and one second magnetic pole respectively in the two ends of described magnetic guiding rail;
One drive coil, it is outer and be and the magnetic guiding rail predetermined gap of being separated by to be wound in described magnetic guiding rail, by described drive coil is imposed electric current, can produce a predetermined magnetic force and with the magnetic pole generation interaction force at described magnetic guiding rail two ends, and then impel magnetic guiding rail and drive coil can carry out mutual displacement movement between the two, and described mutual displacement movement comes down to be limited by the bearing of trend of described magnetic guiding rail and length; And,
One lens group, interlock make when carry out mutual displacement movement between magnetic guiding rail and drive coil that in one of them of magnetic guiding rail and drive coil also the while is driven described lens group.
10. as claims 1 described micro linear motor driving device, it is characterized in that, more include:
One load bearing seat, described lens group is ccontaining being positioned in the described load bearing seat, be provided with at least one guide hole in described load bearing seat, described drive coil be wound in described guide hole outer and with the load bearing seat interlock, and, described magnetic guiding rail is to be arranged in described guide hole, makes load bearing seat carry out linear displacement along described magnetic guiding rail and moves;
One pedestal;
One loam cake is provided with an accommodation space for holding described lens group, load bearing seat, drive coil, reaching the magnetic guiding rail between described pedestal and loam cake;
One permanent magnet is positioned one of them of pedestal and loam cake and is towards the accommodation space setting; And,
One magnetic position sensor, be incorporated on the load bearing seat and corresponding to described permanent magnet, when the load bearing seat displacement, described magnetic position sensor can be sensed the voltage signal that described permanent magnet magnetic force changes and produce correspondence, and the value of described voltage signal is the position corresponding to described load bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510102559.6A CN1933303A (en) | 2005-09-12 | 2005-09-12 | Micro linear motor driving device and focusing lens device with the same driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510102559.6A CN1933303A (en) | 2005-09-12 | 2005-09-12 | Micro linear motor driving device and focusing lens device with the same driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1933303A true CN1933303A (en) | 2007-03-21 |
Family
ID=37878979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510102559.6A Pending CN1933303A (en) | 2005-09-12 | 2005-09-12 | Micro linear motor driving device and focusing lens device with the same driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1933303A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324689B (en) * | 2007-06-12 | 2010-10-13 | 华宏新技股份有限公司 | Voice coil motor |
| CN101673022B (en) * | 2008-09-10 | 2011-09-07 | 亚洲光学股份有限公司 | Focusing module |
| CN101561544B (en) * | 2008-04-18 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor actuator |
| CN106054346A (en) * | 2015-04-03 | 2016-10-26 | Lg伊诺特有限公司 | Lens driving device, camera module and optical apparatus |
| CN106170912A (en) * | 2014-02-27 | 2016-11-30 | Lg伊诺特有限公司 | Lens driving motor |
| CN107102497A (en) * | 2013-03-07 | 2017-08-29 | 磁化电子株式会社 | The camera module of portable terminal device |
| CN109073852A (en) * | 2016-04-12 | 2018-12-21 | Lg伊诺特有限公司 | Lens driver, camera model and optical device including the lens driver |
| CN109324057A (en) * | 2018-10-17 | 2019-02-12 | 广州超音速自动化科技股份有限公司 | A kind of wide cut pole piece detection machine |
| CN109565540A (en) * | 2016-07-21 | 2019-04-02 | Lg伊诺特有限公司 | Lens driving device and camera model and optical device including lens driving device |
| WO2021227678A1 (en) * | 2020-05-15 | 2021-11-18 | 华为技术有限公司 | Linear motor apparatus and terminal device |
-
2005
- 2005-09-12 CN CN200510102559.6A patent/CN1933303A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324689B (en) * | 2007-06-12 | 2010-10-13 | 华宏新技股份有限公司 | Voice coil motor |
| CN101561544B (en) * | 2008-04-18 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor actuator |
| CN101673022B (en) * | 2008-09-10 | 2011-09-07 | 亚洲光学股份有限公司 | Focusing module |
| CN107102497A (en) * | 2013-03-07 | 2017-08-29 | 磁化电子株式会社 | The camera module of portable terminal device |
| CN107102497B (en) * | 2013-03-07 | 2019-07-30 | 磁化电子株式会社 | The camera module of portable terminal |
| US10288835B2 (en) | 2014-02-27 | 2019-05-14 | Lg Innotek Co., Ltd. | Lens driving motor |
| CN106170912A (en) * | 2014-02-27 | 2016-11-30 | Lg伊诺特有限公司 | Lens driving motor |
| US11143840B2 (en) | 2014-02-27 | 2021-10-12 | Lg Innotek Co., Ltd. | Lens driving motor |
| CN106170912B (en) * | 2014-02-27 | 2019-11-08 | Lg伊诺特有限公司 | Lens driving motor |
| US11307378B2 (en) | 2015-04-03 | 2022-04-19 | Lg Innotek Co., Ltd. | Lens driving device, camera module and optical apparatus |
| CN106054346A (en) * | 2015-04-03 | 2016-10-26 | Lg伊诺特有限公司 | Lens driving device, camera module and optical apparatus |
| US11940665B2 (en) | 2015-04-03 | 2024-03-26 | Lg Innotek Co., Ltd. | Lens driving device, camera module and optical apparatus |
| US10634869B2 (en) | 2015-04-03 | 2020-04-28 | Lg Innotek Co., Ltd. | Lens driving device, camera module and optical apparatus |
| US11675158B2 (en) | 2015-04-03 | 2023-06-13 | Lg Innotek Co., Ltd. | Lens driving device, camera module and optical apparatus |
| US11899275B2 (en) | 2016-04-12 | 2024-02-13 | Lg Innotek Co., Ltd. | Lens driving apparatus, and camera module and optical device including same |
| CN109073852A (en) * | 2016-04-12 | 2018-12-21 | Lg伊诺特有限公司 | Lens driver, camera model and optical device including the lens driver |
| US11378773B2 (en) | 2016-04-12 | 2022-07-05 | Lg Innotek Co., Ltd. | Lens driving apparatus, and camera module and optical device including same |
| CN109073852B (en) * | 2016-04-12 | 2021-12-31 | Lg伊诺特有限公司 | Lens driving device, camera module, and optical apparatus |
| CN109565540B (en) * | 2016-07-21 | 2021-02-05 | Lg伊诺特有限公司 | Lens driving apparatus, and camera module and optical apparatus including the same |
| US10935752B2 (en) | 2016-07-21 | 2021-03-02 | Lg Innotek Co., Ltd. | Lens driving device, and camera module and optical device, which include same |
| CN109565540A (en) * | 2016-07-21 | 2019-04-02 | Lg伊诺特有限公司 | Lens driving device and camera model and optical device including lens driving device |
| US11921349B2 (en) | 2016-07-21 | 2024-03-05 | Lg Innotek Co., Ltd. | Lens driving device, and camera module and optical device, which include same |
| CN109324057A (en) * | 2018-10-17 | 2019-02-12 | 广州超音速自动化科技股份有限公司 | A kind of wide cut pole piece detection machine |
| WO2021227678A1 (en) * | 2020-05-15 | 2021-11-18 | 华为技术有限公司 | Linear motor apparatus and terminal device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1933303A (en) | Micro linear motor driving device and focusing lens device with the same driving device | |
| CN1288827C (en) | Linear motor and linear motor compressor | |
| JP4681874B2 (en) | Drive device | |
| KR102194095B1 (en) | Pop-up shooting module and terminal | |
| US11561456B2 (en) | Blade driving device for high resolution imaging apparatus | |
| US20070046109A1 (en) | Miniature linear motor driving device and auto-focus lens device using the same | |
| US10564515B2 (en) | Blade driving device | |
| CN101483376B (en) | Voice coil motor | |
| WO2023005650A1 (en) | Rotating mechanism and photographing module thereof, and driving apparatus and electronic device thereof | |
| CN112492126A (en) | Camera module and working method thereof | |
| CN1881068A (en) | Automatic focusing device for lens | |
| KR101177185B1 (en) | Camera shutter device | |
| CN1858975A (en) | Voice coil motor device | |
| CN102437706B (en) | Method for implementing object linear motion driving device and linear motor | |
| CN200972530Y (en) | Miniature multi-section driving device for lens | |
| CN114252970A (en) | Optical zoom motor, image pickup device and mobile terminal | |
| KR101158222B1 (en) | Lens actuating module | |
| US20120218650A1 (en) | Electromagnetic driving device | |
| CN202565140U (en) | Linear motor, lens and electronic device | |
| US7920335B2 (en) | Movable lens module and optical lens module | |
| CN1873513A (en) | Collision bumper for optical mechanical module, and movable lenses | |
| CN1230482A (en) | Molding device | |
| CN100492086C (en) | Two-section lens driver | |
| JP2006098595A (en) | Camera module and personal digital assistant equipped therewith | |
| CN113296224A (en) | Step motor type camera module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |