CN101639606B - Optical focusing device - Google Patents
Optical focusing device Download PDFInfo
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- CN101639606B CN101639606B CN 200810129990 CN200810129990A CN101639606B CN 101639606 B CN101639606 B CN 101639606B CN 200810129990 CN200810129990 CN 200810129990 CN 200810129990 A CN200810129990 A CN 200810129990A CN 101639606 B CN101639606 B CN 101639606B
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Abstract
The invention provides an optical focusing device, which comprises a shell, an image sensor component and an actuating component. The actuating component actuates to drive an image sensor panel provided with an image sensor in the image sensor component to move along an axis direction of an aperture so as to adjust the distance between the image sensor panel and a lens, thereby realizing the optical focusing. The optical focusing device of the invention has the advantages of improving the adjustment precision and the stability of focusing, along with simple structure and convenient operation.
Description
Technical field
The present invention relates to a kind of optical focusing device.
Background technology
Along with the development of Digital Electronic Technique, have the consumer electronics product of imaging function, obtained very large application such as rig camera, common Digital Video, digital camera, mobile phone etc. with camera function.
Take rig camera as example, when video camera photographic subjects object, the camera lens pickup image, this image refraction is converted to electric signal output to light signal by imageing sensor on imageing sensor (for example CCD, CMOS).If the focal length of video camera is fixed, so along with the distance with the distance of destination object changes, the size of destination object on screen also can change, be held in the sharpness of picture, need by the spacing between adjustable lens plane and the focal plane, camera lens the imaging size of destination object is controlled at suitable dimension, so that can be focused destination object, image in imageing sensor exactly.
Generally, can realize focusing by the various camera lenses that several functions such as having focus function and zoom function is provided or the position of adjusting imageing sensor, because the camera lens of rig camera is fixed on the main frame by buckle or screw thread, therefore can realize focusing by the position of adjusting imageing sensor.
Present rig camera generally has the function of focusing manually or automatically.In the automatic focusing mode as example, it generally passes through to produce driving force such as electro-motor, piezoelectric element etc., and moves along optical axis direction by actuated element driving imageing sensor, adjusts the spacing between imageing sensor and the camera lens, realizes the function of focusing.Automatic focusing mode transmission performance is higher, but its complex structure, and the stepping amount of adjusting is wayward, adjusts precision and degree of stability relatively poor.
Application number is that 200420084788.0 Chinese patent application discloses a kind of hand operated focalizing mechanism that is applied to digital camera, includes lens mount, lens unit and focus adjusting mechanism; Utilize the fit of slide and guidepost between lens mount and the lens unit, consist of flexible external member, make the inside lens can along its axially back and forth telescopic moving change focal length; Focus adjusting mechanism is to include the burnt driving lever of changing of cam, this driving lever includes a cam, and this cam is provided with axis hole and cam surface, and the face that this cam surface is provided with a plurality of differing heights contacts with this lens unit, change burnt driving lever and be articulated on the lens mount, and utilize a screw rod to set initial focal length; When stirring, change burnt driving lever and make it flexible with cam surface promotion lens unit, produce the focus effect of multistage.So, in above-mentioned focus adjusting mechanism, the focus effect that produces multistage is to realize by the described cam surface that is designed to multi-segment structure, the cam surface of described multi-segment structure is when stirring, when particularly between two adjacent segment faces, changing, situation, accuracy and the reliability of impact focusing such as produce possibly blocking, pause, beat.
Summary of the invention
The invention provides a kind of optical focusing device, adjust the spacing of camera lens mounting plane and focal plane.
The invention provides a kind of optical focusing device, comprising: housing has accommodation space, externally is communicated with described accommodation space and corresponding to the unthreaded hole of camera lens and the axis of guide that arranges along the unthreaded hole axis direction; Image sensor module, at least comprise by described axis of guide activity and be assemblied in imageing sensor panel in the accommodation space of described housing, side towards unthreaded hole on described imageing sensor panel is provided with imageing sensor, and a side that deviates from unthreaded hole at described imageing sensor panel is provided with the first driving section; And, actuating assembly, comprise the support of being located on the described housing away from an end of described unthreaded hole, can be relative to described support along the sliding part that moves perpendicular to described unthreaded hole axis direction, and be revealed in described housing for adjusting the adjustment element that described sliding part moves the stepping amount, wherein, be provided with the second driving section corresponding to described the first driving section at described sliding part, described the second driving section in the sliding part moving process with the first driving section conflict and generation so that the acting force that described imageing sensor panel moves along the unthreaded hole axis direction by the axis of guide.
Alternatively, the described axis of guide further is arranged with flexible member, described flexible member is between imageing sensor panel and the housing when image sensor module is assemblied in the accommodation space of described housing, moves to cooperate to drive the imageing sensor panel with described driving section.
Alternatively, further be provided with the axle sleeve that runs through for the described axis of guide on the described imageing sensor panel.
Alternatively, described housing further has along the unthreaded hole axis direction and is provided for avoiding described image sensor module to produce the brake axle of passback centered by the axis of guide; The quantity of the described axis of guide and brake axle is one, and the two is to become to be located at diagonally the position of closing on unthreaded hole on the described housing centered by unthreaded hole.
Alternatively, described brake axle further is arranged with flexible member, and the elasticity coefficient of sheathed flexible member is better than the elasticity coefficient of flexible member sheathed on the described brake axle on the described axis of guide.
Alternatively, housing has the first limiting section that arranges along the unthreaded hole axis direction; Described sliding part further is provided with described the first limiting section and cooperates for the second limiting section that limits described sliding part shift motion.
Alternatively, described first, second driving section is to keep tangent cam structure when mutually conflicting, so that described sliding part is linear along the distance that the unthreaded hole axis direction moves along the distance that moves perpendicular to the unthreaded hole axis direction and imageing sensor panel.
Alternatively, described sliding part further comprises for adjusting combination of elements in the joint portion of sliding part.
Alternatively, described adjustment element is rotary screw, and described joint portion is screw, and described rotary screw comprises head of screw, the screw termination that cooperates with described screw and the threaded screw rod of tool that is emerging in outside the described housing.
Described screw thread comprises and is covered with screw rod fully or partly is covered with screw rod; When described threaded portion is covered with screw rod, close on head of screw and a section of engaging with housing is smooth surface at screw rod, so that rotary screw is limited.
Alternatively, described actuating assembly further comprises the flexible member of being located between described imageing sensor panel and the adjustment element.
Compared with prior art, optical focusing device provided by the present invention moves along the unthreaded hole axis direction acting on the imageing sensor panel and drive it in perpendicular to unthreaded hole axis direction moving process by sliding part in the actuating assembly, adjust the spacing between imageing sensor and the camera lens, simple in structure, operation is convenient.
Description of drawings
Fig. 1 shows the structural representation of rig camera in the embodiment of the present invention;
Fig. 2 shows the decomposing schematic representation of optical focusing device in the embodiment of the present invention;
Fig. 3 shows the decomposing schematic representation of the image sensor module of optical focusing device in the embodiment of the present invention;
Fig. 4 shows that the side after the optical focusing device assembling moulding is cutd open schematic diagram in the embodiment of the present invention; And,
Fig. 5 and Fig. 6 show in the embodiment of the present invention that optical focusing device carries out in the optical focusing process side under different conditions and cuts open schematic diagram.
Embodiment
The invention provides a kind of optical focusing device, comprising: housing, the axis of guide that has accommodation space, unthreaded hole and arrange along the unthreaded hole axis direction; Image sensor module comprises that the imageing sensor panel, the described imageing sensor panel that are assemblied in the accommodation space of described housing by described axis of guide activity have imageing sensor, and the first driving section; And actuating assembly comprises support, can be relative to support along the sliding part that moves perpendicular to described unthreaded hole axis direction and adjust element, be provided with the second driving section corresponding to the first driving section at sliding part.The present invention uses simple physical construction to move along the unthreaded hole axis direction the imageing sensor panel being produced acting force and drive it in perpendicular to unthreaded hole axis direction moving process by sliding part, adjust the spacing between imageing sensor and the camera lens, realize optical focusing.Embodiments of the invention are described as an example of rig camera example below in conjunction with accompanying drawing.
Fig. 1 shows the structural representation of embodiment of the invention rig camera.In the present embodiment, describe as an example of rig camera example, but not as limit, in actual applications, for example Digital Video, digital camera, the mobile phone with camera function or other electronic installations with imaging function all can be paid attention to.
As shown in Figure 1, rig camera 1 comprises video camera main frame 10, optical focusing device 2 and the camera lens 12 that is connected with video camera main frame 10.Wherein, video camera main frame 10 can separate with camera lens 12 in the rig camera 1, the two can be intermeshing by C type or CS type lens interface, so just can guarantee to like the camera lens of changing the dissimilar of different vendor's production or having difference in functionality according to applied environment or user in the indeclinable situation of video camera main frame.Optical focusing device 2 is assemblied on the video camera main frame 10, can come moving images sensor (for example CCD, CMOS) by operating optical focus control 2, adjust the spacing between camera lens 12 and the imageing sensor, realize optical focusing, so that the image of camera lens 12 picked-ups can clearly focus on the imageing sensor.
Fig. 2 shows the decomposing schematic representation of embodiment of the invention optical focusing device 2.In conjunction with Fig. 1 and Fig. 2, optical focusing device 2 comprises: housing 20, be assemblied in the image sensor module 22 in the housing 20 and be assemblied in and provide driving force on the housing 20 so that the actuating assembly 24 that image sensor module 22 moves.
In addition, the side towards accommodation space 200 further is provided with a plurality of fixed parts 212 on the plate in front, and week of sidewall along being provided with a plurality of location divisions 214.Wherein, fixed part 212 can be for example rib that extends to form along the unthreaded hole axis direction by on the front panel, and offers screw at rib.Location division 214 can be for example flange that is extended to form along the unthreaded hole axis direction by sidewall, when assembling, can housing 20 correspondences be installed in video camera main frame 10 by location division 214, again by wear the fixing of fixed part 212 and video camera main frame 10 realization housings 20 such as additional locking elements such as rotary screws.
Side towards unthreaded hole 202 on imageing sensor panel 220 is provided with imageing sensor 2200.Imageing sensor 2200 is to be right against unthreaded hole 202, is used for receiving the refract light that is transmitted by the camera lens place, to form image.Imageing sensor 2200 can be charge-coupled image sensor (Charge Coupled Device; CCD) imageing sensor or complementary metal-oxide layer-semiconductor (ComplementaryMetal-Oxide-Semiconductor; CMOS) imageing sensor.In concrete the application, imageing sensor 2200 is to be welded on one to be assemblied on the substrate of imageing sensor panel 220.
Further be provided with on the imageing sensor panel 220 corresponding to the axis of guide 204 so that its axle sleeve that runs through 2204 to be provided.Axle sleeve 2204 can be assemblied in imageing sensor panel 220 by for example hot melting way, and it is designed and sized to and is slightly larger than the axis of guide 204, and having to provide the axis of guide 204 swimmingly in the redundant gap of axle sleeve 2204 interior movements.In fact, the set-up mode of axle sleeve 2204 and size still can have other variation, for example axle sleeve 2204 also can be assemblied in imageing sensor panel 220 in the mode of being spirally connected, and the length of axle sleeve 2204 can be according to imageing sensor panel 220 required shift motions and corresponding the adjustment.In addition, further be provided with the through hole 2206 that can supply the axis of guide 204 and brake axle 206 to run through on the imageing sensor panel 220, wherein, through hole 2206 corresponding to brake axle 206 is designed to be slightly larger than brake axle 206 sizes, oval slotted hole for example is so that imageing sensor panel 220 has a certain amount of redundant gap between through hole 2206 and the brake axle 206 in moving process.
A side that deviates from unthreaded hole 202 at imageing sensor panel 220 is provided with the first driving section 2202.In the present embodiment, the first driving section 2202 can be to close on the column structure of being located at axle sleeve 2204.
In addition, further comprise a pattern control module 222 in the image sensor module 22, pattern control module 222 is to lock mode by rotary screw to be engaged in imageing sensor panel 220.Further has an opening 2220 in the pattern control module 222, be used for when pattern control module 222 is engaged in imageing sensor panel 220, can appearing the imageing sensor 2200 on the imageing sensor panel 220, so that camera lens 12 is formed with light path between imageing sensor 2200.In the present embodiment, pattern control module 222 be according to ambient light line strength control rig camera 1 mode of operation in the daytime/night (D/N) control module.Because of this part in the daytime/who knows for those skilled in that art institute for the control technology of Night, and is not the demand of this case, therefore give unnecessary details no longer separately at this.
Actuating assembly 24 comprises the support 240 of being located on the housing 20 away from an end of unthreaded hole 202, can be relative to support 240 along the sliding part 242 that moves perpendicular to described unthreaded hole axis direction, and the adjustment element 244 that is incorporated into sliding part 242.
Sliding part 242 is used for being equipped on support 240, by the external force accepted can so that sliding part 242 on support 240 along moving perpendicular to the unthreaded hole axis direction.In the present embodiment, similarly, the framed structure of hollow out in the middle of sliding part 242 can be designed as, and stride relative two sides that are loaded in support 240.
The second driving section 2420 is sides that are convexly set in sliding part 242 Graph-Oriented image-position sensors 2200.In the present embodiment, the first driving section 2202 can be to be located at a wherein side of sliding part 242 and the column structure that cooperates with the second driving section 2420.In actual applications, the cam structure of first, second driving section 2202,2420 for cooperatively interacting, can do the time spent maintenance in the two conflict tangent, so that sliding part 242 is linear along the distance that the unthreaded hole axis direction moves along the distance that moves perpendicular to the unthreaded hole axis direction and imageing sensor panel 220, and then improve the degree of stability that imageing sensor panel 220 moves.In one embodiment, first, second driving section 2202,2420 cross section roughly are tangent wedge structure, and do to beat on the surface and justify smooth treatment.
In addition, be restriction sliding part 242 shift motion on support 240, be provided with the first limiting section 211 along the unthreaded hole axis direction towards a side of accommodation space 200 on the front panel of housing 20, correspondingly, the side towards unthreaded hole 202 on sliding part 242 is provided with the second limiting section 2422.In the present embodiment, the first limiting section 211 can be two blocks that the front panel by housing 20 extends to form along the unthreaded hole axis direction, the second limiting section 2422 can be a flanging that is extended to form by its bottom, described flanging can form block with two blocks, by cooperating of two blocks and flanging, so that sliding part 242 can only move, limited the shift motion of sliding part 242 in the formed space of two blocks.
Adjust element 244 and can be incorporated into sliding part 242 by the joint portion 2424 of being located on the sliding part 242, and be revealed in housing 20 in the assembling rear section.By adjusting the operation of element 244, can be so that sliding part 242 starts, and adjust it and move the stepping amount.Wherein, the degree of adjustment element 244 operations becomes positive correlation with the distance that sliding part 242 moves.In the present embodiment, adjusting element 244 can be rotary screw, joint portion 2424 can be the screw of offering on the flanging that extends to form of the bottom by sliding part 242, when adjustment element 244 is assemblied in sliding part 242, described rotary screw comprises the head of screw that is emerging in outside the housing 20, the screw termination that cooperates with described screw and the threaded screw rod of tool, need not like this to remove housing 20 and just can outside housing 20, screw or unscrew rotary screw by the instrument that locks by for example turnscrew, so that sliding part 242 moving back and forth perpendicular to the unthreaded hole axis direction, and can control by screwing or unscrew rotary screw the movement of sliding part 242.In addition, described screw rod can be to lay screw thread fully, also can be that part is laid screw thread.In a special embodiment, when described screw portion is laid with screw thread, close on head of screw and a section of engaging with housing 20 is smooth surface at screw rod, other parts at screw rod then are furnished with protruding screw thread in described smooth surface, after rotary screw is assemblied in housing 20, just it can be limited on the housing 20 like this, avoid rotary screw because rotating excessive and corresponding screw disengaging and on housing 20, coming off.In addition, for when adjusting, obtaining better degree of stability and accurate effect so that adjust element 244, between adjustment element 244, further be arranged with flexible member 246, so that can produce cushion effect in the joint portion 2424 of imageing sensor panel 220 and the flexible member 246 of adjusting between the element 244.In the present embodiment, flexible member 246 is Compress Spring.
In addition, optical focusing device 2 comprises that further being incorporated into image sensor module 22 is used for carrying out the control circuit board 26 that image is processed.In the present embodiment, control circuit board 26 be with image sensor module 22 in imageing sensor panel 220 weld mutually.Control circuit board 26 further is provided with the through hole 260 that can supply the axis of guide 204 and brake axle 206 to run through, it is corresponding to the through hole 2206 on the imageing sensor panel 220, wherein, through hole 260 corresponding to brake axle 206 is designed to be slightly larger than brake axle 206 sizes, slotted hole for example, so that imageing sensor panel 220 has a certain amount of redundant gap between through hole 260 and the brake axle 206 in moving process, and have a certain degree with through hole 2206 on the imageing sensor panel 220, for example the major axis of the two is mutually quadrature.In the present embodiment, control circuit board 26 has chip, electronic component and the circuit thereof that carries out the image processing.Who knows for those skilled in that art institute because of the control technology of this part control circuit board 26, and is not the demand of this case, therefore give unnecessary details no longer separately at this.
Fig. 4 shows that the side after the embodiment of the invention optical focusing device 2 assembling moulding cuts open schematic diagram.As shown in Figure 4, camera lens 12 is engaged on the housing 20 by C type or CS type lens interface, the axis of guide 204 by being arranged with flexible member 208 and the brake axle 206 that is arranged with flexible member 210 run through the through hole 2206 on through hole 260 and the imageing sensor panel 220 on the control circuit board 26 gradually, so that image sensor module 22 is assemblied in the accommodation space 200 of housing 20 with control circuit board 26, actuating assembly 24 medium-height trestles 240 are fixed on the housing 20 end away from unthreaded hole 202, sliding part 242 activities are located at support 240 between control circuit board 26 and the control of the adjustment element 244 of being combined with it, wherein, the second driving section 2420 of sliding part 242 is corresponding to the first driving section 2202 on the imageing sensor panel 220.
Fig. 5 and Fig. 6 show that embodiment of the invention optical focusing device 2 carries out in the optical focusing process side under different conditions and cuts open schematic diagram.As shown in Figure 5, by operation adjustment element 244 so that flexible member 246 is in maximum compressive state, be that the second limiting section 2422 in the sliding part 242 is by one of them the block block in the first limiting section 211 in the housing 20, reach minimum spacing for one of them sidewall of adjusting element 244 assemblings in sliding part 242 and the housing 20, at this moment, the top of the top of the second driving section 2420 of sliding part 242 and the first driving section 2202 of imageing sensor panel 220 is inconsistent, so that imageing sensor panel 220 is in and the position of the unthreaded hole 202 spacing minimums of housing 20 (be between imageing sensor 2200 and the camera lens 12 spacing be minimum state) because of stressed, at this moment, the flexible member 208 on the axis of guide 204 and the brake axle 206,210 are in maximum compressive state.When operation adjustment element 244, so that sliding part 242 is along being away from perpendicular to the unthreaded hole axis direction when adjusting element 244, because the cam structure of the second driving section 2420 and the first driving section 2202, so that imageing sensor panel 220 (flexible member 208 on the axis of guide 204 plays a major role) under the flexible member 208 on the axis of guide 204 and the brake axle 206,210 effect is away from unthreaded hole 202 (be between imageing sensor 2200 and the camera lens 12 spacing progressively increase) along the unthreaded hole axis direction; Until the second limiting section 2422 of sliding part 242 is by another block block in the first limiting section 211 in the housing 20, limit slippage part 242 is moved further, at this moment, as shown in Figure 6, sliding part 242 is along reaching maximum shift motion perpendicular to the unthreaded hole axis direction, accordingly, imageing sensor panel 220 reaches maximum shift motion (be between imageing sensor 2200 and the camera lens 12 spacing reach maximum rating) along the unthreaded hole axis direction.By the aforesaid operations method, can effectively adjust the spacing between imageing sensor 2200 and the camera lens 12, realize focusing, obtain clearly image.
Need to prove, in imageing sensor panel 220 moving process, mainly be to realize by the axis of guide 204 and flexible member 208 thereof, brake axle 206 and flexible member 210 thereof are except providing the assistive drive effect, main effect is to be to cooperate with the axis of guide 204 to determine a plane of motion, prevents that imageing sensor panel 220 from producing gyration.In addition, the axle sleeve 2204 on the imageing sensor panel 220 cooperates with the axis of guide 204, has improved the degree of stability that imageing sensor panel 220 moves.
In sum, the optical focusing device that embodiment of the present invention provides comprises the housing that is provided with the axis of guide, is assemblied in the housing and has the image sensor module of imageing sensor panel and comprise support, sliding part and the actuating assembly of adjusting element by axis of guide activity.By operation adjustment element drives sliding part along moving perpendicular to the unthreaded hole axis direction, in the sliding part moving process, acting force by the second driving section on the sliding part and the conflict generation of the first driving section on the imageing sensor panel, the inconsistent imageing sensor panel of driving and described sliding part moves along being parallel to the unthreaded hole axis direction, so that the imageing sensor in the imageing sensor panel and the spacing between the camera lens change, realize optical focusing, simple in structure, operation is convenient.
In addition, the optical focusing device that embodiment of the present invention provides only need provide an axis of guide that plays main driving effect and one to play to prevent the incompatible realization that matches of rotating brake axle to be equipped with the movement of the imageing sensor panel of imageing sensor, simple in structure, so that described optical focusing device can be used under the condition of limited space, more can guarantee the degree of stability that the imageing sensor panel moves, the situation such as prevent from producing blocking in the moving process, pause, beat, relatively improve accuracy and the reliability of focusing.
Although the present invention with preferred embodiment openly as above; but it is not to limit the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (9)
1. optical focusing device comprises:
Housing has accommodation space, externally is communicated with described accommodation space and corresponding to the unthreaded hole of camera lens and the axis of guide that arranges along the unthreaded hole axis direction;
Image sensor module, at least comprise by described axis of guide activity and be assemblied in imageing sensor panel in the accommodation space of described housing, side towards unthreaded hole on described imageing sensor panel is provided with imageing sensor, and is provided with the first driving section in the side that described imageing sensor panel deviates from unthreaded hole; And,
Actuating assembly, comprise the support be located on the described housing away from an end of described unthreaded hole, can be relative to described support along the sliding part that moves perpendicular to described unthreaded hole axis direction and be revealed in described housing and be used for adjusting the adjustment element that described sliding part moves the stepping amount, wherein, described housing further has along the unthreaded hole axis direction and is provided for avoiding described image sensor module to produce the brake axle of passback centered by the axis of guide, and described housing has the first limiting section that arranges along the unthreaded hole axis direction; Described sliding part further is provided with described the first limiting section and cooperates for the second limiting section that limits described sliding part shift motion, be provided with the second driving section corresponding to described the first driving section at described sliding part, described the second driving section in the sliding part moving process with the first driving section conflict and generation so that the acting force that described imageing sensor panel moves by the direction of the axis of guide along the unthreaded hole axis direction to described unthreaded hole, the described axis of guide further is arranged with flexible member, described flexible member is between imageing sensor panel and the housing when image sensor module is assemblied in the accommodation space of described housing, being able to cooperate to drive the imageing sensor panel with described the first driving section moves along the unthreaded hole axis direction
When the described adjustment element of operation, so that described sliding part is when being away from described adjustment element perpendicular to the unthreaded hole axis direction, because described the second driving section and described the first driving section be the tangent cam structure of maintenance when mutual conflict, so that described imageing sensor panel is away from unthreaded hole along the unthreaded hole axis direction under the effect of flexible member sheathed on the described flexible member of the described axis of guide and the described brake axle.
2. optical focusing device as claimed in claim 1 is characterized in that, further is provided with the axle sleeve that runs through for the described axis of guide on the described imageing sensor panel.
3. optical focusing device as claimed in claim 1 is characterized in that, the quantity of the described axis of guide and brake axle is one, and the two is to become to be located at diagonally the position of closing on unthreaded hole on the described housing centered by unthreaded hole.
4. optical focusing device as claimed in claim 3 is characterized in that, the elasticity coefficient of sheathed flexible member is better than the elasticity coefficient of flexible member sheathed on the described brake axle on the described axis of guide.
5. optical focusing device as claimed in claim 1, it is characterized in that, described first, second driving section is to keep tangent described cam structure when mutually conflicting, so that described sliding part is linear along the distance that the unthreaded hole axis direction moves along the distance that moves perpendicular to the unthreaded hole axis direction and imageing sensor panel.
6. optical focusing device as claimed in claim 1 is characterized in that, described sliding part further comprises for adjusting combination of elements in the joint portion of sliding part.
7. optical focusing device as claimed in claim 6, it is characterized in that, described adjustment element is rotary screw, and described joint portion is screw, described rotary screw comprises the head of screw that is emerging in outside the described housing, the screw termination that cooperates with described screw, and the threaded screw rod of tool.
8. optical focusing device as claimed in claim 7 is characterized in that, described screw rod comprises to be laid screw thread fully or partly lay screw thread; When described screw portion is laid screw thread, close on head of screw and engages with housing one section for being used for the smooth surface of restriction rotary screw at screw rod.
9. optical focusing device as claimed in claim 1 is characterized in that, described actuating assembly further comprises the flexible member that is sheathed on the adjustment element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810129990 CN101639606B (en) | 2008-07-30 | 2008-07-30 | Optical focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810129990 CN101639606B (en) | 2008-07-30 | 2008-07-30 | Optical focusing device |
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| CN101639606A CN101639606A (en) | 2010-02-03 |
| CN101639606B true CN101639606B (en) | 2013-09-18 |
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| CN 200810129990 Expired - Fee Related CN101639606B (en) | 2008-07-30 | 2008-07-30 | Optical focusing device |
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| CN108063896A (en) * | 2018-01-22 | 2018-05-22 | 舜宇光学(中山)有限公司 | A kind of focus control |
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| CN110971787B (en) * | 2018-09-28 | 2022-08-19 | 中国科学院长春光学精密机械与物理研究所 | Focus-adjustable optical sensor |
| CN109188640B (en) * | 2018-10-17 | 2024-08-06 | 福建福光股份有限公司 | Integrated lens structure and working method thereof |
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| CN111487836A (en) * | 2020-05-22 | 2020-08-04 | 维沃移动通信（杭州）有限公司 | Camera shooting structure and electronic equipment |
| CN111679442B (en) * | 2020-06-23 | 2022-04-05 | 广州立景创新科技有限公司 | Optical adjusting system and focusing device |
| CN111796382B (en) * | 2020-07-21 | 2021-04-27 | 中国科学院长春光学精密机械与物理研究所 | Optical system switching mechanism |
| CN115278003B (en) * | 2020-09-08 | 2023-07-25 | 杭州海康威视数字技术股份有限公司 | Photographing apparatus |
| CN113411484B (en) * | 2021-07-20 | 2022-12-23 | 维沃移动通信有限公司 | Camera module and electronic equipment |
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| CN2765222Y (en) * | 2004-08-24 | 2006-03-15 | 普立尔科技股份有限公司 | Hand operated focalizing mechanism for digital camera |
| CN1881065A (en) * | 2005-06-15 | 2006-12-20 | 三星电子株式会社 | Camera lens assembly for portable terminals |
| TW201003275A (en) * | 2008-07-11 | 2010-01-16 | Chi Mei Comm Systems Inc | Focusing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4005859B2 (en) * | 2002-07-08 | 2007-11-14 | 日本電産コパル株式会社 | Digital still camera |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6806899B1 (en) * | 1999-07-17 | 2004-10-19 | David F. Schaack | Focusing systems for perspective dimensional measurements and optical metrology |
| JP2005352341A (en) * | 2004-06-14 | 2005-12-22 | Seiko Precision Inc | Focusing apparatus |
| CN2765222Y (en) * | 2004-08-24 | 2006-03-15 | 普立尔科技股份有限公司 | Hand operated focalizing mechanism for digital camera |
| CN1881065A (en) * | 2005-06-15 | 2006-12-20 | 三星电子株式会社 | Camera lens assembly for portable terminals |
| TW201003275A (en) * | 2008-07-11 | 2010-01-16 | Chi Mei Comm Systems Inc | Focusing system |
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