CN101398520B - Lens regulating module - Google Patents
Lens regulating module Download PDFInfo
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- CN101398520B CN101398520B CN2007101612645A CN200710161264A CN101398520B CN 101398520 B CN101398520 B CN 101398520B CN 2007101612645 A CN2007101612645 A CN 2007101612645A CN 200710161264 A CN200710161264 A CN 200710161264A CN 101398520 B CN101398520 B CN 101398520B
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- pallet
- lens
- camera lens
- base
- regulating module
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Abstract
The invention discloses a lens adjusting module which is suitable for adjusting the position of a lens; the lens adjusting module comprises a base, a first pallet, a second pallet, at least a guide idler wheel and at least a boundary position limit part; the first pallet is arranged on the base in the first axis line in a sliding way; the second pallet is arranged on the first pallet in the second axis line vertical to the first axis line in a sliding way; wherein, the lens is fixedly arranged on the second pallet; the guide idler wheel can be arranged on the second pallet rotatablely; the boundary position limit part is fixedly arranged on the base; wherein, the guide idler wheel is suitable for contacting with the boundary position limit part in a rolling way so as to restrict the position of the lens in an imaging area of the lens.
Description
Technical field
The present invention relates to a kind of lens regulating module, particularly relate to a kind of lens regulating module of projector.
Background technology
In existing projector, the adjustment that camera lens reaches on the vertical direction in the horizontal direction can be reached by a horizontal adjusting mechanism and a vertical adjusting mechanism respectively, this make camera lens in the horizontal direction with vertical direction on adjustment be separately independently.Therefore, the user can't be simultaneously when the existing projector lens adjusting gear of operation adjusts the position of camera lens in the horizontal direction with on the vertical direction.
Fig. 1 adjusts the synoptic diagram of camera lens for existing a kind of projection lens adjusting gear.Please refer to Fig. 1, optical center 30 is limited in moving in the moving range 40 among Fig. 1, but moving range 40 then designs corresponding to an imaging area of camera lens 50, but with lens limitations in imaging area, wherein the B point is positioned at moving range 40 peak in vertical direction.Therefore, when user's desire moves to the B point with the optical center 30 of projector by present A point, need via vertical adjusting mechanism optical center 30 vertically to be moved to A ' point by the A point earlier, and then optical center 30 is flatly moved to B ' point by A ' point via horizontal mobile mechanism, then via vertical adjusting mechanism optical center 30 is vertically moved to the B point by B ' point again.
Because the user can't learn that camera lens has not arrived peak, therefore when adjusted optical center 30 when A ' puts, take for the peak that camera lens has arrived imaging area but the user is possible because camera lens can't continue to rise.
For whether testing lens peaks, when the optical center was in moving range, the user must move horizontally camera lens earlier, if camera lens still can't continue to rise after moving horizontally, but represented that then camera lens has reached the peak of imaging area.Otherwise if camera lens still can continue to rise after moving horizontally, then the user must repeat above-mentioned action, but to try out the peak whether camera lens has reached imaging area.
Yet, but existing lens adjusting apparatus only can be adjusted the position of camera lens in imaging area on horizontal or vertical direction, camera lens is moved simultaneously in the vertical and horizontal direction, and this is quite inconvenience not only, but and cause the user to take for the peak that camera lens has arrived imaging area easily.
Summary of the invention
The object of the present invention is to provide a kind of projector lens adjusting module, the person of being easy to use adjusts projector lens.
Embodiments of the invention propose a kind of lens regulating module, are used to adjust the position of a camera lens.Lens regulating module comprises a base, one first pallet, one second pallet, at least one guide roller and at least one border locating part.First pallet is slidingly installed on the base along a first axle.Second pallet is slidingly installed on first pallet along one second axis perpendicular to first axle, and wherein camera lens is installed on second pallet.Guide roller is rotatably established to second pallet.The border locating part is fixedly held to base, and wherein guide roller rollably contacts with the border locating part, but with the position limit of camera lens in an imaging area of camera lens.
Embodiments of the invention reintroduce a kind of lens regulating module, are used to adjust the position of a camera lens.Lens regulating module comprises a base, one first pallet, one second pallet, at least one rocking arm and at least one slide block.First pallet is slidingly installed on the base along a first axle, and has one first driver slot.Second pallet is slidingly installed on first pallet along one second axis perpendicular to first axle, and wherein camera lens is installed on second pallet.Rocking arm is hubbed on the base, and has and be connected in first of first driver slot and be driven post and one second driver slot.Slide block is established to base along the first axle cunning, and have one and be connected in second of second driver slot and be driven post, wherein the slip of first pallet is driven post via first driver slot and first and orders about the rocking arm rotation, and the rotation of rocking arm is driven post via second driver slot and second and orders about slide block and slide, make slide block slide corresponding to the slip of first pallet, limiting the scope that second pallet slides along second axis, but and allow the position limit of camera lens in an imaging area of camera lens.
Based on above-mentioned, owing to limit the moving range of camera lens with guide roller and border locating part, therefore when but user's desire is adjusted to the peak of imaging area or minimum point with camera lens, as long as along the first axle adjustment, if but camera lens has reached the border of imaging area during also not to peak or minimum point, the user is as long as continue along the first axle adjustment, but guide roller and border locating part promptly can be directed to camera lens the peak or the minimum point of imaging area, and it is convenient more so can to allow the user adjust camera lens.In addition, the user can lead screw as the adjusting mechanism on the first axle, so lens regulating module can not make camera lens be created in displacement on the first axle because of the weight of camera lens, therefore can be with lens regulating module in order to the heavier camera lens of carrying.
Description of drawings
Fig. 1 adjusts the synoptic diagram of camera lens for existing a kind of projection lens adjusting gear;
Fig. 2 is the schematic perspective view of lens regulating module in one embodiment of the invention;
Fig. 3 is the vertical view of lens regulating module among Fig. 2;
Fig. 4 is the partial sectional view of lens regulating module among Fig. 2;
Fig. 5 is the partial sectional view of lens regulating module when first axle is adjusted among Fig. 4;
Fig. 6 to Fig. 9 is the assembling flow path figure of lens regulating module among Fig. 2;
Figure 10 is the schematic perspective view of the lens regulating module of another embodiment of the present invention;
Figure 11 is the synoptic diagram of the part of lens regulating module among Figure 10;
Figure 12 is the exploded view of Figure 11;
Figure 13 is the vertical view of the lens regulating module of further embodiment of this invention;
Figure 14 is the synoptic diagram that the lens regulating module of Figure 13 is adjusted along first axle.
The main element symbol description
50: camera lens
30,50a: optical center
60,60 ': moving range
100,100 ', 200: lens regulating module
110,210: base
120,120 ', 220: the first pallets
122: the first sliding sleeves
124: the first slide bars
130,230: the second pallets
132: the second sliding sleeves
134: the second slide bars
140: guide roller
150: the border locating part
160a: first rack rails
160b: first adjusts gear
160a ', 260a: guide screw bridge
160b ', 260b: lead screw counterpart
160c ', 260c: lead screw
160d ', 260d: first adjusts button
170a, 270a: second rack rails
170b, 270b: second adjusts gear
170c, 270c: flexible member
170d: gap screw
222: the first driver slots
240: rocking arm
Be driven post at 242: the first
244: the second driver slots
250: slide block
Be driven post at 252: the second
X: second axis
Y: first axle
Embodiment
The explanation of following each embodiment is with reference to additional accompanying drawing, can be in order to the specific embodiment of implementing in order to illustration the present invention.The direction term that the present invention mentioned, for example " on ", D score, " preceding ", " back ", " left side ", " right side " etc., only be direction with reference to attached drawings.Therefore, the direction term of use is to be used for explanation, but not is used for limiting the present invention.
Fig. 2 is the schematic perspective view of lens regulating module in one embodiment of the invention, and Fig. 3 is the front view of lens regulating module among Fig. 2.Please refer to Fig. 2 and Fig. 3, lens regulating module 100 can be adjusted the position of camera lens 50.
In the present embodiment, guide roller 140 all is the example explanation with a plurality of with border locating part 150, but the present invention is not as limit, those skilled in the art is when the guide roller 140 and border locating part 150 that can dispose other quantity according to circumstances, for example only dispose a guide roller 140 and a border locating part 150, but with the position limit of camera lens 50 in an imaging area of camera lens 50.Specifically, border locating part 150 can design according to a moving range 60, but moving range 60 then designs corresponding to an imaging area of camera lens 50.So, in the time of in optical center 50a is limited in moving range 60, but camera lens 50 will be limited in the imaging area.
For example, when the user adjusts to A ' when point along first axle Y by the A point with optical center 50a, guide roller 140 can move to a ' by a point and put and touch border locating part 150.When the user continues camera lens 50 when the forward of first axle Y moves, guide roller 140 can move to the b point along border locating part 150, and makes optical center 50a move to the B point, but just makes camera lens 50 reach the peak of imaging area.
In the present embodiment, limit the moving range of camera lens 50 by guide roller 140 and border locating part 150.Therefore, but when camera lens 50 moved to the border of imaging area, guide roller 140 can contact with border locating part 150, but and camera lens 50 can be directed to peak, minimum point, the most left point or the rightest point of imaging area.That is to say, but when user's desire is adjusted to the peak of imaging area or minimum point with camera lens 50, as long as adjust along first axle Y.When but desire is adjusted to the most left point of imaging area or at the rightest with camera lens 50, then as long as along the second axis X adjustment.So, can allow the user convenient more when adjusting camera lens 50.
In the present embodiment, lens regulating module 100 more can have one first rack rails 160a and one first adjustment gear 160b.The first rack rails 160a is fixedly held to first pallet, 120, the first adjustment gear 160b and is pivotally arranged on base 110, and is meshed with the first rack rails 160a.When the first adjustment gear 160b rotates, can drive the first rack rails 160a, and then drive first pallet 120.Therefore user rotatable first adjusts gear 160b to adjust the position of camera lens 50 along first axle Y.
In addition, lens regulating module 100 more can have one second rack rails 170a, one second and adjust a gear 170b and a flexible member 170c, and wherein the second rack rails 170a is sliding establishes to second pallet 130, and the second adjustment gear 170b is pivotally arranged on base 110.Flexible member 170c is provided between second pallet 130 and the second rack rails 170a, adjusts gear 170b to force the second rack rails 170a to be engaged in second.Therefore user rotatable second adjusts gear 170b to adjust the position of camera lens 50 along second axis X.
Fig. 4 is the partial sectional view of lens regulating module among Fig. 2, and Fig. 5 is the partial sectional view of lens regulating module when first axle is adjusted among Fig. 4.Please refer to Fig. 4 and Fig. 5, specifically, the second rack rails 170a can secure on second pallet 130 by a plurality of gap screw 170d, and forces the second rack rails 170a to adjust gear 170b near second by gap screw 170d and flexible member 170b.The user when first axle Y adjusts camera lens 50 (see figure 3)s, second pallet 130 can move along first axle Y, and the second rack rails 170a still can abut against on the second adjustment gear 170b by flexible member 170c, so that adjusting gear 170b, the second rack rails 170a and second keeps the state that engages, therefore, when the user adjusted lens location, second adjusts gear 170b can not move and change the position along with 50 of camera lens.
Fig. 6 to Fig. 9 is the assembling flow path figure of lens regulating module among Fig. 2.Please earlier with reference to Fig. 6 and Fig. 7, in the present embodiment, first pallet 120 more comprises a plurality of first sliding sleeves 122 and one first slide bar 124.These first slide bars 124 are installed on the base 110, and these first sliding sleeves 122 are set in respectively on these first slide bars 124, and first pallet 120 is installed on first sliding sleeve 122, and first pallet 120 can be moved along first axle Y.
Please be simultaneously with reference to Fig. 8 and Fig. 9, second pallet 130 more comprises a plurality of second sliding sleeves 132 and one second slide bar 134.Second slide bar 134 is installed on first pallet 120, and second sliding sleeve 132 is set on second slide bar 134, and second pallet 130 is installed on second sliding sleeve 132, and second pallet 130 can be moved along second axis X.
It should be noted that the mode of adjusting first pallet 120 along first axle Y is not limited to the embodiment that the above-mentioned first rack rails 160a and first adjusts gear 160b.
Figure 10 is the lens regulating module schematic perspective view of another embodiment of the present invention, and Figure 11 is the part synoptic diagram of lens regulating module among Figure 10, and Figure 12 is the exploded view of Figure 11.Please refer to Figure 10 to Figure 12, lens regulating module 100 ' comprises that a guide screw bridge 160a ', a lead screw counterpart 160b ', a lead screw 160c ' and one first adjust button 160d '.Guide screw bridge 160a ' is fixedly held to base 110, and lead screw counterpart 160b ' is fixedly held to first pallet 120 '.Lead screw 160c ' is arranged in guide screw bridge 160a ', and is meshed with lead screw counterpart 160b ', and the first adjustment button 160d ' is solidly connected to lead screw 160c '.
The user can make lead screw 160c ' rotation when rotating the first adjustment button 160d ', and the rotation of lead screw 160c ' can drive lead screw counterpart 160b ', and then first pallet 120 ' is moved along first axle Y.Owing in lens regulating module 100 ', use lead screw 160c ' and lead screw counterpart 160b ' to replace the first rack rails 160a and first and adjust gear 160b.Therefore, first pallet 120 ' can't move because of the weight of camera lens 50 positive dirction or the negative direction along first axle Y.So, can be with lens regulating module 100 ' in order to the heavier camera lens of carrying.
But camera lens 50 being limited in the imaging area with border locating part 150 with guide roller 140 in the above-described embodiments be example explanation, but the present invention is as limit, but those skilled in the art also other modes implement.
Figure 13 is the lens regulating module vertical view of further embodiment of this invention, and Figure 14 is that the lens regulating module of Figure 13 is along first axle adjustment figure.Please refer to Figure 13 and Figure 14, lens regulating module 200 comprises a base 210, one first pallet 220, one second pallet 230, a plurality of rocking arm 240 and a plurality of slide block 250.First pallet 220 is slidingly installed on the base 210 along a first axle Y, and has one first driver slot 222, and second pallet 230 is slidingly installed on first pallet 220 along one second axis X perpendicular to first axle Y, and wherein camera lens 50 is installed on second pallet 230.The configuration mode of base 210, first pallet 220 and second pallet 230 can be with reference to the configuration mode of base 110, first pallet 120 and second pallet 130 of above-mentioned Fig. 6 to Fig. 9.
Rocking arm 240 is hubbed on the base 210, and has one and be connected in first of first driver slot 222 and be driven post 242 and one second driver slot 244.Slide block 250 is established to base 210 along first axle Y is sliding, and have one and be connected in second of second driver slot 244 and be driven post 252, wherein the slip of first pallet 220 is driven post 242 via first driver slot 222 and first and orders about rocking arm 240 rotations, and the rotation of rocking arm 240 is driven post 252 via second driver slot 244 and second and orders about slide block 250 and slide, make slide block 250 slide corresponding to the slip of first pallet 220, limiting the scope that second pallet 230 slides along second axis X, but and allow the position limit of camera lens 50 in an imaging area of camera lens 50.Specifically, second driver slot 244 can design according to a moving range 60 ', but moving range 60 ' then designs corresponding to an imaging area of camera lens 50.So, when optical center 50a is limited in the moving range 60 ', but camera lens 50 will be limited in the imaging area.
For example, when first pallet 220 when the positive dirction of first axle Y moves, first driver slot 222 on first pallet 220 can drive first on the rocking arm 240 and be driven post 242, make first to be driven post 242 and to move, and second driver slot 244 on the rocking arm 240 is moved to the negative direction of first axle Y to the positive dirction of first axle Y.Second driver slot 244 mobile can drive second on the slide block 250 and be driven post 252, makes slide block 250 limit the sliding scale of second pallet 230 in second axis X near second pallets 230, but and then with the mobile imaging area that is limited in of camera lens 50.In the present embodiment, lens regulating module 200 can comprise that more a guide screw bridge 260a, a lead screw counterpart 260b, a lead screw 260c and one first adjust button 260d.Guide screw bridge 260a, lead screw counterpart 260b, lead screw 260c and first adjust the by way of example of button 260d can adjust button 160d ' with reference to above-mentioned guide screw bridge 160a ', lead screw counterpart 160b ', lead screw 160c ' and first, seldom does at this and gives unnecessary details.Moreover, the guide screw bridge 260a of lens regulating module 200, lead screw counterpart 260b, lead screw 260c and first adjust button 260d also can adjust gear 160b replacement by the first rack rails 160a and first of above-mentioned lens regulating module 100, and first pallet 220 is moved along first axle Y.
In addition, lens regulating module 200 can comprise that more one second rack rails 270a, one second adjusts a gear 270b and a flexible member 270c.The second rack rails 270a, second adjusts the embodiment of gear 270b and flexible member 270c can adjust gear 170b and flexible member 170c with reference to the above-mentioned second rack rails 170a, second, also seldom does at this and gives unnecessary details.
In sum, owing in the lens regulating module of present embodiment, limit the moving range of camera lens with guide roller and border locating part (also or slide block and rocking arm).Therefore, but when camera lens moved to the border of imaging area, guide roller can contact with the border locating part, but and camera lens can be directed to the peak or the minimum point of imaging area.That is to say, when but user's desire is adjusted to the peak of imaging area or minimum point with camera lens, as long as along the first axle adjustment, if but camera lens has reached the border of imaging area during also not to peak or minimum point, the user is as long as continue along the first axle adjustment, but guide roller and border locating part promptly can be directed to camera lens the peak or the minimum point of imaging area.So, can allow the user convenient more when adjusting camera lens.
In addition, in one embodiment of this invention, when but desire is adjusted to the most left point of imaging area or at the rightest with camera lens, also as long as along the second axis adjustment, if but camera lens has reached the border of imaging area at the rightest during also not to the most left point or, the user is as long as continue along the second axis adjustment, but guide roller and border locating part promptly can be directed to camera lens the most left point or the rightest point of imaging area.
In addition, lens regulating module can have a lead screw and other relevant parts that cooperates, in order to adjust the position of camera lens on first axle.So, lens regulating module can not make camera lens be created in displacement on the first axle because of the weight influence that is subjected to camera lens, thereby lens regulating module can be used to carry heavier camera lens.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the accompanying Claim person of defining.Arbitrary embodiment of the present invention in addition or claim must not reached the disclosed whole purposes of the present invention or advantage or characteristics.In addition, summary part and title only are the usefulness that is used for assisting the patent document search, are not to be used for limiting interest field of the present invention.
Claims (8)
1. lens regulating module is used to adjust the position of camera lens, and this lens regulating module comprises:
Base;
First pallet is slidingly installed on this base along first axle;
Second pallet is slidingly installed on this first pallet along second axis perpendicular to this first axle, and wherein this camera lens is installed on this second pallet;
At least one guide roller rotatably is arranged at this second pallet; And
At least one border locating part is fixedly held to this base, and wherein this guide roller is used for rollably contacting with this border locating part, but with the position limit of this camera lens in the imaging area of this camera lens.
2. lens regulating module as claimed in claim 1 more comprises:
First rack rails is fixedly held to this first pallet; And
First adjusts gear, is pivotally arranged on this base, and is meshed with this first rack rails.
3. lens regulating module as claimed in claim 1 more comprises:
The guide screw bridge is fixedly held to this base;
The lead screw counterpart is fixedly held to this first pallet;
Lead screw is arranged in this guide screw bridge, and is meshed with this lead screw counterpart; And
First adjusts button, is solidly connected to this lead screw.
4. lens regulating module as claimed in claim 1 more comprises:
Second rack rails, sliding establishing to this second pallet;
Second adjusts gear, is pivotally arranged on this base; And
Flexible member is provided between this second pallet and this second rack rails, engages this second adjustment gear to force this second rack rails.
5. lens regulating module is used to adjust the position of camera lens, and this lens regulating module comprises:
Base;
First pallet is slidingly installed on this base along first axle, and has first driver slot;
Second pallet is slidingly installed on this first pallet along second axis perpendicular to this first axle, and wherein this camera lens is installed on this second pallet;
At least one rocking arm is hubbed on this base, and has and be connected in first of this first driver slot and be driven the post and second driver slot; And
At least one slide block, establish to this base along this first axle cunning, and have and be connected in second of this second driver slot and be driven post, wherein the slip of this first pallet is driven post via this first driver slot and this first and orders about this rocking arm rotation, and the rotation of this rocking arm is driven post via this second driver slot and this second and orders about this slide block and slide, make this slide block slide corresponding to the slip of this first pallet, limiting the scope that this second pallet slides along this second axis, but and allow the position limit of this camera lens in the imaging area of this camera lens.
6. lens regulating module as claimed in claim 5 more comprises:
First rack rails is fixedly held to this first pallet; And
First adjusts gear, is pivotally arranged on this base, and is meshed with this first rack rails.
7. lens regulating module as claimed in claim 5 more comprises:
The guide screw bridge is fixedly held to this base;
The lead screw counterpart is fixedly held to this first pallet;
Lead screw is arranged in this guide screw bridge, and is meshed with this lead screw counterpart; And
First adjusts button, is solidly connected to this lead screw.
8. lens regulating module as claimed in claim 5 more comprises:
Second rack rails, sliding establishing to this second pallet;
Second adjusts gear, is pivotally arranged on this base; And
Flexible member is provided between this second pallet and this second rack rails, engages this second adjustment gear to force this second rack rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101612645A CN101398520B (en) | 2007-09-25 | 2007-09-25 | Lens regulating module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101612645A CN101398520B (en) | 2007-09-25 | 2007-09-25 | Lens regulating module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101398520A CN101398520A (en) | 2009-04-01 |
| CN101398520B true CN101398520B (en) | 2010-09-15 |
Family
ID=40517199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101612645A Expired - Fee Related CN101398520B (en) | 2007-09-25 | 2007-09-25 | Lens regulating module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101398520B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995742B (en) * | 2009-08-19 | 2012-07-04 | 扬明光学股份有限公司 | Projective module and adjusting mechanism thereof |
| CN102062921B (en) * | 2009-11-18 | 2012-05-30 | 中强光电股份有限公司 | Position prompt device and lens regulation module |
| CN102081287B (en) * | 2009-11-30 | 2012-06-27 | 亚洲光学股份有限公司 | Projection device |
| CN102004368B (en) * | 2010-09-07 | 2013-09-04 | 深圳雅图数字视频技术有限公司 | Lens displacement adjusting device |
| CN103034026A (en) * | 2011-09-29 | 2013-04-10 | 索尼公司 | Lens position adjusting mechanism and projection device with same |
| CN103064230B (en) * | 2011-10-19 | 2016-03-09 | 鸿富锦精密工业（深圳）有限公司 | Focus control |
| CN103217797A (en) * | 2012-01-19 | 2013-07-24 | 中强光电股份有限公司 | Optical switching module and projection optical system thereof |
| CN104834150A (en) * | 2014-02-11 | 2015-08-12 | 索尼公司 | Lens adjusting device and projection device provided therewith |
| CN106324960B (en) | 2015-07-07 | 2018-10-30 | 中强光电股份有限公司 | Projection arrangement and camera lens module |
| CN107561664B (en) * | 2015-08-27 | 2020-07-14 | 苏州佳世达光电有限公司 | Lens supporting device and projection device |
| CN107087092A (en) * | 2017-05-31 | 2017-08-22 | 广东欧珀移动通信有限公司 | The casing assembly and electronic equipment of electronic equipment |
| CN107087091A (en) * | 2017-05-31 | 2017-08-22 | 广东欧珀移动通信有限公司 | The casing assembly and electronic equipment of electronic equipment |
| CN109725479B (en) | 2017-10-31 | 2021-08-10 | 中强光电股份有限公司 | Projector and lens module |
| WO2021190458A1 (en) * | 2020-03-23 | 2021-09-30 | 青岛海信激光显示股份有限公司 | Projector device |
| CN114077128A (en) * | 2020-08-11 | 2022-02-22 | 深圳光峰科技股份有限公司 | Lens adjusting device and projection equipment |
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| US5825559A (en) * | 1997-06-27 | 1998-10-20 | Eastman Kodak Company | Optical assembly having a dual purpose focus |
| CN1353320A (en) * | 2000-11-13 | 2002-06-12 | 台达电子工业股份有限公司 | Optical lens module able to be 2D regulated |
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|---|---|
| CN101398520A (en) | 2009-04-01 |
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