CN100366057C - Lens retracting mechanism and its retracting method - Google Patents
Lens retracting mechanism and its retracting method Download PDFInfo
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- CN100366057C CN100366057C CNB2005100969124A CN200510096912A CN100366057C CN 100366057 C CN100366057 C CN 100366057C CN B2005100969124 A CNB2005100969124 A CN B2005100969124A CN 200510096912 A CN200510096912 A CN 200510096912A CN 100366057 C CN100366057 C CN 100366057C
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- camera lens
- bearing
- lenses
- cam mechanism
- camera
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Abstract
The present invention provides a lens retracting mechanism by which a lens can be retracted from a shooting state into containing space in a slope-retreating method and a corresponding retracting method thereof. The lens retracting mechanism comprises a support seat, a frame capable of moving correspondingly along a shooting optical-axis direction of the lens of the support seat, a guide axis and a lens-group support seat fixedly clamped with one lens group, wherein the support seat comprises a base plate, a guide track arranged on the base plate, and the containing space, one end of the guide axis is connected with the frame but can not move correspondingly to the frame, and the lens-group support seat comprises a glide part capable of moving along the guide track. When the lens retracts, the frame pulls the guide axis to move along a shooting optical axis direction towards a direction close to the base plate; the lens-group support seat can move long a guide track under the combined action of the guide axis and the guide track, can simultaneously move correspondingly to the guide axis, and finally can fall into the containing space of a deviating axis. The lens-retracting mechanism has the advantages of stable retraction and difficult fault occurrence.
Description
[technical field]
The present invention relates to a kind of retractable lens that is installed on the optical image capturing devices such as camera, video camera, refer to a kind of camera lens cam mechanism and retraction method thereof especially.
[background technology]
In order to allow the user use same camera to take far and near different scenery, optical image capturing devices such as present digital camera and Digital Video all are equipped with zoom lens, stretching and retraction by camera lens are regulated the focal position, and far and near different scenery can both accurately be imaged on the image-forming assembly.For aforementioned optical image capturing device, its zoom multiple is big more, and the extension elongation of lens barrel is just long more, but the user can't mind the lens length when taking usually, but is concerned about whether the camera (video camera) behind the camera lens retraction is enough compact so that carry.
Traditional camera lens cam mechanism sees also shown in Figure 1, and this camera lens comprises lens barrel 9 and be accommodated in the first mirror group 91, the second mirror group 92 and the 3rd mirror group 93 in the lens barrel 9 that this three arrangements of mirrors group 91,92,93 all is accommodated in the certain space along optical axis Z0.This container structure makes that the thickness of taking in of camera lens must be greater than three arrangement of mirrors groups' gross thickness, so corresponding optical image capturing device is difficult to controlled along the thickness of optical axis direction owing to be subjected to the restriction of the thickness of every arrangement of mirrors group own.
For the thickness after reducing camera lens and taking in, more existing on the market cameras have adopted the container structure and the accommodation method that can make the mirror group depart from the optical axis retraction, Caplio R1 model digital camera as company of Ricoh, wherein when camera lens bounces back, the mirror group is taken in fuselage along axis before the camera lens, then the mirror group is then stretched out to the fuselage both sides abaxial, makes many arrangements of mirrors group " enumerate " at optical axis direction like this, thereby has reduced the thickness of taking in of camera lens.
And for example, Bin De company is the Pentax Optio S50 model digital camera of issue recently, it adopts the design of slidingtype camera lens group, after shutting camera power supply, camera lens just can bounce back to fuselage, the mirror group of central authorities can upwards be risen when retraction, avoids along the front and back two mirror groups of optical axis retraction the thickness that eyeglass overlaps in the time of therefore can lowering the camera lens collection greatly.
Similarly camera lens retraction technology also can be with reference to No. the 20040228626th, TOHKEMY 2004-317943 number, TOHKEMY 2004-361657 number, TOHKEMY 2004-361921 number and U.S. Patent Application Publication.Wherein, U.S. Patent Application Publication has disclosed a kind of camera lens cam mechanism No. 20040228626, and this camera lens can be made stretching motion between shooting state and receiving state, and it comprises three arrangement of mirrors groups, mirror group, back mirror group and focusing lens group before being respectively.When camera lens from shooting state when receiving state moves, this camera lens cam mechanism allows at least one arrangement of mirrors group to bounce back to a receiving space to departing from optical axis direction from optical axis; When camera lens from receiving state when shooting state moves, this camera lens cam mechanism makes that depart from least one mirror group that optical axis accommodates reaches on the optical axis.This camera lens cam mechanism has disclosed back mirror group's retraction process in one embodiment, promptly drive a driving gear and the mutual interlock of driven gear ground rotation by the rotation that is arranged on the driven wheel on the stepper motor, because driven gear is installed on a back mirror group bearing that is used for mirror group behind the fixing, so the rotation of driven gear drives back mirror group bearing again away from axis movement, thereby make the back mirror group who is installed on the mirror group bearing of back be retracted into the receiving space that departs from optical axis from optical axis.This camera lens cam mechanism is because used a plurality of gears, structure is quite complicated, and must guarantee between driven wheel and the driving gear and the tight and synchronized movement of equal interlock between driving gear and the driven gear, as long as have a tooth of a gear to go wrong, just then this camera lens cam mechanism can't be realized its function.In addition, will inevitably wear and tear after the gear prolonged exercise, cause easily to occur cooperating mistake between two gears that cooperatively interact.
In view of the foregoing, be necessary very much to provide a kind of camera lens cam mechanism of simple and durable, and the method that bounces back accordingly, to address the above problem.
[summary of the invention]
The object of the present invention is to provide a kind of camera lens cam mechanism and corresponding retraction method of carrying out retracting motion in the inclined-plane mode of keeping out of the way.
According to above-mentioned purpose of the present invention, the invention provides a kind of camera lens that can make and retract to the camera lens cam mechanism in the accommodation space and the method that bounces back accordingly from shooting state.This camera lens comprises at least one set of lenses, this camera lens cam mechanism comprises bearing, the framework that moves along the camera axis direction of camera lens of bearing relatively, and be connected on the framework and be used for the set of lenses bearing of the described set of lenses of fixing, wherein said bearing includes the substrate perpendicular to camera axis, the substrate of described bearing is provided with the guiding walls perpendicular to substrate, guiding walls is provided with first guide rails, described first guide rails comprises the inclined-plane, the two ends, inclined-plane are not contour apart from substrate surface, also are formed with an accommodation space that is used to take in the set of lenses bearing behind the retraction on the described substrate; This camera lens cam mechanism also includes an end and is connected in framework and with framework second guide rails of relative motion does not take place; Described set of lenses bearing is connected in second guide rails slidably, described set of lenses bearing includes the slipping part that slides along the inclined-plane of first guide rails, when camera lens bounces back, described set of lenses will be left optical axis under the drive of set of lenses bearing, and will utilize described slipping part to slide into accommodation space along the inclined-plane.
The retraction method of camera lens cam mechanism of the present invention comprises: framework is activated power and moves towards close substrate along parallel camera axis direction; Guide shaft is subjected to the pulling force of framework and moves to close substrate along parallel camera axis direction; And the set of lenses bearing be subjected to guide rails and guide shaft acting in conjunction power and along the inclined-plane to moving near substrate and away from the direction of camera axis, again along vertical plane towards near substrate motion, second set of lenses is kept out of the way beyond the center of camera axis, fall in the accommodation space.
Compared with prior art, camera lens cam mechanism of the present invention carries out retracting motion in the inclined-plane mode of keeping out of the way, all match between slipping part and the inclined-plane and between set of lenses bearing and the guide shaft with sliding type, this cooperation is simple and reliable, in the relative motion process, be difficult for breaking down, so can guarantee the steady and long perfomance life of this camera lens cam mechanism retraction.
[description of drawings]
Fig. 1 is the cross-sectional schematic that known camera lens is in receiving state.
Fig. 2 is the cross-sectional schematic that camera lens of the present invention is in shooting state.
Fig. 3 is the cross-sectional schematic that camera lens of the present invention is in receiving state.
Fig. 4 is the three-dimensional exploded view of the second set of lenses cam mechanism of camera lens of the present invention.
Fig. 5 is a camera lens of the present invention when being in shooting state, the simplification stereogram of the second set of lenses cam mechanism.
Fig. 6 is a retraction process schematic diagram, camera lens of the present invention mainly is shown retracts to the process of receiving state from shooting state, the A that the set of lenses bearing successively experiences, B, C position.
Fig. 7 and Fig. 6 are similar, are the retraction process from the set of lenses bearing shown in another angle.
[embodiment]
Camera lens cam mechanism of the present invention is applied to the retractable lens in the optical photography devices such as camera, video camera.With the camera is example, and under the state of camera shutdown, camera lens is in receiving state; Open camera, then camera lens reaches general user mode; Under general user mode, regulate lens focus, can make camera lens protrude into the state of dolly-out,ing dolly-back forward or retract to macro state backward along camera axis.Alleged " camera lens retraction " is meant that camera lens is withdrawn into receiving state from general user mode, the shooting states such as state and macro state of dolly-out,ing dolly-back among the present invention.Fig. 2 is the cross-sectional schematic that camera lens 100 of the present invention is in shooting state, and Fig. 3 is in the cross-sectional schematic of receiving state for camera lens 100 of the present invention.
Please refer to shown in Figure 2, retractable lens 100 of the present invention comprise optical system and in order to accommodate, mechanism's part of fixing, connection, traction optical system.Optical system comprises that mainly one is positioned at the image-forming assembly (as charge coupled device CCD) 120 on the camera axis Z1, and according to first set of lenses 111, second set of lenses 112 and the 3rd set of lenses 113 that draw near and arrange along camera axis Z1 with the distance of image-forming assembly 120 distances.At camera lens 100 in general shooting state, the process that moves of dolly-out,ing dolly-back between the different shooting states such as state and macro state, second set of lenses 112 length that is used to focus, the 3rd set of lenses 113 is used to change the focal position.According to one embodiment of present invention, when shutdown, the retraction action of first set of lenses 111 and the 3rd set of lenses 113 is all carried out along camera axis Z1 direction, all belongs to known techniques, so locate to repeat no more.Introduce mainly below that the present invention is used for making second set of lenses 112 depart from optical axis and mechanism's part of bouncing back.
Please refer to shown in Figure 4; the present invention's second set of lenses cam mechanism 130 comprises bearing 131, be used for the set of lenses bearing 132 of fixing second set of lenses 112, can be connected in shutter 133 on the set of lenses bearing 132 with pushing, can along camera axis Z1 towards or deviate from framework 134 that bearing 131 moves, in order to the guide shaft 135 that connects set of lenses bearing 132 and framework 134, be used to protect the lid 136 of second set of lenses 112, and be used for fixing, connect the coupling assembling 138 of described set of lenses bearing 132, framework 134 and bearing 131.
Please refer to shown in Figure 5ly, Fig. 5 wherein only demonstrates the critical piece in the second set of lenses cam mechanism 130 for the schematic diagram through the second set of lenses cam mechanism 130 simplified.Bearing 131 comprises perpendicular to the substrate 1311 of camera axis direction setting and from substrate vertically extending two guiding walls 1312 that are parallel to each other that make progress.Substrate 1311 is used for fixing image-forming assembly 120, and its upper surface offers an accommodation space 1315, in order to take in the set of lenses bearing 132 behind the retraction.Each guiding walls 1312 all has an inclined-plane 1313, and its two ends are not contour apart from substrate 1311 surfaces, and the vertical plane 1314 that connects bottom, inclined-plane (end of the most close substrate 1311 on the inclined-plane 1313) and substrate 1311 surfaces.Above-mentioned " camera axis direction " is meant the general designation of the direction that is parallel to camera axis Z1, is the above-below direction of drawing in Fig. 5.
See also Fig. 4 and shown in Figure 7, set of lenses bearing 132 comprises a main part 1321 and the crook 1322 that stretches out from main part 1321.Offer the host cavity 1323 that is used to accommodate second set of lenses 112 on the main part 1321, when camera lens was in shooting state, the position of this host cavity 1323 was corresponding with image-forming assembly 120.The both sides of main part 1321 offer long and narrow groove 1324 along the direction that is parallel to plane, substrate 1311 place respectively, in order to accommodate guide shaft 135, the cross section of this groove 1324 is circular-arc, so that match, make set of lenses bearing 132 slide into first end 1351 by second end 1352 along guide shaft 135 surfaces from guide shaft with the surface of guide shaft 135.On the sidewall of set of lenses bearing 132, below two grooves 1324 respectively to the slipping part 1325 that a near cylindrical is arranged away from the projection of camera axis Z1 direction, the extension elongation of this slipping part 1325 just can ride on the inclined-plane 1313 it.The below of set of lenses bearing 132 is connected with a compression spring (not shown) respectively in the position near two slipping parts 1325, and it can provide along the elastic force of camera axis direction.
Framework 134 comprises a roof 1348 and an annular sidewall 1349.Second lens, 112 corresponding positions (promptly with image-forming assembly 120 corresponding positions) with shooting state on the roof 1348 offer first light hole 1341, offer second light hole 1342 in the position corresponding with second lens 112 of receiving state.Offer a fracture 1343 on the annular sidewall 1348, on the symmetric position of fracture 1342 both sides, offer two through hole 1344 again, in order to accommodate first end 1351 of guide shaft 135.Annular sidewall 1348 is looped around set of lenses bearing 132 wherein by guide shaft 135.The bearing of trend of guide shaft 135, promptly it is axial, with substrate 1311 place plane parallel.
Fig. 5 demonstrates cooperating between set of lenses bearing 132 and the framework 134, and Fig. 6 and Fig. 7 demonstrate the motion process of set of lenses bearing 132 and guide shaft 135.Shutter 133 can be fixed together with set of lenses bearing 132, promptly follows set of lenses bearing 132 and moves together; Also can be separated with set of lenses bearing 132, promptly when 132 motions of set of lenses bearing, shutter 133 is motionless.
When camera lens 100 is in as shown in Figure 2 shooting state, set of lenses bearing 132 and guide shaft 135 are in Fig. 6 and A position shown in Figure 7, at this moment, just built is on the top on inclined-plane 1313 (on the inclined-plane 1313 apart from substrate 1311 end farthest) for slipping part 1325, and second end 1352 of guide shaft 135 is accommodated in the groove 1324.When the user closed camera, camera lens began retraction from shooting state.The retraction method of camera lens cam mechanism of the present invention mainly may further comprise the steps: at first framework 134 is subjected to beginning along the camera axis direction towards moving near substrate 1311 from the actuating force of camera inside, and drive an end two guide shafts 135 fixed thereon and rely on substrate 1311 motion, so, 135 pairs of set of lenses bearings 132 of guide shaft apply the pulling force towards substrate 1311, and set of lenses bearing 132 is accepted holding power from the vertical inclined-plane 1313 on inclined-plane 1313 by slipping part 1325, under the force action of this pulling force and holding power, set of lenses bearing 132 shows as 1313 downward the moving along the inclined-plane generally, in this motion process, set of lenses bearing 132 is followed guide shaft 135 on the one hand to moving near substrate 1311, the component of also giving by inclined-plane 1313 and moving on the other hand with respect to first end 1351 of guide shaft 135 towards guide shaft 135, second set of lenses 112 is kept out of the way beyond the center of camera axis Z1, the purpose of camera lens reduced down in thickness when reaching camera lens and taking in.When framework 134 moved down into certain position, slipping part slided into 1313 bottoms, inclined-plane for 1325 times, and set of lenses bearing 132 please refer to the B position among Fig. 6 and Fig. 7 near first end 1351 of guide shaft 135.Afterwards, framework 134 continues traction guide shaft 135 to moving near substrate 1311, slipping part 1325 continues to moving near substrate 1311 along the vertical plane 1314 of guiding walls 1312, but between set of lenses bearing 132 and the guide shaft 135 relative displacement takes place no longer, fall into the accommodation space 1315 of substrate 1311 until framework 134 and set of lenses bearing 132, please refer to the C position among Fig. 6 and Fig. 7.Set of lenses bearing 132 by the B position in the process that move the C position, the compression spring that is connected in set of lenses bearing 132 belows is squeezed between set of lenses bearing 132 and the substrate 1311.When camera lens 100 stretches out, this compression spring can provide along the elastic force of camera axis direction upspring for the set of lenses bearing and along vertical plane 1314 and inclined-plane 1313 to moving away from substrate 1311 and near the direction of camera axis Z1, the process of stretching out of camera lens 100 is opposite with retraction process, does not repeat them here.
In camera lens cam mechanism of the present invention and the retraction method, set of lenses bearing 132 utilizes the guide rails (being mainly inclined-plane 1313) on the bearing 131 to do with sliding type to keep out of the way retraction, all match with sliding type between slipping part 1325 and the inclined-plane 1313 and between set of lenses bearing 132 and the guide shaft 135, this cooperation is simple and reliable.Above-mentioned cam mechanism and retraction method are equally applicable to first set of lenses 111 and the 3rd set of lenses 113, even contain the arbitrary set of lenses in the camera lens of the set of lenses more than three, are applicable to that also two groups and two groups of above set of lenses bounce back simultaneously.Shutter 133 can be followed set of lenses bearing 132 and be kept out of the way retraction together, reaches the extra-thin purpose of camera lens.
Claims (21)
1. camera lens cam mechanism that can make camera lens retract to accommodation space from shooting state, described camera lens comprises at least one set of lenses, this camera lens cam mechanism comprises bearing, the framework that moves along the camera axis direction of camera lens of bearing relatively, and be connected on the framework and be used for the set of lenses bearing of the described set of lenses of fixing, wherein said bearing includes the substrate perpendicular to camera axis, it is characterized in that: the substrate of described bearing is provided with the guiding walls perpendicular to substrate, guiding walls is provided with first guide rails, described first guide rails comprises the inclined-plane, the two ends, inclined-plane are not contour apart from substrate surface, also are formed with an accommodation space that is used to take in the set of lenses bearing behind the retraction on the described substrate; This camera lens cam mechanism also includes an end and is connected in framework and with framework second guide rails of relative motion does not take place; Described set of lenses bearing is connected in second guide rails slidably, described set of lenses bearing includes the slipping part that slides along the inclined-plane of first guide rails, when camera lens bounces back, described set of lenses will be left optical axis under the drive of set of lenses bearing, and will utilize described slipping part to slide into accommodation space along the inclined-plane.
2. camera lens cam mechanism as claimed in claim 1 is characterized in that: described first guide rails also comprises perpendicular with substrate and is connected the vertical plane of inclined-plane and substrate.
3. camera lens cam mechanism as claimed in claim 2 is characterized in that: offer the groove that is parallel to substrate on the sidewall of described set of lenses bearing, be used to accommodate second guide rails.
4. camera lens cam mechanism as claimed in claim 3, it is characterized in that: the sidewall of described set of lenses bearing outwards is equipped with described slipping part, when slipping part when the inclined-plane moves, the set of lenses bearing moves with respect to second guide rails, when slipping part when vertical plane moves, do not have relative motion between the set of lenses bearing and second guide rails.
5. camera lens cam mechanism as claimed in claim 4 is characterized in that: described second guide rails is a guide shaft, and it is axially perpendicular to the camera axis direction.
6. camera lens cam mechanism as claimed in claim 1 or 2 is characterized in that: be fixed with image-forming assembly in the described bearing, this image-forming assembly is positioned on the camera axis.
7. camera lens cam mechanism as claimed in claim 6 is characterized in that: described framework comprises annular sidewall, offers the through hole that is used to accommodate the guide shaft end on it.
8. camera lens cam mechanism as claimed in claim 7 is characterized in that: described framework comprises a roof, offers first light hole with the corresponding position of image-forming assembly on it.
9. camera lens cam mechanism as claimed in claim 6, wherein the below of set of lenses bearing is equipped with the compression spring.
10. camera lens cam mechanism, this camera lens cam mechanism comprises bearing; The framework that can move relative to bearing; But be arranged on the framework and the set of lenses bearing of fixing camera lens set of lenses; And be arranged at guiding device between bearing and the framework, it is characterized in that: described guiding device comprises the guide rails that is arranged at the relative camera axis inclination on the bearing, and its direction that tilts along relative camera axis in order to guiding camera lens set of lenses is slided and set of lenses is moved apart this camera axis.
11. camera lens cam mechanism as claimed in claim 10 is characterized in that: described guide rails is an inclined-plane.
12. camera lens cam mechanism as claimed in claim 11 is characterized in that: described set of lenses bearing is provided with the slipping part that can slide along the inclined-plane.
13. camera lens cam mechanism as claimed in claim 10 is characterized in that: described guiding device comprises the guide shaft of connecting frame and set of lenses bearing.
14. camera lens cam mechanism as claimed in claim 13 is characterized in that: described guide shaft be axially perpendicular to camera axis.
15. the retraction method of a camera lens cam mechanism, this camera lens cam mechanism comprises bearing, framework, is arranged at the guiding device between bearing and the framework, and be connected in the set of lenses bearing that framework is used to accommodate the camera lens set of lenses, it is characterized in that: described guiding device comprises the guide rails that is arranged at the relative camera axis inclination on the bearing, described camera lens retraction method comprises the steps: that framework moves towards close bearing along optical axis direction, and the drive lens group bearing is shifted to bearing and moved apart optical axis along the guide rails that guiding device provided.
16. the retraction method of camera lens cam mechanism as claimed in claim 15 is characterized in that: described camera lens cam mechanism also comprises the guide shaft of connecting frame and set of lenses bearing, guide shaft is subjected to the pulling force of framework and moves to close bearing along the camera axis direction.
17. the retraction method of camera lens cam mechanism as claimed in claim 16 is characterized in that: described set of lenses bearing slides in the acting in conjunction power lower edge of guiding device and guide shaft guide rails.
18. the retraction method of camera lens cam mechanism as claimed in claim 17 is characterized in that: described set of lenses bearing is in also guide shaft slip relatively when guide rails is slided.
19. the retraction method of camera lens cam mechanism as claimed in claim 16, it is characterized in that: described guiding device comprise the axial vertical plane of directional light and with optical axis direction inclined-plane in a certain angle, the set of lenses bearing be provided with can be successively along the inclined-plane and the slipping part that moves of vertical plane.
20. the retraction method of camera lens cam mechanism as claimed in claim 19 is characterized in that: in the process that described slipping part moves along the inclined-plane, the set of lenses bearing moves with respect to guide shaft.
21. the retraction method of camera lens cam mechanism as claimed in claim 20 is characterized in that: in the process that described slipping part moves along vertical plane, the set of lenses bearing is guide shaft motion relatively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100969124A CN100366057C (en) | 2005-08-26 | 2005-08-26 | Lens retracting mechanism and its retracting method |
| HK06104221A HK1084274A1 (en) | 2005-08-26 | 2006-04-06 | Lens retraction apparatus and retracting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100969124A CN100366057C (en) | 2005-08-26 | 2005-08-26 | Lens retracting mechanism and its retracting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1731830A CN1731830A (en) | 2006-02-08 |
| CN100366057C true CN100366057C (en) | 2008-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100969124A Expired - Fee Related CN100366057C (en) | 2005-08-26 | 2005-08-26 | Lens retracting mechanism and its retracting method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100366057C (en) |
| HK (1) | HK1084274A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112006003999B4 (en) * | 2006-09-15 | 2016-12-15 | Trimble Jena Gmbh | Correction of calibration errors in an optical instrument |
| CN101808191B (en) * | 2009-02-16 | 2013-03-20 | 鸿富锦精密工业（深圳）有限公司 | Shockproof camera module |
| CN106506913B (en) | 2016-10-26 | 2019-07-26 | 捷开通讯(深圳)有限公司 | A kind of Telescopic pick-up head mechanism and electronic equipment |
| CN108903112B (en) * | 2018-07-20 | 2020-03-06 | 上海钜星科技有限公司 | Panoramic camera lifting mechanism and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158433A (en) * | 1995-12-08 | 1997-09-03 | 株式会社尼康 | Camera provided with sliding cover |
| CN2560974Y (en) * | 2002-08-07 | 2003-07-16 | 坤联(厦门)照相器材有限公司 | Lens |
| CN1439929A (en) * | 2002-02-21 | 2003-09-03 | 宾得株式会社 | Telescopic lens system and method for the same system |
| CN1485671A (en) * | 2002-08-27 | 2004-03-31 | ������������ʽ���� | Cam mechanism of a photographing lens |
| US20040228626A1 (en) * | 2003-05-15 | 2004-11-18 | Fuji Photo Film Co., Ltd. | Shooting apparatus and lens barrel |
-
2005
- 2005-08-26 CN CNB2005100969124A patent/CN100366057C/en not_active Expired - Fee Related
-
2006
- 2006-04-06 HK HK06104221A patent/HK1084274A1/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158433A (en) * | 1995-12-08 | 1997-09-03 | 株式会社尼康 | Camera provided with sliding cover |
| CN1439929A (en) * | 2002-02-21 | 2003-09-03 | 宾得株式会社 | Telescopic lens system and method for the same system |
| CN2560974Y (en) * | 2002-08-07 | 2003-07-16 | 坤联(厦门)照相器材有限公司 | Lens |
| CN1485671A (en) * | 2002-08-27 | 2004-03-31 | ������������ʽ���� | Cam mechanism of a photographing lens |
| US20040228626A1 (en) * | 2003-05-15 | 2004-11-18 | Fuji Photo Film Co., Ltd. | Shooting apparatus and lens barrel |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1084274A1 (en) | 2006-07-21 |
| CN1731830A (en) | 2006-02-08 |
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