CN103135316B - Zoom lens mechanism and camera head thereof - Google Patents
Zoom lens mechanism and camera head thereof Download PDFInfo
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- CN103135316B CN103135316B CN201110388022.6A CN201110388022A CN103135316B CN 103135316 B CN103135316 B CN 103135316B CN 201110388022 A CN201110388022 A CN 201110388022A CN 103135316 B CN103135316 B CN 103135316B
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Abstract
The invention provides a kind of zoom lens mechanism and camera head thereof, comprise: a moving cylinder, its outer rim perisporium has one first and guides salient point; One zoom drive ring, is sheathed on the periphery wall of moving cylinder, and the outer rim perisporium of zoom drive ring has a groove hole and one first drive division; One stationary magazine creel, is sheathed on the periphery wall of zoom drive ring, and the inner edge perisporium of stationary magazine creel has one first groove, and first guides salient point through groove hole, and embeds the first groove; And one focusing driving ring, be adjacent to one end of zoom drive ring, the outer rim perisporium of focusing driving ring has one second drive division, and be embedded in the first drive division and the second drive division by a driver module simultaneously, to make zoom drive ring and focusing driving ring forward or retrograde rotation, and carry out zoom or focusing.Beneficial effect of the present invention for: reduce the space needed for the assembly of product and assembly, to reduce costs; Improve zoom hop count.
Description
Technical field
The present invention relates to a kind of lens construction, espespecially one can reduce costs, and reduces volume, improves zoom lens mechanism and the camera head thereof of zoom hop count.
Background technology
At present, camera most on the market all has the function of zoom and focusing, and with current most camera, zoom and the focusing of its camera lens are utilize two motors to carry out drived control respectively, and camera also needs two groups of control circuits carrying out calculating and CD-ROM drive motor simultaneously, therefore the construction cost of camera is higher, and when product design, more need more arrangement of components space, for today of current product day by day miniaturization, the design using two motors to carry out zoom and focusing is a large obstacle undoubtedly.
Therefore, for improving above-mentioned reason, just some camera adopts the groove being provided with custom design at lens barrel inner peripheral, during to make the ad-hoc location of camera lens after carrying out zoom action and completing, focus-variable lens is fixed, and can carry out only having moving focus lens and reaching the object of focusing.But, use the trench design of custom design, because it need comprise focusing and zoom simultaneously, so under the limited anglec of rotation, and the hop count of zoom be restricted, so adopt the trench design of custom design at present, be mostly the zoom design of 3 segmentations.
Described in before taking a broad view of, the present inventor thinks and designs a kind of zoom lens mechanism and camera head thereof, is improved with the disappearance for prior art, and then the enforcement in enhancement industry utilizes.
Summary of the invention
Object of the present invention, be to provide a kind of reduce product assembly and requisite space thus reduce costs, improve again zoom lens mechanism and the camera head thereof of zoom hop count by structural design.
For achieving the above object, the present invention is by the following technical solutions:
A kind of zoom lens mechanism, it comprises:
One moving cylinder is hollow cylindrical configuration, and its outer rim perisporium has one first and guides salient point;
One zoom drive ring is hollow cylindrical configuration, is sheathed on the periphery wall of described moving cylinder, and the outer rim perisporium of described zoom drive ring has a groove hole and one first drive division;
One stationary magazine creel is hollow cylindrical configuration, is sheathed on the periphery wall of described zoom drive ring, and the inner edge perisporium of described stationary magazine creel has one first groove, and described first guides salient point through described groove hole, and embeds described first groove; And
One focusing driving ring, for hollow cylindrical configuration, be adjacent to one end of described zoom drive ring, the outer rim perisporium of described focusing driving ring has one second drive division, and be embedded in described first drive division and described second drive division by a driver module simultaneously, to make described zoom drive ring and described focusing driving ring forward or retrograde rotation, and carry out zoom or focusing.
Wherein, when described driver module drives described zoom drive ring to rotate, the side pushing and pressing described first in described groove hole guide salient point, make described first to guide salient point along described first groove displacement, and then drive described moving cylinder displacement.
Wherein, described groove hole has a preset width, when described preset width causes described driver module to drive described zoom drive ring and described focusing driving ring to rotate, described first guides salient point relative movement in described groove hole, and does not touch the sidewall in described groove hole.
Wherein, when described driver module drives described focusing driving ring and focuses, described first guides salient point to be move in described groove hole and do not touch the sidewall in described groove hole.
Wherein, described zoom lens mechanism also comprises a focusing support, be arranged in described focusing driving ring, described focusing support has one second and guides salient point, the inner peripheral of wherein said focusing driving ring is provided with one second groove, described second guides salient point to embed described second groove, described focusing support is guided with described second groove and does displacement.
Wherein, the profile of described second groove is oblique line groove, and described second guides salient point along the oblique displacement of described second groove.
Wherein, the profile in described groove hole is straight-line groove, and the profile of described first groove is the combination for oblique line groove or straight-line groove and oblique line groove, and described first guides salient point along described first groove vertical or oblique displacement.
A kind of pick-up lens, comprises:
One zoom lens mechanism, comprises:
One moving cylinder is hollow cylindrical configuration, and its outer rim perisporium has one first and guides salient point;
One zoom drive ring is hollow cylindrical configuration, is sheathed on the periphery wall of described moving cylinder, and the periphery wall of described zoom drive ring has a groove hole and one first drive division;
One stationary magazine creel is hollow cylindrical configuration, is sheathed on the periphery wall of described zoom drive ring, and the internal perisporium of described stationary magazine creel has one first groove, and described first guides salient point through described groove hole, and embeds described first groove; And
One focusing driving ring, for hollow cylindrical configuration, be adjacent to one end of described zoom drive ring, the periphery of described focusing driving ring is provided with one second groove, and the outer peripheral edges of described focusing driving ring have one second drive division, and be embedded in described first drive division and described second drive division by a driver module simultaneously, to make described zoom drive ring and described focusing driving ring forward or retrograde rotation, and carry out zoom or focusing;
One varifocal mirror group, be have one first mirror group and one second mirror group, described first mirror group is arranged in described moving cylinder, and described second mirror group is arranged in described zoom drive ring; And
One focusing mirror group, is be arranged in described focusing driving ring, and has a focusing support, and described focusing support has one second and guides salient point, and described second guides salient point to embed described second groove.
Wherein, when driving described zoom drive ring forward to rotate by described driver module, utilize the side in described groove hole to push against described first and guide salient point, described first is made to guide salient point along described first groove displacement, and then drive described moving cylinder displacement, and described first mirror group and described second mirror group is made to produce relative motion.
Wherein, described groove hole has a preset width, when described preset width causes described driver module to drive described zoom drive ring and described focusing driving ring retrograde rotation, described first guides salient point relative movement in described groove hole, and does not touch the sidewall in described groove hole.
Wherein, when described driver module drives described focusing driving ring and focuses, described first guides salient point to be move in described groove hole and do not touch the sidewall in described groove hole.
Wherein, when described focusing driving ring rotates, described second guides salient point to guide with described second groove does displacement, and makes described varifocal mirror group and described focusing mirror group produce relative movement.
Wherein, the profile of described second groove is oblique line groove, and described second guides salient point along the oblique displacement of described second groove.
Wherein, the profile in described groove hole is straight-line groove, and the profile of described first groove is the combination of oblique line groove or straight-line groove and oblique line groove, and described first guides salient point vertical or oblique displacement along described groove hole.
Beneficial effect of the present invention is: by using a driver module to carry out zoom and focusing, can reduce the assembly of product and the space needed for assembly by this, to reduce costs and to increase competitive power.By the setting in groove hole, zoom hop count can be improved.
Accompanying drawing explanation
Fig. 1 is the explosive view of zoom lens mechanism of the present invention;
Fig. 2 is the constitutional diagram of zoom lens mechanism of the present invention;
Fig. 3 is the first schematic diagram of the first embodiment of zoom lens mechanism of the present invention;
Fig. 4 is the second schematic diagram of the first embodiment of zoom lens mechanism of the present invention;
Fig. 5 is the first schematic diagram of the second embodiment of zoom lens mechanism of the present invention;
Fig. 6 is the second schematic diagram of the second embodiment of zoom lens mechanism of the present invention.
[main element label declaration]
1: zoom lens mechanism
10: moving cylinder
101: the outer rim perisporium of moving cylinder
Guide salient point at 102: the first
11: zoom drive ring
111: the outer rim perisporium of zoom drive ring
112: groove hole
113: the first drive divisions
12: stationary magazine creel
121: the inner edge perisporium of stationary magazine creel
122: the first grooves
123: manual ring
13: focusing driving ring
131: the outer rim perisporium of focusing driving ring
132: the second drive divisions
133: the inner edge perisporium of focusing driving ring
134: the second grooves
14: driver module
15: focusing support
Guide salient point at 151: the second
2: pick-up lens
20: varifocal mirror group
201: the first mirror groups
202: the second mirror groups
21: focusing mirror group
22: control contact
3: camera head
30: image sensing assembly
31: control module
Embodiment
For the effect making auditor understand technical characteristic of the present invention, content and advantage better and can reach, hereby the present invention is coordinated accompanying drawing, and be described in detail as follows with the expression-form of embodiment, and it is wherein used graphic, its purport is only the use of signal and aid illustration book, may not be actual proportions after the invention process and precisely configure, thus should not understand with regard to the ratio of institute's accompanying drawings and configuration relation, the interest field limited the invention in actual enforcement, chat bright in advance.
Zoom lens mechanism of the present invention, mainly can utilize single driver module (as motor) to carry out lens zoom and focusing, it is applicable to the pick-up lens of the camera heads such as digital camera, intelligent camera cell phone, class S.L.R or interchangeable lenses formula camera, but actual exercisable category still not only limited with this.
See also Fig. 1 and Fig. 2, Fig. 1 is the explosive view of zoom lens mechanism of the present invention; Fig. 2 is the constitutional diagram of zoom lens mechanism of the present invention.As shown in the figure, zoom lens mechanism 1 comprises: moving cylinder 10, zoom drive ring 11, stationary magazine creel 12 and a focusing driving ring 13.Wherein, moving cylinder 10 is a hollow cylindrical configuration, and the outer rim perisporium 101 of moving cylinder has one first and guides salient point 102.Zoom drive ring 11 is hollow cylindrical configuration, is sheathed on the periphery wall of moving cylinder 10, and the outer rim perisporium 111 of described zoom drive ring has groove hole 112 and one first drive division 113, and groove hole 112 can be straight-line groove.Stationary magazine creel 12 is hollow cylindrical configuration, is sheathed on the periphery wall of zoom drive ring 11, and the inner edge perisporium 121 of stationary magazine creel has one first groove 122; First guides salient point 102 through groove hole 112, and embeds the first groove 122.Focusing driving ring 13 is hollow cylindrical configuration, be adjacent to one end of zoom drive ring 11, and the outer rim perisporium 131 of focusing driving ring has one second drive division 132, and be embedded in the first drive division 113 and the second drive division 132 by a driver module 14 simultaneously, to make zoom drive ring 11 and focusing driving ring 13 forward or retrograde rotation, and carry out zoom or focusing.Wherein, driver module 14 can be d.c. motor or step motor, and by a control module (not being illustrated in figure) to control the start of motor, and then drive zoom drive ring 11 and focusing driving ring 13 forward or retrograde rotation, and carry out zoom or focusing.
In above-mentioned, when driver module 14 drives zoom drive ring 11 and focusing driving ring 13 forward rotates, first guiding salient point 102 of the side pushing and pressing moving cylinder 10 in the groove hole 112 of zoom drive ring 11, and guide salient point 102 to embed the first groove 122 of stationary magazine creel 12 because of first, therefore the first guiding salient point 102 can be made along the shape of the first groove 122 and displacement, and then drive moving cylinder 10 displacement, to carry out zoom.And after zoom completes, driver module 14 drives zoom drive ring 11 and the retrograde rotation of focusing driving ring 13, because the groove hole 112 of zoom drive ring 11 has a preset width, cause the first guiding salient point 102 in groove hole 112 during relative movement, and the sidewall in groove hole 112 can not be touched, and maintaining the state that its zoom completes, driving ring 13 of focusing then can be focused further.In more detail, when carrying out focusing state, first of moving cylinder 10 guides the position of salient point 102 for constant, only only have zoom drive ring 11 and focusing driving ring 13 to carry out swing offset, and the sidewall in groove hole 112 does not touch the first guiding salient point 102.
Moreover zoom lens mechanism 1 also can comprise a focusing support 15, it is arranged in focusing driving ring 13, and optical lens group required when focusing can be set on support 15 of focusing.Focusing support 15 has one second and guides salient point 151, and the inner edge perisporium 133 of focusing driving ring is provided with one second groove 134, and second guides salient point 151 to embed the second groove 134, makes focusing support 15 with the guide profile of the second groove 134, to carry out displacement.
See also Fig. 3 and Fig. 4, Fig. 3 is the first schematic diagram of the first embodiment of zoom lens mechanism of the present invention; Fig. 4 is the second schematic diagram of the first embodiment of zoom lens mechanism of the present invention.As shown in the figure, zoom lens mechanism 1 is applicable in a pick-up lens 2.In this example, the link of zoom lens mechanism 1 and start relation, with aforementioned similar, repeat no more in this.Pick-up lens 2 can be the pick-up lens 2 of an interchangeable lenses formula camera, and pick-up lens 2 comprises varifocal mirror group 20, focusing mirror group 21 and several control contact 22.Wherein varifocal mirror group 20 has one first mirror group 201 and one second mirror group 202, first mirror group 201 is arranged in moving cylinder 10, and the second mirror group 202 is arranged in zoom drive ring 11.In the design requirement of reality, the first mirror group 201 and the second mirror group 202 one of them (as second mirror group 202) can be set to fixed, and another mirror group (as the first mirror group 201) then can along with moving cylinder 10 displacement; When driver module 14 drives zoom drive ring 11 and focusing driving ring 13 forward rotates, first guiding salient point 102 of the side pushing and pressing moving cylinder 10 in the groove hole 112 of zoom drive ring 11, and first guides salient point 102 to embed the first groove 122 of stationary magazine creel 12, and make the first guiding salient point 102 along the profile of the first groove 122 and displacement, and then drive moving cylinder 10 displacement, and make two mirror groups produce relative motion, and change the mirror group spacing of the first mirror group 201 and the second mirror group 202, to adjust the focal length of pick-up lens 2, use the distance changing video imaging.Wherein the profile of the first groove 122 can be straight-line groove and connects oblique line groove, then connects straight-line groove or oblique line groove, and first when guiding salient point 102 along the oblique line groove displacement of the first groove 122, and moving cylinder 10 can be made to produce axial displacement.Preferably, stationary magazine creel 12 can arrange rotating ring 123 on the other hand, its internal perisporium may correspond to the first drive division 113 and the second drive division 132 is provided with one the 3rd drive division (not being illustrated in figure), and the 3rd drive division is simultaneously chimeric with the first drive division 113 and the second drive division 132, after being available for users to utilize manual ring 132 manually forward to rotate to carry out zoom, more manual retrograde rotation is to complete focusing.
Focusing mirror group 21 is arranged in focusing driving ring 13, and focusing mirror group 21 is on focusing support 15.Focusing support 15 has one second and guides salient point 151, and second guides salient point 151 to embed the second groove 134.When driver module 14 drives zoom drive ring 11 and the retrograde rotation of focusing driving ring 13, because the groove hole 112 of zoom drive ring 11 has a preset width, cause zoom drive ring 11 and focusing driving ring 13 when the swing offset of focusing, first guides salient point 102 not touch the sidewall in groove hole 112, and maintains the state that its zoom completes; Second of the focusing support 15 of focusing driving ring 13 guides salient point 151 along the profile displacement of the second groove 134, and then makes varifocal mirror group 20 produce relative motion, to change the mirror group spacing of two mirror groups, to change the focusing of image with focusing mirror group 21.In practice, the profile of the second groove 134 can be an oblique line groove, when second guides salient point 151 along the oblique displacement of the second groove 134, focusing mirror group 21 can be driven to carry out axial displacement.
Wherein, several control contact 22 and are electrically connected driver module 14, can, in order to receive the steering order coming from interchangeable lenses formula camera, drive zoom drive ring 11 and focusing driving ring 13 to carry out forward or retrograde rotation to make driver module 14.And the Qian He of wherein driver module 14 and the first drive division 113 of zoom drive ring 11 and the second drive division 132 of driving ring 13 of focusing, can be the engomphosis relation of gear set, such as the first drive division 113 and the second drive division 132 can be set to the dentation indentation of indent or the dentalation of evagination, chimeric with driver module 14, and then drive zoom drive ring 11 and focusing driving ring 13 to carry out forward or retrograde rotation.
See also Fig. 5 and Fig. 6, Fig. 5 is the first schematic diagram of the second embodiment of zoom lens mechanism of the present invention; 6th figure is the second schematic diagram of the second embodiment of zoom lens mechanism of the present invention.As shown in the figure, zoom lens mechanism is applicable in a camera head 3.In this example, the link of zoom lens mechanism 1 and start relation, with aforementioned similar, repeat no more in this.Camera head 3 comprises a varifocal mirror group 20, focusing mirror group 21, image sensing assembly 30 and a control module 31.Image sensing assembly 30 can be Charged Coupled Device (Charge-coupled Device, or CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal-Oxide-Semiconductor CCD), the sensory package such as CMOS), can in order to the image light of sensing object, with by object imaging.Control module 31 can be the assemblies such as a micro-control unit (MicroControl Unit, MCU).Control module 31 is electrically connected driver module 14; Zoom drive ring 11 and focusing driving ring 13 is driven forward to rotate if control module 31 controls driver module 14, first guiding salient point 102 displacement in the first groove 122 of the side pushing and pressing moving cylinder 10 in the groove hole 112 of zoom drive ring 11, and make moving cylinder 10 displacement, with the mirror group spacing of the first mirror group 201 and the second mirror group 202 that change varifocal mirror group 20, to reach zoom.Control module 31 controls driver module 14 and drives zoom drive ring 11 and focusing driving ring 13 to carry out retrograde rotation, and the groove hole 112 of zoom drive ring 11 has a preset width, cause the first guiding salient point 102 not by the opposite side in groove hole 112 pushing and pressing (being the sidewall that the first guiding salient point 102 does not touch groove hole 112), and keep the position of the first guiding salient point 102; Focus the focusing support 15 of driving ring 13 then along the profile displacement of the second groove 134, and then make varifocal mirror group 20 produce relative motion with focusing mirror group 21, focusing is completed to change the mirror group spacing of two mirror groups, with the suitable image light making image sensing assembly 30 can accept object, and then imaging.
Raise one carry be, wherein first the first groove 122 or second of salient point 102 and correspondence thereof is guided to guide the quantity of the second groove 134 of salient point 151 and correspondence thereof can change in response to actual demand, as the stability for asking displacement, can be 2 groups or 3 groups by its quantitative design, stressed more even when using the displacement of salient point in groove, and reach more accurate zoom or focusing.
In sum, this zoom lens mechanism and camera head thereof are by only using a driver module, carry out forward or retrograde rotation to drive zoom drive ring and focusing driving ring, to complete the action of zoom and focusing, can reduce the component count of product by this, moreover with the part needed for camera lens, driver module (as motor) is generally the high unit price part in the part needed for camera lens, therefore the usage quantity of driver module reduces, and produces the effect significantly reduced beyond doubt to cost.Moreover driver module also occupies a large amount of configuration spaces of whole camera lens simultaneously, therefore the usage quantity of driver module reduces, and the design of camera lens can be made more to tend to the design of miniaturization or be more conducive to the design that designer carries out camera lens.And the groove hole of zoom drive ring has a preset width, when causing zoom drive ring and focusing driving ring to rotate, described first guides salient point relative movement in described groove hole, and do not touch the sidewall in described groove hole, the state that lens zoom can be made to complete is not limited to the ad-hoc location of the first groove of stationary magazine creel, and under the condition of possessing lens focusing function, the zoom design for camera lens has larger design space, that is, the zoom hop count of camera lens can be improved.
The foregoing is only citing, but not for making restriction.Anyly do not depart from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be contained in claim of the present invention protection category.
Claims (7)
1. a zoom lens mechanism, is characterized in that, comprises:
One moving cylinder is hollow cylindrical configuration, and its periphery wall has one first and guides salient point;
One zoom drive ring is hollow cylindrical configuration, is sheathed on the periphery wall of described moving cylinder, and the periphery wall of described zoom drive ring has a groove hole and one first drive division;
One stationary magazine creel is hollow cylindrical configuration, is sheathed on the periphery wall of described zoom drive ring, and the internal perisporium of described stationary magazine creel has one first groove, and described first guides salient point through described groove hole, and embeds described first groove; And
One focusing driving ring, for hollow cylindrical configuration, be adjacent to one end of described zoom drive ring, the periphery wall of described focusing driving ring has one second drive division, and be embedded in described first drive division and described second drive division by a driver module simultaneously, to make described zoom drive ring and described focusing driving ring forward or retrograde rotation, and carry out zoom or focusing;
Wherein, when described driver module drives described zoom drive ring to rotate, the side pushing and pressing described first in described groove hole guide salient point, make described first to guide salient point along described first groove displacement, and then drive described moving cylinder displacement;
Wherein, described groove hole has a preset width, and when described preset width causes described driver module drive described focusing driving ring and focus, described first guides salient point to be move in described groove hole and do not touch the sidewall in described groove hole.
2. zoom lens mechanism as claimed in claim 1, it is characterized in that, also comprise a focusing support, be arranged in described focusing driving ring, described focusing support has one second and guides salient point, the internal perisporium of wherein said focusing driving ring is provided with one second groove, and described second guides salient point to embed described second groove, described focusing support is guided with described second groove and does displacement.
3. zoom lens mechanism as claimed in claim 2, it is characterized in that, the profile of described second groove is oblique line groove, and described second guides salient point along the oblique displacement of described second groove.
4. zoom lens mechanism as claimed in claim 1, it is characterized in that, the profile in described groove hole is straight-line groove, and the profile of described first groove is the combination for oblique line groove or straight-line groove and oblique line groove, and described first guides salient point along described first groove vertical or oblique displacement.
5. a pick-up lens, is characterized in that, comprises:
One zoom lens mechanism, comprises:
One moving cylinder is hollow cylindrical configuration, and its periphery wall has one first and guides salient point;
One zoom drive ring is hollow cylindrical configuration, is sheathed on the periphery wall of described moving cylinder, and the periphery wall of described zoom drive ring has a groove hole and one first drive division;
One stationary magazine creel is hollow cylindrical configuration, is sheathed on the periphery wall of described zoom drive ring, and the internal perisporium of described stationary magazine creel has one first groove, and described first guides salient point through described groove hole, and embeds described first groove; And
One focusing driving ring, for hollow cylindrical configuration, be adjacent to one end of described zoom drive ring, the internal perisporium of described focusing driving ring is provided with one second groove, and the periphery wall of described focusing driving ring has one second drive division, and be embedded in described first drive division and described second drive division by a driver module simultaneously, to make described zoom drive ring and described focusing driving ring forward or retrograde rotation, and carry out zoom or focusing;
One varifocal mirror group, be have one first mirror group and one second mirror group, described first mirror group is arranged in described moving cylinder, and described second mirror group is arranged in described zoom drive ring; And
One focusing mirror group, is be arranged in described focusing driving ring, and has a focusing support, and described focusing support has one second and guides salient point, and described second guides salient point to embed described second groove;
Wherein, when described driver module drives described zoom drive ring to rotate, the side pushing and pressing described first in described groove hole guide salient point, make described first to guide salient point along described first groove displacement, and then drive described moving cylinder displacement;
Wherein, described groove hole has a preset width, and when described preset width causes described driver module drive described focusing driving ring and focus, described first guides salient point to be move in described groove hole and do not touch the sidewall in described groove hole.
6. pick-up lens as claimed in claim 5, it is characterized in that, the profile of described second groove is oblique line groove, and described second guides salient point along the oblique displacement of described second groove.
7. pick-up lens as claimed in claim 5, it is characterized in that, the profile in described groove hole is straight-line groove, and the profile of described first groove is the combination of oblique line groove or straight-line groove and oblique line groove, and described first guides salient point along described first groove vertical or oblique displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110388022.6A CN103135316B (en) | 2011-11-29 | 2011-11-29 | Zoom lens mechanism and camera head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110388022.6A CN103135316B (en) | 2011-11-29 | 2011-11-29 | Zoom lens mechanism and camera head thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103135316A CN103135316A (en) | 2013-06-05 |
| CN103135316B true CN103135316B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110388022.6A Expired - Fee Related CN103135316B (en) | 2011-11-29 | 2011-11-29 | Zoom lens mechanism and camera head thereof |
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| Country | Link |
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| CN (1) | CN103135316B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635313A (en) * | 2013-11-06 | 2015-05-20 | 北京兆维电子(集团)有限责任公司 | Focusing lens and industrial camera provided with focusing lens |
| CN106773011B (en) * | 2016-12-22 | 2022-12-13 | 西安西光威信光电有限公司 | Zoom eyepiece with adjustable reticle |
| CN110542973A (en) * | 2019-02-18 | 2019-12-06 | 广州长步道光电科技有限公司 | Floating zooming mechanical structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176395A (en) * | 1996-08-20 | 1998-03-18 | 富士写真胶片株式会社 | Zoom lens device |
| CN2864725Y (en) * | 2005-10-27 | 2007-01-31 | 崴强科技股份有限公司 | Optical lens mechanism with variable-focus and automatic focusing function |
| CN101925843A (en) * | 2008-01-25 | 2010-12-22 | 松下电器产业株式会社 | Lens barrel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5778006A (en) * | 1980-10-31 | 1982-05-15 | Canon Inc | Device for changing zoom operating system |
| JPH05249362A (en) * | 1992-03-06 | 1993-09-28 | Canon Inc | Optical equipment |
| JP2002350709A (en) * | 2001-05-29 | 2002-12-04 | Olympus Optical Co Ltd | Zoom camera |
-
2011
- 2011-11-29 CN CN201110388022.6A patent/CN103135316B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176395A (en) * | 1996-08-20 | 1998-03-18 | 富士写真胶片株式会社 | Zoom lens device |
| CN2864725Y (en) * | 2005-10-27 | 2007-01-31 | 崴强科技股份有限公司 | Optical lens mechanism with variable-focus and automatic focusing function |
| CN101925843A (en) * | 2008-01-25 | 2010-12-22 | 松下电器产业株式会社 | Lens barrel |
Also Published As
| Publication number | Publication date |
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| CN103135316A (en) | 2013-06-05 |
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