CN110471152A - Optical elements immobilizing structure and Lens assembly and illumination testing apparatus - Google Patents
Optical elements immobilizing structure and Lens assembly and illumination testing apparatus Download PDFInfo
- Publication number
- CN110471152A CN110471152A CN201810436755.4A CN201810436755A CN110471152A CN 110471152 A CN110471152 A CN 110471152A CN 201810436755 A CN201810436755 A CN 201810436755A CN 110471152 A CN110471152 A CN 110471152A
- Authority
- CN
- China
- Prior art keywords
- fixed
- optical element
- face
- lens assembly
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 79
- 238000005286 illumination Methods 0.000 title claims abstract description 26
- 230000003100 immobilizing effect Effects 0.000 title claims abstract description 26
- 230000004308 accommodation Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0414—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using plane or convex mirrors, parallel phase plates, or plane beam-splitters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0418—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using attenuators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/04—Optical benches therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
Abstract
The present invention provides a kind of optical elements immobilizing structure and Lens assembly and illumination testing apparatus, optical elements immobilizing structure, including the fixation bracket for fixing optical element and the elastic slice being arranged on the fixed bracket, the fixing groove for fixing the optical element and the raised face (RF) around the fixing groove are provided on the fixed bracket, the raised face (RF) is recessed to form concave face along the support bracket fastened axial direction, plane where the concave face is between the raised face (RF) and the surface of optical element, described elastic slice one end is fixed on the concave face, the fixed optical element of one end pressing.Such structure structure is simple, save space, optical element damage rate is low, relative reduction cost, it is convenient for changing, it can guarantee the concentricity of decaying chip part and convex lens using the Lens assembly and illumination testing apparatus of this structure, assembly technology is simple and precision can guarantee, can be widely applied in the design of the illumination photometer of movie theatre light source.
Description
Technical field
The present invention relates to optical technical fields, more particularly to a kind of optical elements immobilizing structure and Lens assembly and illumination
Detection device.
Background technique
Optical elements immobilizing structure is widely used in Lens assembly, such as the illumination photometer with Lens assembly, illumination photometer
It largely uses in movie theatre light source class product, periodically light-source brightness is detected, grasp the brightness of light source in use
Attenuation.Eyeglass, such as convex lens or attenuator are usually provided in illumination photometer, most of the fixed of decaying eyeglass use at present
Pressing ring is directly fixed, and attenuator is easy damage, higher cost when assembly；Vibration may cause use process in use process
Middle damage will lead to bigger cost allowance.
Therefore, it is really necessary to provide one kind new optical elements immobilizing structure and Lens assembly and illumination testing apparatus to solve
The certainly above problem.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of optical elements immobilizing structure and Lens assemblies and illumination to examine
Device is surveyed, its optical property influence whole efficiency or reliability can be destroyed in fixation procedure to solve eyeglass in the prior art,
The problem of influencing using effect.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of optical element fixed knot is provided
Structure, including the fixation bracket for fixing optical element and the elastic slice being arranged on the fixed bracket, which is characterized in that institute
It states and is provided with the fixing groove for fixing the optical element and the raised face (RF) around the fixing groove on fixed bracket, it is described
Raised face (RF) is recessed to form concave face along the support bracket fastened axial direction, and the plane where the concave face is located at the protrusion
Between face and the surface of optical element, described elastic slice one end is fixed on the concave face, the fixed optical element of one end pressing.
Preferably, the raised face (RF) and the concave face share two pairs, and two pairs of raised face (RF)s and the concave face are opposite
In support bracket fastened axisymmetrical and it is spaced setting.
Preferably, the fixed bracket includes the side wall around the optical element and the branch from inside sidewalls extension
Support step, the side wall is arranged in close to the side of extraneous stationary plane in the raised face (RF), the support level and the side wall it
Between form the fixing groove, the optical element is arranged on the support level.
Preferably, the elastic slice is fixed by screws on the stationary plane, and the head of the screw is located at extraneous fixed
In gap between face and the concave face.
Preferably, the elastic slice include the fixing end being connected with the fixed bracket and from the fixing end extend with light
The elastic tip that element abuts against is learned, the screw is fixed in the fixing end.
Preferably, there are two the elastic slice is total to, two diagonal angles of the optical element, each fixation are separately positioned on
There are two screws for setting on end.
In order to solve the above technical problems, the present invention also provides a technical solutions to be: providing a kind of Lens assembly, including mirror
Plate rack, eyeglass, the optics fixed structure being fixed in the lens supports, the fixed structure use optics as described above
Element fixing structure.
Preferably, optical element fixed on the optical elements immobilizing structure is attenuator, and the Lens assembly also wraps
Pressing ring is included, the pressing ring is fitted on the raised face (RF) so that the optics fixed structure to be fixed in the lens supports.
Preferably, the eyeglass is fixed on the lens supports close to the side of the attenuation part, the attenuation part
Fixation bracket be pressed on the eyeglass far from the side of the pressing ring.
Preferably, the lens supports include the first outer wall and the second outer wall for surrounding accommodation space, second outer wall
Internal diameter be greater than the internal diameter of first outer wall, the eyeglass is overlapped on described first far from a side surface of the attenuation part
On outer wall, the periphery of the eyeglass is connected to the inner surface of second outer wall.
Preferably, the attenuation part is accommodated between second outer wall, and the pressing ring is by the attenuator and described
Eyeglass is pressed on first outer wall.
Preferably, the eyeglass is convex lens.
In order to solve the above technical problems, the present invention also provides a technical solutions to be: a kind of illumination testing apparatus is provided,
Including lens barrel, illumination photometer and Lens assembly as described above with incidence end, spectroscope and exit end, the Lens assembly
It is arranged between the lens barrel and the illumination photometer, the optical element is attenuator, and the attenuator corresponds to the spectroscope
Setting.
The beneficial effects of the present invention are: being in contrast to the prior art, the present invention provides a kind of optical element fixed knot
Structure, including the fixation bracket for fixing optical element and the elastic slice being arranged on the fixed bracket, the fixed bracket
On be provided with fixing groove for fixing the optical element and the raised face (RF) around the fixing groove, the raised face (RF) is along institute
It states support bracket fastened axial direction to be recessed to form concave face, the plane where the concave face is located at the raised face (RF) and optics member
Between the surface of part, described elastic slice one end is fixed on the concave face, the fixed optical element of one end pressing.Such structure knot
Structure is simple, save space, optical element damage rate is low, and relative reduction cost is convenient for changing, using this structure Lens assembly and
Illumination testing apparatus can guarantee the concentricity of decaying chip part and convex lens, and assembly technology is simple and precision can guarantee, can be extensive
In the design of illumination photometer applied to movie theatre light source.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optical elements immobilizing structure of the present invention；
Fig. 2 is the cross-sectional view of optical elements immobilizing structure of the present invention；
Fig. 3 is the decomposition texture schematic diagram of Lens assembly of the present invention；
Fig. 4 is the assembly structure diagram of illumination testing apparatus of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of optical elements immobilizing structure and Lens assembly and photograph using the optical elements immobilizing structure
Spend detection device, with solve in the prior art optical element can be destroyed in fixation procedure its optical property influence whole efficiency or
Reliability, the problem of influencing using effect.
As depicted in figs. 1 and 2, optical elements immobilizing structure provided by the invention, including fix bracket 1 and be fixed on fixation
Elastic slice 2 on bracket 1.
Wherein fixing bracket 1 includes the annular sidewall 11 for surrounding inner space and the interior laterally inner side space side from side wall 11
To the support level 12 of extension.In the present embodiment, support level 12 is perpendicular to side wall 11, and is located at the middle part of side wall 11.
The fixing groove for being used for fixing optical element 3 is formed between support level 12 and side wall 11, optical element 3 is overlapped on support level 12
On, and the periphery of optical element 3 is connected on the inner surface of side wall 11, further, elastic slice 2 is pressed on the table of optical element 3
The pressing of optical element 3 is fixed in fixing groove by face.
Side wall 11 includes and the extraneous stationary plane raised face (RF) 101 to fit and the stitching surface being oppositely arranged with raised face (RF).It is prominent
It plays face 101 to be arranged around fixing groove, further, be provided on raised face (RF) 101 along the support bracket fastened axial direction, Xiang Yuan
Concave face 102 from extraneous stationary plane direction recess is spaced between concave face 102 and extraneous stationary plane and is arranged, and elastic slice 2 is accommodated in
In gap between concave face 102 and extraneous stationary plane, the plane where concave face 102 is located at raised face (RF) 101 and optical element 3
Surface between, in this way, first can guarantee between raised face (RF) 101 and extraneous stationary plane it is complete be bonded, second can be bullet
Piece reserved space, three press fixing optical element by elastic slice, and 101 opposing optical element 3 of raised face (RF) and concave face 102 are prominent
Out, 3 surface of optical element will not be caused to damage.In the present embodiment, raised face (RF) 101 and concave face 102 share two pairs, and two
Relative to the axisymmetrical for fixing bracket 1 and setting is spaced to raised face (RF) 101 and concave face 102.
Elastic slice 2 includes abutting against with optical element 3 for the fixing end 21 being connected with fixed bracket 1 and the extension of self-retaining end 21
Elastic tip 22.Fixing end 21 is fixed on concave face 102 by screw 4.The head of screw 4 is located at extraneous stationary plane and recess
In gap between face 102.
Specifically in the present embodiment, the whole rounded structure of fixed bracket 1, optical element 3 are rectangular configuration, elastic slice 2
There are two altogether, it is located at the diagonal angle of optical element 3.There are two screw 4, two screws 4 difference for setting in each fixing end 21
Positioned at the both ends of fixing end 21.In this manner it is ensured that uniform force, fixation.
As shown in figure 3, the present invention also provides a kind of Lens assembly, including lens supports 5, eyeglass 6, it is fixed on lens supports
Optical elements immobilizing structure on 5 and the pressing ring 7 for pressing optical element and eyeglass 6.In the present embodiment, eyeglass 6
For convex lens, optical element is attenuator.Pressing ring 7 is pressed on raised face (RF) 101, and the surface that pressing ring 7 fits with raised face (RF) 101 is i.e.
Serve as the aforementioned extraneous stationary plane.
Lens supports 5 include the first outer wall 51 and the second outer wall 52 for surrounding accommodation space, wherein the second outer wall 52 is interior
Diameter is greater than the internal diameter of the first outer wall 51.Wherein the second outer wall 52 is arranged close to attenuator side, and eyeglass is fixed on the second outer wall 52
Side, the fixation bracket 1 for fixed attenuation piece is pressed on eyeglass 6 far from the side of pressing ring.That is, compressing on side wall 11
Face is pressed on eyeglass 6.
Eyeglass 6 is overlapped on the first outer wall 51 far from a side surface of attenuator, and the periphery of eyeglass 6 is connected to the second outer wall
52 inner surface.Attenuator and optical elements immobilizing structure are accommodated between the second outer wall 52, and pressing ring 7 is by attenuator and eyeglass 6
It is pressed on the first outer wall 51 jointly.
It should be noted that present embodiment is to use optical elements immobilizing structure fixed attenuation piece of the present invention, optional
In the other embodiments selected, attenuator can also be replaced with to other optical elements, and can be implemented.
As shown in figure 4, being a kind of illumination testing apparatus provided by the invention, including lens barrel 8, illumination photometer 9 and the present invention mention
The Lens assembly of confession.
Lens barrel 8 includes incidence end, exit end and the spectroscope 81 between incidence end and exit end.
Lens assembly is arranged between lens barrel 8 and illumination photometer 9, and attenuator corresponds to the setting of spectroscope 81.Illumination photometer 9 corresponds to mirror
The optical axis of piece is arranged.Specifically in the present embodiment, illumination is calculated as integrating sphere luminance sensor.
It is in contrast to the prior art, the present invention provides a kind of optical elements immobilizing structure, including for fixing optics
The fixation bracket of element and the elastic slice being arranged on the fixed bracket are provided on the fixed bracket for described in fixed
The fixing groove of optical element and the raised face (RF) for surrounding the fixing groove, the raised face (RF) is along the support bracket fastened axial direction
Recess forms concave face, and the plane where the concave face is between the raised face (RF) and the surface of optical element, the bullet
Piece one end is fixed on the concave face, the fixed optical element of one end pressing.Such structure structure is simple, saves space, light
Element damage rate is low, and relative reduction cost is convenient for changing, and can guarantee using the Lens assembly and illumination testing apparatus of this structure
The concentricity of decaying chip part and convex lens, assembly technology is simple and precision can guarantee, can be widely applied to the photograph of movie theatre light source
It spends in the design of meter.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (13)
1. a kind of optical elements immobilizing structure including the fixation bracket for fixing optical element and is arranged in the fixed branch
Elastic slice on frame, which is characterized in that the fixing groove and ring for fixing the optical element are provided on the fixed bracket
Around the raised face (RF) of the fixing groove, the raised face (RF) is recessed to form concave face along the support bracket fastened axial direction, described recessed
For plane where the face of falling between the raised face (RF) and the surface of optical element, described elastic slice one end is fixed on the recess
Face, the fixed optical element of one end pressing.
2. optical elements immobilizing structure according to claim 1, which is characterized in that the raised face (RF) and the concave face are total
There are two pairs, two pairs of raised face (RF)s and the concave face relative to support bracket fastened axisymmetrical and are spaced setting.
3. optical elements immobilizing structure according to claim 1, which is characterized in that the fixed bracket includes around described
The side wall of optical element and the support level extended from the inside sidewalls, the raised face (RF) setting is in the side wall close to extraneous
The side of stationary plane, forms the fixing groove between the support level and the side wall, the optical element is arranged described
On support level.
4. optical elements immobilizing structure according to claim 1, which is characterized in that the elastic slice is fixed by screws in institute
It states on stationary plane, the head of the screw is located in the gap between extraneous stationary plane and the concave face.
5. optical elements immobilizing structure according to claim 3, which is characterized in that the elastic slice includes and the fixation is propped up
The elastic tip abutted against with optical element frame connected fixing end and extended from the fixing end, the screw are fixed on described
In fixing end.
6. optical elements immobilizing structure according to claim 5, which is characterized in that there are two the elastic slice is total, set respectively
Two diagonal angles in the optical element are set, there are two screws for setting in each fixing end.
7. a kind of Lens assembly, which is characterized in that including lens supports, eyeglass, the optics member being fixed in the lens supports
Part fixed structure, the optical elements immobilizing structure are fixed using the optical element as described in any one of claims 1 to 6
Structure.
8. Lens assembly according to claim 7, which is characterized in that fixed optics on the optical elements immobilizing structure
Element is attenuator, and the Lens assembly further includes pressing ring, and the pressing ring is fitted on the raised face (RF) to consolidate the optics
Determine structure to be fixed in the lens supports.
9. Lens assembly according to claim 8, which is characterized in that the eyeglass is fixed on the lens supports close to institute
The side of attenuator is stated, the fixation bracket of the attenuator is pressed on the eyeglass far from the side of the pressing ring.
10. Lens assembly according to claim 9, which is characterized in that the lens supports include surrounding accommodation space
First outer wall and the second outer wall, the internal diameter of second outer wall are greater than the internal diameter of first outer wall, and the eyeglass is far from described
One side surface of attenuator is overlapped on first outer wall, and the periphery of the eyeglass is connected to the interior table of second outer wall
Face.
11. Lens assembly according to claim 10, which is characterized in that the attenuator be accommodated in second outer wall it
Between, the attenuator and the eyeglass are pressed on first outer wall by the pressing ring.
12. Lens assembly according to claim 7, which is characterized in that the eyeglass is convex lens.
13. a kind of illumination testing apparatus, which is characterized in that including lens barrel, illumination photometer with incidence end, spectroscope and exit end
And the Lens assembly as described in any one of claim 7 to 12, Lens assembly setting the lens barrel with it is described
Between illumination photometer, the optical element is attenuator, and the attenuator corresponds to the spectroscope setting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436755.4A CN110471152A (en) | 2018-05-09 | 2018-05-09 | Optical elements immobilizing structure and Lens assembly and illumination testing apparatus |
| PCT/CN2019/070536 WO2019214278A1 (en) | 2018-05-09 | 2019-01-05 | Fixing structure for optical element, lens assembly and illuminance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436755.4A CN110471152A (en) | 2018-05-09 | 2018-05-09 | Optical elements immobilizing structure and Lens assembly and illumination testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110471152A true CN110471152A (en) | 2019-11-19 |
Family
ID=68466674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810436755.4A Pending CN110471152A (en) | 2018-05-09 | 2018-05-09 | Optical elements immobilizing structure and Lens assembly and illumination testing apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110471152A (en) |
| WO (1) | WO2019214278A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017219A1 (en) * | 2020-07-24 | 2022-01-27 | 深圳市绎立锐光科技开发有限公司 | Optical lens fixing apparatus and lamp |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285862A (en) * | 2020-11-23 | 2021-01-29 | 中国工程物理研究院应用电子学研究所 | Universal optical lens bracket and using method thereof |
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| JPH06214142A (en) * | 1993-01-19 | 1994-08-05 | Nikon Corp | Lens holder |
| JPH0821936A (en) * | 1994-07-06 | 1996-01-23 | Konica Corp | Supporting structure of optical scanning system lens |
| JPH11202177A (en) * | 1998-01-13 | 1999-07-30 | Chinontec Kk | Holder, holding device, lens pressure ring, and lens holding device |
| US20070171550A1 (en) * | 2006-01-16 | 2007-07-26 | Fujinon Corporation | Lens device and lens barrel |
| CN102540386A (en) * | 2012-02-07 | 2012-07-04 | 中国科学院光电技术研究所 | Elastic supporting device for moving mirror |
| CN103472690A (en) * | 2013-09-25 | 2013-12-25 | 中国科学院长春光学精密机械与物理研究所 | Axial adjusting device for optical element in projection objective system |
| CN106443936A (en) * | 2016-10-09 | 2017-02-22 | 中国科学院长春光学精密机械与物理研究所 | Five-freedom-degree final motion adjusting mechanism for optical element |
| JP2017161650A (en) * | 2016-03-08 | 2017-09-14 | 日本電産コパル株式会社 | Lens holding structure and imaging apparatus including the same |
| CN207123380U (en) * | 2017-07-24 | 2018-03-20 | 深圳市光峰光电技术有限公司 | Light-source brightness attenuation test device and projector equipment |
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| DE202009014837U1 (en) * | 2009-11-03 | 2010-02-18 | Basler Ag | Holding device for an optical filter element of a camera |
| CN105842840B (en) * | 2015-12-15 | 2018-02-13 | 浙江大学 | Imitative crystalline lens layer structure symmetrical expression zoom lens |
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- 2018-05-09 CN CN201810436755.4A patent/CN110471152A/en active Pending
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- 2019-01-05 WO PCT/CN2019/070536 patent/WO2019214278A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06214142A (en) * | 1993-01-19 | 1994-08-05 | Nikon Corp | Lens holder |
| JPH0821936A (en) * | 1994-07-06 | 1996-01-23 | Konica Corp | Supporting structure of optical scanning system lens |
| JPH11202177A (en) * | 1998-01-13 | 1999-07-30 | Chinontec Kk | Holder, holding device, lens pressure ring, and lens holding device |
| US20070171550A1 (en) * | 2006-01-16 | 2007-07-26 | Fujinon Corporation | Lens device and lens barrel |
| CN102540386A (en) * | 2012-02-07 | 2012-07-04 | 中国科学院光电技术研究所 | Elastic supporting device for moving mirror |
| CN103472690A (en) * | 2013-09-25 | 2013-12-25 | 中国科学院长春光学精密机械与物理研究所 | Axial adjusting device for optical element in projection objective system |
| JP2017161650A (en) * | 2016-03-08 | 2017-09-14 | 日本電産コパル株式会社 | Lens holding structure and imaging apparatus including the same |
| CN106443936A (en) * | 2016-10-09 | 2017-02-22 | 中国科学院长春光学精密机械与物理研究所 | Five-freedom-degree final motion adjusting mechanism for optical element |
| CN207123380U (en) * | 2017-07-24 | 2018-03-20 | 深圳市光峰光电技术有限公司 | Light-source brightness attenuation test device and projector equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017219A1 (en) * | 2020-07-24 | 2022-01-27 | 深圳市绎立锐光科技开发有限公司 | Optical lens fixing apparatus and lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019214278A1 (en) | 2019-11-14 |
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Application publication date: 20191119 |