CN104459934A - High-definition electric zoom and focusing monitoring lens and control method thereof - Google Patents
High-definition electric zoom and focusing monitoring lens and control method thereof Download PDFInfo
- Publication number
- CN104459934A CN104459934A CN201410782977.3A CN201410782977A CN104459934A CN 104459934 A CN104459934 A CN 104459934A CN 201410782977 A CN201410782977 A CN 201410782977A CN 104459934 A CN104459934 A CN 104459934A
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- seat
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Classifications
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- 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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
-
- 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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
Abstract
The invention relates to a high-definition electric zoom and focusing monitoring lens and a control method thereof. The high-definition electric zoom and focusing monitoring lens is characterized by comprising a front set gear (5), a rear cam (7), a front set mirror tube (6) arranged in the front set gear (5) and a rear set mirror tube (9) arranged in the rear cam (7). A front mirror base (4) used for supporting a lens body is arranged in the front set mirror tube (6), and a rear mirror base (8) used for supporting the lens body is arranged in the rear set mirror tube (9). A protruding key on the outer surface of the front mirror base (4) penetrates through a sliding groove in the front set mirror tube (6) to be embedded into a spiral rail located in the inner surface of the front set gear (5). The high-definition electric zoom and focusing monitoring lens is simple in structure and reasonable in design, and focusing and zoom can be electrically and accurately controlled.
Description
Technical field
The present invention relates to a kind of high definition power zoom, focus on monitoring camera and control method thereof.
Background technology
In the information age of high speed development now, the security protection consciousness of people is more and more higher, also proposes certain requirement accordingly to the quality of camera lens.No longer only pursue in aspects such as resolution, serviceability temperature, monitoring ranges, new demand is proposed to the degree of accuracy, control mode, structure size etc. of camera lens.
Summary of the invention
The object of the present invention is to provide a kind of high definition power zoom, focus on monitoring camera, this high definition power zoom, focusing monitoring camera structure are simple, reasonable in design, are conducive to electronic accurate control and focus on and zoom.
High definition power zoom of the present invention, focus on monitoring camera, it is characterized in that: group gear (5) before comprising, rear cam (7) and the front arrangement of mirrors cylinder (6) be located in their bodies, rear arrangement of mirrors cylinder (9), be provided with for support lenses front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) in described front arrangement of mirrors cylinder (6) and rear arrangement of mirrors cylindrical shell (9) body, convex key on described front arrangement of mirrors seat (4) outside surface is through the chute on front arrangement of mirrors cylinder (6), and embed the helical orbit being positioned at front group gear (5) inside surface, convex key on rear arrangement of mirrors seat (8) outside surface is through the chute on rear arrangement of mirrors cylinder (9), and embed the helical orbit being positioned at rear cam (7) inside surface, described front group of gear (5) and rear cam (7) side are respectively equipped with the first stepper motor and the second stepper motor moves to drive front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8), in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B, before described, group A is made up of gummed group before negative selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 contiguity successively, described rear group of B by biconvex lens B-1, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 touch first after gummed group is formed, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touches after second that gummed group is formed.
Further, airspace between above-mentioned front group of A and rear group of B is: 20.236mm, in described front group, negative airspace between selenodont lens A-1 and balsaming lens group is: 5.867mm, airspace in described front group between balsaming lens group and light hurdle C is: 3.867 ~ 1.030mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.279 ~ 0.403mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.517mm, airspace after negative selenodont lens B-2 and first between balsaming lens group is: 0.900mm, airspace after first between balsaming lens group and negative selenodont lens B-5 is: 0.900mm, airspace after negative selenodont lens B-5 and second between balsaming lens group is: 1.370mm.
Further, above-mentioned lens focus: f '=3.0 ~ 10.5mm, relative aperture D/F=1/1.4, field angle 2 ω: 132 ° ~ 35.5 ° (effective imaging surface n ' >=φ 6.72mm), be suitable for spectral range: 480nm ~ 850nm, resolution: adaptive with the high-definition camera of 3,000,000 pixels, light path overall length ∑ L≤50mm.
High definition power zoom of the present invention, focus on the control method of monitoring camera, it is characterized in that: group gear (5) before described camera lens comprises, rear cam (7) and the front arrangement of mirrors cylinder (6) be located in their bodies, rear arrangement of mirrors cylinder (9), be provided with for support lenses front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) in described front arrangement of mirrors cylinder (6) and rear arrangement of mirrors cylindrical shell (9) body, convex key on described front arrangement of mirrors seat (4) outside surface is through the chute on front arrangement of mirrors cylinder (6), and embed the helical orbit being positioned at front group gear (5) inside surface, convex key on rear arrangement of mirrors seat (8) outside surface is through the chute on rear arrangement of mirrors cylinder (9), and embed the helical orbit being positioned at rear cam (7) inside surface, described front group of gear (5) and rear cam (7) side are respectively equipped with the first stepper motor and the second stepper motor moves to drive front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8), in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B, before described, group A is made up of gummed group before negative selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 contiguity successively, described rear group of B by biconvex lens B-1, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 touch first after gummed group is formed, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touches after second that gummed group is formed, during control, drive moving axially, to realize power zoom and focusing of front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) by the rotation of the first stepper motor and the second stepper motor.
Further, above-mentioned first stepper motor and the second stepper motor are controlled to realize remote electric by rear end 485 communications protocol.
Advantage of the present invention:
1. the reasonable distribution focal power of front group of A and rear group of B in this lens optical structure, in rear group of B, changes the 3rd arrangement of mirrors sheet of three-chip type structure as cemented doublet group into, makes camera lens reach the short performance index of object lens of large relative aperture, wide-angle, structure length.
2., by the optical glass material of reasonable selection forward and backward two groups ten seven groups, select the optical glass material of high index of refraction, low dispersion as far as possible.By area of computer aided optical design and optimization, correct the various aberrations of optical lens perfectly, make the resolution of camera lens high, the requirement of 3,000,000 pixel high definition video shootings can be adapted to.
3. when optical design, aberration correction and balance are carried out to the wide spectral range of 480nm ~ 850nm, make camera lens have excellent picture element at wide spectral range, achieve wide spectral confocal.Camera lens can not only blur-free imaging under photoenvironment in the daytime, night pole low-light (level) or zero illumination environment under also can blur-free imaging by infrared light filling, the monitoring continuously that achieves 24 hours, and when day and night switching not defocusing, focus without the need to scene.
4. camera lens uses reinforced plastic, and tool high strength and elasticity coefficient, high impact, serviceability temperature scope are wide, and electrical specification is excellent, is easily moulded and makes, and the consistance of camera lens batch production is good, yield is high, rear burnt consistance is good.
5. use two motors to control camera lens accurately and carry out focusing zoom, imaging effect is better, effectively saves material resources manpower.
accompanying drawing illustrates:
Fig. 1 is the index path of existing generic pixel camera lens;
Fig. 2 is index path of the present invention;
Fig. 3 is mechanical front view of the present invention;
Fig. 4 is the right view of Fig. 3;
Fig. 5 is sectional view of the present invention;
Wherein the 1, first stepper motor, the 2, second stepper motor, 3, front group of sector gear, 4, front arrangement of mirrors seat, 5, front group of gear, 6, front arrangement of mirrors cylinder, 7, rear cam, 8, rear arrangement of mirrors seat, 9, rear arrangement of mirrors cylindrical shell, 10, reducer casing, 11, rear arrangement of mirrors seat, 12, guide pin.
embodiment:
High definition power zoom of the present invention, focus on monitoring camera, it is characterized in that: group gear (5) before comprising, rear cam (7) and the front arrangement of mirrors cylinder (6) be located in their bodies, rear arrangement of mirrors cylinder (9), be provided with for support lenses front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) in described front arrangement of mirrors cylinder (6) and rear arrangement of mirrors cylindrical shell (9) body, convex key on described front arrangement of mirrors seat (4) outside surface is through the chute on front arrangement of mirrors cylinder (6), and embed the helical orbit being positioned at front group gear (5) inside surface, convex key on rear arrangement of mirrors seat (8) outside surface is through the chute on rear arrangement of mirrors cylinder (9), and embed the helical orbit being positioned at rear cam (7) inside surface, described front group of gear (5) and rear cam (7) side are respectively equipped with the first stepper motor and the second stepper motor moves to drive front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8), in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B, before described, group A is made up of gummed group before negative selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 contiguity successively, described rear group of B by biconvex lens B-1, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 touch first after gummed group is formed, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touches after second that gummed group is formed.
Further, airspace between above-mentioned front group of A and rear group of B is: 20.236mm, in described front group, negative airspace between selenodont lens A-1 and balsaming lens group is: 5.867mm, airspace in described front group between balsaming lens group and light hurdle C is: 3.867 ~ 1.030mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.279 ~ 0.403mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.517mm, airspace after negative selenodont lens B-2 and first between balsaming lens group is: 0.900mm, airspace after first between balsaming lens group and negative selenodont lens B-5 is: 0.900mm, airspace after negative selenodont lens B-5 and second between balsaming lens group is: 1.370mm.
Further, above-mentioned lens focus: f '=3.0 ~ 10.5mm, relative aperture D/F=1/1.4, field angle 2 ω: 132 ° ~ 35.5 ° (effective imaging surface n ' >=φ 6.72mm), be suitable for spectral range: 480nm ~ 850nm, resolution: adaptive with the high-definition camera of 3,000,000 pixels, light path overall length ∑ L≤50mm.
High definition power zoom of the present invention, focus on the control method of monitoring camera, it is characterized in that: group gear (5) before described camera lens comprises, rear cam (7) and the front arrangement of mirrors cylinder (6) be located in their bodies, rear arrangement of mirrors cylinder (9), be provided with for support lenses front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) in described front arrangement of mirrors cylinder (6) and rear arrangement of mirrors cylindrical shell (9) body, convex key on described front arrangement of mirrors seat (4) outside surface is through the chute on front arrangement of mirrors cylinder (6), and embed the helical orbit being positioned at front group gear (5) inside surface, convex key on rear arrangement of mirrors seat (8) outside surface is through the chute on rear arrangement of mirrors cylinder (9), and embed the helical orbit being positioned at rear cam (7) inside surface, described front group of gear (5) and rear cam (7) side are respectively equipped with the first stepper motor and the second stepper motor moves to drive front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8), in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B, before described, group A is made up of gummed group before negative selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 contiguity successively, described rear group of B by biconvex lens B-1, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 touch first after gummed group is formed, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touches after second that gummed group is formed, during control, drive moving axially, to realize power zoom and focusing of front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) by the rotation of the first stepper motor and the second stepper motor.
In order to ensure the airspace between each eyeglass, devise EF spacer ring therebetween.The reducer casing total step number designed in the present invention compare before more, the precision focusing on zoom is also more accurate, comprises two stepper motors 1,2 and drives front group of gear 3 and rear group of gear 5 respectively.
The present invention also has MFZ2.0 function: drive camera lens to carry out power zoom, focusing accurately respectively by two stepper motors, more accurately controlled to realize remote electric by communications protocol softwares such as rear ends 485, realize camera lens power zoom function.
Upgrade function: after being improved by MFZ, the precision focusing on zoom is higher, and step number is more; Winding displacement is more succinct, reasonable with comparing before, and derive after having fixing position, hole to be fixed together by line, pcb board, without stressed, is not easily pulled apart; Focus on zoom at homonymy, upward, volume is less, takes up room little; Gear and cam combine, and packaging efficiency is greatly improved.
Advantage of the present invention:
1. the reasonable distribution focal power of front group of A and rear group of B in this lens optical structure, in rear group of B, changes the 3rd arrangement of mirrors sheet of three-chip type structure as cemented doublet group into, makes camera lens reach the short performance index of object lens of large relative aperture, wide-angle, structure length.
2., by the optical glass material of reasonable selection forward and backward two groups ten seven groups, select the optical glass material of high index of refraction, low dispersion as far as possible.By area of computer aided optical design and optimization, correct the various aberrations of optical lens perfectly, make the resolution of camera lens high, the requirement of 3,000,000 pixel high definition video shootings can be adapted to.
3. when optical design, aberration correction and balance are carried out to the wide spectral range of 480nm ~ 850nm, make camera lens have excellent picture element at wide spectral range, achieve wide spectral confocal.Camera lens can not only blur-free imaging under photoenvironment in the daytime, night pole low-light (level) or zero illumination environment under also can blur-free imaging by infrared light filling, the monitoring continuously that achieves 24 hours, and when day and night switching not defocusing, focus without the need to scene.
4. camera lens uses reinforced plastic, and tool high strength and elasticity coefficient, high impact, serviceability temperature scope are wide, and electrical specification is excellent, is easily moulded and makes, and the consistance of camera lens batch production is good, yield is high, rear burnt consistance is good.
5. use two motors to control camera lens accurately and carry out focusing zoom, imaging effect is better, effectively saves material resources manpower.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. a high definition power zoom, focus on monitoring camera, it is characterized in that: group gear (5) before comprising, rear cam (7) and the front arrangement of mirrors cylinder (6) be located in their bodies, rear arrangement of mirrors cylinder (9), be provided with for support lenses front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) in described front arrangement of mirrors cylinder (6) and rear arrangement of mirrors cylindrical shell (9) body, convex key on described front arrangement of mirrors seat (4) outside surface is through the chute on front arrangement of mirrors cylinder (6), and embed the helical orbit being positioned at front group gear (5) inside surface, convex key on rear arrangement of mirrors seat (8) outside surface is through the chute on rear arrangement of mirrors cylinder (9), and embed the helical orbit being positioned at rear cam (7) inside surface, described front group of gear (5) and rear cam (7) side are respectively equipped with the first stepper motor and the second stepper motor moves to drive front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8), in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B, before described, group A is made up of gummed group before negative selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 contiguity successively, described rear group of B by biconvex lens B-1, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 touch first after gummed group is formed, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touches after second that gummed group is formed.
2. according to the high definition power zoom described in claim 1, focus on monitoring camera, it is characterized in that: the airspace between described front group of A and rear group of B is: 20.236mm, in described front group, negative airspace between selenodont lens A-1 and balsaming lens group is: 5.867mm, airspace in described front group between balsaming lens group and light hurdle C is: 3.867 ~ 1.030mm, airspace in described rear group of B between light hurdle C and biconvex lens B-1 is: 6.279 ~ 0.403mm, airspace between biconvex lens B-1 and negative selenodont lens B-2 is 1.517mm, airspace after negative selenodont lens B-2 and first between balsaming lens group is: 0.900mm, airspace after first between balsaming lens group and negative selenodont lens B-5 is: 0.900mm, airspace after negative selenodont lens B-5 and second between balsaming lens group is: 1.370mm.
3. according to the high definition power zoom described in claim 1, focusing monitoring camera, it is characterized in that: described lens focus: f '=3.0 ~ 10.5mm, relative aperture D/F=1/1.4, field angle 2 ω: 132 ° ~ 35.5 ° (effective imaging surface n ' >=φ 6.72mm), be suitable for spectral range: 480nm ~ 850nm, resolution: adaptive with the high-definition camera of 3,000,000 pixels, light path overall length ∑ L≤50mm.
4. a high definition power zoom, focus on the control method of monitoring camera, it is characterized in that: group gear (5) before described camera lens comprises, rear cam (7) and the front arrangement of mirrors cylinder (6) be located in their bodies, rear arrangement of mirrors cylinder (9), be provided with for support lenses front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) in described front arrangement of mirrors cylinder (6) and rear arrangement of mirrors cylindrical shell (9) body, convex key on described front arrangement of mirrors seat (4) outside surface is through the chute on front arrangement of mirrors cylinder (6), and embed the helical orbit being positioned at front group gear (5) inside surface, convex key on rear arrangement of mirrors seat (8) outside surface is through the chute on rear arrangement of mirrors cylinder (9), and embed the helical orbit being positioned at rear cam (7) inside surface, described front group of gear (5) and rear cam (7) side are respectively equipped with the first stepper motor and the second stepper motor moves to drive front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8), in the optical system of described camera lens along light from left to right incident direction arrange respectively focal power be negative before organize A, iris C that focal power is rear group of positive B and is located between front group of A and rear group of B, before described, group A is made up of gummed group before negative selenodont lens A-1, biconcave lens A-2 and biconvex lens A-3 contiguity successively, described rear group of B by biconvex lens B-1, negative selenodont lens B-2, negative selenodont lens B-3 and biconvex lens B-4 touch first after gummed group is formed, negative selenodont lens B-5, biconvex lens B-6 and negative selenodont lens B-7 touches after second that gummed group is formed, during control, drive moving axially, to realize power zoom and focusing of front arrangement of mirrors seat (4) and rear arrangement of mirrors seat (8) by the rotation of the first stepper motor and the second stepper motor.
5. the control method of high definition power zoom according to claim 4, focusing monitoring camera, is characterized in that: described first stepper motor and the second stepper motor are controlled to realize remote electric by rear end 485 communications protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782977.3A CN104459934A (en) | 2014-12-18 | 2014-12-18 | High-definition electric zoom and focusing monitoring lens and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782977.3A CN104459934A (en) | 2014-12-18 | 2014-12-18 | High-definition electric zoom and focusing monitoring lens and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104459934A true CN104459934A (en) | 2015-03-25 |
Family
ID=52906259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410782977.3A Pending CN104459934A (en) | 2014-12-18 | 2014-12-18 | High-definition electric zoom and focusing monitoring lens and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104459934A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772962A (en) * | 2016-12-28 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of active optics Hartmann focusing lens |
| CN112099204A (en) * | 2020-11-16 | 2020-12-18 | 北京领邦智能装备股份公司 | Lens assembly, imaging device, detection device and detection system |
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| JPS6167011A (en) * | 1984-09-10 | 1986-04-07 | Hitachi Ltd | Zoom lens barrel |
| CN101609206A (en) * | 2009-07-24 | 2009-12-23 | 福州开发区鸿发光电子技术有限公司 | Dual waveband optical zoom lens |
| CN103116213A (en) * | 2013-02-20 | 2013-05-22 | 福建福光数码科技有限公司 | Three-million pixel day and night confocal board lens |
| CN103116210A (en) * | 2013-02-20 | 2013-05-22 | 福建福光数码科技有限公司 | Power zoom, power focusing and full plastic 3-megapixel lens capable of being used in the day and at night |
| CN204287580U (en) * | 2014-12-18 | 2015-04-22 | 福建福光数码科技有限公司 | High definition power zoom, focusing monitoring camera |
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2014
- 2014-12-18 CN CN201410782977.3A patent/CN104459934A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6167011A (en) * | 1984-09-10 | 1986-04-07 | Hitachi Ltd | Zoom lens barrel |
| CN101609206A (en) * | 2009-07-24 | 2009-12-23 | 福州开发区鸿发光电子技术有限公司 | Dual waveband optical zoom lens |
| CN103116213A (en) * | 2013-02-20 | 2013-05-22 | 福建福光数码科技有限公司 | Three-million pixel day and night confocal board lens |
| CN103116210A (en) * | 2013-02-20 | 2013-05-22 | 福建福光数码科技有限公司 | Power zoom, power focusing and full plastic 3-megapixel lens capable of being used in the day and at night |
| CN204287580U (en) * | 2014-12-18 | 2015-04-22 | 福建福光数码科技有限公司 | High definition power zoom, focusing monitoring camera |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772962A (en) * | 2016-12-28 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of active optics Hartmann focusing lens |
| CN112099204A (en) * | 2020-11-16 | 2020-12-18 | 北京领邦智能装备股份公司 | Lens assembly, imaging device, detection device and detection system |
| CN112099204B (en) * | 2020-11-16 | 2021-03-09 | 北京领邦智能装备股份公司 | Lens assembly, imaging device, detection device and detection system |
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Address after: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Applicant after: FUJIAN FORECAM CO., LTD. Address before: 158 No. 350015 Fujian province Fuzhou Mawei District Jiangbin East Avenue Applicant before: Fujian Forecam Optics Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: FUJIAN FORECAM DIGITAL TECHNOLOGY CO., LTD. TO: FUJIAN FORECAM CO., LTD. |
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Application publication date: 20150325 |
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