CN103926781A - Micro displacement image collecting platform with uniform light source and contrast ratio improving light source combined - Google Patents
Micro displacement image collecting platform with uniform light source and contrast ratio improving light source combined Download PDFInfo
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- CN103926781A CN103926781A CN201410173167.8A CN201410173167A CN103926781A CN 103926781 A CN103926781 A CN 103926781A CN 201410173167 A CN201410173167 A CN 201410173167A CN 103926781 A CN103926781 A CN 103926781A
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Abstract
The invention discloses a micro displacement image collecting platform with a uniform light source and a contrast ratio improving light source combined. A light source main assembly comprises an LED uniform surface light source assembly and a special light source system. The special light source system comprises an iris diaphragm LED mobile light source assembly, a sliding table assembly, a planar optical reflecting mirror assembly and a Fresnel lens. The planar optical reflecting mirror assembly is mounted at one end of the sliding table assembly, and the iris diaphragm LED mobile light source assembly slides on the sliding table assembly. In the micro displacement image collecting platform with the uniform light source and the contrast ratio improving light source combined, the LED uniform surface light source system and the special light source system can be switched through remote control and local control, an appropriate field range is obtained by the way that the light quantity is adjusted through an iris diaphragm, the distance from the LED light source assembly to a reflecting mirror is adjusted by a stepping motor, so that the light sources are imaged on an entrance pupil of a lens through a collecting lens, a light path is changed by the optical planar reflecting mirror, the height of an optical system is reduced, and therefore the size of the micro displacement image collecting platform is reduced.
Description
Technical field
The present invention relates to a kind of microcosmic displacement image collecting device, relate in particular to the microcosmic displacement image acquisition platform that a kind of uniform source of light is combined with lifting contrast light source.
Background technology
In oil exploitation at present, primary recovery meeting causes a large amount of remaining oil geologic reserve.According to the size of distribution scale, remaining oil is divided into microscopic remaining oil and the large class of macroscopical remaining oil two.Microscopic remaining oil is subordinate to hole scale level remaining oil, because its yardstick is very little, so be not easy to directly analyze and study.By displacement test, study microscopic remaining oil, for the regularity of distribution of correct announcement remaining oil, improve recovery ratio and have great importance.
In microscopic displacement experiment, by the micro-image of petrographic thin section being etched on clear glass, be made into glass etching model, the blowhole that glass model is used in emulation oil reservoir is constructed.When carrying out microscopic displacement experiment, use image processing techniques, can analyze distribution and the evolution process of remaining oil, research and analysis microcosmic displacement process.Because need to carry out quantitative test, quality direct impact analysis result, the especially imaging definition at hole edge and the homogeneity of brightness of image that therefore gather image are maximum to the analyzing influence of remaining oil.In microscopic displacement experiment, in order to realize the homogeneity of brightness of image, generally adopt LED uniform area light source, but only adopt LED uniform area light source, the imaging definition at hole edge can reduce.
Summary of the invention
The microcosmic displacement image acquisition platform of object of the present invention with regard to being to provide a kind of uniform source of light to be combined with lifting contrast light source in order to address the above problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The microcosmic displacement image acquisition platform that a kind of uniform source of light is combined with lifting contrast light source, comprise power supply, casing, supporting arm assembly, clamper assembly and camera assembly, also comprise the light source general assembly part being arranged in described casing, described light source general assembly part comprises LED uniform area light source assembly and special light sources system, described special light sources system comprises iris LED mobile light source assembly, slide unit assembly, plane optics mirror assembly and Fresnel Lenses, described plane optics mirror assembly is arranged on one end of described slide unit assembly, described iris LED mobile light source assembly slides on described slide unit assembly, described Fresnel Lenses is placed on described plane optics mirror assembly.
Particularly, described slide unit assembly comprises the first stepper motor, line slideway, guide rail slide block, slide block assembly, screw mandrel, limited block and lever, described line slideway and described screw mandrel be arranged in parallel, described guide rail slide block is arranged on the bottom of described iris LED mobile light source assembly, described guide rail slide block slides on described line slideway by described slide block assembly, described the first stepper motor is arranged under described plane optics mirror assembly, one end of described screw mandrel is in transmission connection by the output shaft of power wheel and described the first stepper motor, described screw mandrel is through the fixed block of described iris LED mobile light source assembly, described fixed block is connected with described iris LED mobile light source assembly, described in when described screw mandrel rotates, fixed block advances or retreats on described screw mandrel.
The first stepper motor is as power source, by screw rod transmission, in fixed block, be provided with the silk mouthful corresponding with screw mandrel, the first stepping motor positive and inverse is realized the rotating of screw mandrel, the final change diaphragm LED mobile light source assembly of realizing advances or retreats on line slideway, can accomplish to regulate LED light source assembly to the distance of reflective mirror, make light source can be imaged on the entrance pupil place of camera lens by condenser.
Further, described limited block is provided with block protruding upward near one end of described plane optics mirror assembly, and the position near described block on described limited block is provided with groove.
Particularly, described iris LED mobile light source assembly comprises LED light source assembly, diffuse reflection pedestal, web joint, polished rod and optoelectronic switch, described LED uniform area light source assembly comprises LED array, astigmatism plate, diffused light source assembly and shifting block, described LED light source assembly is arranged in the housing being comprised of described web joint and described diffuse reflection pedestal, described LED array and described astigmatism plate are installed on described diffused light source assembly, described diffused light source assembly slides on described polished rod, described shifting block is arranged on described diffused light source assembly side, described limited block is arranged on a side of a described line slideway parallel with described line slideway, the middle-end of described web joint and the middle-end of described lever are rotatably connected, the two ends of described lever are provided with roller, the roller that is positioned at described lever lower end rolls on described limited block, the roller that is positioned at described lever upper end rolls on the vertical direction of described shifting block.
By the effect of lever, limited block and shifting block, when iris LED mobile light source assembly is when advancing on line slideway or retreating, position between LED uniform area light source assembly and special light sources system switches, convenient selecting LED uniform area light source assembly or special light sources system at any time.
Particularly, described iris LED mobile light source assembly also comprises diaphragm pedestal, iris, the second stepper motor and the second stepping motor connecting base, described iris is arranged on described LED light source assembly front end, described iris is arranged on described diaphragm pedestal, described the second stepper motor is fixed in described iris LED mobile light source assembly by described the second stepping motor connecting base, in the rotating shaft of described the second stepper motor, be connected with gear, the first swivel base of described gear and described iris is in transmission connection.
By the second stepper motor, can regulate the logical light quantity of iris, obtain suitable field range.
Particularly, described microcosmic displacement image acquisition platform also comprises the first stepper motor driver, the second stepper motor driver and control circuit board, direct supply and the Switching Power Supply being arranged in described casing, the control signal output terminal of described control circuit board is connected with the control signal input end of described the first stepper motor driver and the control signal input end of described the second stepper motor driver respectively, corresponding described the first stepper motor and described the second stepper motor controlled of described the first stepper motor driver and described the second stepper motor driver.
Particularly, described casing comprises header board, rear plate, base plate, cover plate and two side plates, on described header board, be provided with band light boat type switch, the potentiometer assembly that advances, be not with locking press button body and band locking press button body, on described rear plate, be provided with supply socket and nine kinds of needles parallel port.
Particularly, described plane optics mirror assembly comprises reflector bracket, reflective mirror, Fresnel Lenses web joint and mirror image Fresnel Lenses web joint, the hypotenuse of described reflector bracket and ground angle at 45 °, described reflective mirror is placed on the hypotenuse of described reflector bracket, described Fresnel Lenses web joint is arranged on described reflector bracket, and described mirror image Fresnel Lenses web joint is arranged on described Fresnel Lenses web joint.
Particularly, described supporting arm assembly comprises camera box web member, camera cantilever, upright post connecting plate, column section and section bar capping, described column section becomes column with described section bar cover combination, the lower end of described column is connected with described casing by described upright post connecting plate, and the upper end of described column is connected with described camera assembly with described camera box web member by described camera cantilever.
Beneficial effect of the present invention is:
The present invention efficiently solves pore texture that uniform source of light the brings problem not clearly of using, improved picture contrast, simultaneously, LED uniform area light source system and special light sources system can realize switching between the two by long-range and local control, two kinds of light-source systems are combined in Novel platform, by the adjustable logical light quantity of iris, obtain suitable field range, and can regulate LED light source assembly to the distance of catoptron by another stepper motor, make light source can be imaged on the entrance pupil place of camera lens by condenser, and the design of optical flat catoptron has changed opticpath, reduced the height of optical system, thereby reduced the volume of Novel platform, while using special light sources, can regulate iris by stepper motor.
Accompanying drawing explanation
Fig. 1 is uniform source of light of the present invention and promote the perspective view of the microcosmic displacement image acquisition platform that contrast light source is combined;
Fig. 2 is uniform source of light of the present invention and promote the side view of the microcosmic displacement image acquisition platform that contrast light source is combined;
Fig. 3 is uniform source of light of the present invention and promote the rear view of the microcosmic displacement image acquisition platform that contrast light source is combined;
Fig. 4 is the inner structure front view of the general assembly of light source described in the present invention part;
Fig. 5 is the inner structure vertical view of the general assembly of light source described in the present invention part;
Fig. 6 is the structural representation of the LED of iris described in the present invention mobile light source assembly;
Fig. 7 is the A-A diagrammatic cross-section in Fig. 6;
Fig. 8 is the front view of the LED of iris described in the present invention mobile light source assembly;
Fig. 9 is the System Working Principle of special light sources described in the present invention schematic diagram.
In figure: 1-slide unit assembly, 2-iris LED mobile light source assembly, 3-reflector bracket, 4-reflective mirror, the luxuriant and rich with fragrance Neil lens of 5-, the luxuriant and rich with fragrance Neil lens mount of 6-, 7-diffused light source assembly, 8-lever, 9-deep groove ball bearing, 10-the first plain cushion, 11-bullet pad, 12-hexagon socket cap head screw M5X16, 13-hexagon socket cap head screw M5X12, 14-shifting block, 15-copper sheathing, 16-limited block, 17-drag chain assembly, 18-the first stepper motor driver, 19-the second stepper motor driver, plate after 20-, 21-header board, 22-the first side plate, 23-Rubber foot, 24-cover plate, 25-supply socket, 26-objective table glass, 27-direct supply, 28-Switching Power Supply, 29-band light boat type switch, 30-nine kinds of needles parallel port, the 31-potentiometer assembly that advances, 32-control circuit board, 33-control circuit board mount, 34-is not with locking press button body, 35-band locking press button body, 36-EE-SX672 optoelectronic switch, 37-the first anti-dazzling screen, 38-Cross Recess Head Screw M2X4, 39-copper post, the luxuriant and rich with fragrance Neil lens of 40-web joint, 41-mirror is to Fei Nier lens web joint, 42-hexagon socket cap head screw M5X20, 43-back up pad, 44-hexagon socket cap head screw M5X12, 45-the second side plate, 46-light source general assembly part, 47-camera assembly, 48-column section, the capping of 49-section bar, 50-upright post connecting plate, 51-hexagon socket cap head screw M5X25, 52-hexagon socket cap head screw M5X12, 53-hexagon socket cap head screw M5X16, 54-camera cantilever, 55-camera box web member, 56-clamper assembly, 57-iris, 58-LED light source assembly, 59-the second swivel base, 60-pedestal, 61-the first swivel base, 62-the second stepper motor, 63-gear, 64-gear anchor ear, 65-the second stepping motor connecting base, 66-diffuse reflection pedestal, 67-polished rod, 68-M3X6, 69-M2.5X10, 70-hexagon socket cap head screw M2X8, 71-M3X8, 72-the second plain cushion, 73-web joint, 74-fixed block, 75-drag chain support, 76-EE-3X672 optoelectronic switch, 77-the second anti-dazzling screen, 78-Cross Recess Head Screw M2X4.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figures 1 to 8, the microcosmic displacement image acquisition platform that a kind of uniform source of light of the present invention is combined with lifting contrast light source, comprise power supply, casing, supporting arm assembly, clamper assembly 56 and camera assembly 47, also comprise the light source general assembly part 46 being arranged in casing, light source general assembly part 46 comprises LED uniform area light source assembly and special light sources system, special light sources system comprises iris LED mobile light source assembly 2, slide unit assembly, plane optics mirror assembly and Fresnel Lenses 5, plane optics mirror assembly is arranged on one end of slide unit assembly, iris LED mobile light source assembly 2 slides on slide unit assembly, Fresnel Lenses 5 is placed on plane optics mirror assembly.Slide unit assembly comprises the first stepper motor, line slideway, guide rail slide block, slide block assembly, screw mandrel, limited block 16 and lever 8, line slideway and screw mandrel be arranged in parallel, guide rail slide block is arranged on the bottom of iris LED mobile light source assembly 2, guide rail slide block slides on line slideway by slide block assembly, the first stepper motor is arranged under plane optics mirror assembly, one end of screw mandrel is in transmission connection by the output shaft of power wheel and the first stepper motor, screw mandrel is through the fixed block 74 of iris LED mobile light source assembly 2, fixed block 74 is connected with iris LED mobile light source assembly 2, when screw mandrel rotates, fixed block 74 advances or retreats on screw mandrel.Limited block 16 is provided with block protruding upward near one end of plane optics mirror assembly, and the position near block on limited block 16 is provided with groove.Iris LED mobile light source assembly 2 comprises LED light source assembly 58, diffuse reflection pedestal 66, web joint 73, polished rod 67 and EE-SX672 optoelectronic switch 36, LED uniform area light source assembly comprises LED array, astigmatism plate, diffused light source assembly 7 and shifting block 14, LED light source assembly 58 is arranged in the housing being comprised of web joint 73 and diffuse reflection pedestal 66, LED array and astigmatism plate are installed on diffused light source assembly 7, diffused light source assembly 7 slides on polished rod 67, shifting block 14 is arranged on diffused light source assembly 7 sides, limited block 16 is arranged on a side of a line slideway parallel with line slideway, the middle-end of the middle-end of web joint and lever 8 is rotatably connected, the two ends of lever 8 are provided with roller, the roller that is positioned at lever 8 lower ends rolls on limited block 16, the roller that is positioned at lever 8 upper ends rolls on the vertical direction of shifting block 14.Iris LED mobile light source assembly 2 also comprises diaphragm pedestal, iris, the second stepper motor and the second stepping motor connecting base, iris is arranged on LED light source assembly 58 front ends, iris is arranged on diaphragm pedestal, the second stepper motor is fixed in iris LED mobile light source assembly 2 by the second stepping motor connecting base, in the rotating shaft of the second stepper motor, be connected with gear, the first swivel base of gear and iris is in transmission connection.Microcosmic displacement image acquisition platform also comprises the first stepper motor driver 18, the second stepper motor driver 19 and control circuit board, direct supply 27 and the Switching Power Supply 28 being arranged in casing, the control signal output terminal of control circuit board is connected with the control signal input end of the second stepper motor driver 19 with the control signal input end of the first stepper motor driver 18 respectively, the first stepper motor driver 18 and corresponding the first stepper motor and the second stepper motor controlled of the second stepper motor driver 19.Casing comprises header board 21, rear plate 20, base plate, cover plate 24 and two side plates, on header board 21, be provided with band light boat type switch 29, the potentiometer assembly 31 that advances, be not with locking press button body and band locking press button body, on rear plate 20, be provided with supply socket 25 and nine kinds of needles parallel port 30.Plane optics mirror assembly comprises reflector bracket 3, reflective mirror 4, Fresnel Lenses web joint and mirror image Fresnel Lenses web joint, the hypotenuse of reflector bracket 3 and ground angle at 45 °, reflective mirror 4 is placed on the hypotenuse of reflector bracket 3, Fresnel Lenses web joint is arranged on reflector bracket 3, and mirror image Fresnel Lenses web joint is arranged on Fresnel Lenses web joint.Supporting arm assembly comprises camera box web member, camera cantilever, upright post connecting plate, column section and section bar capping, column section becomes column with section bar cover combination, the lower end of column is connected with casing by upright post connecting plate, and the upper end of column is connected with camera assembly with camera box web member by camera cantilever.
In figure, also show slide unit assembly 1, luxuriant and rich with fragrance Neil lens mount 6, deep groove ball bearing 9, the first plain cushion 10, bullet pad 11, hexagon socket cap head screw M5X16 (12), hexagon socket cap head screw M5X12 (13), copper sheathing 15, drag chain assembly 17, side plate comprises the first side plate 22 and the second side plate 45, Rubber foot 23, objective table glass 26, control circuit board mount 33, EE-SX672 optoelectronic switch 36, the first anti-dazzling screen 37, Cross Recess Head Screw M2X4 (38), copper post (39), hexagon socket cap head screw M5X20 (42), back up pad 43, hexagon socket cap head screw M5X12 (44), hexagon socket cap head screw M5X25 (51), hexagon socket cap head screw M5X12 (52), hexagon socket cap head screw M5X16 (53), the second swivel base 59, gear anchor ear 64, diffused light pedestal 66, M3X6 (68), M2.5X10 (69), hexagon socket cap head screw M2X8 (70), M3X8 (71), the second plain cushion 72, drag chain support 75, EE-3X672 optoelectronic switch 76, the second anti-dazzling screen 77, Cross Recess Head Screw M2X4 (78).Wherein drag chain assembly 17 is arranged on iris LED mobile light source assembly 2 sides, with the moving and deform of iris LED mobile light source assembly 2, avoids occurring that circuit too much causes the situation that circuit is wound around to occur.The second anti-dazzling screen 77 is the anti-dazzling screen in iris 57.
Principle of work of the present invention:
As shown in Figure 9, the output control signal of control circuit board is controlled respectively the first stepper motor driver 18 and the second stepper motor driver 19, the first stepper motor drivers 18 and the second stepper motor driver 19 and is driven respectively the first stepper motor and the second stepper motor 62.When driving the first stepper motor, the first stepping machine operation, its rotating shaft drives screw mandrel to rotate by power wheel, because the effect of fixed block 74, guide rail slide block, slide block assembly and line slideway has realized iris LED mobile light source assembly 2 and has slided on line slideway, can accomplish to regulate LED light source assembly 58 to the distance of reflective mirror 4, make light source can be imaged on the entrance pupil place of camera lens by condenser.Meanwhile, when driving the second stepper motor 62, the second stepper motor 62 work, its rotating shaft is in transmission connection by gear 63 and the first swivel base 61, control the second anti-dazzling screen 77 closures or opening degree, can regulate the logical light quantity of iris 57, obtain suitable field range.Again because the effect of lever 8, limited block 16 and the shifting block 14 of shape uniqueness, when iris LED mobile light source assembly 2 is when advancing on line slideway or retreating, position between LED uniform area light source assembly and special light sources system switches, convenient selecting LED uniform area light source assembly or special light sources system at any time.
Although above the present invention is explained in detail, be not limited to this, the embodiment that those skilled in the art can not depart from its Spirit Essence or essential feature by other realizes.Therefore the various modifications that, all interior perhaps principles of recording according to the present invention are carried out all should be understood to fall into protection scope of the present invention.
Claims (9)
1. a uniform source of light and the microcosmic displacement image acquisition platform that promotes contrast light source and be combined, comprise power supply, casing, supporting arm assembly, clamper assembly and camera assembly, it is characterized in that: also comprise the light source general assembly part being arranged in described casing, described light source general assembly part comprises LED uniform area light source assembly and special light sources system, described special light sources system comprises iris LED mobile light source assembly, slide unit assembly, plane optics mirror assembly and Fresnel Lenses, described plane optics mirror assembly is arranged on one end of described slide unit assembly, described iris LED mobile light source assembly slides on described slide unit assembly, described Fresnel Lenses is placed on described plane optics mirror assembly.
2. the microcosmic displacement image acquisition platform that uniform source of light according to claim 1 is combined with lifting contrast light source, it is characterized in that: described slide unit assembly comprises the first stepper motor, line slideway, guide rail slide block, slide block assembly, screw mandrel, limited block and lever, described line slideway and described screw mandrel be arranged in parallel, described guide rail slide block is arranged on the bottom of described iris LED mobile light source assembly, described guide rail slide block slides on described line slideway by described slide block assembly, described the first stepper motor is arranged under described plane optics mirror assembly, one end of described screw mandrel is in transmission connection by the output shaft of power wheel and described the first stepper motor, described screw mandrel is through the fixed block of described iris LED mobile light source assembly, described fixed block is connected with described iris LED mobile light source assembly, described in when described screw mandrel rotates, fixed block advances or retreats on described screw mandrel.
3. the microcosmic displacement image acquisition platform that uniform source of light according to claim 1 is combined with lifting contrast light source, it is characterized in that: described limited block is provided with block protruding upward near one end of described plane optics mirror assembly, the position near described block on described limited block is provided with groove.
4. the microcosmic displacement image acquisition platform that uniform source of light according to claim 1 and 2 is combined with lifting contrast light source, it is characterized in that: described iris LED mobile light source assembly comprises LED light source assembly, diffuse reflection pedestal, web joint, polished rod and optoelectronic switch, described LED uniform area light source assembly comprises LED array, astigmatism plate, diffused light source assembly and shifting block, described LED light source assembly is arranged in the housing being comprised of described web joint and described diffuse reflection pedestal, described LED array and described astigmatism plate are installed on described diffused light source assembly, described diffused light source assembly slides on described polished rod, described shifting block is arranged on described diffused light source assembly side, described limited block is arranged on a side of a described line slideway parallel with described line slideway, the middle-end of described web joint and the middle-end of described lever are rotatably connected, the two ends of described lever are provided with roller, the roller that is positioned at described lever lower end rolls on described limited block, the roller that is positioned at described lever upper end rolls on the vertical direction of described shifting block.
5. the microcosmic displacement image acquisition platform that uniform source of light according to claim 4 is combined with lifting contrast light source, it is characterized in that: described iris LED mobile light source assembly also comprises diaphragm pedestal, iris, the second stepper motor and the second stepping motor connecting base, described iris is arranged on described LED light source assembly front end, described iris is arranged on described diaphragm pedestal, described the second stepper motor is fixed in described iris LED mobile light source assembly by described the second stepping motor connecting base, in the rotating shaft of described the second stepper motor, be connected with gear, the first swivel base of described gear and described iris is in transmission connection.
6. the microcosmic displacement image acquisition platform that uniform source of light according to claim 1 is combined with lifting contrast light source, it is characterized in that: described microcosmic displacement image acquisition platform also comprises the first stepper motor driver being arranged in described casing, the second stepper motor driver and control circuit board, direct supply and Switching Power Supply, the control signal output terminal of described control circuit board is connected with the control signal input end of described the first stepper motor driver and the control signal input end of described the second stepper motor driver respectively, corresponding described the first stepper motor and described the second stepper motor controlled of described the first stepper motor driver and described the second stepper motor driver.
7. the microcosmic displacement image acquisition platform that uniform source of light according to claim 1 is combined with lifting contrast light source, it is characterized in that: described casing comprises header board, rear plate, base plate, cover plate and two side plates, on described header board, be provided with band light boat type switch, the potentiometer assembly that advances, be not with locking press button body and band locking press button body, on described rear plate, be provided with supply socket and nine kinds of needles parallel port.
8. the microcosmic displacement image acquisition platform that uniform source of light according to claim 1 is combined with lifting contrast light source, it is characterized in that: described plane optics mirror assembly comprises reflector bracket, reflective mirror, Fresnel Lenses web joint and mirror image Fresnel Lenses web joint, the hypotenuse of described reflector bracket and ground angle at 45 °, described reflective mirror is placed on the hypotenuse of described reflector bracket, described Fresnel Lenses web joint is arranged on described reflector bracket, and described mirror image Fresnel Lenses web joint is arranged on described Fresnel Lenses web joint.
9. the microcosmic displacement image acquisition platform that uniform source of light according to claim 1 is combined with lifting contrast light source, it is characterized in that: described supporting arm assembly comprises camera box web member, camera cantilever, upright post connecting plate, column section and section bar capping, described column section becomes column with described section bar cover combination, the lower end of described column is connected with described casing by described upright post connecting plate, and the upper end of described column is connected with described camera assembly with described camera box web member by described camera cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410173167.8A CN103926781B (en) | 2014-04-25 | 2014-04-25 | The microscopic flooding image acquisition platform that uniform source of light is combined with lifting contrast light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410173167.8A CN103926781B (en) | 2014-04-25 | 2014-04-25 | The microscopic flooding image acquisition platform that uniform source of light is combined with lifting contrast light source |
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| CN103926781A true CN103926781A (en) | 2014-07-16 |
| CN103926781B CN103926781B (en) | 2016-06-15 |
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| JPH11311955A (en) * | 1998-04-28 | 1999-11-09 | Cabin Kogyo Kk | Material lighting device of material presenting device |
| CN2619293Y (en) * | 2003-05-31 | 2004-06-02 | 深圳市海洋王投资发展有限公司 | Photography luminaire |
| JP2006133690A (en) * | 2004-11-09 | 2006-05-25 | Sugiura Kenkyusho:Kk | Lighting system for photographing |
| CN200989985Y (en) * | 2006-12-14 | 2007-12-12 | 沈力飞 | Subdued light box with light source for photography |
| CN203786444U (en) * | 2014-04-25 | 2014-08-20 | 成都西图科技有限公司 | Microscopic displacement image acquisition platform with combination of uniform light source and contrast raising light source |
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2014
- 2014-04-25 CN CN201410173167.8A patent/CN103926781B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11311955A (en) * | 1998-04-28 | 1999-11-09 | Cabin Kogyo Kk | Material lighting device of material presenting device |
| CN2619293Y (en) * | 2003-05-31 | 2004-06-02 | 深圳市海洋王投资发展有限公司 | Photography luminaire |
| JP2006133690A (en) * | 2004-11-09 | 2006-05-25 | Sugiura Kenkyusho:Kk | Lighting system for photographing |
| CN200989985Y (en) * | 2006-12-14 | 2007-12-12 | 沈力飞 | Subdued light box with light source for photography |
| CN203786444U (en) * | 2014-04-25 | 2014-08-20 | 成都西图科技有限公司 | Microscopic displacement image acquisition platform with combination of uniform light source and contrast raising light source |
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| CN103926781B (en) | 2016-06-15 |
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