CN108535856B - Digital microscope - Google Patents
Digital microscope Download PDFInfo
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- CN108535856B CN108535856B CN201710123458.XA CN201710123458A CN108535856B CN 108535856 B CN108535856 B CN 108535856B CN 201710123458 A CN201710123458 A CN 201710123458A CN 108535856 B CN108535856 B CN 108535856B
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- microscope
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- sliding connection
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- 230000003287 optical effect Effects 0.000 claims abstract description 99
- 238000012545 processing Methods 0.000 claims abstract description 30
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011840 criminal investigation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 201000010041 presbyopia Diseases 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/361—Optical details, e.g. image relay to the camera or image sensor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/362—Mechanical details, e.g. mountings for the camera or image sensor, housings
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The invention discloses a digital microscope, which comprises a microscope body and a liquid crystal display rotatably arranged on the microscope body. The microscope body comprises a circuit main control box, an optical microscope unit for collecting optical characteristic information of a measured object or a sample, and a central processing unit for processing digital images and collecting information. The circuit main control box is internally provided with the central processing unit, and the bottom of the circuit main control box is provided with a sliding connection device. The optical microscope unit is connected with the circuit main control box in a sliding way through the sliding connection device. The central processing unit is electrically connected with the optical microscope unit, the sliding connection device and the liquid crystal display. The invention has simple and compact structure, avoids the troublesome step of directly observing the optical ocular lens by eyes and calculating the multiplying power through ocular lens and objective lens multiple (mechanical scale number), can calculate and display the actual multiplying power only through a digital microscope, has high efficiency and practicality and low production cost, and is very suitable for large-area popularization and use.
Description
Technical Field
The invention relates to the technical field of microscopes, in particular to a digital microscope.
Background
At present, most of the conventional microscopes are pure optical systems, the alignment of the ocular lens and the multiple of the objective lens (mechanical scale number) is directly observed by eyes, and then the actual magnification of the microscope is calculated manually. Some split microscopes with optical microscope + camera + external computer or display view the image on the computer or display, the magnification is also calculated the actual magnification by manually using the formula.
And the above-mentioned optical microscope has the following problems:
1. the eye of a person is damaged and visual fatigue is easy to form, and various diopters such as deepening of myopia and advanced presbyopia are also easy to form, so that the user is injured;
2. the existing split microscope of an optical microscope, a light source, a camera and an external computer or display has the disadvantages of huge volume, high cost, poor system integration, complicated installation and debugging and more complicated use and operation;
3. the actual magnification of the 2 common microscopes is not intuitive, and the magnification can be used only by calculation of professionals and professional training and grasping of the calculation method. Increasing inconvenience and labor intensity for the user.
Disclosure of Invention
The invention aims to effectively overcome the defects of the technology and provide a device capable of rapidly displaying multiplying power degrees and reducing visual fatigue. The use efficiency of the digital microscope is effectively improved.
To achieve the purpose, the invention adopts the following technical scheme: the digital microscope comprises a microscope body and a liquid crystal display rotatably arranged on the microscope body, wherein the microscope body comprises a circuit main control box, an optical microscope unit for collecting optical characteristic information of a measured object or a sample, and a central processing unit for processing digital images and collected information; the optical microscope unit is provided with a sensing mechanism for collecting displacement of the optical lens, the circuit main control box is internally provided with the central processing unit, and the bottom of the circuit main control box is provided with a sliding connection device; the optical microscope unit is in sliding connection with the circuit main control box through a sliding connection device; the central processing unit is electrically connected with the optical microscope unit, the sliding connection device and the liquid crystal display.
The optical microscope unit comprises an optical microscope zoom host, an electronic photographing ocular and a camera image sensor; the optical microscope zoom host is arranged below the electronic photographing eye, and the camera image sensor is connected to the electronic photographing eye piece.
The optical microscope zoom host comprises a microscope optical lens capable of moving up and down along the direction of a main optical axis and a displacement sensor for collecting displacement of the microscope optical lens, and the displacement sensor is connected to the side face of the optical microscope zoom host.
The top of the optical microscope zoom host is provided with a sliding connection device capable of driving the optical lens of the microscope to rotate; the bottom of the optical microscope zoom host is fixedly provided with an LED lighting unit, and the LED lighting unit can move along with an optical lens of the microscope.
Wherein the sliding connection device comprises an upper joint plate, a lower joint plate, a spring contact connector and a circuit board; the upper end and the lower end of the circuit board are provided with the spring contact connecting pieces, and the upper connecting plate and the lower connecting plate are transversely arranged on the main optical axis and are connected in a sliding way through the spring contact connecting pieces.
And the end face of the circuit main control box is provided with a multiplying power display for displaying the multiplying power of the digital microscope.
Wherein the camera image sensor is an image sensor or a camera.
Compared with the prior art, the invention has the beneficial effects that: the invention combines the optical technology and the electronic technology of the traditional microscope; when the digital microscope is regulated, a camera image sensor connected to the optical microscope zoom host collects image information, a displacement sensor connected to one side of the optical microscope zoom host collects optical lens displacement information, electric quantity data parameters and the like, and the collected information is processed by a central processing unit and then displayed with a multiplying power value through a multiplying power display and a real-time image and the multiplying power value on a liquid crystal display. The invention has simple and compact structure and convenient use, can realize real-time display of multiplying power, avoids the complicated step of calculating multiplying power by ocular and objective multiple (mechanical scale number) by directly observing the optical ocular by eyes, can display actual multiplying power by the digital microscope, and changes the scale number for the microscope and the way of calculating the multiplying power by a formula. The liquid crystal display can rotate back and forth and left and right, and is convenient for a user to observe at multiple angles or by multiple persons. The invention has the advantages of practicality, high efficiency and low production cost, and is very suitable for large-area popularization and use.
[ description of the drawings ]
FIG. 1 is a schematic diagram of an overall construction embodiment of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the internal structure of the circuit main control box of the present invention;
FIG. 3 is a schematic diagram of an embodiment of a zoom host architecture of an optical microscope according to the present invention;
fig. 4 is a schematic view showing an exploded structure of the sliding connection apparatus of the present invention.
Detailed Description
In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to specific embodiments.
As shown in fig. 1 to 4, a digital microscope includes a microscope body (not shown) and a liquid crystal display 1 rotatably provided on the microscope body, the microscope body including a circuit main control box 2, an optical microscope unit 6 for collecting optical characteristic information of a measured object or a sample, and a central processing unit 4 for performing digital image and collected information processing. The circuit main control box 2 is internally provided with a central processing unit 4, a liquid crystal display circuit board 8 and a sliding connection device 5 at the bottom. The optical microscope unit 6 is slidably connected with the circuit main control box 2 through a sliding connection device 5. The central processing unit 4 is electrically connected with the optical microscope unit 6, the sliding connection device 5 and the liquid crystal display 1.
Specifically, the digital microscope includes a circuit main control box 2, an optical microscope unit 6, and a central processing unit. The liquid crystal display 1 is positioned on the circuit main control box 2 and can rotate back and forth and left and right. The circuit main control box 2 is internally provided with a central processing unit 4 for digital image processing and sensor acquisition information processing and a liquid crystal display circuit board 8, and the liquid crystal display 1 is connected with a video output interface of the liquid crystal display circuit board 8. The positive end face of the circuit main control box 2 is provided with a multiplying power display 3 for displaying the multiplying power of the digital microscope, and the optical microscope unit 6 is in sliding connection with the circuit main control box 2 through a sliding connection device 5. The central processing unit 4 is electrically connected to the optical microscope unit 6, the sliding connection device 5 and the liquid crystal display 1, and the optical microscope unit 6 includes an optical microscope magnification-varying host (including an objective lens) 11, an electronic photographing eyepiece 10 and a camera image sensor 9 (with an image processor). The object (or sample) to be measured is sent to the object stage and placed under the microscope zoom host (including the objective lens) 11, the camera image sensor 9 collects and captures the image information of the electronic photographing ocular lens 10 connected to the optical microscope zoom host 11, and sends the collected and captured image information to the display driving circuit 8 for decoding and displaying real-time images on the liquid crystal display 1. Meanwhile, the displacement sensor 12 is connected to the zoom host 11 of the optical microscope and used for collecting zoom, the displacement sensor 12 transmits the collected information such as displacement track, electric quantity data parameters and the like to the central processing unit 4 for processing according to the moving track of the optical lens during zoom, and the central processing unit 4 calculates the actual magnification of image zooming in or out and displays the actual magnification in real time through the magnification display 3 and the liquid crystal display 1 respectively. The liquid crystal display 1 can not only clearly display an image of a measured object (or a sample) and a magnification value thereof in real time, but also directly convert (measure) size data of the measured object (or the sample) according to the magnification value displayed on a screen.
Preferably, the optical microscope unit 6 includes an optical microscope magnification-varying host 11 (including an objective lens), an electrophotographic eyepiece 10, and a camera image sensor 9 (with an image processor built therein). The camera image sensor 9 is connected to the electronic photographing ocular 10, and the electronic photographing ocular 10 is installed in the circuit main control box 2 and is connected with the optical microscope zoom host 11 through threads. The optical microscope magnification changing host 11 and the center of the electronic photographing eyepiece 10 are coaxially arranged and installed at the bottom of the circuit main control box 2.
Specifically, the optical microscope magnification varying host 11 (including an objective lens) includes a microscope optical lens (not shown) movable up and down in the main optical axis direction, and a displacement sensor 12 for acquiring displacement of the microscope optical lens. The displacement sensor 12 is mounted at a side end of the optical microscope magnification-varying host 11. The top of the optical microscope zoom host 11 is connected with a sliding connection device 5 which can drive a microscope optical lens (not shown) to rotate, an LED lighting unit 7 is arranged at the bottom of the optical microscope zoom host 11, and the LED lighting unit 7 is used for providing a lighting source for an observed object (or sample). The LED lighting unit 7 is arranged in the microscope optical variable magnification main body 11 and is integrally formed with the microscope optical variable magnification main body 11, and the LED lighting unit 7 can move up and down along with the microscope optical lens. The LED lighting unit 7 includes an annular light-emitting driving circuit board and an LED lamp mounted on the annular light-emitting driving circuit board for selectively illuminating in a partitioned manner, that is, the LED lighting unit 7 can control the area illuminated in a partitioned manner, and the light includes visible light and invisible light (mainly referred to as infrared light). The LED illumination unit 7 is also provided with a knob for controlling the brightness of the LEDs and a button for controlling the illumination of the LED partitions.
Preferably, the sliding connection means 5 comprises an upper connector plate 13, a lower connector plate 14, a spring (probe) contact connection 15 and a circuit board 16. The upper and lower ends of the circuit board 16 are provided with spring contact connectors 15, and the upper and lower connection plates 13, 14 are transversely arranged with respect to the main optical axes of the electronic photographing eyepiece 10 and the optical microscope magnification-varying host 11 and are slidably connected by the spring contact connectors 15.
Specifically, the upper and lower ends of the circuit board 16 are each provided with a spring contact connector 15, and the spring contact connectors 15 are used for connecting the upper and lower joint plates 13, 14 for rotational movement along the main optical axis when rotated. The upper connecting plate 13 is arranged on the bottom end face of the circuit control box 2, and the lower connecting plate 14 is arranged on the top end face of the optical microscope zoom host 11. Spring contact connectors 15 mounted on the upper end of the circuit board 16 are in spring contact with the copper foil of the upper connector plate 13; the spring contact connector 15 mounted at the lower end of the circuit board 16 is in spring contact with the copper foil on the lower joint plate 14, and the upper joint plate 13 is slidably connected with the lower joint plate 14 through the spring contact connector 15 mounted at the upper and lower ends of the circuit board 16. That is, when the optical microscope zoom host 11 continuously zooms, the sliding connection device 5 supplies power to the displacement sensor 12 and the driving circuit of the LED lighting unit 7, and simultaneously transmits the displacement information of the microscope optical lens and the displacement movement electric quantity parameters acquired by the displacement sensor 12 to the central processing unit 4.
Preferably, the end face of the circuit main control box 2 is provided with a magnification display 3 for displaying the magnification of the digital microscope. The central processing unit 4 converts the actual multiplying power value of the measured object (or sample) according to the information acquired by the displacement sensor 12, and distributes the actual multiplying power value to the multiplying power display 3 for displaying.
Preferably, the camera image sensor 9 is an image sensor or a camera.
Working principle: the digital microscope can realize the magnification display range of 4 times of the minimum magnification and 20000 times of the maximum magnification by changing the way that the magnification is calculated by the ocular lens and the objective lens multiple (mechanical magnification) by the traditional microscope, and is suitable for the fields of industrial (factory) detection, teaching, medical treatment, criminal investigation, scientific research and the like. The digital microscope can be arranged on a bracket of various general optical microscopes, and the mechanical dimension (76 mm diameter) is unified with the dimension of a body frame of a common binocular stereoscopic microscope bracket. Can be matched with any microscope stand for use. After the whole machine is powered on, the camera image sensor works, acquires and captures image information of an electronic photographing ocular connected to the zoom host of the optical microscope, the display driving circuit decodes the image information and displays images in real time through the liquid crystal display, and meanwhile, the LED lighting unit provides a lighting source for an observed object (or sample). When the digital microscope is regulated, a displacement sensor connected to a zoom host of the optical microscope collects the moving track of the optical lens, the collected moving track of the optical lens and the electric quantity data parameters of the displacement of the moving track are transmitted to a central control processing through a sliding connection device, the central control processing calculates the actual magnification of image enlargement or reduction, and the actual magnification is displayed by a magnification display and a liquid crystal display which are distributed. Thus, the amplification effect and the actual multiple of the measured object (or sample) can be seen in real time.
The invention can realize the magnification display range of 4 times of minimum magnification and 20000 times of maximum magnification by changing the way that the magnification is calculated by the ocular lens and the objective lens multiple (mechanical magnification number) of the traditional microscope. When the digital microscope is regulated, a displacement sensor connected to the zoom host of the optical microscope collects the moving track of the optical lens, and the collected moving track of the optical lens and the electric quantity data parameters of the displacement are transmitted to a central control processing through a sliding connection device, and the central control processing calculates the actual magnification of image enlargement or reduction, so that the real-time display of the magnification is realized. And a liquid crystal display is mounted on the microscope body, and the image is HDMI (High Definition Multimedia Interface) video output, and the liquid crystal display is a 10.6-inch IPS (In-Plane Switching) high-definition liquid crystal display with a resolution of 1920 x 1080. The liquid crystal display can rotate back and forth, left and right and stop, so that a user can conveniently select different directions to observe a sample. The LED lighting unit arranged on the micro-mirror optical lens is integrated with the optical microscope zoom host, can illuminate in different areas, can adjust brightness, and can illuminate in visible light and invisible light (the invisible light mainly refers to infrared light), thereby effectively solving the problem of reflection.
The invention combines the optical technology and the electronic technology of the traditional microscope; when the digital microscope is regulated, a camera image sensor connected to the optical microscope zoom host collects image information, a displacement sensor connected to one side of the optical microscope zoom host collects optical lens displacement information, electric quantity data parameters and the like, and the collected information is processed by a central processing unit and then displayed with a multiplying power value through a multiplying power display and a real-time image and the multiplying power value on a liquid crystal display.
The invention has simple and compact structure and convenient use, can realize real-time display of multiplying power, avoids the complicated step of calculating multiplying power by ocular and objective multiple (mechanical scale number) by directly observing the optical ocular by eyes, can display actual multiplying power by the digital microscope, and changes the scale number for the microscope and the way of calculating the multiplying power by a formula. The liquid crystal display can rotate back and forth, left and right and stop, so that the multi-angle or multi-person observation of a user is facilitated. The device has high efficiency, practicability and low production cost, and is very suitable for large-area popularization and use.
The foregoing description is provided to illustrate the technical contents of the present invention by way of example only, so that the reader can easily understand the technical contents, but it is not intended to limit the embodiments of the present invention thereto, and any technical extension or re-creation according to the present invention is protected by the present invention.
Claims (4)
1. The utility model provides a digital microscope, includes microscope body and rotationally locates the liquid crystal display on the microscope body, its characterized in that: the microscope body comprises a circuit main control box, an optical microscope unit for collecting optical characteristic information of a measured object or a sample, and a central processing unit for processing digital images and collected information; the circuit main control box is internally provided with the central processing unit, and the bottom of the circuit main control box is provided with a sliding connection device; the optical microscope unit is in sliding connection with the circuit main control box through a sliding connection device; the central processing unit is electrically connected with the optical microscope unit, the sliding connection device and the liquid crystal display, and the optical microscope unit comprises an optical microscope zoom host, an electronic photographing ocular and a camera image sensor; the optical microscope zoom host is arranged below the electronic photographing ocular, the camera image sensor is connected to the electronic photographing ocular, the optical microscope zoom host comprises a microscope optical lens capable of moving up and down along the main optical axis direction and a displacement sensor for collecting displacement of the microscope optical lens, the displacement sensor is connected to the side surface of the optical microscope zoom host, and the top of the optical microscope zoom host is provided with a sliding connection device capable of driving the microscope optical lens to rotate; the bottom of the optical microscope zoom host is fixedly provided with an LED lighting unit, the LED lighting unit can move along with an optical lens of the microscope, and the sliding connection device comprises an upper connecting plate, a lower connecting plate, a spring contact connection piece and a circuit board; the upper end and the lower end of the circuit board are provided with the spring contact connecting pieces, and the upper connecting plate and the lower connecting plate are transversely arranged on the main optical axis and are connected in a sliding way through the spring contact connecting pieces.
2. A digital microscope according to claim 1 wherein: the LED lighting unit comprises an annular light-emitting driving circuit board and an LED lamp which is arranged on the annular light-emitting circuit board and can selectively illuminate in a partition mode.
3. A digital microscope according to claim 1 wherein: and a multiplying power display for displaying the multiplying power of the digital microscope is arranged on the end face of the circuit main control box.
4. A digital microscope according to claim 1 wherein: the camera image sensor is an image sensor or a camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123458.XA CN108535856B (en) | 2017-03-03 | 2017-03-03 | Digital microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710123458.XA CN108535856B (en) | 2017-03-03 | 2017-03-03 | Digital microscope |
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| Publication Number | Publication Date |
|---|---|
| CN108535856A CN108535856A (en) | 2018-09-14 |
| CN108535856B true CN108535856B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710123458.XA Active CN108535856B (en) | 2017-03-03 | 2017-03-03 | Digital microscope |
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| CN (1) | CN108535856B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020182088A1 (en) * | 2019-03-08 | 2020-09-17 | Leica Microsystems Trading Ltd Suzhou (Smart) | Digital microscope camera and microscope with digital camera |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606364Y (en) * | 2003-03-05 | 2004-03-10 | 麦克奥迪实业集团有限公司 | Continuous focal-length optical devices |
| CN2852160Y (en) * | 2005-04-11 | 2006-12-27 | 张前 | Digital microscope |
| DE102010030637A1 (en) * | 2010-06-29 | 2011-12-29 | Carl Zeiss Microimaging Gmbh | Method for controlling stereomicroscope, involves displacing optical element about optical path length during shifting of lenses with high and/or less magnifications until same optical magnification is set for viewer as before shifting |
| CN102890340A (en) * | 2011-07-21 | 2013-01-23 | 上海良相智能化工程有限公司 | Three-dimensional video microscope system |
| CN205193348U (en) * | 2015-12-04 | 2016-04-27 | 宁波华光精密仪器有限公司 | Stereo microscope with decide times function |
| CN206804990U (en) * | 2017-03-03 | 2017-12-26 | 刘飞 | A kind of digit microscope |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010063392B4 (en) * | 2010-11-15 | 2016-12-15 | Leica Microsystems (Schweiz) Ag | Microscope with touch screen, associated control and operating procedures |
-
2017
- 2017-03-03 CN CN201710123458.XA patent/CN108535856B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606364Y (en) * | 2003-03-05 | 2004-03-10 | 麦克奥迪实业集团有限公司 | Continuous focal-length optical devices |
| CN2852160Y (en) * | 2005-04-11 | 2006-12-27 | 张前 | Digital microscope |
| DE102010030637A1 (en) * | 2010-06-29 | 2011-12-29 | Carl Zeiss Microimaging Gmbh | Method for controlling stereomicroscope, involves displacing optical element about optical path length during shifting of lenses with high and/or less magnifications until same optical magnification is set for viewer as before shifting |
| CN102890340A (en) * | 2011-07-21 | 2013-01-23 | 上海良相智能化工程有限公司 | Three-dimensional video microscope system |
| CN205193348U (en) * | 2015-12-04 | 2016-04-27 | 宁波华光精密仪器有限公司 | Stereo microscope with decide times function |
| CN206804990U (en) * | 2017-03-03 | 2017-12-26 | 刘飞 | A kind of digit microscope |
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| CN108535856A (en) | 2018-09-14 |
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