CN101738827A - usb digital industrial camera - Google Patents
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- CN101738827A CN101738827A CN200910243884A CN200910243884A CN101738827A CN 101738827 A CN101738827 A CN 101738827A CN 200910243884 A CN200910243884 A CN 200910243884A CN 200910243884 A CN200910243884 A CN 200910243884A CN 101738827 A CN101738827 A CN 101738827A
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Abstract
The invention relates to a USB digital industrial camera which comprises a camera device and a set of presentation software, wherein the camera device comprises a USB master controller, a programmable digital logic chip, a dynamic memory, an analog front-end plate, a CCD front-end collection plate, a USB 2.0 universal bus interface and a power management unit and has the advantages of fast collection speed, high resolution ratio, simple and intuitive use, and the like; and the presentation software of the camera is operated on a PC and comprises a camera base attribute control module, a camera working mode control module, a camera image processing module and a camera image automatic regulating function control module. The presentation software realizes the high-speed communication with the camera device by utilizing a USB digital interface, thereby controlling the working of the camera device. The invention has small and exquisite appearance, compact structure, functional integration, convenient installation and use and simple software setting, is widely applied in the fields of the detection of semiconductors and parts as well as defects of printed circuit boards, traffic monitoring, biomedical image acquisition, the manufacturing of certificates and cards, the detection of various industrial flaws, the identification of optical characters and bar codes, and the like, and provides solutions with high cost performance for users.
Description
Technical field
The invention belongs to machine vision image measurement and mode identification technology, be specifically related to a kind of USB Techno-Industrial camera that is used for industrial detection and identification.
Background technology
The detection and Identification of product are important links in the commercial production, present most of producer all adopts manual detection, and manual detection speed is slow, and accuracy rate is low, particularly be not suitable for manually-operated place in some danger, pollution etc., the shortcoming of manual detection is just more obvious.
Fast development along with the machine vision industry, machine vision equipment has replaced manual detection gradually because of the characteristics of its high speed, high-accuracy, but traditional machine vision equipment also exists many defectives,, complex structure big as: cost height, volume, software development cycle are long, be unfavorable for the installation of production line, and must rely on external power supply, this makes that machine vision equipment is difficult to be widely used in the commercial production.
Therefore, now field of machine vision is badly in need of that a kind of image transmission speed is fast, resolution is high, interface is friendly, cost performance is high, the small-sized machine vision equipment of dispense with outer connecting power.
Summary of the invention
For solving the above-mentioned problems in the prior art, the invention discloses a kind of USB Techno-Industrial camera that is applied to the black and white/colour of field of machine vision, it with multiple highly-integrated functions in camera inside, adopt the ccd image sensor of USB2.0 data output interface and total pixel 1,400,000～5,000,000 pixels, can trigger or continuous acquisition by external signal, have characteristics such as picking rate is fast, image definition height.USB Techno-Industrial camera adopts the design philosophy of software and hardware combining, and by USB interface, the communication between the demoware of realizing moving on camera hardware and the PC has further facilitated the user and carried out the visit of data and the monitoring of industrial process.
The present invention is specifically by the following technical solutions:
A kind of USB Techno-Industrial camera comprises a camera apparatus and a cover demoware, and described demoware operates on the PC, controls the work of described camera apparatus; It is characterized in that:
Described camera apparatus comprises USB primary controller, programmable digital logic chip, dynamic storage, AFE (analog front end) plate, CCD front-end collection plate, USB general purpose interface bus, Power Management Unit;
Wherein, described CCD front-end collection plate is used for perception external image information, its output terminal links to each other with the input end of AFE (analog front end) plate, it is digital signal that described AFE (analog front end) plate is used for the analog signal conversion from described CCD front-end collection plate input, and the digital signal after will changing inputs to the programmable digital logic chip, the generation of needed drive signal when carrying out data processing, the work of control CCD front-end collection plate in described programmable logic chip;
Described dynamic storage links to each other with described programmable digital logic chip, is used to carry out the buffer memory and the transfer of data;
Described USB general purpose interface bus is used to set up the power supply that is connected and obtains 5V of camera apparatus and the demoware of PC end;
The voltage transitions that Power Management Unit is mainly used in external world's input is the needed voltage of USB Techno-Industrial camera;
Described USB primary controller is connected to described USB general purpose interface bus and described programmable digital logic chip respectively, is responsible for the steering order of reception and object computer;
Operate in demoware on the PC and utilize the USB general purpose interface bus to realize high-speed communication with described camera apparatus, thus the work of control camera apparatus.
Demoware is that a cover is installed on the PC, and realizes the software of communicating by letter between demoware and the camera apparatus based on the USB2.0 data-interface.Demoware preferably includes but is not limited to following 4 modules: camera base attribute control module, camera mode of operation control module, camera image processing module and the automatic regulatory function control module of camera image.
Camera base attribute control module is used to dispose each attribute of camera, mainly comprises the biasing of RGB gain, global gain, time shutter and RGB gain.
Camera mode of operation control module is used to be provided with the chart-pattern of adopting of camera work, mainly comprise continuous mode collection, software trigger type collection, hardware trigger type collection, wherein the continuous mode collection is divided into continuous acquisition under the rolling shutter mode and the continuous acquisition under the global shutter mode.
The camera image processing module is used for the image of gathering is carried out image processing operations, realize the special efficacy of image, and realize the demonstration and the preservation of image, mainly comprise the convergent-divergent processing capacity of original Bayer image transitions coloured image demonstration, jpeg image decoding, image preservation in real time, brightness, contrast, Gamma correction, saturation degree and image.
The automatic regulatory function control module of camera image is used for regulating automatically the color of image, mainly comprises the Automatic white balance function of the RGB color of image, by regulating the Automatic white balance function, can use camera output to recover optimum color.
Workflow between each module of demoware preferably includes following steps:
(1) driver of installation USB camera on PC;
(2) on PC, start demoware, utilize the USB2.0 interface that demoware and camera apparatus are set up one and newly be connected;
(3) attribute of configuration camera apparatus in camera base attribute control module;
(4) chart-pattern of adopting of camera apparatus is set in camera mode of operation control module;
(5) after parameter configuration finishes, if camera judges that adopt chart-pattern is trigger mode, then wait for the input of software trigger or hardware trigger signal after, just begin to gather instant image; If not trigger mode then carries out images acquired according to the continuous acquisition of rolling shutter mode or the continuous acquisition pattern of global shutter mode, and be shown on the PC end, by checking realtime graphic, the user can be manually or the color of regulating camera automatically;
(6) user carries out image processing operations according to actual needs in image processing module then, makes the image of collection reach the user expectation effect;
(7) adopt figure and finish after, the user can be stored in this locality to image by image processing module;
(8) demoware stops to adopt figure, and being connected of disconnection and camera.
USB Techno-Industrial camera applications of the present invention is very extensive, relate generally to the detection of semiconductor and part, the detection of defect of printed circuit board, the monitoring of traffic, biomedical image acquisition, the making of certificate card, the detection of various industrial flaw detections, the identification of optical character and the fields such as identification of bar code, the solution of high performance-price ratio is provided for the user.
Description of drawings
Fig. 1 is a physical construction block diagram of the present invention;
Fig. 2 is a camera specification table of the present invention;
Fig. 3 is a camera apparatus hardware block diagram of the present invention;
Fig. 4 is camera output cable definition figure of the present invention;
Fig. 5 is a camera spectrum character diagram of the present invention;
Fig. 6 is a demoware workflow diagram of the present invention.
Embodiment
For a more clear understanding of the present invention, below in conjunction with accompanying drawing and concrete example, the present invention is described in further detail.The present invention includes camera hardware, driver and demoware program.
One, the physical construction of camera
The external form of USB Techno-Industrial camera such as accompanying drawing 1, this camera can connect the standard lens of C-mount interface.Be connected on the computer or embedded device that has the USB-Host interface by the USB line simultaneously.
USB Techno-Industrial camera is powered by USB.Image data transmission all is to be undertaken by usb bus simultaneously.Comprise that the various configurations to the front-end collection part also are to be undertaken by usb bus.
Two, the specifications parameter of camera
The specifications parameter of this camera as shown in Figure 2, concrete regulation is as follows:
1, image of camera sensor (Image sensor) adopts the 1/2-inch ccd image sensor;
2, valid pixel number (Effective pixels) is 1280 (H) * 1024 (V);
3, the size of each pixel (Pixel size) is 4.65 μ m * 4.65 μ m/pixel;
4, picture format (Image Format) adopts colored 24bits;
5, sampling precision (Bit Depth) is 8 or 10;
6, scan mode (Scanning) adopts full frame scanning line by line;
7, triggering mode (Trigger) comprises continuous acquisition, external trigger, software trigger;
8, frame rate (Frame rate) was 12 frame/seconds;
9, A/D (Analog/Digital) is 256 grades;
10, the USB2.0 interface is used in output (Output);
11, I/O (input/output) adopts outer triggering signal input and stroboscopic control output;
12, electronic shutter uses global shutter;
13, power supply (Power supply) adopts outside input power supply;
14, power consumption (Power consumption) is 5V/2.2W;
15, camera lens bayonet socket (Lens mount) can use C-Mount or CS-Mount;
16, physical dimension (Dimensions) is 66mm * 55mm * 35mm (length);
17, when work, camera temperature (Temperature) is between 0 ~ 45 ℃, and under preservation state, the camera temperature is between-10 ~ 65 ℃;
18, under work and preservation state, the relative humidity of camera (Humidity) all is between 10 ~ 90%;
19, the weight of camera (Weight) is about 120g.
Three, the hardware configuration of camera
Accompanying drawing 3 has provided the hardware configuration of camera apparatus, and its principle of work is:
1, USB Techno-Industrial camera with after demoware on the PC is connected, has obtained the power supply of 5V by the USB2.0 general purpose interface bus from the USB2.0 general purpose interface bus.Be the 5V voltage transitions 3.3V and the 1.4V voltage that system needs by Power Management Unit then, power as camera;
2, the USB primary controller has adopted the CY68013 single-chip microcomputer, and the program of its inside mainly is responsible for USB interface communication and is paid with the data and the order of programmable digital logic chip.When camera apparatus was connected to USB interface of computer, the program of USB primary controller inside can be moved automatically simultaneously.After the USB primary controller works on power and receives the images acquired instruction that the demoware of PC end sends, the programmable digital logic chip is carried out initialized configuration by the I2C bus;
3, after the programmable digital logic chip is received the initialization directive of USB primary controller, needed vertical driving signal when beginning to produce the work of CCD front-end collection plate.By spi bus the AFE (analog front end) plate is carried out initialization simultaneously;
4, after the initialization of AFE (analog front end) plate is passed through, needed horizontal drive signals when then producing the work of CCD front-end collection plate;
5, under all correct situation of operating voltage and drive signal, CCD front-end collection plate begins to line by line scan at a high speed, carries out sensitization and frame transfer operation;
6, CCD front-end collection plate is transferred to the AFE (analog front end) plate to the image analoging signal that perceives, and the AFE (analog front end) plate carries out analog to digital conversion to input signal;
7, the programmable digital logic chip carries out data processing to the digital signal of AFE (analog front end) plate output, simultaneously the memory chip that connects of programmable digital logic chip has been configured to the dynamic storage of first-in first-out at device inside, and dynamic storage provides the function of data buffering and transfer;
8, the USB primary controller receives the data that the conversion of programmable digital logic chip finishes, by the USB general purpose interface bus data transmission and be shown on the demoware of PC end.
Four, the definition of camera output cable
Camera is furnished with output cable, is used for the input of various trigger pips and external power supply, and output cable is divided into 5 pins, as shown in Figure 4, and being defined as follows of each pin:
1, pin one (Pin1): 5V external power supply input;
2, pin two (Pin2): external trigger signal positive input;
3, pin 3 (Pin3): stroboscopic control output;
4, pin 4 (Pin4): the negative input of external trigger signal;
5, pin 5 (Pin5): digitally.
Five, the spectral characteristic of camera
USB Techno-Industrial camera adopts 1/2-inch CCD color image sensor, and CCD claims charge-coupled image sensor again, it be with electric charge as signal, and have the element of electric charge forwarding function.In photoelectric conversion process, the light sensitivity characteristic of CCD can influence the color of reproduced image greatly, determines that also reference object could be with the color rendering identical with script, so the spectral sensitivity characteristic of CCD is the key factor of decision color reprodubility.The spectrum character diagram of USB Techno-Industrial camera as shown in Figure 5.In accompanying drawing 5, the light sensitivity of ccd sensor changes along with wavelength change, and three curves have been represented respectively under the situation of different wave length, and ccd sensor is to the photoperceptivity of red blue green light, wherein the axis of ordinates representative is the relative luminous sensitivity of CCD, and what abscissa axis was represented is wavelength.When wavelength is between 450nm ~ 500nm, CCD is about 0.9 to the relative sensitivity of blue light, and wavelength is between 500nm ~ 550nm the time, and CCD can reach 0.92 to the relative sensitivity of green glow, wavelength is between 600nm ~ 650nm the time, and CCD can reach 0.99 to the relative sensitivity of ruddiness.Therefore, the user can analyze the spectrum character diagram of camera, regulates the light sensitivity of camera CCD to red blue green light according to self-demand again, thereby improves the chromaticity of image.
Six, the workflow of demoware
Demoware is the camera software kit that operates on the PC, and it mainly comprises: camera base attribute control module, camera mode of operation control module, camera image processing module and the automatic regulatory function control module of camera image.
Accompanying drawing 6 describes the workflow of demoware in detail:
1, before using USB2.0 interface connection camera, need on PC, to install earlier the driver of USB camera, installation steps are as follows:
Remove the capping of camera lens interface, the C interface camera lens is installed to camera;
Open the aperture of camera lens, camera is inserted computing machine USB2.0 interface by the USB cable;
Windows promptly ejects the window of the new hardware of discovery and carries out by the automatic software installation option of acquiescence, and up to the driver installation, new USB2.0 camera enters Windows managing hardware device device.
2, on PC, start demoware, utilize USB2.0 interface and camera to set up one and newly be connected, realize the high-speed communication between demoware and the camera.In addition, USB Techno-Industrial camera supports single computer to connect many cameras.When connecting many cameras to a plurality of USB2.0 interface of same computing machine, in the managing hardware device device of computing machine, can show and have many cameras, and be connected to the sequencing of computing machine according to camera, driver can distribute UNIC-0 successively for camera; UNIC-1; Device numbers such as UNIC-2, the user can control many cameras by demoware and is configured and images acquired like this
3, the attribute of configuration camera in camera base attribute control module: the biasing of RGB gain, global gain, time shutter and RGB gain.
4, the chart-pattern of adopting of camera is set in camera mode of operation control module, mainly comprises continuous acquisition, the continuous acquisition under the global shutter mode, software trigger type collection and hardware trigger type collection under the rolling shutter mode.
5, after parameter configuration finishes, camera judges automatically whether adopt chart-pattern is trigger mode, if trigger mode, after then waiting for the input of software trigger or hardware trigger signal, just begin to gather instant image, the user can discern the instant image applications of capturing in bar-code identification, general target, car plate identification, measurement or the like field.If camera judges that adopting chart-pattern is not trigger mode, then carry out images acquired according to the continuous acquisition of rolling shutter mode or the continuous acquisition pattern of global shutter mode, when wherein the continuous acquisition of rolling shutter mode is meant the camera images acquired, the exposure image of the delegation of sensor delegation of front end, when the continuous acquisition pattern of global shutter mode is meant the camera images acquired, the sensor moment exposure entire image of front end.The image of camera collection sends the image processing module of demoware to by USB interface, and is shown on the PC end.By checking realtime graphic, the user can the manual adjustments camera the build-in attribute of lens focus, aperture and camera, as RGB look yield value, obtain image with this than good quality, also can use the function of the Automatic white balance in the automatic regulatory function control module of image, regulate color to an optimum condition of camera automatically.
6, the user is according to actual needs then, in image processing module, carry out image processing operations, the convergent-divergent that comprises original Bayer image transitions coloured image demonstration, jpeg image decoding, brightness, contrast, Gamma correction, saturation degree and image is handled, and makes the image of collection reach the user expectation effect.
7, after adopting graphic operation and finishing, the user can also be stored in this locality to the image of gathering by image processing module.
8, demoware stops to adopt figure, extracts the USB cable from the USB2.0 interface, and the demoware disconnection is connected with camera.
The embodiment that more than provides is only in order to explanation the present invention and its practical application, be not that the present invention is done any pro forma restriction, any one professional and technical personnel is in the scope that does not depart from technical solution of the present invention, and above technology of foundation and method do certain modification and the equivalent embodiment that is considered as equivalent variations is worked as in change.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (8)
1. a USB Techno-Industrial camera comprises a camera apparatus and a cover demoware, and described demoware operates on the PC, controls the work of described camera apparatus; It is characterized in that:
Described camera apparatus comprises USB primary controller, programmable digital logic chip, dynamic storage, AFE (analog front end) plate, CCD front-end collection plate, USB general purpose interface bus, Power Management Unit;
Wherein, described CCD front-end collection plate is used for perception external image information, its output terminal links to each other with the input end of AFE (analog front end) plate, it is digital signal that described AFE (analog front end) plate is used for the analog signal conversion from described CCD front-end collection plate input, and the digital signal after will changing inputs to the programmable digital logic chip, the generation of needed drive signal when carrying out data processing, the work of control CCD front-end collection plate in described programmable logic chip;
Described dynamic storage links to each other with described programmable digital logic chip, is used to carry out the buffer memory and the transfer of data;
Described USB general purpose interface bus is used to set up the power supply that is connected and obtains 5V of camera apparatus and the demoware of PC end;
The voltage transitions that Power Management Unit is mainly used in external world's input is the needed voltage of USB Techno-Industrial camera;
Described USB primary controller is connected to described USB general purpose interface bus and described programmable digital logic chip respectively, is responsible for the steering order of reception and object computer; The demoware that operates on the PC utilizes the USB general purpose interface bus to realize and the high-speed communication of described camera apparatus, controls the work of camera apparatus.
2. USB Techno-Industrial camera according to claim 1 is characterized in that: described demoware further comprises camera base attribute control module, camera mode of operation control module, camera image processing module, the automatic regulatory function control module of camera;
Described camera base attribute control module is the attribute that is used to dispose camera apparatus;
Described camera mode of operation control module is used for the control that camera apparatus is adopted chart-pattern;
When the attribute of camera apparatus with adopt after the chart-pattern configuration finishes, adopt the camera parameter in the manual adjustments camera base attribute control module in the process of figure at camera, or utilize the automatic regulatory function control module of camera image to regulate the color of image of collection automatically, make the color of image reach an optimum condition;
The camera image processing module is used to carry out image processing operations, realizes satisfying the image special effect of user's needs, and the image after handling is preserved.
3. USB Techno-Industrial camera according to claim 1 is characterized in that:
After described USB primary controller works on power and receives the images acquired instruction that the demoware of PC end sends, the programmable digital logic chip is carried out initialized configuration by the I2C bus;
After the programmable digital logic chip initiation passed through, needed vertical driving signal when beginning to produce the work of CCD front-end collection plate carried out initialization by spi bus to the AFE (analog front end) plate simultaneously;
After the initialization of AFE (analog front end) plate is passed through, needed horizontal drive signals when then producing the work of CCD front-end collection plate;
Under all correct situation of operating voltage and drive signal, CCD front-end collection plate carries out sensitization and frame transfer operation;
The USB primary controller receives the data that the conversion of programmable digital logic chip finishes, by the USB general purpose interface bus data transmission and be shown on the demoware of PC end.
4. USB Techno-Industrial camera according to claim 1 and 2 is characterized in that: the workflow of described demoware preferably includes following 8 steps:
(1) driver of installation USB camera on PC;
(2) on PC, start demoware, utilize the USB2.0 interface that demoware and camera apparatus are set up one and newly be connected;
(3) attribute of configuration camera apparatus in camera base attribute control module;
(4) chart-pattern of adopting of camera apparatus is set in camera mode of operation control module;
(5) after parameter configuration finishes, if camera judges that adopt chart-pattern is trigger mode, then wait for the input of software trigger or hardware trigger signal after, just begin to gather instant image; If not trigger mode then carries out images acquired according to the continuous acquisition of rolling shutter mode or the continuous acquisition pattern of global shutter mode, and be shown on the PC end, by checking realtime graphic, the user can be manually or the color of regulating camera automatically;
(6) user carries out image processing operations according to actual needs in image processing module then, makes the image of collection reach the user expectation effect;
(7) adopt figure and finish after, the user can be stored in this locality to image by image processing module;
(8) demoware stops to adopt figure, and being connected of disconnection and camera.
5. USB Techno-Industrial camera according to claim 4 is characterized in that: described camera apparatus attribute has: the biasing of RGB gain, global gain, time shutter and RGB gain.
6. USB Techno-Industrial camera according to claim 4 is characterized in that::
The described chart-pattern of adopting has: continuous mode collection, software trigger type collection, hardware trigger type collection, wherein the continuous mode collection is divided into continuous acquisition under the rolling shutter mode and the continuous acquisition under the global shutter mode.
7. USB Techno-Industrial camera according to claim 4 is characterized in that:
By checking realtime graphic, the build-in attribute of lens focus, aperture and camera that the user can the manual adjustments camera also can be used the function of the Automatic white balance in the automatic regulatory function control module of image, realizes the optimum efficiency of camera color.
8. USB Techno-Industrial camera according to claim 4 is characterized in that::
Described image processing operations comprises: the convergent-divergent of original Bayer image transitions coloured image demonstration, jpeg image decoding, image preservation in real time, brightness, contrast, Gamma correction, saturation degree and image is handled.
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| CN2009102438842A CN101738827B (en) | 2009-12-24 | 2009-12-24 | USB digital industrial camera |
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| CN2009102438842A CN101738827B (en) | 2009-12-24 | 2009-12-24 | USB digital industrial camera |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102186012A (en) * | 2011-03-11 | 2011-09-14 | 上海方诚光电科技有限公司 | Digital industrial camera with 1394 interface and use method thereof |
| CN102231793A (en) * | 2011-06-15 | 2011-11-02 | 中国科学院紫金山天文台 | Industrial split jointed charge coupled device (CCD) camera with extra large target surface |
| CN102231794A (en) * | 2011-06-15 | 2011-11-02 | 中国科学院紫金山天文台 | Equipment with multipath universal serial buses (USB) for acquiring charge coupled device (CCD) camera data |
| CN102638649A (en) * | 2012-03-06 | 2012-08-15 | 浙江大学 | USB3.0 high-speed high-definition industrial camera |
| CN104360469A (en) * | 2014-09-29 | 2015-02-18 | 沈阳安创信息科技有限公司 | Special USB (universal serial bus) electron microscope for identifying two-dimensional codes |
| CN106331647A (en) * | 2016-09-14 | 2017-01-11 | 长飞光纤光缆股份有限公司 | Optical fiber ring wire arrangement monitoring system |
| CN106454023A (en) * | 2016-09-07 | 2017-02-22 | 北京凯视佳光电设备有限公司 | USB3.0 CMOS linear array industrial camera |
| CN114584708A (en) * | 2022-03-03 | 2022-06-03 | 杭州图谱光电科技有限公司 | Multi-functional industry camera system based on monolithic FPGA |
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| JP3511772B2 (en) * | 1995-12-21 | 2004-03-29 | ソニー株式会社 | Solid-state imaging device, driving method of solid-state imaging device, camera device and camera system |
| US6833863B1 (en) * | 1998-02-06 | 2004-12-21 | Intel Corporation | Method and apparatus for still image capture during video streaming operations of a tethered digital camera |
| EP1845701A1 (en) * | 2001-01-31 | 2007-10-17 | FUJIFILM Corporation | Digital camera and method of controlling operation of same |
| CN2500047Y (en) * | 2001-10-24 | 2002-07-10 | 西安交大开元科技股份有限公司 | Three mode digital camera |
| JP4049603B2 (en) * | 2002-03-29 | 2008-02-20 | 三洋電機株式会社 | Imaging device |
| CN2655289Y (en) * | 2003-11-18 | 2004-11-10 | 上海海鸥数码影像器材有限公司 | Digital camera for credential photograph |
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| CN102186012A (en) * | 2011-03-11 | 2011-09-14 | 上海方诚光电科技有限公司 | Digital industrial camera with 1394 interface and use method thereof |
| CN102231793A (en) * | 2011-06-15 | 2011-11-02 | 中国科学院紫金山天文台 | Industrial split jointed charge coupled device (CCD) camera with extra large target surface |
| CN102231794A (en) * | 2011-06-15 | 2011-11-02 | 中国科学院紫金山天文台 | Equipment with multipath universal serial buses (USB) for acquiring charge coupled device (CCD) camera data |
| CN102638649A (en) * | 2012-03-06 | 2012-08-15 | 浙江大学 | USB3.0 high-speed high-definition industrial camera |
| CN102638649B (en) * | 2012-03-06 | 2014-06-11 | 浙江大学 | USB3.0 high-speed high-definition industrial camera |
| CN104360469A (en) * | 2014-09-29 | 2015-02-18 | 沈阳安创信息科技有限公司 | Special USB (universal serial bus) electron microscope for identifying two-dimensional codes |
| CN106454023A (en) * | 2016-09-07 | 2017-02-22 | 北京凯视佳光电设备有限公司 | USB3.0 CMOS linear array industrial camera |
| CN106331647A (en) * | 2016-09-14 | 2017-01-11 | 长飞光纤光缆股份有限公司 | Optical fiber ring wire arrangement monitoring system |
| CN114584708A (en) * | 2022-03-03 | 2022-06-03 | 杭州图谱光电科技有限公司 | Multi-functional industry camera system based on monolithic FPGA |
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