CN101587009A - Microminiature photoelectric LCD device dynamic image transmission apparatus - Google Patents
Microminiature photoelectric LCD device dynamic image transmission apparatus Download PDFInfo
- Publication number
- CN101587009A CN101587009A CNA2009100883761A CN200910088376A CN101587009A CN 101587009 A CN101587009 A CN 101587009A CN A2009100883761 A CNA2009100883761 A CN A2009100883761A CN 200910088376 A CN200910088376 A CN 200910088376A CN 101587009 A CN101587009 A CN 101587009A
- Authority
- CN
- China
- Prior art keywords
- microminiature
- lcd device
- image transmission
- dynamic image
- photoelectric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention belongs to technical field of photoelectric image transmission, can be used for the many aspects such as optimal design, Performance Evaluation of dynamic scene simulation, optical measuring system.Proposition can realize the design proposal and the hardware platform of dynamic image transmission.Build hardware platform with high speed interface, programable logic device, analog-digital chip and static memory, by appropriate design firmware program, device driver and host computer application program, high speed image data transmits by interface from host computer, slave computer produces row, field sync signal after with the view data buffered, shows dynamic image with the XGA video format on microminiature liquid crystal pattern generator.The present invention is incorporated into microminiature liquid crystal pattern generator in the photoelectric image transmission technology first, with the background of the dynamic image on the microminiature liquid crystal pattern generator as dynamic scene simulation, reduced the dimension volume of optical system, make system compact more, and digitizing, robotization and microminaturization are incorporated in the optical parameter measuring instrument device.
Description
Technical field
The invention belongs to technical field of photoelectric image transmission, can be used for the many aspects such as optimal design, Performance Evaluation of dynamic scene simulation, optical measuring system.
Technical background
Along with the electronic technology develop rapidly, the optical parameter measuring instrument device is also progressively realized digitizing, robotization.Compare with external electronic measurement technique, a series of activities such as domestic traditional optical parameter measurement method requires that survey crew is observed item by item in the optical parameter measurement system, record, data analysis and result of calculation exist shortcomings such as efficient is low, precision is unstable, survey crew technical requirement height.The photoelectricityization of traditional optical measurement method of parameters, digitizing, Study of intelligent are imperative, and this has bigger practical value for development of accelerating optical parameter measurement, the working strength that reduces the tester, accuracy, the stability that improves the optical parameter measurement method.
Microminiature photoelectric LCD device, just in order to satisfy the requirement of high-level efficiency, robotization optical measurement development, a kind of visible light objective generating device of developing by the electrooptical modulation characteristic of liquid crystal device.It combines advanced technologies such as modern photoelectric display, control, and microsize (catercorner length is less than 1 inch) liquid crystal device is applied in the design of pattern generator, has had significantly to break through on the production method of optical measurement target.Its particular performances also makes it have application prospects in other numerous technical fields (coherent optics, the wavefront correction etc.) lining except that optical measurement.
Beijing Institute of Technology optical measurement center once was applied to microminiature photoelectric LCD device in the optical measurement, on microminiature photoelectric LCD device, produce the target of graduation pattern as visible light, simulate various visible light graticule targets, improve efficient and the precision that traditional optical is measured with this, but what adopt during the transmission of differentiation figure is serial ports, data rate is very slow, and the image of one 1024 * 768 pixel of transmission needs about 55 seconds, and this transmission speed far can not be transmitted dynamic image.
When optical parameter measuring instrument device development finishes when needing scene calibration, because main war such as the target detection rate of system, false alarm rate skill index depends on the details and the background characteristics of echo signal to a great extent, it is wayward that the simple lab investigation of tradition can't reflect truly that actual conditions then exist test condition by the method for out-station test in the past, the expense costliness, shortcomings such as maneuverability is poor, and test number (TN) is limited.The dynamic scene simulation technology grows up under this background just.It is a support with new and high technologies such as computing machine, information processing, microelectronics, has reformed traditional laboratory testing method, has also remedied the deficiency of range test.A large amount of scene simulation tests and limited range test are combined, all have great importance for objective evaluation system performance, shortening lead time, reduction of expenditure spending etc., it is applied to preceding demonstration of system design and the scheme correction stage in the system design at large.Emulation technology is in every field, and especially the application in the military field is paid close attention to by more and more countries.
If show the needed dynamic image of emulation in the focal plane of optical system, then can evaluate the performance of optical system, parameter etc.Because general optical system volume is not too big, the size of focal plane is limited, large-sized display can not be placed on the focal plane of optical system to carry out scene simulation, and high-resolution microminiature LCD then can address this problem.At present, few at the correlative study of microminiature LCD in dynamic scene simulation, do not retrieve relevant apparatus based on the dynamic image transmission of microminiature liquid crystal.
Summary of the invention
The objective of the invention is to drive requirement, propose a kind of microminiature photoelectric LCD device dynamic image transmission apparatus at the hardware circuit of dynamic image data transmission speed and microminiature photoelectric LCD device.Its ultimate principle is: produce dynamic image by host computer, and transmit to slave computer by high speed interface, the D-goal machine receives view data and sends into buffer memory, after two field picture transmission finishes, image information is read from buffer memory, by analog-digital chip data image signal is converted to analog picture signal, produce the driving clock signal that microminiature liquid crystal video shows simultaneously, after the microminiature liquid crystal display drive circuit receives picture signal and drives clock signal, vision signal is proofreaied and correct, and adjust the brightness and contrast who shows, drive the image that microminiature liquid crystal display host computer transmits.
The objective of the invention is to be achieved through the following technical solutions.
Microminiature photoelectric LCD device dynamic image transmission apparatus of the present invention, as shown in Figure 1.Device comprises that host computer, microminiature photoelectric LCD device, processor chips, high speed interface, external memory storage, analog-digital chip, logical sequence produce chip and microminiature liquid crystal display drive circuit, wherein, high speed interface, external memory storage, analog-digital chip, logical sequence produce the peripheral components of chip as processor chips, with its common D-goal machine of forming; Logical sequence produces chip and directly links to each other with external memory storage, analog-digital chip, microminiature liquid crystal display drive circuit, as vision signal sequential generation part; The microminiature liquid crystal display drive circuit directly links to each other with microminiature photoelectric LCD device, drives the microminiature photoelectric LCD device display image; Host computer sends dynamic image data by high speed interface to the next target machine.
Host computer can be selected PC, also can select other embedded systems of non-PC;
Processor chips can be selected MCU, DSP or ARM;
Logical sequence produces chip can select CPLD, also can select FPGA;
When selecting high speed interface, can select 100,000,000 to reach above network interface, also can select to support the USB interface of USB2.0 high-speed transfer pattern;
Image data buffer memory can be selected static memory, also can select dynamic storage, also can select flash memory Flash, and the capacity of storer must not be less than the size of a two field picture;
Beneficial effect
The present invention contrasts prior art and has following remarkable advantage:
1. first microminiature liquid crystal pattern generator is incorporated in the photoelectric image transmission technology, digitizing, robotization and microminaturization are incorporated in the optical parameter measuring instrument device;
2. with the background of the dynamic image on the microminiature liquid crystal, can reduce the dimension volume of optical system, make system compact more as dynamic scene simulation;
3. adopt high speed interface and programable logic device, can guarantee the real-time of image data transmission and the refresh rate of dynamic image, thereby guarantee the effect of dynamic scene simulation.
Description of drawings
Fig. 1 is the microminiature photoelectric LCD device dynamic image transmission apparatus synoptic diagram;
Fig. 2 is the specific embodiments system chart;
Fig. 3 is a microminiature liquid crystal display drive circuit block diagram;
Fig. 4 is the program flow diagram that XGA video generation system is realized;
Fig. 5 generates figure for the XGA video format.
Wherein: the control signal of the address bus of 1-host computer, 2-D-goal machine, 3-vision signal sequential generation part, 4-microminiature photoelectric LCD device, 5-USB interface chip, the data bus of 6-USB interface chip, 7-SRAM address bus, 8-SRAM data bus, 9-SRAM control signal, 10-liquid crystal driving signal, 11-analog video signal, 12-line synchronizing signal, 13-field sync signal, 14-MCU.
Embodiment
With the target slave computer of XILINX Vertex-4FPGA, CY7C68013USB interface chip, CY7C1354B SRAM and ADV7125 analog-digital chip composition, the invention will be further described in conjunction with the accompanying drawings below.
(a) high speed interface of D-goal machine (2) is selected the usb bus interface, interface chip selects to support the CY7C68013 of high-speed transfer pattern, carry out the view data buffer-stored with two SRAM, because the requirement of microminiature liquid crystal resolution, the storage space of two SRAM should be not less than 768KB, 8 three road high-speed DAC conversion chip ADV7125 are selected in digital-to-analog conversion, and the total system block diagram as shown in Figure 2;
(b) select 0.9 inch, 1024 * 768 pixels, the high resolving power microminiature photoelectric LCD device (4) that meets the XGA video format, its design of drive circuit is according to the demonstration demand of LCX029 liquid crystal chip, in conjunction with the typical circuit of chip operation and the drive scheme of SONY recommendation, consider the buying present situation of chip simultaneously, main body has selected for use a few money peripheral driver chips of Sony Corporation to be respectively CXA2111R, CXA3512R, CXD3500R, CXA3106AQ, receive input of FLEX10K10A circuit board one road analog video signal and image and show necessary row, field sync signal, finish conditioning by said chip to simulating signal, and producing the row-field scanning signal that meets the liquid crystal display requirement, the total system block diagram is as shown in Figure 3;
(c) program flow diagram realized of XGA video generation system as shown in Figure 4, the three big functional areas that the system that can express among the figure comprises: the logical relation of " graph data storage ", " bus switching " and " generation of XGA signal ".Wherein, input/scan enable signals is by the pin control of USB interface chip CY7C68013, as picture signal during through USB interface chip input FPGA, input/scan enable signals is put low, at this moment, FPGA reaches the MCU control signal of being made up of chip selection signal, input enable signal, output enable signal (14) with USB interface chip address bus (5), data bus (6), finishes the process of host computer (1) to SRAM input digit graduation graph data with this.After image signal transmission finishes, host computer is given USB interface chip byte instruction, and will import/scan enable signals puts height, FPGA cuts off USB interface chip and the respective bus of SRAM and being connected of control signal simultaneously, and with self internal address bus, data bus, chip selection signal, the input enable signal, the output enable signal is connected to SRAM respective bus and control signal interface, then begin to scan the digital graduation graph data that SRAM goes up storage, and the XGA signal of the standard of generation, through the VHDL program design, can be on microminiature photoelectric LCD device the display gray scale bar graph, as shown in Figure 5, by after the program design, the correctness of part (3) output XGA vision signal sequential takes place in the vision signal sequential with checking;
(d) in the USB Design of Firmware, the initial value that needs the initialization special function register, to realize required device attribute and function, the auxiliary re-enumeration process of finishing equipment, the disconnection that comprises analog machine is connected with reproduction, the bag of receiving that is provided with is carried out analysis and judgement, thereby the device request of main frame is made appropriate responsive, finish the configuration task of main frame, and control data receives and sends and the processing to interrupting to equipment;
(e) the USB device driver provides the software interface hinge that connects computer hardware, and after hardware was connected to system, system at first pointed out and selects the INF file.By the manufacturer and the product territory of CY7C68013 acquiescence, equipment finds firmware driver corresponding in the INF file, and behind hardware, equipment can enter re-enumeration etc. firmware downloads, and then, hardware moves firmware program, thereby finishes the configuration of equipment;
(f) key of host computer application development is how to realize sending to USB device the data of specified quantity, and a required frame two field picture that meets application requirements is sent to the target slave computer is continual by the usb bus interface.
This case study on implementation has successfully been built target slave computer platform by a series of measure, and done the corresponding software programs design, be implemented in 0.9 inch, 1024 * 768 pixels, meet the dynamic image transmission that refresh rate on the high resolving power microminiature liquid crystal of XGA video format was not less than for 25 frame/seconds.
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described; but these explanations can not be understood that to have limited scope of the present invention; protection scope of the present invention is limited by the claims of enclosing, and any change on claim of the present invention basis all is protection scope of the present invention.
Claims (6)
1. microminiature photoelectric LCD device dynamic image transmission apparatus, comprise host computer, microminiature photoelectric LCD device, it is characterized in that also comprising: processor chips, high speed interface, external memory storage, analog-digital chip, logical sequence produce chip and microminiature liquid crystal display drive circuit, wherein, high speed interface, external memory storage, analog-digital chip, logical sequence produce the peripheral components of chip as processor chips, with its common D-goal machine of forming; Logical sequence produces chip and directly links to each other with external memory storage, analog-digital chip, microminiature liquid crystal display drive circuit, as vision signal sequential generation part;
According to above-mentioned assembly connecting mode, the image transmission realizes by following path: the microminiature liquid crystal display drive circuit directly links to each other with microminiature photoelectric LCD device, drives the microminiature photoelectric LCD device display image; Host computer sends dynamic image data by high speed interface to the next target machine.
2. according to right 1 described microminiature photoelectric LCD device dynamic image transmission apparatus, it is characterized in that: host computer can be selected PC, also can select other embedded systems of non-PC.
3. according to right 1 described microminiature photoelectric LCD device dynamic image transmission apparatus, it is characterized in that: processor chips can be selected MCU, DSP or ARM.
4. according to right 1 described microminiature photoelectric LCD device dynamic image transmission apparatus, it is characterized in that: logical sequence produces chip can select CPLD, also can select FPGA.
5. according to right 1 described microminiature photoelectric LCD device dynamic image transmission apparatus, it is characterized in that: when selecting high speed interface, can select 100,000,000 to reach above network interface, also can select to support the USB interface of USB2.0 high-speed transfer pattern.
6. according to right 1 described microminiature photoelectric LCD device dynamic image transmission apparatus, it is characterized in that: image data buffer memory can be selected static memory, also can select dynamic storage, can also select flash memory Flash, the capacity of storer must not be less than the size of a two field picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100883761A CN101587009A (en) | 2009-07-02 | 2009-07-02 | Microminiature photoelectric LCD device dynamic image transmission apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100883761A CN101587009A (en) | 2009-07-02 | 2009-07-02 | Microminiature photoelectric LCD device dynamic image transmission apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101587009A true CN101587009A (en) | 2009-11-25 |
Family
ID=41371351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100883761A Pending CN101587009A (en) | 2009-07-02 | 2009-07-02 | Microminiature photoelectric LCD device dynamic image transmission apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101587009A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054414A (en) * | 2010-11-28 | 2011-05-11 | 河海大学常州校区 | Program controlled liquid crystal module test image generating system and control method thereof |
| CN102509538A (en) * | 2011-11-17 | 2012-06-20 | 朱敦尧 | T-CON realization method based on CPLD |
| CN102507147A (en) * | 2011-10-14 | 2012-06-20 | 中国科学院光电技术研究所 | Real-time performance evaluation system of self-adaptive optical system |
| CN105373362A (en) * | 2015-11-27 | 2016-03-02 | 深圳市创维群欣安防科技有限公司 | Static underlying graph control method and device based on FPGA framework |
| CN105403381A (en) * | 2015-11-26 | 2016-03-16 | 洛阳瑞光影视光电技术有限公司 | Sdi signal generator |
| CN106203421A (en) * | 2016-08-18 | 2016-12-07 | 成都联众智科技有限公司 | A kind of Optoelectronic hybrid pattern recognition system |
| CN109920365A (en) * | 2017-12-11 | 2019-06-21 | 上海航空电器有限公司 | A kind of system and method for display human eye vision evaluation sighting target |
| CN111586259A (en) * | 2020-04-03 | 2020-08-25 | 北京仿真中心 | Image simulation method, image computer and target simulator |
| CN114826397A (en) * | 2022-06-29 | 2022-07-29 | 阿里巴巴（中国）有限公司 | Configuration method and device of optical transmission equipment and electronic equipment |
-
2009
- 2009-07-02 CN CNA2009100883761A patent/CN101587009A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054414A (en) * | 2010-11-28 | 2011-05-11 | 河海大学常州校区 | Program controlled liquid crystal module test image generating system and control method thereof |
| CN102507147A (en) * | 2011-10-14 | 2012-06-20 | 中国科学院光电技术研究所 | Real-time performance evaluation system of self-adaptive optical system |
| CN102507147B (en) * | 2011-10-14 | 2014-05-28 | 中国科学院光电技术研究所 | Real-time performance evaluation system of self-adaptive optical system |
| CN102509538A (en) * | 2011-11-17 | 2012-06-20 | 朱敦尧 | T-CON realization method based on CPLD |
| CN105403381A (en) * | 2015-11-26 | 2016-03-16 | 洛阳瑞光影视光电技术有限公司 | Sdi signal generator |
| CN105373362B (en) * | 2015-11-27 | 2018-04-17 | 深圳市创维群欣安防科技股份有限公司 | A kind of static base map control method and its device based on FPGA architecture |
| CN105373362A (en) * | 2015-11-27 | 2016-03-02 | 深圳市创维群欣安防科技有限公司 | Static underlying graph control method and device based on FPGA framework |
| CN106203421A (en) * | 2016-08-18 | 2016-12-07 | 成都联众智科技有限公司 | A kind of Optoelectronic hybrid pattern recognition system |
| CN109920365A (en) * | 2017-12-11 | 2019-06-21 | 上海航空电器有限公司 | A kind of system and method for display human eye vision evaluation sighting target |
| CN111586259A (en) * | 2020-04-03 | 2020-08-25 | 北京仿真中心 | Image simulation method, image computer and target simulator |
| CN111586259B (en) * | 2020-04-03 | 2022-09-23 | 北京仿真中心 | Image simulation method, image computer and target simulator |
| CN114826397A (en) * | 2022-06-29 | 2022-07-29 | 阿里巴巴（中国）有限公司 | Configuration method and device of optical transmission equipment and electronic equipment |
| CN114826397B (en) * | 2022-06-29 | 2022-10-18 | 阿里巴巴（中国）有限公司 | Configuration method and device of optical transmission equipment and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101587009A (en) | Microminiature photoelectric LCD device dynamic image transmission apparatus | |
| US11080840B2 (en) | Automatic optical inspection device based on CPU+GPU+FPGA architecture | |
| CN102013246B (en) | Establishing method for gamma comparison table of display apparatus | |
| CN103310752B (en) | Gamma voltage adjusting method and gamma voltage adjusting system | |
| CN100489946C (en) | LCD device | |
| CN102147619A (en) | Virtual instrument-based motor control automatic testing system and method for electric automobile | |
| CN103295551B (en) | A kind of LCD display control system and control method thereof | |
| CN103472748A (en) | Verification system and method of sequential control circuit | |
| CN102519511B (en) | Indication verification apparatus of automobile instrument and verification method thereof | |
| CN102968943A (en) | Generating method of gama value test card of display device and measuring method of gama value | |
| CN101650884A (en) | Teaching and experiment instrument of automatic control theory | |
| CN103033210A (en) | Simulation testing system of electronic flight instrument system | |
| CN103632643A (en) | Image data processing circuit and display system | |
| KR20180104441A (en) | Displayport interface module of display test equipment | |
| CN102853851B (en) | The imaging system of computer simulation star sensor stellar field and formation method | |
| CN104316192A (en) | Image display quality testing method, testing platform and system | |
| CN104535194A (en) | Simulation device and method of infrared detector based on DMD | |
| Zhang et al. | Design of real-time image acquisition and display system based on FPGA | |
| CN111402771A (en) | Detection equipment for display driving chip and display module | |
| CN101719353A (en) | Extended display identification data burning method for Display Port liquid crystal display | |
| CN102288298A (en) | Detector simulator device | |
| CN115658415A (en) | Chip debugging device and method | |
| CN105118408A (en) | Method, device, and system for adjusting white balance of display device | |
| CN203053453U (en) | Electric excitation generation device for static infrared earth sensor | |
| CN202110252U (en) | Signal simulation and data analysis system for infrared thermal imaging component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091125 |