CN201830377U - Analogue/digital video conversion device for computer - Google Patents
Analogue/digital video conversion device for computer Download PDFInfo
- Publication number
- CN201830377U CN201830377U CN 201020274409 CN201020274409U CN201830377U CN 201830377 U CN201830377 U CN 201830377U CN 201020274409 CN201020274409 CN 201020274409 CN 201020274409 U CN201020274409 U CN 201020274409U CN 201830377 U CN201830377 U CN 201830377U
- Authority
- CN
- China
- Prior art keywords
- video
- module
- simulation vga
- digital
- simulation
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The utility model discloses an analogue/digital video conversion device for a computer. The analogue/digital video conversion device comprises a video conversion plate, a video input interface, a video output interface, functional keys and a function indicating lamp. The analogue/digital video conversion device has the advantages that: decoding, matching, encoding, selecting and switching functions for a plurality of paths of video signals with different formats are integrated into a board card with the size of 6U, so that the conversion device has more compact structure, higher integration level and simple wiring mode, and reduces interference between signal interfaces; one of three videos with different formats is selected and converted into three video formats at the same time or the three videos can be converted into one of the video formats at the same time; and the analogue/digital video conversion device is suitable for the fields of military and civil control rooms, meeting rooms, video conversion and the like.
Description
Technical field
The utility model relates to the device that a kind of computer simulation/digital video is changed mutually, by selection, decoding, coupling, distribution and the coding of computer video to three kinds of forms of input, can simultaneously a kind of video be converted to three kinds of different video formats, perhaps simultaneously three kinds of different video format conversion are become with a kind of video format, belong to the multimedia technology application field.
Background technology
Along with the development of computer and video technique, the kind of video format is more and more, and the application of changing mutually between the different video form also more and more widely.Numeral DVI video converts to can make things convenient for behind the simulation VGA video with projecting apparatus or old-fashioned VGA interface display and is connected; Definition increased after simulation VGA video converted digital DVI video to, and can be connected with novel DVI interface display; After converting the analog differential rgb video to, numeral DVI video and simulation VGA video can utilize Shielded Twisted Pair to come transmission video signal, can effectively solve simulation VGA video unmatched problem of impedance between R, G, B, H, the V signal in long Distance Transmission process, realize the video transmission of long distance; The analog differential rgb video is convenient to show on display after converting digital DVI video or simulation VGA video to.But the problem that present computer video transducer on the market mainly exists is: (1) format transformation is single, can only convert a kind of video to another kind of video, can not in a device, convert several different-format videos to a kind of video simultaneously, or a kind of video be converted to the video of several different-formats.(2) in the application that needs the various video form to change mutually, need a plurality of different video converters, switch and distributor to carry out cascade, could realize the mutual conversion between several different-format videos simultaneously, but because the cascade between the distinct device, cause the video connecting line various, too complicated, there is interference in vision signal connecting line interface section simultaneously, has influenced the quality of video transmission and demonstration.
The utility model content
A purpose of the present utility model is, the various video conversion of signals can be become with a kind of vision signal.As: digital DVI video, simulation VGA video and analog differential rgb video convert simulation VGA video simultaneously to, can increase the input interface function to traditional display device; And digital DVI video, simulation VGA video and analog differential rgb video convert digital DVI video simultaneously to, can be easily be connected with novel DVI interface display; Perhaps digital DVI video, simulation VGA video and analog differential rgb video convert the analog differential rgb video simultaneously to, can utilize multiple twin line length Distance Transmission vision signal to display, have reduced interference and the distortion in the video signal transmission.
Another purpose of the present utility model is, can select a kind of signal to convert the vision signal of three kinds of different-formats simultaneously to from the various video signal of input.As: in video conferencing system, numeral DVI video or simulation VGA video convert digital DVI video, simulation VGA video and analog differential rgb video simultaneously to, wherein, digital DVI video after the conversion can be connected to the display of rostrum, simulation VGA video can connect projecting apparatus, and the analog differential rgb video can be grown Distance Transmission to next meeting room.Perhaps the analog differential rgb video converts digital DVI video, simulation VGA video and analog differential rgb video simultaneously to, be connected to the display and the projecting apparatus of rostrum after both the video of front end input can having been changed, simultaneously can realize relay function, utilize twisted-pair feeder to longer Distance Transmission after the Video processing with input.
For achieving the above object, the utility model has adopted following technical scheme: the device that a kind of computer simulation/digital video is changed mutually comprises: video change-over panel, video input interface 18,19,20, video output interface 21,22,23, function button 25,27,29,31,33,35, functional indicator light 26,28,30,32,34,36; Described video change-over panel is a 6U size integrated circuit board, mainly comprises: digital DVI video decode module 1, coupling resistance row 2,11, simulation VGA video encoding module 3,7, digital DVI video encoding module 4,6, digital DVI video select module 5, simulation VGA video to select module 8,13, simulation VGA video distribution module 9, analog differential rgb video coding module 10, simulation VGA video decode module 12, analog differential rgb video decoder module 14, control module 15 and power module 16; It is connected to: digital DVI video decode module 1 links to each other with digital DVI video input interface 18, coupling resistance row 2; Coupling resistance row 2 links to each other with simulation VGA video encoding module 3, digital DVI video encoding module 4; Numeral DVI video selects module 5 to link to each other with digital DVI video encoding module 4, digital DVI video encoding module 6, digital DVI video output interface 21; Analog differential rgb video decoder module 14 links to each other with analog differential rgb video input interface 20; Simulation VGA video selects module 13 to link to each other with simulation VGA video input interface 19, analog differential rgb video decoder module 14; Simulation VGA video decode module 12 selects module 13, coupling resistance row 11 to link to each other with simulation VGA video; Coupling resistance row 11 links to each other with digital DVI video encoding module 6, simulation VGA video encoding module 7; Simulation VGA video is selected module 8 and simulation VGA video encoding module 3, simulation VGA video encoding module 7, simulation VGA video distribution module 9; Simulation VGA video distribution module 9 links to each other with analog differential rgb video coding module 10, simulation VGA video output interface 22; Analog differential rgb video coding module 10 links to each other with analog differential rgb video output interface 23; Control module 15 selects module 5, simulation VGA video to select module 8,13, analog differential rgb video decoder module 14, function button 25,27,29,31,33,35, functional indicator light 26,28,30,32,34,36 to link to each other with digital DVI video decode module 1, digital DVI video encoding module 4,6, digital DVI video.
The operation principle of the device that a kind of computer simulation/digital video of the utility model is changed mutually is: digital DVI video 18 selects module 8, simulation VGA video distribution module 9, analog differential rgb video coding module 10 can convert simulation VGA video 22 and analog differential rgb video 23 to after handling through digital DVI video decode module 1, coupling resistance row 2, simulation VGA video encoding module 3, simulation VGA video; Simulation VGA video 19 or analog differential rgb video 20 select module 13, simulation VGA video decode module 12, coupling resistance row 11, digital DVI video encoding module 6, digital DVI video can convert digital DVI video 21 to after selecting module 5 to handle through analog differential rgb video decoder module 14, simulation VGA video; Control module 15 control transformation devices are selected a kind of video from computer digit DVI video 18, simulation VGA video 19 or the analog differential rgb video 20 of input, convert this video to digital DVI video 21,23 3 kinds of different video format outputs of simulation VGA video 22 and analog differential rgb video simultaneously; Perhaps, the digital DVI video 18 that control module 15 control transformation devices will be imported, simulation VGA video 19 and analog differential rgb video 20 convert a kind of video in digital DVI video 21, simulation VGA video 22 or 23 3 kinds of video formats of analog differential rgb video successively to, and switch output successively by control module.
The beneficial effects of the utility model are: this device is integrated in decoding, coupling, coding, selection and the handoff functionality of multichannel different-format vision signal in the integrated circuit board of a 6U size, make the more compact structure of conversion equipment, integrated level is higher, the mode of connection is simple, reduced the interference between signaling interface.Can realize from three kinds of different-format videos, selecting a kind of video to convert three kinds of video formats simultaneously to, perhaps three kinds of videos be converted simultaneously to a kind of video format wherein, be applicable to fields such as military-civil control room, meeting room and video conversion.
Description of drawings
Fig. 1 is the structured flowchart of the mutual conversion equipment of a kind of computer simulation/digital video of the utility model.
Fig. 2 is the digital DVI video decode module circuit diagram of the utility model one embodiment.
Fig. 3 is the coupling resistance row circuit diagram of the utility model one embodiment.
Fig. 4 is the simulation VGA video encoding module circuit diagram of the utility model one embodiment.
Fig. 5 is the digital DVI video encoding module circuit diagram of the utility model one embodiment.
Fig. 6 is that the digital DVI video of the utility model one embodiment is selected module circuit diagram.
Fig. 7 is that the simulation VGA video of the utility model one embodiment is selected module circuit diagram.
Fig. 8 is the simulation VGA video distribution module circuit diagram of the utility model one embodiment.
Fig. 9 is the analog differential rgb video coding module circuit diagram of the utility model one embodiment.
Figure 10 is the simulation VGA video decode module circuit diagram of the utility model one embodiment.
Figure 11 is the analog differential rgb video decoder module circuit diagram of the utility model one embodiment.
Figure 12 is the control module circuit diagram of the utility model one embodiment.
Figure 13 is the video change-over device front panel schematic diagram of the utility model one embodiment.
Figure 14 is the video change-over device rear board schematic diagram of the utility model one embodiment.
Among the figure: 1-numeral DVI video decode module, 2-coupling resistance row 1,3-simulation VGA video encoding module 1,4-numeral DVI video encoding module 1,5-numeral DVI video is selected module, 6-numeral DVI video encoding module 2,7-simulation VGA video encoding module 2,8-simulation VGA video is selected module 2,9-simulation VGA video distribution module, 10-analog differential rgb video coding module, 11-coupling resistance row 2,12-simulation VGA video decode module, 13-simulation VGA video is selected module 1,14-analog differential rgb video decoder module, the 15-control module, the 16-power module, the 17-power interface, 18-numeral DVI video input interface, 19-simulation VGA video input interface, 20-analog differential rgb video input interface, 21-numeral DVI video output interface, 22-simulation VGA video output interface, 23-analog differential rgb video output interface, the 24-power supply indicator, 25-function one button, 26-function one indicator light, 27-function two buttons, 28-function two indicator lights, 29-function three buttons, 30-function three indicator lights, 31-function four buttons, 32-function four indicator lights, 33-function five buttons, 34-function five indicator lights, 35-function six buttons, 36-function six indicator lights.
Embodiment
In order to make those skilled in the art further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing.
The device that a kind of computer simulation/digital video is changed mutually comprises: video change-over panel, video input interface 18,19,20, video output interface 21,22,23, function button 25,27,29,31,33,35, functional indicator light 26,28,30,32,34,36; Described video change-over panel is a 6U size integrated circuit board, mainly comprises: digital DVI video decode module 1, coupling resistance row 2,11, simulation VGA video encoding module 3,7, digital DVI video encoding module 4,6, digital DVI video select module 5, simulation VGA video to select module 8,13, simulation VGA video distribution module 9, analog differential rgb video coding module 10, simulation VGA video decode module 12, analog differential rgb video decoder module 14, control module 15 and power module 16; It is connected to: digital DVI video decode module 1 links to each other with digital DVI video input interface 18, coupling resistance row 2; Coupling resistance row 2 links to each other with simulation VGA video encoding module 3, digital DVI video encoding module 4; Numeral DVI video selects module 5 to link to each other with digital DVI video encoding module 4, digital DVI video encoding module 6, digital DVI video output interface 21; Analog differential rgb video decoder module 14 links to each other with analog differential rgb video input interface 20; Simulation VGA video selects module 13 to link to each other with simulation VGA video input interface 19, analog differential rgb video decoder module 14; Simulation VGA video decode module 12 selects module 13, coupling resistance row 11 to link to each other with simulation VGA video; Coupling resistance row 11 links to each other with digital DVI video encoding module 6, simulation VGA video encoding module 7; Simulation VGA video is selected module 8 and simulation VGA video encoding module 3, simulation VGA video encoding module 7, simulation VGA video distribution module 9; Simulation VGA video distribution module 9 links to each other with analog differential rgb video coding module 10, simulation VGA video output interface 22; Analog differential rgb video coding module 10 links to each other with analog differential rgb video output interface 23; Control module 15 selects module 5, simulation VGA video to select module 8,13, analog differential rgb video decoder module 14, function button 25,27,29,31,33,35, functional indicator light 26,28,30,32,34,36 to link to each other with digital DVI video decode module 1, digital DVI video encoding module 4,6, digital DVI video.
As shown in Figure 1, the device that a kind of computer simulation/digital video of the present utility model is changed mutually mainly comprises: digital DVI video decode module 1, coupling resistance row 2 and 11, simulation VGA video encoding module 3 and 7, digital DVI video encoding module 4 and 6, digital DVI video select module 5, simulation VGA video to select module 8 and 13, simulation VGA video distribution module 9, analog differential rgb video coding module 10, simulation VGA video decode module 12, analog differential rgb video decoder module 14, control module 15, power module 16.
Device main circuit figure such as Fig. 2 to Figure 12 that a kind of computer simulation/digital video of the present utility model is changed mutually:
Fig. 2 is digital DVI video decode module circuit diagram, corresponding to the digital DVI video decode module 1 among Fig. 1, adopts the TFP401 chip.Wherein, DVIIND0 ±, DVIIND1 ±, DVIIND2 ±, DVIINC ± four pair difference port is used for input video DVI vision signal, decoding back output digital rgb signal: TFP_R[7:0], TFP_G[7:0], TFP_B[7:0] and control signal TFP_H, TFP_V, TFP_CLK.
Fig. 3 is a coupling resistance row circuit diagram, corresponding to the resistance of the coupling among Fig. 1 row 2, is quaternate 33 ohm resistor chain, and digital rgb signal and control signal can be distributed into two paths of signals after overmatching, drive the coding module of next stage respectively.
Fig. 4 is a simulation VGA video encoding module circuit diagram, corresponding to the simulation VGA video encoding module 3 of Fig. 1, adopts the adv7123 chip.The digital rgb signal encoding of coupling resistance row output is become analog rgb signal: VGA1_R, VGA1_G, VGA1_B.
Fig. 5 is digital DVI video encoding module circuit diagram, corresponding to the digital DVI video encoding module 4 of Fig. 1, adopts the sil178 chip.With the digital rgb signal encoding of coupling resistance row output become digital DVI signal: DVI1D0 ±, DVI1D1 ±, DVI1D2 ±, DVI1C ±.
Fig. 6 is that digital DVI video is selected module circuit diagram, selects module 5 corresponding to the digital DVI video of Fig. 1, adopts the ad8192 chip.Can from the two-way DVI signal of input: DVI1D0 ±, DVI1D1 ±, DVI1D2 ±, DVI1C ± and DVI2D0 ±, DVI2D1 ±, DVI2D2 ±, DVI2C ± selection one tunnel output to digital DVI video output interface 21.This module is connected with control module 15 with MCU_SCL by MCU_SDA.
Fig. 7 is that simulation VGA video is selected module circuit diagram, selects module 8 corresponding to the simulation VGA video of Fig. 1, adopts the adg794 chip.Can be from the two-way VGA signal of input: VGA1_R, VGA1_G, VGA1_B, VGA1_H, VGA1_V and VGA2_R, VGA2_G, VGA2_B, VGA2_H, VGA2_V select one tunnel input simulation VGA video distribution module 9.This module links to each other with control module 15 by VGA_SEL1.
Fig. 8 is a simulation VGA video distribution module circuit diagram, corresponding to the simulation VGA video distribution module 9 of Fig. 1, adopts the ad8079 chip to realize the distribution of R, G, B signal, and the 74HC14 chip is realized the distribution of H, V signal.One tunnel simulation VGA signal allocation of input can be become two-way, one road signal VGAOUT_R, VGAOUT_G, VGAOUT_B, VGAOUT_H, VGAOUT_V directly output to simulation VGA video output interface 22; Another road signal DRGB_R, DRGB_G, DRGB_B, DRGB_H, DRGB_V input analog differential RGB coding module 10.
Fig. 9 is an analog differential rgb video coding module circuit diagram, corresponding to the analog differential rgb video coding module 10 of Fig. 1, adopts the ad8147 chip.With the simulation VGA video of input be encoded into three couples of difference rgb video signal: DRGB_R ±, DRGB_G ±, DRGB_B ±, and output to analog differential RGB output interface 23.
Figure 10 is a simulation VGA video decode module circuit diagram, corresponding to the simulation VGA video decode module 12 of Fig. 1, adopts the ad9888 chip.Can be with the simulation VGA signal of input: SEL2_R, SEL2_G, SEL2_B, SEL2_H, SEL2_V decoding output digital rgb signal: ADV_R[7:0], ADV_G[7:0], ADV_B[7:0] and control signal ADV_H, ADV_V, ADV_CLK.
Figure 11 is an analog differential rgb video decoder module circuit diagram, corresponding to the analog differential rgb video decoder module 14 of Fig. 1, adopts the ad8123 chip.With three couples of analog differential rgb video signal: INA_R of input ±, INA_G ±, INA_B ± decoding exports analog rgb HV signal: DRGBOUT_R, DRGBOUT_G, DRGBOUT_B, DRGBOUT_H, DRGBOUT_V.
Figure 12 is the control module circuit diagram, corresponding to the control module 15 of Fig. 1, adopts the p891v51rd2 chip.By parallel data mouth MCU_KEY[1:6] with MCU_LED[1:6] link to each other with functional indicator light with function button, select module 8 to link to each other by VGA_SEL1 with simulation VGA video, select module 13 to link to each other by VGA_SEL2 with simulation VGA video, select module 5 to link to each other with MCU_SDA with digital DVI video by MCU_SCL.By receiving key commands, control selects the work of module to finish function corresponding, and shows on corresponding indicator light.
A simulation VGA video input interface, a digital DVI video input interface and an analog differential RGB input interface are arranged on the video change-over device rear board of the present utility model as seen from Figure 14, and a simulation VGA video output interface, a digital DVI video output interface and an analog differential RGB output interface.Six press keys and 7 indicator lights are arranged on the front panel as seen from Figure 13, and wherein just often lamp is bright at power work for power supply indicator 24; Functional indicator light has six, is used to indicate current function.The concrete operations step is as follows:
(1) function one is selected
Press function one button 25, function one indicator light 26 Chang Liang.From digital DVI video 18, simulation VGA video 19 and analog differential rgb video 20, select digital DVI video 18, will export digital DVI video 21, simulation VGA video 22 and 23 3 kinds of format videos of analog differential rgb video simultaneously after its conversion.
(2) function two is selected
Press function two buttons 27, function two indicator lights 28 Chang Liang.From digital DVI video 18, simulation VGA video 19 and analog differential rgb video 20, select simulation VGA video 19, will export digital DVI video 21, simulation VGA video 22 and 23 3 kinds of format videos of analog differential rgb video simultaneously after its conversion.
(3) function three is selected
Press function three buttons 29, function three indicator lights 30 Chang Liang.From digital DVI video 18, simulation VGA video 19 and analog differential rgb video 20, select analog differential rgb video 20, will export digital DVI video 21, simulation VGA video 22 and 23 3 kinds of format videos of analog differential rgb video simultaneously after its conversion.
(4) function four is selected
Adopt the pattern of switching to export digital DVI video 18, simulation VGA video 19 and analog differential rgb video 20 by digital DVI video interface 21.Function four buttons 31 are pressed for the first time, and function four indicator lights 32 Chang Liang handle the back by digital DVI video interface 21 outputs with the digital DVI video 18 of input; Function four buttons 31 are pressed for the second time, and function four indicator lights 32 dodge (per second 5 times) slowly, and the simulation VGA video 19 of input is handled the back by digital DVI video interface 21 outputs; Function four buttons 31 are pressed for the third time, and function four indicator lights 32 quickflashings (per second 20 times) are handled the back by digital DVI video interface 21 outputs with the analog differential rgb video 20 of input; Press function four buttons 31 once more, circulation exports three road videos with digital DVI video format successively.
(5) function five is selected
Adopt the pattern of switching to export digital DVI video 18, simulation VGA video 19 and analog differential rgb video 20 by simulation VGA video interface 22.Function five buttons 33 are pressed for the first time, and function five indicator lights 34 Chang Liang handle the back by 22 outputs of simulation VGA video interface with the digital DVI video 18 of input; Function five buttons 33 are pressed for the second time, and function five indicator lights 34 dodge (per second 5 times) slowly, and the simulation VGA video 19 of input is handled the back by 22 outputs of simulation VGA video interface; Function five buttons 33 are pressed for the third time, and function five indicator lights 34 quickflashings (per second 20 times) are handled the back by 22 outputs of simulation VGA video interface with the analog differential rgb video 19 of input; Press function five buttons 33 once more, circulation exports three road videos with simulation VGA video format successively.
(6) function six is selected
Adopt the pattern of switching to export digital DVI video 18, simulation VGA video 19 and analog differential rgb video 20 by analog differential rgb video interface 23.Function six buttons 35 are pressed for the first time, and function six indicator lights 36 Chang Liang handle the back with the digital DVI video 18 of input and exported by analog differential rgb video 23 interfaces; Function six buttons 35 are pressed for the second time, and function six indicator lights 36 dodge (per second 5 times) slowly, the simulation VGA video 19 of input is handled the back exported by analog differential rgb video 23 interfaces; Function six buttons 35 are pressed for the third time, and function six indicator lights 36 quickflashings (per second 20 times) are handled the back by 23 outputs of analog differential rgb video interface with the analog differential rgb video 20 of input; Press function six buttons 35 once more, circulation exports three road videos with analog differential rgb video form successively.
Claims (1)
1. the device that computer simulation/digital video is changed mutually comprises: video change-over panel, video input interface (18,19,20), video output interface (21,22,23), function button (25,27,29,31,33,35), functional indicator light (26,28,30,32,34,36); It is characterized in that: described video change-over panel is a 6U size integrated circuit board, mainly comprises: digital DVI video decode module (1), coupling resistance row (2,11), simulation VGA video encoding module (3,7), digital DVI video encoding module (4,6), digital DVI video select module (5), simulation VGA video to select module (8,13), simulation VGA video distribution module (9), analog differential rgb video coding module (10), simulation VGA video decode module (12), analog differential rgb video decoder module (14), control module (15) and power module (16); It is connected to: digital DVI video decode module (1) links to each other with digital DVI video input interface (18), coupling resistance row (2); Coupling resistance row (2) links to each other with simulation VGA video encoding module (3), digital DVI video encoding module (4); Numeral DVI video selects module (5) to link to each other with digital DVI video encoding module (4), digital DVI video encoding module (6), digital DVI video output interface (21); Analog differential rgb video decoder module (14) links to each other with analog differential rgb video input interface (20); Simulation VGA video selects module (13) to link to each other with simulation VGA video input interface (19), analog differential rgb video decoder module (14); Simulation VGA video decode module (12) selects module (13), coupling resistance row (11) to link to each other with simulation VGA video; Coupling resistance row (11) links to each other with digital DVI video encoding module (6), simulation VGA video encoding module (7); Simulation VGA video is selected module (8) and simulation VGA video encoding module (3), simulation VGA video encoding module (7), simulation VGA video distribution module (9); Simulation VGA video distribution module (9) links to each other with analog differential rgb video coding module (10), simulation VGA video output interface (22); Analog differential rgb video coding module (10) links to each other with analog differential rgb video output interface (23); Control module (15) selects module (5), simulation VGA video to select module (8,13), analog differential rgb video decoder module (14), function button (25,27,29,31,33,35), functional indicator light (26,28,30,32,34,36) to link to each other with digital DVI video decode module (1), digital DVI video encoding module (4,6), digital DVI video.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020274409 CN201830377U (en) | 2010-07-22 | 2010-07-22 | Analogue/digital video conversion device for computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020274409 CN201830377U (en) | 2010-07-22 | 2010-07-22 | Analogue/digital video conversion device for computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201830377U true CN201830377U (en) | 2011-05-11 |
Family
ID=43968890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020274409 Expired - Fee Related CN201830377U (en) | 2010-07-22 | 2010-07-22 | Analogue/digital video conversion device for computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201830377U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419700A (en) * | 2011-09-28 | 2012-04-18 | 中国航天科工集团第二研究院七〇六所 | Video loop-out device for computers |
| CN102946527A (en) * | 2012-11-26 | 2013-02-27 | 成都爱斯顿测控技术有限公司 | Multiple input video processing card |
| CN103179367A (en) * | 2011-12-20 | 2013-06-26 | 联想(北京)有限公司 | Display and processing method of video data |
| CN104378646A (en) * | 2014-11-17 | 2015-02-25 | 中国电子科技集团公司第二十八研究所 | Video coding display system |
| CN104571996A (en) * | 2015-01-05 | 2015-04-29 | 山东超越数控电子有限公司 | Domestically-produced computer platform based split-screen achievement method |
| CN105611211A (en) * | 2015-12-22 | 2016-05-25 | 广东威创视讯科技股份有限公司 | Video format converter and display device |
| CN109459873A (en) * | 2018-11-12 | 2019-03-12 | 广州小鹏汽车科技有限公司 | A kind of test method, device, Auto-Test System and storage medium |
-
2010
- 2010-07-22 CN CN 201020274409 patent/CN201830377U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419700A (en) * | 2011-09-28 | 2012-04-18 | 中国航天科工集团第二研究院七〇六所 | Video loop-out device for computers |
| CN102419700B (en) * | 2011-09-28 | 2014-05-21 | 中国航天科工集团第二研究院七〇六所 | Video loop-out device for computers |
| CN103179367A (en) * | 2011-12-20 | 2013-06-26 | 联想(北京)有限公司 | Display and processing method of video data |
| CN103179367B (en) * | 2011-12-20 | 2016-08-17 | 联想(北京)有限公司 | Display and video data handling procedure |
| CN102946527A (en) * | 2012-11-26 | 2013-02-27 | 成都爱斯顿测控技术有限公司 | Multiple input video processing card |
| CN104378646A (en) * | 2014-11-17 | 2015-02-25 | 中国电子科技集团公司第二十八研究所 | Video coding display system |
| CN104571996A (en) * | 2015-01-05 | 2015-04-29 | 山东超越数控电子有限公司 | Domestically-produced computer platform based split-screen achievement method |
| CN105611211A (en) * | 2015-12-22 | 2016-05-25 | 广东威创视讯科技股份有限公司 | Video format converter and display device |
| CN109459873A (en) * | 2018-11-12 | 2019-03-12 | 广州小鹏汽车科技有限公司 | A kind of test method, device, Auto-Test System and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201830377U (en) | Analogue/digital video conversion device for computer | |
| CN205158877U (en) | LED display control card, LED lamp plate and LED display system | |
| CN201608820U (en) | Audio/video control system for large-scale LED display screen | |
| CN201577135U (en) | Matrix with multiple input formats and high rate | |
| CN201422137Y (en) | Matrix switcher | |
| CN101702848A (en) | Monoline driving circuit in series of LED decorative illumination | |
| CN203300153U (en) | Ultrahigh-resolution-ratio LED splicing displaying system | |
| CN104902194A (en) | Video/audio signal channel switching device | |
| CN201039353Y (en) | Selection recognition circuit for multi-channel signal source interface | |
| CN201623792U (en) | LED display screen audio-video control device and LED display screen | |
| CN212381303U (en) | Device for realizing double-link DVI (digital video interactive) based on FPGA (field programmable Gate array) | |
| CN212850752U (en) | Universal video matrix circuit | |
| CN203632783U (en) | Multipath long-distance VGA signal differential transmitting device and receiving device | |
| CN202171933U (en) | LED (light-emitting diode) split-join display device with super high resolution rate | |
| CN202711245U (en) | Signal switching device based on peripheral component interconnect express (PCI-E) bus | |
| CN210327790U (en) | Multi-interface coding and decoding device | |
| CN205249496U (en) | Wireless communication terminal | |
| CN201663653U (en) | Hybrid module type high-definition matrix system | |
| CN211509168U (en) | Backboard and video processing equipment | |
| CN209046772U (en) | Video processor and display system | |
| CN210092491U (en) | USB Hub with interface blind plugging function | |
| CN212064205U (en) | HDMI signal extender | |
| CN209710214U (en) | Display controller | |
| CN201557195U (en) | High-definition player | |
| CN203251363U (en) | Module with display integration, superposition and switching functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20190722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |