CN206711574U - Displaying screen controller and display screen control system - Google Patents
Displaying screen controller and display screen control system Download PDFInfo
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- CN206711574U CN206711574U CN201720473470.9U CN201720473470U CN206711574U CN 206711574 U CN206711574 U CN 206711574U CN 201720473470 U CN201720473470 U CN 201720473470U CN 206711574 U CN206711574 U CN 206711574U
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Abstract
The utility model embodiment discloses a kind of displaying screen controller, including input interface, Video Decoder, image processing circuit, driver group, data group output interface, video encoder, output interface and governor circuit；The Video Decoder is connected between the input interface and described image process circuit, the driver group is connected between the data group output interface and described image process circuit, the video encoder is connected between the output interface and described image process circuit or the output interface and the Video Decoder, and the governor circuit connects described image process circuit and connects the input interface, the Video Decoder, the video encoder and the output interface respectively by universal serial bus.In addition, also disclose the display screen control system using this kind of displaying screen controller.
Description
Technical field
It the utility model is related to display control technology field, more particularly to a kind of displaying screen controller and a kind of display screen
Control system.
Background technology
A variety of fields that LED display is widely applied in daily life due to the features such as its visual high and low-power consumption at present
Close.The normal display of LED display be unable to do without perfect control system, and existing display screen control system is typically soft by host computer
Part, sending card, receive card three parts composition.They can realize that the screen body under various complicated applications occasions is shown, but one
The occasion such as, plug and play, market show window screen not high to whole screen resolution requirement a bit, often need not such complicated control system
System, there are some application scenarios, be limited to application space, it is difficult to meet user to system architecture letter to cause current control system
The requirement singly changed.
Utility model content
Embodiment of the present utility model provides a kind of displaying screen controller and a kind of display screen control system, solves existing
Control system is difficult to meet that user simplifies the problem of requiring to system architecture, to realize the technique effect of simplified control system.
On the one hand, there is provided a kind of displaying screen controller, including：Input interface, Video Decoder, image processing circuit,
Driver group, data group output interface, video encoder, output interface and governor circuit；The Video Decoder is connected to institute
State between input interface and described image process circuit, the driver group is connected to the data group output interface and the figure
As between process circuit, the video encoder is connected to the output interface and described image process circuit or the output
Between interface and the Video Decoder, the governor circuit connects described image process circuit and connected respectively by universal serial bus
Connect the input interface, the Video Decoder, the video encoder and the output interface.
In one embodiment of the present utility model, the input interface is video interface, and the governor circuit passes through
UART buses connect the part stitch of the video interface.
In one embodiment of the present utility model, the input interface is for multichannel and including master control input interface and backup
Input interface.
In one embodiment of the present utility model, the data group output interface is for transmitting multigroup RGB data group
RGB data group output interface.
In one embodiment of the present utility model, the output interface is video interface, and the governor circuit passes through
UART buses connect the part stitch of the video interface.
In one embodiment of the present utility model, the output interface is multi-path redundancy output interface.
In one embodiment of the present utility model, the displaying screen controller includes main controller, the input interface,
Video Decoder, image processing circuit, driver group, data group output interface, video encoder, output interface and governor circuit
It is arranged on same circuit board and is connect as the composition part of the main controller, the data group output interface for winding displacement
Mouthful.
In one embodiment of the present utility model, the main controller also includes temperature sensor and voltage sample electricity
Road, the temperature sensor and the voltage sampling circuit connect the governor circuit respectively；Described image process circuit includes
PLD, the governor circuit include MCU.
In one embodiment of the present utility model, the displaying screen controller also includes removably connecting the master control
The subcard of fabrication；Microcontroller is provided with the subcard and connect the wired network interface of the microcontroller, WiFi module,
USB interface and/or bluetooth module；The microcontroller configures USB；Described in the serial bus interface connection
The input interface of main controller, and carry out serial communication with the governor circuit on the main controller.
Another further aspect, there is provided a kind of display screen control system, including multiple foregoing displaying screen controllers, it is described
Multiple displaying screen controllers include the first displaying screen controller and second display screen controller, the second display screen controller
The input interface connects the output interface of first displaying screen controller.Wherein, the input interface and output connect
Mouth is for example video interface, so as to which the first displaying screen controller and second display screen controller are cascaded by video interface.
A technical scheme in above-mentioned technical proposal has the following advantages that or beneficial effect：When displaying screen controller application
When LED display control system, it is to be combined into one sending card function with receiving card function, that replaces traditional sending card
The occupation mode separated with receiving card, Single Controller is output of the input with RGB data group that vision signal can be achieved, one
System connection complexity is reduced under the occasion such as, plug and play, market show window screen not high to whole screen resolution requirement a bit, simplifies user
Use operation, facilitate user's fast construction system application.
Another technical scheme in above-mentioned technical proposal has the following advantages that or beneficial effect：When each display screen controls
When the input of device, output interface are video interface, its can be cascaded or even be carried out by video interface input backup and
Redundancy output is exported, thus flexibility and the stability of whole system can be lifted.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present utility model
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the displaying screen controller in the utility model first embodiment；
Fig. 2 is the structural representation of the displaying screen controller in the utility model second embodiment；
Fig. 3 is the structural representation of the displaying screen controller in the utility model 3rd embodiment；
Fig. 4 is the structural representation of the displaying screen controller in the utility model fourth embodiment；
Fig. 5 is the structural representation of the display screen control system in the embodiment of the utility model the 5th.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
First embodiment
As shown in figure 1, a kind of displaying screen controller 10 provided in the utility model first embodiment, including：Input connects
Mouthfuls 11, Video Decoder 12, image processing circuit 13, driver group 14, data group output interface 15, video encoder 16, defeated
Outgoing interface 17 and governor circuit 18.Video Decoder 12 is connected between input interface 11 and image processing circuit 13, driver
Group 14 is connected between data group output interface 15 and image processing circuit 13, video encoder 16 be connected to output interface 17 with
Between image processing circuit 13, governor circuit 18 connects image processing circuit 13 and connects input interface respectively by universal serial bus
11st, Video Decoder 12, video encoder 16 and output interface 17.
The present embodiment is to be when applied to LED display control system with receiving card function conjunction two by sending card function
One, the occupation mode that traditional sending card separates with receiving card is that replaced, Single Controller is the input that vision signal can be achieved
With the output of RGB data group, reduced under the occasions such as some, plug and play not high to whole screen resolution requirement, market show window screens
System connection complexity, simplify the use operation of user, facilitate user's fast construction system application.
Second embodiment
As shown in Fig. 2 a kind of displaying screen controller 20 provided in the utility model second embodiment includes main controller.
The main controller includes circuit board 200 and two-way the input interface 21a, 21b, the Video Decoder that are arranged on circuit board 200
22nd, image processing circuit 23, driver group 24, data group output interface 25, video encoder 26, output interface 27, master control electricity
Road 28 and memory 29a, in addition also include being arranged in temperature sensor 29b, voltage sampling circuit 29c on circuit board 200 and
Flash memory 29d.
Video Decoder 22 is connected between input interface 21a, 21b and image processing circuit 23, and driver group 24 connects
Between data group output interface 25 and image processing circuit 23, video encoder 26 is connected to output interface 27a, 27b and figure
As between process circuit 23, governor circuit 28 connects image processing circuit 23 and connected by universal serial bus such as UART buses defeated
Incoming interface 21a, 21b and output interface 27a, 27b, and the He of Video Decoder 22 is connected by universal serial bus such as I2C buses
Video encoder 26.Memory 29a is, for example, the volatile memory such as dynamic RAM, and it connects image processing circuit 23
To coordinate image processing circuit 23 to carry out image processing operations.Temperature sensor 29b and voltage sampling circuit 29c connect master respectively
Circuit 28 is controlled, it gathers the physical parameters such as the temperature of main controller, temperature and is supplied to governor circuit 28 respectively, for master control electricity
Realize the real-time monitoring to main controller running status in road 28.Flash memory 29d for example connects governor circuit 28 by spi bus, when
Right flash memory 29d can also be substituted for other non-volatile memory mediums.
More specifically, two-way input interface 21a, 21b are preferably respectively configured to master control input interface and backup input connects
Mouthful, thus input interface 21a for example receives input video source all the way and input interface 21b receives the road input video source
Backup source, backup source herein have data content with the road input video source.Master control and the setting of backup input interface, can be with
The input Hot Spare of main controller is realized, it is advantageous to the system input stability for lifting main controller.Furthermore the present embodiment
Input interface 21a, 21b are video interface, such as the digital visual interface such as HDMI；Certainly, input interface 21a, 21b by with
It is set to as master control, backup input interface in use, it can be identical video interface or different videos connects
Mouthful.
Video Decoder 22 can be the separate video decoding chip of two-way or double all the way in the present embodiment
PASS VIDEO decoding chip, it is used for after carrying out video decoding process to the input video source inputted from input interface 21a, 21b
Deliver to image processing circuit 23 and do further image procossing.Herein, Video Decoder 22 can also detect input interface 21a, 21b
Aerial lug state it is whether abnormal and testing result is stored in local register for image processing circuit 23 or master control electricity
Road 28 is directly obtained by I2C buses.As for【Aerial lug abnormal state】It is typical refer to it is not connected outside input interface or
There is connection outside but in the state that goes offline, so as to detect effective external connection.
Image processing circuit 23 is for example including PLD, as FPGA device etc..In the present embodiment, image procossing
The Video processing locating depth of circuit 23 for example supports 12bit/10bit/8bit, the vision signal after the processing of image processing circuit 23
LED display body can be directly driven to be shown.Driver group 24 is, for example, multiple 74HC245 chips, and it can be used for signal
Enhancing.It is of course also possible to it is other chipsets that can be used for signal enhancing.Data group output interface 25 is for example more for exporting
Group RGB data group, it is typically winding displacement interface, such as double 80pin row mother；In general, data group output interface 25
Can be by the way that the LED lamp panel on LED display body be connect after HUB plates progress Interface Expanding again.
Video encoder 26 can be two-pass video coding chip all the way in the present embodiment, and it is used at image
The video source data of reason circuit 23 is exported to realize video source after carrying out Video coding by output interface 27a, 27b progress redundancy
Cascade forwarding.Furthermore in the present embodiment, output interface 27a, 27b are video interface, such as the digital video such as HDMI connects
Mouthful；Certainly, output interface 27a, 27b can be identical video interface or different video interfaces.
Governor circuit 28 is for example including microcontroller, such as MCU, as the MCU based on ARM kernels or other types of MCU.
In the present embodiment, governor circuit 28 loads the control of main controller whole system and the processing of cascade signal while needs to configure
Video Decoder 22 and video encoder 26.When input interface 21a, 21b and output interface 27a, 27b are video interface,
Governor circuit 28 for example connected by UART buses the part stitch of each video interface for being used as input interface 21a/21b with
And the part stitch of each video interface for being used as output interface 27a/27b is connected by UART buses, it will thus use
It is directly integrated in the rs 232 serial interface signal of cascade Mach-Zehnder interferometer inside video interface, greatly simplify the design of system.
3rd embodiment
As shown in figure 3, a kind of displaying screen controller 30 provided in the utility model 3rd embodiment includes main controller.
The main controller includes two-way input interface 31a, 31b, the Video Decoder of circuit board 300 and arrangement on the circuit board 300
32nd, image processing circuit 33, driver group 34, data group output interface 35, video encoder 36, output interface 37, master control electricity
Road 38 and memory 39a, in addition also include arrangement temperature sensor 39b, voltage sampling circuit 39c on the circuit board 300 and
Flash memory 39d.
Video Decoder 32 is connected between input interface 31a, 31b and image processing circuit 33, and driver group 34 connects
Between data group output interface 35 and image processing circuit 33, video encoder 36 is connected to output interface 37a, 37b with regarding
Between frequency decoder 32, governor circuit 38 connects image processing circuit 33 and by universal serial bus such as UART buses connection input
Interface 31a, 31b and output interface 37a, 37b, and Video Decoder 32 is connected by universal serial bus such as I2C buses and regarded
Frequency encoder 36.Memory 39a is, for example, the volatile memory such as dynamic RAM, its connect image processing circuit 33 with
Image processing circuit 33 is coordinated to carry out image processing operations.Temperature sensor 39b and voltage sampling circuit 39c connect master control respectively
Circuit 38, it gathers the physical parameters such as the temperature of main controller, temperature and is supplied to governor circuit 38 respectively, for governor circuit
38 realize the real-time monitoring to main controller running status.Flash memory 39d for example connects governor circuit 38 by spi bus, certainly
Flash memory 39d can also be substituted for other non-volatile memory mediums.
More specifically, two-way input interface 31a, 31b are preferably respectively configured to master control input interface and backup input connects
Mouthful, thus input interface 31a for example receives input video source all the way and input interface 31b receives the road input video source
Backup source, backup source herein have data content with the road input video source.Master control and the setting of backup input interface, can be with
The input Hot Spare of main controller is realized, it is advantageous to the system input stability for lifting main controller.Furthermore the present embodiment
Input interface 31a, 31b are video interface, such as the digital visual interface such as HDMI；Certainly, input interface 31a, 31b by with
It is set to as master control, backup input interface in use, it can be identical video interface or different videos connects
Mouthful.
Video Decoder 32 can be the separate video decoding chip of two-way or double all the way in the present embodiment
PASS VIDEO decoding chip, it is used for after carrying out video decoding process to the input video source inputted from input interface 31a, 31b
Deliver to image processing circuit 33 and do further image procossing.Herein, Video Decoder 32 can also detect input interface 31a, 31b
Aerial lug state it is whether abnormal and testing result is stored in local register total directly by I2C for governor circuit 38
Line obtains.
Image processing circuit 33 is for example including PLD, as FPGA device etc..In the present embodiment, image procossing
The Video processing locating depth of circuit 33 for example supports 12bit/10bit/8bit, the vision signal after the processing of image processing circuit 33
LED display body can be directly driven to be shown.Driver group 34 is, for example, multiple 74HC245 chips, and it can be used for signal
Enhancing.It is of course also possible to it is other chipsets that can be used for signal enhancing.Data group output interface 35 is for example more for exporting
Group RGB data group, it is typically winding displacement interface, such as double 80pin row mother；In general, data group output interface 35
Can be by the way that the LED lamp panel on LED display body be connect after HUB plates progress Interface Expanding again.
Video encoder 36 can be two-pass video coding chip all the way in the present embodiment, and it is used for from video solution
The video source data all the way that code device 32 provides is exported to realize after carrying out Video coding by output interface 37a, 37b progress redundancy
The cascade forwarding of video source.Furthermore in the present embodiment, output interface 37a, 37b are video interface, such as the numeral such as HDMI regards
Frequency interface；Certainly, output interface 37a, 37b can be identical video interface or different video interfaces.
Governor circuit 38 is for example including microcontroller, such as MCU, as the MCU based on ARM kernels or other types of MCU.
In the present embodiment, governor circuit 38 loads the control of main controller whole system and the processing of cascade signal while needs to configure
Video Decoder 32 and video encoder 36.When input interface 31a, 31b and output interface 37a, 37b are video interface,
Governor circuit 38 for example connected by UART buses the part stitch of each video interface for being used as input interface 31a/31b with
And the part stitch of each video interface for being used as output interface 37a/37b is connected by UART buses, it will thus use
It is directly integrated in the rs 232 serial interface signal of cascade Mach-Zehnder interferometer inside video interface, greatly simplify the design of system.
In third embodiment of the invention, the video source data of video encoder 36 arises directly from video encoder 32
Output, rather than the forwarding for coming from image processing circuit as described in second embodiment, therefore can reduce to image procossing electricity
Resource occupation in road, lift the data processing efficiency of image processing circuit.
Fourth embodiment
As shown in figure 4, a kind of displaying screen controller 40 provided in the utility model fourth embodiment includes son master, and should
Kind subcard can be used with the main controller in connection figure 2 or Fig. 3 with being combined.Specifically, the subcard of the present embodiment includes:Electricity
Road plate 400 and microcontroller 41, flash memory 42, PHY chip 43, wired network interface 44, the WiFi moulds being arranged on circuit board 400
Block 45, USB interface 46 and bluetooth module 47.Wherein, flash memory 42 connects, such as connects microcontroller 41 by spi bus, and it is worked as
Other nonvolatile memories can also be so substituted for；Wired network interface 44 and WiFi module 45 pass through PHY chip 43 respectively
Connect microcontroller 41；USB interface 46 connects microcontroller 41；And bluetooth module 47 connects, such as connected by UART buses
Connect microcontroller 41.
In the present embodiment, wired network interface 44, WiFi module 45, the setting of USB interface 46 and bluetooth module 47 are main
Be easy for upper computer software such as PC, mobile phone on software antithetical phrase card be controlled, therefore can also only configure these yuan
One or more of part, and it is not limited to configuration all.
Hold above-mentioned, microcontroller 41 is typically include MCU, for example with STM32F207 chips, is mainly used in realizing and sends
Card is with screen function.Furthermore microcontroller 41 be configured with UART mouths 411 in order to the input interface with main controller be connected with master
Governor circuit in control card carries out serial communication；Certain UART mouths 411 can also be substituted for other suitable universal serial bus and connect
Mouthful.
The subcard of the present embodiment can combine with main controller shown in Fig. 2 or Fig. 3, and now the subcard turns into whole display screen
The system master equipment of controller, for realizing that sending card matches somebody with somebody screen function.Subcard can pass through USB interface 46, wired network interface
44 communicate such as 100-M network Ethernet, WiFi module 45, bluetooth module 47 with upper computer software, and communication interface is enriched, it is possible to achieve
Wired, wireless mode greatly facilitates configuration and data of the user to LED display in the case of remote management and sent with screen.
5th embodiment
As shown in figure 5, a kind of display screen control system 50 provided in the embodiment of the utility model the 5th, it includes multiple
Displaying screen controller such as 501 and 503.Specifically, in Figure 5, display screen control system 50 includes displaying screen controller 501
The main controller of main controller and displaying screen controller 503 simultaneously forms cascade；Master control as the displaying screen controller 501 of prime
The input interface of fabrication is adapted to video source to receive vision signal and connect subcard by universal serial bus such as UART buses
(such as shown in Fig. 4), the main controller as the input interface connection prime of the main controller of the displaying screen controller 503 of rear class
Output interface with receive prime forwarding vision signal and by universal serial bus for example UART buses cascade prime main control
The output interface of card is so that displaying screen controller 501 and displaying screen controller 503 form cascade Mach-Zehnder interferometer.In addition, each display screen
The data group output interface of controller 501,503 can connect the LED on LED display body by HUB plates (or pinboard)
Lamp plate, so as to realize the display control to LED display body.As for the main controller in LED display controller 501,503
Concrete structure can be found in Fig. 2 or Fig. 3, will not be repeated here.
In the present embodiment, when input, output interface in each displaying screen controller 501,503 are video interface, its
It can be cascaded or even be carried out by video interface to input backup and export redundancy output, thus whole system can be lifted
Flexibility and stability.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multichannel unit or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multichannel
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (10)
- A kind of 1. displaying screen controller, it is characterised in that including：Input interface, Video Decoder, image processing circuit, driving Device group, data group output interface, video encoder, output interface and governor circuit；The Video Decoder is connected to described defeated Between incoming interface and described image process circuit, the driver group is connected at the data group output interface and described image Between managing circuit, the video encoder is connected between the output interface and described image process circuit or is connected to institute State between output interface and the Video Decoder, the governor circuit connects described image process circuit and passes through universal serial bus The input interface, the Video Decoder, the video encoder and the output interface are connected respectively.
- 2. displaying screen controller according to claim 1, it is characterised in that the input interface is video interface, described Governor circuit connects the part stitch of the video interface by UART buses.
- 3. displaying screen controller according to claim 1, it is characterised in that the input interface is for multichannel and including master control Input interface and backup input interface.
- 4. displaying screen controller according to claim 1, it is characterised in that the data group output interface is for transmitting The RGB data group output interface of multigroup RGB data group.
- 5. displaying screen controller according to claim 1, it is characterised in that the output interface is video interface, described Governor circuit connects the part stitch of the video interface by UART buses.
- 6. displaying screen controller according to claim 1, it is characterised in that the output interface is that multi-path redundancy output connects Mouthful.
- 7. displaying screen controller according to claim 1, it is characterised in that including main controller, the input interface, regard Frequency decoder, image processing circuit, driver group, data group output interface, video encoder, output interface and governor circuit cloth Put on same circuit board and as the composition part of the main controller, the data group output interface is winding displacement interface.
- 8. displaying screen controller according to claim 7, it is characterised in that the main controller also includes temperature sensor And voltage sampling circuit, the temperature sensor and the voltage sampling circuit connect the governor circuit respectively；Described image Process circuit includes PLD, and the governor circuit includes MCU.
- 9. displaying screen controller according to claim 7, it is characterised in that also include removably connecting the main control The subcard of card；Microcontroller is provided with the subcard and connect the wired network interface of the microcontroller, WiFi module, USB interface and/or bluetooth module；The microcontroller configures USB；Described in the serial bus interface connection The input interface of main controller, and carry out serial communication with the governor circuit on the main controller.
- 10. a kind of display screen control system, including multiple displaying screen controllers as described in claim 1 to 8 any one, institute Stating multiple displaying screen controllers includes the first displaying screen controller and second display screen controller, the second display screen controller The input interface connect the output interface of first displaying screen controller.
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| CN201720473470.9U CN206711574U (en) | 2017-04-28 | 2017-04-28 | Displaying screen controller and display screen control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081184A (en) * | 2018-10-19 | 2020-04-28 | 西安诺瓦星云科技股份有限公司 | Display screen controller, display system, core board and display box |
| CN111274184A (en) * | 2018-12-05 | 2020-06-12 | 西安诺瓦星云科技股份有限公司 | Serial interface device driver, embedded processor and video controller |
| CN111445837A (en) * | 2018-12-28 | 2020-07-24 | 西安诺瓦星云科技股份有限公司 | Connector group, display control card, adapter plate and display screen system |
| CN111857521A (en) * | 2020-06-28 | 2020-10-30 | 西安诺瓦星云科技股份有限公司 | Multi-device management method and device and integrated display control system |
| CN112540884A (en) * | 2019-09-23 | 2021-03-23 | 西安诺瓦星云科技股份有限公司 | Hot backup effect detection method, device, system and computer readable medium |
| CN114546309A (en) * | 2020-11-27 | 2022-05-27 | 西安诺瓦星云科技股份有限公司 | Screen configuration method and screen configuration device of spliced screen and spliced screen |
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2017
- 2017-04-28 CN CN201720473470.9U patent/CN206711574U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081184A (en) * | 2018-10-19 | 2020-04-28 | 西安诺瓦星云科技股份有限公司 | Display screen controller, display system, core board and display box |
| CN111274184A (en) * | 2018-12-05 | 2020-06-12 | 西安诺瓦星云科技股份有限公司 | Serial interface device driver, embedded processor and video controller |
| CN111274184B (en) * | 2018-12-05 | 2021-07-02 | 西安诺瓦星云科技股份有限公司 | Serial interface device driver, embedded processor and video controller |
| CN111445837A (en) * | 2018-12-28 | 2020-07-24 | 西安诺瓦星云科技股份有限公司 | Connector group, display control card, adapter plate and display screen system |
| CN112540884A (en) * | 2019-09-23 | 2021-03-23 | 西安诺瓦星云科技股份有限公司 | Hot backup effect detection method, device, system and computer readable medium |
| CN112540884B (en) * | 2019-09-23 | 2024-04-05 | 西安诺瓦星云科技股份有限公司 | Hot backup effect detection method, device, system and computer readable medium |
| CN111857521A (en) * | 2020-06-28 | 2020-10-30 | 西安诺瓦星云科技股份有限公司 | Multi-device management method and device and integrated display control system |
| CN111857521B (en) * | 2020-06-28 | 2022-06-17 | 西安诺瓦星云科技股份有限公司 | Multi-device management method and device and integrated display control system |
| CN114546309A (en) * | 2020-11-27 | 2022-05-27 | 西安诺瓦星云科技股份有限公司 | Screen configuration method and screen configuration device of spliced screen and spliced screen |
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Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: XI'AN NOVASTAR TECH Co.,Ltd. Address before: 710075 No.401, Zone D, qinfengge, Xi'an Software Park, No.68, Keji 2nd Road, high tech Zone, Xi'an City, Shaanxi Province Patentee before: Xi'an NovaStar Tech Co.,Ltd. |