CN201993902U - Light-emitting diode (LED) display screen wireless remote control debugging system - Google Patents
Light-emitting diode (LED) display screen wireless remote control debugging system Download PDFInfo
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- CN201993902U CN201993902U CN2011200019993U CN201120001999U CN201993902U CN 201993902 U CN201993902 U CN 201993902U CN 2011200019993 U CN2011200019993 U CN 2011200019993U CN 201120001999 U CN201120001999 U CN 201120001999U CN 201993902 U CN201993902 U CN 201993902U
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Abstract
The utility model discloses a light-emitting diode (LED) display screen wireless remote control debugging system, which comprises a wireless remote control transmitter and a wireless remote control receiver. The wireless remote control transmitter is used for transmitting debugging information to the wireless remote control receiver according to instructions of users. The wireless remote control receiver is used for receiving and processing the debugging information, running a debugging program and transmitting debugging data to an LED display screen through a gigabit network port, a Serdes chip low voltage differential signaling (LVDS) port or an RS-485 conversion chip serial port. The LED display screen wireless remote control debugging system utilizes a wireless remote control debugger to transmit and receive the debugging information, run the embedded debugging program and transmit an appointed debugging image or debugging mode to a control system of the LED display screen, thereby being convenient for on-site maintainers to observe, debug and maintain a large screen.
Description
Technical field
The utility model relates to a kind of LED display control control technique, relates in particular to a kind of LED display wireless remote control debug system.
Background technology
Lattice module or pixel cell that LED display utilizes light emitting diode to constitute are formed the large tracts of land display screen, characteristics such as have reliability height, long service life, adaptive capacity to environment is strong, cost performance is high, use cost is low, be the main product of flat pannel display, obtained using widely in field of information display.Wherein, the LED display control system is the core component of LED display.
Existing debug system is with the main control computer 101 of data communication card to be connected with screen body controller 103 by twisted-pair feeder 102 (or optical fiber) as shown in Figure 1, and screen body controller 103 is to LED display 105 transmission LED display data and control signals 104.In the field maintemance of LED display, usually adopt computing machine to check the failure condition of each module of LED display at screen body near-end or long-range operation debugging software, as in the near-end handling failure, need control computer is moved to the scene, as at the pulpit remote control and regulation, then need two people to adopt intercom to carry out communication, constantly call required display frame on computers, very inconvenient, efficient is also very low.
The utility model content
The utility model embodiment technical matters to be solved is, a kind of LED display wireless remote control debug system is provided, and by wireless remote mode, substituting for computer sends to Debugging message the control system of LED screen.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of LED display wireless remote control debug system, and described system comprises wireless remote control transmitter and wireless remote controlled receiver;
Described wireless remote control transmitter is used for the instruction according to the user, sends Debugging message to described wireless remote controlled receiver;
Described wireless remote controlled receiver, be used for receiving and handling described Debugging message, the operation debugged program, and via gigabit network interface, Serdes (serializer/and change device, Serializer/Deserialize) chip LVDS (Low Voltage Differential Signal, Low Voltage Differential Signaling) mouth or RS-485 conversion chip serial ports send tune-up data to LED display.
Further, described wireless remote control transmitter comprises keyboard, single-chip microcomputer, wireless sending module and the display that is connected;
Described keyboard is used for to described single-chip microcomputer input Debugging message;
Described single-chip microcomputer is used for sending described Debugging message to described wireless sending module, and sends the key command edit file to the display that is attached thereto;
Described wireless sending module is used for sending described Debugging message to described wireless remote controlled receiver;
Key command edit file when described display is used for display keyboard input Debugging message.
Further, have 23 buttons on the described keyboard at least, comprise 16 hexadecimal characters and password instruction, affirmation, command bits ,+1, speed, suspend and 7 function keys that reset, wherein+1 key is used for a certain instruction place value is realized increasing progressively fast and carry, and the speed key is used to control the movement velocity of display frame;
Also be provided with 6 instructions on the described keyboard and adjust position LED light, but be used to show the location number of the current Fast transforms of 6 debug commands.
Further, described wireless remote control transmitter also is provided with and sends pilot lamp and power supply marking light;
Described transmission pilot lamp is a LED light, is connected with described wireless sending module, and when signal sends, described transmission pilot lamp flicker;
Described power supply marking light is a LED light, is used for showing having or not of described wireless remote control transmitter electric power and power with the power of its brightness.
Further, described wireless sending module adopts the civilian radio band that need not to apply for, frequency range is 400-500MHz.
Further, described wireless remote controlled receiver comprise the wireless receiving module that is connected, programmable module, kilomega network PHY (Physical layer, physics) and gigabit network interface, Serdes chip and LVDS mouth, RS-485 conversion chip and serial ports, display;
Described wireless receiving module is used to receive described Debugging message, and described Debugging message is input to described programmable module;
Described programmable module is used for coding, and according to described Debugging message described program is debugged, and tune-up data is sent to kilomega network PHY, Serdes chip, RS-485 conversion chip and the described display that is attached thereto;
Described kilomega network PHY and gigabit network interface, Serdes chip and LVDS mouth, RS-485 conversion chip and serial ports are used to handle described tune-up data, and send described treated tune-up data to the LED screen;
Described display is used to show the tune-up data that receives.
Further, described wireless remote controlled receiver also is provided with codan lamp and power supply marking light;
Described codan lamp is that LED light is connected with described wireless receiving module, when signal receives, and described codan lamp flicker;
Described power supply marking light is a LED light, is used for showing having or not of described wireless remote controlled receiver electric power and power with the power of its brightness.
Further, described wireless receiving module adopts the civilian radio band that need not to apply for, frequency range is 400-500MHz.
Further, described Debugging message comprises debugging control instruction and tuning parameter information.
Implement the utility model embodiment, has following beneficial effect: utilize the wireless remote control debug system to transmit and receive Debugging message, and the debugged program of operation embedding, transmit the debugging pictures or the debugging mode of appointment to the control system of LED display, so that the field maintemance personnel observe, debug and safeguard large-size screen monitors.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is an embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is existing LED display debug system synoptic diagram;
Fig. 2 is the utility model LED display wireless remote control debug system synoptic diagram;
Fig. 3 is the utility model wireless remote control transmitter keyboard layout synoptic diagram.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of LED display wireless remote control debug system, below in conjunction with Fig. 2-Fig. 3 the embodiment of this LED display wireless remote control debug system is described.
Fig. 2 is the utility model LED display wireless remote control debug system synoptic diagram.As shown in Figure 2, the system of present embodiment comprises: wireless remote control transmitter 1 and wireless remote controlled receiver 2, wherein:
Described wireless remote control transmitter 1 is used for the instruction according to the user, sends Debugging message to described wireless remote controlled receiver 2, and described Debugging message comprises debugging control instruction and tuning parameter information.
Concrete, described wireless remote control transmitter 1 comprises keyboard 11, single-chip microcomputer 12, wireless sending module 13 and the display 14 that is connected.
Described keyboard 11 is connected with described single-chip microcomputer 12, is used for by the button on the keyboard 11 to described single-chip microcomputer 12 input Debugging message.
Concrete, have 23 buttons on the described keyboard 11 at least, comprise 0～F16 hexadecimal character and password instruction, affirmation, command bits ,+1, speed, suspend and 7 function keys that reset, and the position LED light is adjusted in 6 instructions, be used to show the multidigit debug command that can dispose as required, but the location number of the current Fast transforms of 6 debug commands for example.Concrete keyboard layout figure sees also Fig. 3.
Wherein password instruction multiplexing, click and be the password input, clicking is the debug command input again; Acknowledgement key is used to send the affirmation behind the Mi Ma instruction character string; The command bits key is used for moving to left of 6 bit instruction positions, cooperates+1 key to realize increasing progressively fast and carry to a certain instruction place value, realizes the Fast transforms of function; The speed key is used to control the movement velocity of display frame; Pause key is used for moving the stopping of display frame and controls; Also have a reset key, click and promptly finish whole test functions, large-size screen monitors enter normal display state.
Described single-chip microcomputer 12 is used for sending described Debugging message to described wireless sending module 13, and sends the key command edit file to the display 14 that is attached thereto.
Concrete, described single-chip microcomputer 12 is preferred low in energy consumption and have a single-chip microcomputer of holding state, and purpose is to reduce power consumption and lengthen working hours.Described single-chip microcomputer 12 is embedded with the debug command generator program, and it is connected with wireless sending module 13 by the RS-232 serial ports, sends Debugging message according to button operation to wireless communication module 13; And, the key command edit file can be shown on display 14 to the display 14 transmission key command edit files that are attached thereto.
Described wireless sending module 13 is used for sending described Debugging message to described wireless remote controlled receiver 2.
Concrete, described wireless sending module 13 adopts the civilian radio band that need not to apply for as working frequency range, preference is 400-500MHz, diffraction is good, penetration power is strong, with short antenna, have the wireless bidirectional communication module of networking function, emissive power is about 200mW, and the transmitting range of permission is greater than 1000M.
Key command edit file when described display 14 is used for display keyboard input Debugging message.
Preferably, described wireless remote control transmitter 1 also is provided with and sends pilot lamp 15 and power supply marking light 16.
Described transmission pilot lamp 15 is LED light, is connected with described wireless sending module 13, and when signal sent, described wireless sending module 13 outputed to the signal that is sent and sends pilot lamp 15, makes described transmission pilot lamp 15 flickers;
Described power supply marking light 16 is LED light, is used for the power with electric power of having or not that power with its brightness shows described wireless remote control transmitter 1 power supply.16 brightness of power supply marking light are strong more, represent that described wireless remote control transmitter 1 power supply electric power is strong more; Otherwise 16 brightness of power supply marking light are weak more, represent that described wireless remote control transmitter 1 power supply electric power is weak more, until there not being power supply.
In addition, described wireless remote control transmitter 1 is provided with switch 17 and supply socket 18.Described switch 17 is used to control the direct current supply of described wireless remote control transmitter 1; Described supply socket 18 can connect plug-in direct supply.
Described wireless remote controlled receiver 2, be used for receiving and handling described Debugging message, the operation debugged program, and via gigabit network interface 24, Serdes (serializer/and change device, Serializer/Deserialize) chip LVDS (Low Voltage Differential Signal, Low Voltage Differential Signaling) mouth 26 or RS-485 conversion chip serial ports 28 send tune-up data to LED display.
Concrete, described wireless remote controlled receiver 2 comprise the wireless receiving module 21 that is connected, programmable module 22, kilomega network PHY23 (Physical layer, physics) and gigabit network interface 24, Serdes chip 25 and LVDS mouth 26, RS-485 conversion chip 27 and serial ports 28, display 29.
Described wireless receiving module 21 is used to receive described Debugging message, and described Debugging message is input to described programmable module 22.Described Debugging message comprises debugging control instruction and tuning parameter information.
Concrete, described wireless receiving module 21 adopts the civilian radio band that need not to apply for as working frequency range, preference is 400-500MHz, diffraction is good, penetration power is strong, with short antenna, have the wireless bidirectional communication module of networking function, emissive power is about 200mW, and the transmitting range of permission is greater than 1000M.It receives described Debugging message, sends described Debugging message to programmable chip 22, and can be to described wireless sending module passback response message.
Described programmable module 22 is used for coding, and according to described Debugging message described program is debugged, and tune-up data is sent to kilomega network PHY, Serdes chip, RS-485 conversion chip and the described display that is attached thereto.
Concrete, described programmable module 22 preferred extensive field-programmable chip FPGA, editor's program can be according to the Debugging message of receiving, move debugged program, and the tune-up data of appointment is sent to kilomega network PHY23, Serdes chip 25, RS-485 conversion chip 27 and the display 29 that is attached thereto.
Described kilomega network PHY23 and gigabit network interface 24, Serdes chip 25 and LVDS mouth 26, RS-485 conversion chip 27 and serial ports 28 are used to handle described tune-up data, and send described treated tune-up data to the LED screen.
Concrete, described kilomega network PHY23 with the tune-up data of appointment through and the string conversion after send to the gigabit network interface 24 that is attached thereto, be used to debug LED module by the connection of kilomega network pattern; Described gigabit network interface 24 is Registered Jack-45, has transformer.
Described Serdes chip 25 preferred LVDS Serdes chips send to the LVDS mouth 26 that is attached thereto after it also goes here and there the tune-up data of appointment conversion, be used to debug the LED module that connects by the LVDS pattern; Described LVDS mouth 26 adopts the Registered Jack-45 that does not have transformer.
The RS-232 format information that described RS-485 conversion chip 27 receives from programmable chip 22 sends to the serial ports 28 that is attached thereto with the tune-up data of appointment after level conversion; Described serial ports 28 is DB9 sockets, can be used for tune-up data is sent to the LED divider that the screen body adopts the data allocations pattern, by the LED divider tune-up data is delivered to the designated LED module again.
Described display is used to show the tune-up data that receives.
Concrete, described display 29 is miniature LCD display or digital display tube, is used to show the wireless debug command and the display parameter that receive.
Preferably, described wireless remote controlled receiver 2 also is provided with codan lamp 2a and power supply marking light 2b.
Described codan lamp 2a is a LED light, is connected with described wireless receiving module 21.When signal received, described wireless receiving module 21 outputed to codan lamp 2a with the status signal that is received, and makes described codan lamp 2a flicker; Described power supply marking light 2b is a LED light, is used for showing having or not of described wireless remote controlled receiver 2 electric power and power with the power of its brightness.Power supply marking light 2b brightness is strong more, represents that described wireless remote controlled receiver 2 power supply electric power are strong more; Otherwise power supply marking light 2b brightness is weak more, represents that described wireless remote controlled receiver 2 power supply electric power are weak more, until there not being power supply.
In addition, described wireless remote controlled receiver 2 also is provided with power switch 2c and power interface 2d.
Described power switch 2c is used to control the direct current or the Alternating Current Power Supply of described wireless remote controlled receiver 1; Described power interface 2d exchanges or Direct current power source socket.
Below the concrete course of work of wireless remote control of the present utility model debugging is elaborated.For avoiding the interference of external signal, further guarantee the accuracy that the wireless remote control instruction is sent, before the normal communication, must at first click password instruction key, export 6 passwords then, click acknowledgement key again, when only the password of the password that sends when the wireless remote control transmitter and setting was identical, the wireless remote control debug system just entered the large-size screen monitors debugged program, then can send 6 debug command sign indicating numbers, click acknowledgement key again, enter the debugging mode of appointment.Among Fig. 3, first of 6 debug commands is that function, gray scale show and color is selected, and its choosing value 0～6th, function show that 9～F is that gray scale shows (7,8 is undetermined), the both comprises color and selects, concrete definition is 0 or 9 to be panchromatic, 1 or A be red, 2 or B be green, 3 or C be blue, 4 or D be red green, 5 or E be turquoise, 6 or F be Lan Hong.
When first of 6 debug commands is defined as function and shows, second and third, four, five represent cabinet to select, stipulate that second and third position is that the casing horizontally-arranged is selected, wherein second is initial row, sexadecimal 0～F is totally 16 rows, the 3rd is that this row back shows horizontally-arranged number continuously, the maximal value that shows the horizontally-arranged number continuously should be the practical application number that shields of user (≤F), surpass and be the practical application number.For example display screen has 0～9 totally 10 row's casings, then 00 refer to the 0th row's casing, 23 refer to from the 2nd queue continuous 3 rows in back totally 2～5 four row's casings, 09 refer to queue continuous 9 rows totally 0～90 row's casing (being whole horizontally-arranged casings), 81～8F all refer to queue continuous 1 row totally 8～9 liang of row's casings from the 8th from the 0th; Fourth, fifth is that the casing file is selected, wherein second is initial row, and sexadecimal 0～F is totally 16 row, and the 3rd is that this row back shows the file number continuously, the same maximal value that shows the file number continuously should be the practical application number that shields of user (≤F), surpass and be the practical application number.For example display screen has 0～9 totally 10 row casings, then 10 refer to the 1st row casing, 34 refer to from continuous 4 row of the 3rd row totally 3～7 five row casings, 09 refer to that totally 0～90 row casing (being whole file casings), 72～7F refer to that all being listed as continuous 2 from the 7th is listed as totally 7～9 three row casings from continuous 9 row of the 0th row.If the resolution of standard casing is 64 * 48, the full frame resolution of support is 1024 * 768, if the resolution of standard casing is 64 * 64, the full frame resolution of support is 1024 * 1024.The 6th of 6 debug commands is that debug function is selected, by frequency of utilization, the 0th, bright entirely, the 1st, between 8 row+8 horizontal stroke, the 2nd, single-row, the 3rd, single file, the 4th, single-row+Dan Heng (grand cross), the 5th, between 8 row, the 6th, between 8 row, the 7th, monocline, the 8th, between 8 oblique, 9～F goes out entirely or undetermined.
When first of 6 debug commands was set at gray scale and shows, the 2nd～6 was 20bit gray scale and brightness value, can determine gray scale and brightness progression respectively by demand, 14bit gray scale for example, 6bit brightness.Press acknowledgement key behind output gray level and the brightness value, can selected color gray scale and the brightness of full screen display.
After affirmation is sent in 6 debug commands, respectively the operational order position ,+1, speed, suspend and 5 the single function keys that reset, in order to change current debugging mode.Wherein the command bits key is used for moving to left of 6 debug command positions, and key pointer default value points to the 6th during start, and the 6th LED light is bright on the remote control panel, clicks the command bits key, key pointer-1, and LED light is bright to move to left one simultaneously.The command bits key cooperates+1 key to increase progressively fast a certain command bits, realizes the Fast transforms of function.For example when function shows, when the command bits key points to second or the 3rd of 6 debug commands, can change casing horizontally-arranged selective value immediately by+1 key; When the command bits key points to the 4th or the 5th of 6 debug commands, can change casing file selective value immediately by+1 key; When the command bits key points to the 6th of 6 debug commands, can change the pattern that function shows immediately by+1 key; When gray scale and brightness demonstration, command bits key and+1 key cooperate, and can constantly increase the progression that gray scale and brightness show fast.The speed key is used to control the movement velocity of display frame, clicks acceleration, clicks to recover former speed again.Pause key is used for the control of display frame, clicks expression display frame and suspends, and clicks expression display frame again and moves again.Also have a reset key, click and promptly finish whole test functions, large-size screen monitors enter normal display state.
Implement the utility model embodiment, has following beneficial effect: adopt wireless remote mode, distance that can be more than 1000M, operate wireless remote control debugger substituting for computer is issued the control system of LED display with debug command, shows the commissioning content of appointment.The test instruction of wireless remote control emission is abundant flexibly, its test signal comprise row, column, oblique line, OK+row, entirely bright, go out entirely, gray scale and brightness, R, G, B color can be set at single showing and various combinations, test signal can be suspended, the display speed scalable of test signal, but the display mode of appointment and color Fast transforms, and can put in order by casing, realize the locating and displaying of LED module, module and pixel arbitrarily.The utility model is easy and simple to handle, and is economical and practical, brought convenience for the field maintemance of LED display, improved the efficient of LED display field adjustable greatly, and the utility model also can be used for the similar application of plant produced debugging or other industry.
Above disclosed only is the utility model preferred embodiment, certainly can not limit the interest field of the utility model with this, therefore the equivalent variations of being done according to the utility model claim, for example change citizens' radio band, function setting that changes button that adopts and the figure place that changes command bits etc., still belong to the scope that the utility model is contained.
Claims (9)
1. LED display wireless remote control debug system, it is characterized in that: described system comprises wireless remote control transmitter and wireless remote controlled receiver;
Described wireless remote control transmitter is used for the instruction according to the user, sends Debugging message to described wireless remote controlled receiver;
Described wireless remote controlled receiver is used for receiving and handling described Debugging message, moves debugged program, and sends tune-up data via gigabit network interface, Serdes chip LVDS mouth or RS-485 conversion chip serial ports to LED display.
2. LED display wireless remote control debug system according to claim 1 is characterized in that: described wireless remote control transmitter comprises keyboard, single-chip microcomputer, wireless sending module and the display that is connected;
Described keyboard is used for to described single-chip microcomputer input Debugging message;
Described single-chip microcomputer is used for sending described Debugging message to described wireless sending module, and sends the key command edit file to the display that is attached thereto;
Described wireless sending module is used for sending described Debugging message to described wireless remote controlled receiver;
Key command edit file when described display is used for display keyboard input Debugging message.
3. LED display wireless remote control debug system according to claim 2, it is characterized in that: have 23 buttons on the described keyboard at least, comprise 16 hexadecimal characters and password instruction, affirmation, command bits ,+1, speed, suspend and 7 function keys that reset, wherein+1 key is used for a certain instruction place value is realized increasing progressively fast and carry, and the speed key is used to control the movement velocity of display frame;
Also be provided with 6 instructions on the described keyboard and adjust position LED light, but be used to show the location number of the current Fast transforms of 6 debug commands.
4. LED display wireless remote control debug system according to claim 2 is characterized in that: described wireless remote control transmitter also is provided with and sends pilot lamp and power supply marking light;
Described transmission pilot lamp is a LED light, is connected with described wireless sending module, and when signal sends, described transmission pilot lamp flicker;
Described power supply marking light is a LED light, is used for showing having or not of described wireless remote control transmitter electric power and power with the power of its brightness.
5. LED display wireless remote control debug system according to claim 2 is characterized in that: described wireless sending module adopts the civilian radio band that need not to apply for, frequency range is 400-500MHz.
6. LED display wireless remote control debug system according to claim 1 is characterized in that:
Described wireless remote controlled receiver comprises wireless receiving module, programmable module, kilomega network PHY and gigabit network interface, Serdes chip and LVDS mouth, RS-485 conversion chip and serial ports, the display that is connected;
Described wireless receiving module is used to receive described Debugging message, and described Debugging message is input to described programmable module;
Described programmable module is used for coding, and according to described Debugging message described program is debugged, and tune-up data is sent to kilomega network PHY, Serdes chip, RS-485 conversion chip and the described display that is attached thereto;
Described kilomega network PHY and gigabit network interface, Serdes chip and LVDS mouth, RS-485 conversion chip and serial ports are used to handle described tune-up data, and send described treated tune-up data to the LED screen;
Described display is used to show the tune-up data that receives.
7. LED display wireless remote control debug system according to claim 6 is characterized in that: described wireless remote controlled receiver also is provided with codan lamp and power supply marking light;
Described codan lamp is that LED light is connected with described wireless receiving module, when signal receives, and described codan lamp flicker;
Described power supply marking light is a LED light, is used for showing having or not of described wireless remote controlled receiver electric power and power with the power of its brightness.
8. LED display wireless remote control debug system according to claim 6 is characterized in that: described wireless receiving module adopts the civilian radio band that need not to apply for, frequency range is 400-500MHz.
9. according to each described LED display wireless remote control debug system of claim 1-8, it is characterized in that: described Debugging message comprises debugging control instruction and tuning parameter information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200019993U CN201993902U (en) | 2011-01-04 | 2011-01-04 | Light-emitting diode (LED) display screen wireless remote control debugging system |
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| CN2011200019993U CN201993902U (en) | 2011-01-04 | 2011-01-04 | Light-emitting diode (LED) display screen wireless remote control debugging system |
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| CN201993902U true CN201993902U (en) | 2011-09-28 |
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| CN2011200019993U Expired - Fee Related CN201993902U (en) | 2011-01-04 | 2011-01-04 | Light-emitting diode (LED) display screen wireless remote control debugging system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542961A (en) * | 2011-12-12 | 2012-07-04 | 西安诺瓦电子科技有限公司 | Hand-held wireless LED (light-emitting diode) display screen debugging device and method |
| CN102938240A (en) * | 2012-11-08 | 2013-02-20 | 四川长虹电子系统有限公司 | Method for suppressing impulse current of splicing system |
| CN105118475A (en) * | 2015-09-02 | 2015-12-02 | 西安诺瓦电子科技有限公司 | Brightness or brightness and chroma adjusting method of LED display screen |
| CN105550109A (en) * | 2015-12-11 | 2016-05-04 | 四川长虹电器股份有限公司 | Equipment debugging method and electronic equipment |
| CN107068028A (en) * | 2017-05-31 | 2017-08-18 | 西安诺瓦电子科技有限公司 | Display module and display module detecting system |
| CN113050898A (en) * | 2019-12-28 | 2021-06-29 | 浙江宇视科技有限公司 | Display screen control method, device, equipment, system and medium |
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2011
- 2011-01-04 CN CN2011200019993U patent/CN201993902U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542961A (en) * | 2011-12-12 | 2012-07-04 | 西安诺瓦电子科技有限公司 | Hand-held wireless LED (light-emitting diode) display screen debugging device and method |
| CN102542961B (en) * | 2011-12-12 | 2014-04-09 | 西安诺瓦电子科技有限公司 | Hand-held wireless LED (light-emitting diode) display screen debugging device and method |
| CN102938240A (en) * | 2012-11-08 | 2013-02-20 | 四川长虹电子系统有限公司 | Method for suppressing impulse current of splicing system |
| CN105118475A (en) * | 2015-09-02 | 2015-12-02 | 西安诺瓦电子科技有限公司 | Brightness or brightness and chroma adjusting method of LED display screen |
| CN105550109A (en) * | 2015-12-11 | 2016-05-04 | 四川长虹电器股份有限公司 | Equipment debugging method and electronic equipment |
| CN107068028A (en) * | 2017-05-31 | 2017-08-18 | 西安诺瓦电子科技有限公司 | Display module and display module detecting system |
| CN113050898A (en) * | 2019-12-28 | 2021-06-29 | 浙江宇视科技有限公司 | Display screen control method, device, equipment, system and medium |
| CN113050898B (en) * | 2019-12-28 | 2023-02-21 | 浙江宇视科技有限公司 | Display screen control method, device, equipment, system and medium |
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