CN102737616B - Method and device for automatically identifying positions of units of splicing wall of large screen - Google Patents
Method and device for automatically identifying positions of units of splicing wall of large screen Download PDFInfo
- Publication number
- CN102737616B CN102737616B CN201210217721.9A CN201210217721A CN102737616B CN 102737616 B CN102737616 B CN 102737616B CN 201210217721 A CN201210217721 A CN 201210217721A CN 102737616 B CN102737616 B CN 102737616B
- Authority
- CN
- China
- Prior art keywords
- display unit
- reference cell
- coordinate
- splicing wall
- numbering
- 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.)
- Active
Links
Landscapes
- Controls And Circuits For Display Device (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention provides a method and a device for automatically identifying positions of units of a splicing wall of a large screen. The method comprises the following steps of: selecting a display unit as a reference unit in advance, and setting the internet protocol (IP) address, the length, the width, the height and the identification (ID) number of the reference unit; issuing broadcast commands to other display units in the splicing wall except for the reference unit, and receiving IP address information fed back by the other display units according to the broadcast commands, the information of the distances from the other display units to the reference unit and the information of the angle between each of the other display unit and the reference unit; using the reference unit as a coordinate origin, and establishing a three-dimensional coordinate system by the information which is fed back; and calculating the ID numbers of the display units corresponding to the IP addresses according to distribution of coordinates of the three-dimensional coordinate system, and then issuing the obtained ID numbers to the other display units to be stored. Parameters are not required to be set manually, and the phenomenon that the positions of the units are not matched with the IP addresses is effectively avoided.
Description
Technical field
The present invention relates to Large Screen Display Technology, particularly relate to a kind of large-screen splicing wall cell position automatic identifying method and a kind of large-screen splicing wall cell position automatic identification equipment.
Background technology
Large-screen splicing display system is a large screen display system set up according to difformity, different networking mode, signal cascade by multiple display unit, comprises signal access collection, signal cascade, controls transfer etc. between each display unit.Along with the development of science and technology, the diversity of Distribution Pattern, the application of large-screen splicing wall is not only applied in the system in combination of standard regular shape, also needs in some advertisements, demonstration, TV station etc., use the tiled display of carrying out signal in irregularly shaped or three-dimensional combination.Main all based on the system of plane regular shape in tiled display at present, generally all passing through when there is the tiled displays such as irregular solid to fix in the plane in control mode, then unit being divided in the control carrying out system combination in planimetric coordinates and building.
At present, large-screen splicing wall display is all stored by the Wire Parameters such as each position of display unit and IP address by manually arranging.But, when the position of display unit, address information (IP address) change, as each display unit occurs that abnormal needs is when ensureing that the consistance such as brightness need to exchange display unit in replacing or system, then need reset the parameters such as target position of display unit and carry out manually again building pulpit in top level control system, easily there is the problems such as a lot of position of display unit does not mate with IP address, human configuration parameter error when actual production debugging or field maintemance product like this, cause signal window to splice the phenomenon inconsistent with display and occur.
Summary of the invention
Based on this, be necessary not mate with IP address for above-mentioned position of display unit, the problem of human configuration parameter error, a kind of large-screen splicing wall cell position automatic identifying method and device are provided.
For achieving the above object, the present invention adopts following technical scheme:
A kind of large-screen splicing wall cell position automatic identifying method, comprises the following steps:
Chosen in advance display unit, as reference cell, sets the ID numbering of the IP address of this reference cell, the length, width and height size of unit and reference cell simultaneously;
Issue broadcasting command to each display unit of other in combination except reference cell, and receive IP address information that other each display unit feeds back according to described broadcasting command and other each display unit distance, angle information to reference cell;
With described reference cell for true origin, set up a three-dimensional system of coordinate in conjunction with described feedack;
Calculate the ID numbering of the display unit corresponding to each IP address according to the coordinate distribution of described three-dimensional system of coordinate, then the ID calculated numbering is handed down to other each display unit and stores.
The present invention also provides a kind of large-screen splicing wall cell position automatic identification equipment, comprising:
Initialization module, for chosen in advance display unit as reference cell, sets the ID numbering of the IP address of this reference cell, the length, width and height size of unit and reference cell simultaneously;
Broadcasting command issues and feedback information receiver module, for issuing broadcasting command to each display unit of other in combination except reference cell, and receive IP address information that other each display unit feeds back according to described broadcasting command and other each display unit distance, angle information to reference cell;
Three-dimensional system of coordinate sets up module, for described reference cell for true origin, set up a three-dimensional system of coordinate in conjunction with described feedack;
ID numbering calculates and issues module, for calculating the ID numbering of the display unit corresponding to each IP address according to the coordinate distribution of described three-dimensional system of coordinate, then the ID calculated numbering is handed down to each display unit and stores.
Can be found out by above scheme, large-screen splicing wall cell position automatic identifying method of the present invention and device, do not need human configuration parameter, can coordinate acquisition data and computing unit address automatically when position of display unit or IP address change, effectively prevent because cell position not to mate with IP address thus the signal window caused splices the phenomenon inconsistent with display occurs; And the position that the solution of the present invention can also be applicable to each display unit in irregular combination identifies automatically, has therefore complied with the trend of technology, has had good market application foreground.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of large-screen splicing wall cell position of the present invention automatic identifying method;
Fig. 2 is the table form schematic diagram set up in embodiment;
Fig. 3 is be that reference cell carries out coordinate system model and sets up the three-dimensional splicing wall model schematic obtained with the lower left corner in embodiment;
Fig. 4 is a kind of structural representation of large-screen splicing wall cell position automatic identification equipment.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is further described.
Shown in Figure 1, a kind of large-screen splicing wall cell position automatic identifying method, comprises the following steps:
Step S101, after combination is put up, a first selected display unit is as reference cell.Preferably, the display unit in the most lower left corner (certainly also may be defined as last cell, the upper left corner, the upper right corner etc.) can be selected as reference cell.After selected reference unit, need to set the parameter information such as ID numbering of the IP address of this reference cell, the length, width and height size of unit and reference cell, then enter step S102.It should be noted that: the control between each display unit can carry out cascade by network, or each display unit is directly connected on a switch by netting twine and is connected with control device by this switch.As a good embodiment, direct reference cell therewith carries out communicating and controlling by control device, and other each display unit then carries out the cascade of network control signal by this reference cell.
Step S102, control device issues broadcasting command to each display unit of other in combination except reference cell, and receive IP address information and other each display unit that other each display unit feeds back according to described broadcasting command to the information such as distance, angle of reference cell, then enter step S103.
As a good embodiment, issue broadcasting command in step s 102 to after each display unit of other in combination except reference cell, before receiving feedback information, step S1021 can also be comprised: other each display unit receives above-mentioned broadcasting command, and according to this broadcasting command, the IP address information of this unit and this unit are carried out feeding back (to control device) to the distance of described reference cell, angle information respectively.
In addition, as a good embodiment, set each parameter information of reference cell in step S101 after, before step S102 issues broadcasting command, step S1011 can also be comprised: a wireless senser is installed in the fixed position of each display unit in giant-screen.
Wireless senser can according to the displacement (i.e. distance) between the transmission feedback calculating sensor between electromagnetic wave; Simultaneously base area signal magnetic field effect can also reflect the locus (i.e. angle) of itself and reference point.Therefore, after installing wireless senser, other each display unit of described S1021 receives broadcasting command and the process of feedback information specifically can be described below:
After other each display unit described receives broadcasting command, utilize described wireless senser, calculate the distance between this unit to described reference cell according to the transmission feedback between electromagnetic wave;
Other each display unit described utilizes the wireless senser installed, the angle information of base area this unit of signal magnetic field calculation of effect and reference cell;
This unit calculated is carried out feeding back (to control device) to the distance, angle information etc. of reference cell by other each display unit described, also the IP address information of this unit is carried out feeding back (to control device) simultaneously.
Step S103, with described reference cell for true origin, sets up a three-dimensional system of coordinate in conjunction with described feedack (mainly comprising the information such as distance, angle, IP address of other each display unit to reference cell), then enters step S104.
Step S104, the ID numbering of the display unit corresponding to each IP address is calculated according to the coordinate distribution of described three-dimensional system of coordinate, then the ID calculated numbering is handed down to other each display unit to store, this makes it possible to the automatic identification realizing position of display unit.
As a good embodiment, after described step S102 receives feedback information, before step S103 sets up three-dimensional system of coordinate, can also step S1022 be comprised: arrange according to described feedback information, thus generate a table form.Generating table form is that conveniently user can derive each unit feedack and checks, the user ID revised in table form can also be facilitated to number simultaneously and be handed down to each display unit to carry out cell position manual modification and arrange storage.As shown in Figure 2, the table form of generation can comprise the IP address of each display unit, other each display unit to the information such as distance, angle, ID numbering of reference cell.
As a good embodiment, before issuing after described step S104 calculates ID numbering, by ID numbering, step S1041 can also be comprised: according to described three-dimensional system of coordinate, and with the length of the described reference cell set for each display unit on combination to be modeled as three-dimensional rectangular parallelepiped one by one by standard, thus generate three-dimensional splicing wall model.Shown in Figure 3, be the selected lower left corner of hypothesis for reference cell carries out the three-dimensional splicing wall model that the foundation of coordinate system model obtains.The present invention can set up three-dimensional splicing wall model according to actual conditions in control system, thus can the space distribution situation of display splicing display unit directly perceived.
Corresponding with above-mentioned a kind of large-screen splicing wall cell position automatic identifying method, the present invention also provides a kind of large-screen splicing wall cell position automatic identification equipment, shown in Figure 4, comprising:
Initialization module (101), for chosen in advance display unit as reference cell, sets the ID numbering of the IP address of this reference cell, the length, width and height size of unit and reference cell simultaneously;
Broadcasting command issues and feedback information receiver module (102), for issuing broadcasting command to each display unit of other in combination except reference cell, and receive IP address information that other each display unit feeds back according to described broadcasting command and other each display unit distance, angle information to reference cell;
Three-dimensional system of coordinate sets up module (103), for described reference cell for true origin, set up a three-dimensional system of coordinate in conjunction with described feedack;
ID numbering calculates and issues module (104), for calculating the ID numbering of the display unit corresponding to each IP address according to the coordinate distribution of described three-dimensional system of coordinate, then the ID calculated numbering is handed down to each display unit and stores.
As a good embodiment, position of the present invention automatic identification equipment can also comprise form generation module, for issue at described broadcasting command receive feedback information with feedback information receiver module after, described three-dimensional system of coordinate sets up before module sets up three-dimensional system of coordinate, generates a table form according to described feedback information.Can derive each unit feedack after generating table form to check, the ID that can also revise in table form numbers and is handed down to each display unit and carries out cell position manual modification and arrange storage simultaneously, thus provides users with the convenient.
As a good embodiment, position of the present invention automatic identification equipment can also comprise three-dimensional splicing wall model building module, for according to described three-dimensional system of coordinate, and with the length of the described reference cell set for each display unit is modeled as three-dimensional rectangular parallelepiped by standard, thus generate three-dimensional splicing wall model.By the three-dimensional splicing wall model set up according to actual conditions, can the space distribution situation of display splicing display unit directly perceived.
Other technical characteristic of a kind of large-screen splicing wall cell position automatic identification equipment of the present invention is identical with above-mentioned a kind of large-screen splicing wall cell position automatic identifying method, does not repeat them here.
Can be found out by above scheme, large-screen splicing wall cell position automatic identifying method of the present invention and device, do not need human configuration parameter, can coordinate acquisition data and computing unit address automatically when position of display unit or IP address change, effectively prevent because cell position not to mate with IP address thus the signal window caused splices the phenomenon inconsistent with display occurs; And the position that the solution of the present invention can also be applicable to each display unit in irregular combination identifies automatically, has therefore complied with the trend of technology, has had good market application foreground.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a large-screen splicing wall cell position automatic identifying method, is characterized in that, comprises the following steps:
Chosen in advance display unit, as reference cell, sets the ID numbering of the IP address of this reference cell, the length, width and height size of unit and reference cell simultaneously;
Issue broadcasting command to each display unit of other in combination except reference cell, and receive IP address information that other each display unit feeds back according to described broadcasting command and other each display unit distance, angle information to reference cell;
With described reference cell for true origin, set up a three-dimensional system of coordinate in conjunction with feedack;
Calculate the ID numbering of the display unit corresponding to each IP address according to the coordinate distribution of described three-dimensional system of coordinate, then the ID calculated numbering is handed down to other each display unit and stores.
2. large-screen splicing wall cell position automatic identifying method according to claim 1, it is characterized in that, issue broadcasting command to combination in after other each display unit except reference cell, before receiving feedback information, also comprise step: other each display unit receives described broadcasting command, and according to this broadcasting command, the IP address information of this unit and this unit are fed back respectively to the distance of described reference cell, angle information.
3. large-screen splicing wall cell position automatic identifying method according to claim 2, it is characterized in that, after the parameter information setting reference cell, issue broadcasting command before, also comprise step: a wireless senser is installed in the fixed position of each display unit in giant-screen.
4. large-screen splicing wall cell position automatic identifying method according to claim 3, is characterized in that, other each display unit described receives broadcasting command and the process of feedback information specifically comprises:
After other each display unit described receives broadcasting command, utilize described wireless senser, calculate the distance between this unit to described reference cell according to the transmission feedback between electromagnetic wave;
Other each display unit described utilizes the wireless senser installed, the angle information of base area this unit of signal magnetic field calculation of effect and reference cell;
This unit calculated feeds back to the distance of reference cell, angle information by other each display unit described, also the IP address information of this unit is fed back simultaneously.
5. large-screen splicing wall cell position automatic identifying method according to claim 1, is characterized in that, after receiving feedback information, set up three-dimensional system of coordinate before, also comprise step: generate a table form according to described feedback information.
6. large-screen splicing wall cell position automatic identifying method according to claim 1, it is characterized in that, before issuing after calculating ID numbering, by ID numbering, also comprise step: according to described three-dimensional system of coordinate, and with the length of the described reference cell set for each display unit is modeled as three-dimensional rectangular parallelepiped by standard, thus generate three-dimensional splicing wall model.
7. a large-screen splicing wall cell position automatic identification equipment, is characterized in that, comprising:
Initialization module, for chosen in advance display unit as reference cell, sets the ID numbering of the IP address of this reference cell, the length, width and height size of unit and reference cell simultaneously;
Broadcasting command issues and feedback information receiver module, for issuing broadcasting command to each display unit of other in combination except reference cell, and receive IP address information that other each display unit feeds back according to described broadcasting command and other each display unit distance, angle information to reference cell;
Three-dimensional system of coordinate sets up module, for described reference cell for true origin, set up a three-dimensional system of coordinate in conjunction with feedack;
ID numbering calculates and issues module, for calculating the ID numbering of the display unit corresponding to each IP address according to the coordinate distribution of described three-dimensional system of coordinate, then the ID calculated numbering is handed down to each display unit and stores.
8. large-screen splicing wall cell position automatic identification equipment according to claim 7, it is characterized in that, also comprise form generation module, for issue at described broadcasting command with feedback information receiver module receiving feedback information after, described three-dimensional system of coordinate sets up before module sets up three-dimensional system of coordinate, generates a table form according to described feedback information.
9. large-screen splicing wall cell position automatic identification equipment according to claim 7, it is characterized in that, also comprise three-dimensional splicing wall model building module, for according to described three-dimensional system of coordinate, and with the length of the described reference cell set for each display unit is modeled as three-dimensional rectangular parallelepiped by standard, thus generate three-dimensional splicing wall model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210217721.9A CN102737616B (en) | 2012-06-28 | 2012-06-28 | Method and device for automatically identifying positions of units of splicing wall of large screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210217721.9A CN102737616B (en) | 2012-06-28 | 2012-06-28 | Method and device for automatically identifying positions of units of splicing wall of large screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102737616A CN102737616A (en) | 2012-10-17 |
| CN102737616B true CN102737616B (en) | 2015-07-08 |
Family
ID=46992994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210217721.9A Active CN102737616B (en) | 2012-06-28 | 2012-06-28 | Method and device for automatically identifying positions of units of splicing wall of large screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102737616B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922426A (en) * | 2018-07-13 | 2018-11-30 | 深圳市东微智能科技股份有限公司 | Mosaic screen combined method and mosaic screen combined system |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104102463B (en) * | 2013-04-01 | 2018-03-20 | 三星电子（中国）研发中心 | A kind of electronic display screen and method for realizing screen automatic Mosaic |
| CN104239242B (en) * | 2013-06-24 | 2018-07-31 | 深圳市中恒正科技有限公司 | Combination address code setting method and system |
| CN103412734B (en) * | 2013-08-19 | 2016-03-30 | 四川长虹电子系统有限公司 | A kind of method of Lookup protocol concatenation unit address |
| CN103716418B (en) * | 2013-12-20 | 2017-10-10 | 广东威创视讯科技股份有限公司 | The collocation method and device of joined screen system display unit address information |
| CN103701643B (en) * | 2013-12-23 | 2017-06-13 | 广东威创视讯科技股份有限公司 | Obtain method, device and the spelling wall system for spelling wall system configuration |
| CN103678221B (en) * | 2013-12-27 | 2017-03-29 | 广东威创视讯科技股份有限公司 | Obtain the method and mobile device of combination operation information |
| CN104317543B (en) * | 2014-10-23 | 2017-08-01 | 广东威创视讯科技股份有限公司 | The position judging method and system of joined screen display unit |
| CN104317544B (en) * | 2014-10-23 | 2018-01-23 | 广东威创视讯科技股份有限公司 | The location recognition method and system of joined screen display unit |
| CN104270626B (en) * | 2014-10-29 | 2016-03-16 | 宁波维真显示科技有限公司 | A kind of bore hole 3D combination joining method |
| JP6883579B2 (en) | 2015-08-11 | 2021-06-09 | ウーシー バイオロジクス（ケイマン）インコーポレイテッド | New anti-PD-1 antibody |
| CN105204810B (en) * | 2015-10-22 | 2019-01-15 | 浙江宇视科技有限公司 | The ID automatic setting method and device of liquid crystal-spliced screen |
| CN105336289A (en) * | 2015-10-30 | 2016-02-17 | 京东方科技集团股份有限公司 | Splicing control method, splicing control device and spliced screen system |
| CN105354004A (en) * | 2015-12-10 | 2016-02-24 | 四川长虹电子系统有限公司 | Method for setting address of concatenation units |
| CN106598527B (en) * | 2016-12-22 | 2019-09-13 | 上海寰视网络科技有限公司 | The method and apparatus of position of display unit in identification display equipment |
| CN106843566A (en) * | 2016-12-28 | 2017-06-13 | 贺州思通信息技术有限公司 | For the method for screen shaping |
| CN106843565A (en) * | 2016-12-28 | 2017-06-13 | 贺州思通信息技术有限公司 | The manufacture method of Touch Screen |
| CN109324773A (en) * | 2017-08-01 | 2019-02-12 | 深圳光峰科技股份有限公司 | Screen method for automatically split-jointing and screen automatic mosaic system |
| CN108062951B (en) * | 2017-12-27 | 2020-10-23 | 威创集团股份有限公司 | Intelligent splicing wall system |
| CN109189355B (en) * | 2018-08-23 | 2020-06-02 | 京东方科技集团股份有限公司 | Position adjusting method of splicing display unit and auxiliary installation device thereof |
| CN113645711B (en) * | 2020-04-27 | 2023-02-03 | 深圳蓝普科技有限公司 | Communication system of display screen, communication method thereof and box body |
| CN114527947A (en) | 2020-10-30 | 2022-05-24 | 华为技术有限公司 | Spliced screen positioning method, device and system and electronic equipment |
| CN112967644A (en) * | 2020-11-13 | 2021-06-15 | 重庆康佳光电技术研究院有限公司 | Correction method and device for tiled display device, storage medium and electronic device |
| CN114338612B (en) * | 2021-12-22 | 2023-03-24 | 威创集团股份有限公司 | Dynamic distribution method, system, equipment and storage medium of multicast address |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775968Y (en) * | 2004-12-24 | 2006-04-26 | 北京中星微电子有限公司 | Multiple screen display device |
| CN102065152A (en) * | 2010-11-05 | 2011-05-18 | 广东威创视讯科技股份有限公司 | Joined screen system and communication device thereof |
| CN102184725A (en) * | 2011-05-09 | 2011-09-14 | 苏州佳世达电通有限公司 | Assembled display device, information display system and information display method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10333631A (en) * | 1997-06-02 | 1998-12-18 | Daichiyuu Denshi:Kk | Expanded display device, and display system using expanded display device |
| CN101149673B (en) * | 2006-09-18 | 2010-08-25 | 联想(北京)有限公司 | Multiple-display system and method for automatically identifying and adjusting relative position of multiple displays |
| JP5641795B2 (en) * | 2010-07-05 | 2014-12-17 | 三菱電機株式会社 | Large video display device |
| CN102411880B (en) * | 2011-12-26 | 2013-10-16 | 深圳市奥拓电子股份有限公司 | System and method for configuring load of LED display screen |
-
2012
- 2012-06-28 CN CN201210217721.9A patent/CN102737616B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775968Y (en) * | 2004-12-24 | 2006-04-26 | 北京中星微电子有限公司 | Multiple screen display device |
| CN102065152A (en) * | 2010-11-05 | 2011-05-18 | 广东威创视讯科技股份有限公司 | Joined screen system and communication device thereof |
| CN102184725A (en) * | 2011-05-09 | 2011-09-14 | 苏州佳世达电通有限公司 | Assembled display device, information display system and information display method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922426A (en) * | 2018-07-13 | 2018-11-30 | 深圳市东微智能科技股份有限公司 | Mosaic screen combined method and mosaic screen combined system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102737616A (en) | 2012-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102737616B (en) | Method and device for automatically identifying positions of units of splicing wall of large screen | |
| CN103472779B (en) | The method of Smart Home building control system and access air-conditioning system thereof | |
| CN103728906B (en) | Intelligent home control device and method | |
| CN103388888A (en) | Wireless integrated controller and central air conditioner remote control method and system | |
| CN103398450A (en) | System and method for supporting multi-mobile-terminal remotely-controlled central air conditioner | |
| CN105135599A (en) | Air conditioner firmware upgrading device and method | |
| CN105204798A (en) | Windowing method and device for spliced wall | |
| CN202364261U (en) | Remotely-operated server cabinet control device | |
| CN102291553B (en) | Interactive multi-channel projection geometric correction method based on intelligent mobile terminal | |
| CN102945591A (en) | Method for realizing wireless control of set top box peripheral by wifi | |
| CN205174699U (en) | Central air conditioner centralized control device and central air conditioner micro-cloud network system | |
| CN202677802U (en) | Remote control system of big screen display apparatus | |
| CN103679381A (en) | Collaborative plotting method and system for situation map | |
| CN203366087U (en) | Automated control and monitoring system for digital cinema equipment | |
| CN102637408A (en) | Remote monitoring method of LED (light-emitting diode) media screen | |
| CN203413775U (en) | Centralized controller and centralized control system of multi-union central air conditioner | |
| CN209980087U (en) | Integrated intelligent household control system | |
| CN204013573U (en) | A kind of equipment fault rapid rush-repair device | |
| CN104075413A (en) | Remote controller of air conditioner and application method thereof | |
| CN204856479U (en) | Electric power source distribution device management system | |
| CN107809650A (en) | The electricity saving method of set top box and remote control | |
| CN210804376U (en) | Novel control framework of all-in-one LED display screen | |
| CN203026103U (en) | Information issuing system and LED display module | |
| CN205791797U (en) | A kind of power scheduling alarm device | |
| CN204331550U (en) | A kind of communication facilities of support information inquiry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510670 Guangdong city of Guangzhou province Kezhu Guangzhou high tech Industrial Development Zone, Road No. 233 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510663 Guangzhou province high tech Industrial Development Zone, Guangdong, Cai road, No. 6, No. Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |