CN101231805A - LED vision screen network coupling control playing platform - Google Patents
LED vision screen network coupling control playing platform Download PDFInfo
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- CN101231805A CN101231805A CNA2007100367542A CN200710036754A CN101231805A CN 101231805 A CN101231805 A CN 101231805A CN A2007100367542 A CNA2007100367542 A CN A2007100367542A CN 200710036754 A CN200710036754 A CN 200710036754A CN 101231805 A CN101231805 A CN 101231805A
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Abstract
The invention provides an LED video display network joint control show platform, which consists of an LED display screen, a joint control show player, a power supply controller and a case. An embedded type processor, an image and sound processing module, a network communication module, a memory and a temporary memory are arranged in the joint control show player. The embedded type processor is connected with the image and sound processing module, the network communication module, the memory and the temporary memory through data lines. An embedded operating system is arranged in the memory. The network power supply controller is connected with the joint control show player through an electric power conductor and a data conductor. An embedded system is arranged in the joint control show player, which can achieve all of the functions of a computer, such as graphic display, calculation and so on. In addition, an independent space is not required to be established near a screen for placement of the embedded system. The show can be maintained and managed through a network with low cost for establishment of the invention. The invention can be adapted to extreme outdoor environment.
Description
Technical field:
The present invention relates to physical field, the information of the relating in particular to technology that displays the play, particularly light emitting diode (LED) display screen back-up system, concrete is a kind of LED vision screen network coupling control playing platform.
Background technology:
In the prior art, conventional light emitting diode (LED) display screen, promptly LED display is widely used in the issue of indoor and outdoor public information.The control of performing in a radio or TV programme of LED display is connected with computing machine by LED display and realizes.Computing machine can adopt common computer or single-chip microcomputer or embedded device.When adopting common computer to perform in a radio or TV programme control, common computer is separated setting with LED display, in 100 meters distances, utilizes the signal conveys between netting twine realization coupling control playing device and the LED display; When adopting single-chip microcomputer or embedded device to perform in a radio or TV programme control, single-chip microcomputer or embedded device directly are connected with LED display with the coupling control playing device.But, when adopting common computer to perform in a radio or TV programme control, need near screen, open up independently space arrangement common computer, and need safeguard program by hand, for high-altitude or expensive location, set up the cost height, in addition, common computer is subject to quality, hardware, software, system, operability and other safety factor, and function and stability often can not satisfy the demands, especially under more extreme outdoor environment, its deployment, maintenance cost and human input are just more high; When adopting single-chip microcomputer or embedded device to perform in a radio or TV programme control, though stability ensures to some extent, but hardware capability, especially graphic presentation and computing function but are very restricted, generally can only realize more simple function, also just can only solve more unilateral problem and demand, the new demand of user is difficult to fast adaptation and improvement.
Summary of the invention:
The object of the present invention is to provide a kind of LED vision screen network coupling control playing platform, described this LED vision screen network coupling control playing platform will solve all unfavorable technical matters of the effect of performing in a radio or TV programme control that available technology adopting common computer or single-chip microcomputer or embedded device are carried out LED display.
This LED vision screen network coupling control playing platform of the present invention is by LED display, the coupling control playing device, power supply and cabinet constitute, described LED display is fixedly installed in the case, described coupling control playing device and power supply all are arranged in the described cabinet, described power supply is a network electric power, described network electric power is connected with timer module, wherein, described cabinet is arranged in the described case, be provided with plug-in type aluminium alloy grillage in the cabinet, described coupling control playing device is connected with plug-in type aluminium alloy grillage respectively with power supply, the place, slit of cabinet is provided with glue mouth seal, perhaps be filled with the sealed cast body in the cabinet, be provided with flush bonding processor in the described coupling control playing device, image and acoustic processing module, the network communication module, storer and temporary storage, described flush bonding processor is by data connecting line and image and acoustic processing module, the network communication module, storer is connected with temporary storage, be provided with operating system in the described storer, described network electric power is connected with the coupling control playing device with data conductor by electric power conductor.
Further, described storer adopts the flash card of CF type.
Further, be provided with Do (SuSE) Linux OS and application program in the described storer.
Further, described temporary storage adopts the storer of USB (universal serial bus).
Further, described Do (SuSE) Linux OS is arranged on read-only mode.
Further, be provided with USB (universal serial bus) in the described coupling control playing device, described temporary storage is connected with the coupling control playing device by USB (universal serial bus).
Further, be provided with the wireless network communication module in the described network communication module.
Further, described cabinet is made of aluminum alloy materials.
Further, be provided with the serial communication module in the described coupling control playing device, described serial communication module is connected with flush bonding processor by data line.
Further, described application program adopts Net MSO program.
Principle of work of the present invention is: the present invention places the Do (SuSE) Linux OS on the CF storer of read-only mode; Adopt the USB memory disc parameter and program to be performed in a radio or TV programme buffer memory as temporary storage; Flush bonding processor, image and acoustic processing module, network communication module, storer and temporary storage and coupling control playing device are integrated, and power supply adopts network electric power and secondary timing device module thereof; Directly take over after the system bootstrap by Net MSO program of the prior art, Net MSO program realizes start and stop, communication, transmission, dump, time service, reads, performs in a radio or TV programme, interactive, all actions such as meet an urgent need, preset, and be implemented to the time precision control of Millisecond; Adopt wireless communication module in the network communication module, can realize that by wireless communication module the relaying joint control of 1 pair of N formula is synchronous.Concrete, network communication interface also can be selected or mix realizations such as using ADSL Modem, special line cable, LAN, electric wire network interface card, GPGS/CDMA wireless connections and be connected with the external service control system, adopt the diffusing preface grouping of service end roll-call technology in the Net MSO program, support VNC Long-distance Control in limited time, adopt time dimension DES algorithm to carry out communication encryption, further, in the coupling control playing device, can add GPS synchronous clock module.Cabinet adopts aluminum alloy materials, can dispel the heat from body.Box house supports and adopts shockproof aluminium alloy mainboard carriage, the maximum amplitude of oscillation 28 degree of this carriage, and fully absorbing vibration and bump are adequately protected circuit board.Cabinet generally adopts technical grade Jiao Kou sealing, can the grade cavity cast sealing of the army of employing under the extreme case.Cabinet can hang, stands up or lie against in the case of LED display.
Further, Do (SuSE) Linux OS (Disk Only read Linux) be reduce based on Debian, DSL and Knoppix Linux in the prior art and optimize after a kind of miniature Linux that performs in a radio or TV programme preparation that aims at, in this operating system, preset a large amount of for performing in a radio or TV programme the application scenarios (shell script) that work is prepared, can finish work such as detection, servo, warning, pre-service exactly, can combine work with Net MSO program external member.Do Linux is stored on a slice CF card, through repeatedly optimizing, can realize weekly operation 7 day 24 hours every day.Because the Do (SuSE) Linux OS is a read apparatus, therefore can take precautions against sudden power and voltage fluctuation fully to the adverse consequences that system causes, need not to increase extra cost of device and space requirements such as UPS.And the exchange of program and systematic parameter realizes as buffer memory by the high speed USB memory disc, can effectively avoid the shock resistance, magnetic recording life-span, mechanical fault and the powerup issue that use common hard disk to produce.In the occasion that does not need network or because irresistible reason causes under the disconnected full situation of network, can continue the daily work of performing in a radio or TV programme by the mode of changing USB flash disk.
More specifically, Net MSO program is made up of the multibank capability code, and described code comprises linuxn client program and remote server end program.
Wherein, the linuxn client program is used to annotate configuration file, carry out planned dispatching, and the decision when adopt which kind of pattern to perform in a radio or TV programme MSO micro-kernel program.
Be used to make supporting movement to cut off enemy communication support, precise synchronization resolution and planned time management device of performing in a radio or TV programme.
Be used to manage the up-downgoing real-time communication, reply, accept and transmit various files and signal, add, decipher, and the network servicer submitted to the MSO micro-kernel of selection, classification, classification ground.
Be used for the leader and perform in a radio or TV programme action, produce PD program director's device of carrying out action lists.
Be used to classify perform in a radio or TV programme form perform in a radio or TV programme subroutine (all kinds of sound videos, quiet dynamic image, countdown, WEB demonstrate automatically, PowerPoint shows etc.), they are made up of different titles of multistage and character program, can directly in director's device file, dispose with modular manner, follow unified parameter interface, can arbitrarily expand, upgrade or rename, general designation classification studio equipments in Net MSO.
Be used for management, supervision, caution and control system unusual condition, and tackle the house dog program of corresponding protection action.
Be used for the control power module, and communicate by letter, realize the internal mold signal generator of performing in a radio or TV programme especially with the coupling control playing device.
Be used for LED screen construction back with the debugging of some position, the assistant adjustment device that detects, proofread and correct.
Be used to monitor and respond the telepilot program of keypad and infrared ray input.
Remote server end program is configurable, divide into groups, debug, monitor each client, carries out program and performs in a radio or TV programme the editor of plan, puts distribution, displacement in advance.(support to fix time accurately, to decide scope, determined number formula TV are desk-top perform in a radio or TV programme or conventional list type indifference is performed in a radio or TV programme).Realize program request and intercut.Realize long-range start and stop, roll-call, diffraction control or the service of direct connection VNC Long-distance Control.Can take over or temporarily take over accurate time service and perform in a radio or TV programme (synchronously or interactive), and support accurate global synchronous, interactive, asynchronous, relay-type to perform in a radio or TV programme.Also have instant order communication, time server function, remote alarms function.Also have real time flow medium and planned Streaming Media support.Can realize multi-screen grouping precise synchronization, accurately form is performed in a radio or TV programme in interaction and accurate relay etc.
The synchronous mode of described multi-screen grouping is to make all or some the LED screens (manual grouping) on the same area or the same street play same program simultaneously.Under condition, also can make the screen of many cities multizone play same program simultaneously by changing grouping with interconnectivity network support.The interactive model of multi-screen grouping, contiguous a plurality of screens are produced with the differential effect of performing in a radio or TV programme in border, be to perform in a radio or TV programme seemingly at same giant-screen, for example, can an apple be thrown away screen B from screen A, apple throws back screen A after being gnawed a bite again among the screen B, thereby produces amazing effect.The relay pattern of multi-screen grouping, it is continuous that a plurality of screens are produced, just like the effect as the dominoes, the screen of all on a street for example, a people is performed in a radio or TV programme in relay, and (screen A) goes to some change of background in the New York of going further to, Paris (screen B) (screen C) from Beijing, and this people always only occurs in a screen, and such space-time effect will make us producing extremely deep impression.
It is 1/2 second level that above uniqueness is performed in a radio or TV programme the general time precision of pattern, as cooperating the gps clock module, can accurately reach surprising 1/1000 second level synchronously, interaction and relay.Through combination, then can satisfy the various very strange demands of performing in a radio or TV programme.
The present invention and prior art compare, and its effect is actively with tangible.The present invention is provided with embedded system in the coupling control playing device of LED display, can realize the repertoire of graphic presentation and calculating in the common computer, simultaneously, need not near screen, to open up independently space arrangement, can pass through the network operation program, it is low to set up cost, can adapt to extreme outdoor environment.
Description of drawings
Fig. 1 is the principle schematic of LED vision screen network coupling control playing platform of the present invention.
Fig. 2 is the divide into groups synoptic diagram of embodiment of joint control of one of LED vision screen network coupling control playing platform of the present invention utilization Net MSO program.
Fig. 3 is the special synoptic diagram of performing in a radio or TV programme pattern of the NetMSO program among the embodiment of LED vision screen network coupling control playing platform of the present invention.
Embodiment
As shown in Figure 1, LED vision screen network coupling control playing platform of the present invention is by LED display 1, coupling control playing device 2, power supply 3 and cabinet constitute, described LED display 1 is fixedly installed in the case, described coupling control playing device 2 and power supply 3 all are arranged in the described cabinet, described power supply 3 is network electric powers, described network electric power is connected with timer module, wherein, described cabinet is arranged in the described case, be provided with plug-in type aluminium alloy grillage in the cabinet, described coupling control playing device 2 is connected with plug-in type aluminium alloy grillage respectively with power supply 3, the place, slit of cabinet is provided with glue mouth seal, perhaps be filled with the sealed cast body in the cabinet, be provided with flush bonding processor 4 in the described coupling control playing device 2, image and acoustic processing module, network communication module 5, storer 6 and temporary storage 7, described flush bonding processor 4 is by data connecting line and image and acoustic processing module, network communication module 5, storer 6 is connected with temporary storage 7, be provided with operating system in the described storer 6, described network electric power is connected with coupling control playing device 2 with data conductor by electric power conductor.
Further, described storer 6 adopts the flash card of CF type.
Further, be provided with Do (SuSE) Linux OS and application program in the described storer 6.
Further, described temporary storage 7 adopts the storer 6 of USB (universal serial bus).
Further, described Do (SuSE) Linux OS is arranged on read-only mode.
Further, be provided with USB (universal serial bus) in the described coupling control playing device 2, described temporary storage 7 is connected with coupling control playing device 2 by USB (universal serial bus).
Further, be provided with wireless network communication module 8 in the described network communication module 5.
Further, described cabinet is made of aluminum alloy materials.
Further, be provided with the serial communication module in the described coupling control playing device 2, described serial communication module is connected with flush bonding processor 4 by data line.
Further, described application program adopts Net MSO program.
As shown in Figures 2 and 3, principle of work of the present invention is: the present invention places the Do (SuSE) Linux OS on the CF storer 6 of read-only mode; Adopt the USB memory disc to perform in a radio or TV programme buffer memory as 7 pairs of parameters of temporary storage and program; Flush bonding processor 4, image and acoustic processing module, network communication module 5, storer 6 and temporary storage 7 are integrated with coupling control playing device 2, and power supply 3 adopts network electric power and secondary timing device module thereof; Directly take over after the system bootstrap by NetMSO program of the prior art, Net MSO program realizes start and stop, communication, transmission, dump, time service, reads, performs in a radio or TV programme, interactive, all actions such as meet an urgent need, preset, and be implemented to the time precision control of Millisecond; Adopt wireless communication module in the network communication module 5, can realize that by wireless communication module the relaying joint control of 1 pair of N formula is synchronous.Concrete, network communication interface can be selected or mix realizations such as using ADSL Modem, special line cable, LAN, electric wire network interface card, GPGS/CDMA wireless connections and be connected with external control system, adopt the diffusing preface grouping of service end roll-call technology in the Net MSO program, support VNC Long-distance Control in limited time, adopt time dimension DES algorithm to carry out communication encryption, further, in coupling control playing device 2, can add GPS synchronous clock module.Cabinet adopts aluminum alloy materials, can dispel the heat from body.Box house supports the two S shape aluminium alloy mainboard carriages that adopt plug-in and take-out type, the maximum amplitude of oscillation 28 degree of the mortar axle of the both sides of the edge of two S shape aluminium alloy mainboard carriages, and fully absorbing vibration and bump are adequately protected circuit board.Cabinet generally adopts technical grade Jiao Kou sealing, and extreme case adopts army's grade cavity cast sealing down.Cabinet hangs, stands up or lie against in the case of LED display 1.
Further, Do (SuSE) Linux OS (Disk Only read Linux) be reduce based on Debian, DSL and Knoppix Linux in the prior art and optimize after a kind of miniature Linux that performs in a radio or TV programme preparation that aims at, in this operating system, preset a large amount of for performing in a radio or TV programme the application scenarios (shell script) that work is prepared, can finish work such as detection, servo, warning, pre-service exactly, can combine work with Net MSO program external member.Do Linux is stored on a slice CF card, through repeatedly optimizing, can realize weekly operation 7 day 24 hours every day.Because the Do (SuSE) Linux OS is a read apparatus, therefore can take precautions against sudden power and voltage fluctuation fully to the adverse consequences that system causes, need not to increase extra cost of device and space requirements such as UPS.And the exchange of program and systematic parameter realizes as buffer memory by the high speed USB memory disc, can effectively avoid the shock resistance, magnetic recording life-span, mechanical fault and the powerup issue that use common hard disk to produce.In the occasion that does not need network or because irresistible reason causes under the disconnected full situation of network, can continue the daily work of performing in a radio or TV programme by the mode of changing USB flash disk.
More specifically, Net MSO program is made up of the multibank capability code, and described code comprises linuxn client program and remote server end program.
Wherein, the linuxn client program is used to annotate configuration file, carry out planned dispatching, and the decision when adopt which kind of pattern to perform in a radio or TV programme MSO micro-kernel program.
Be used to make supporting movement to cut off enemy communication support, precise synchronization resolution and planned time management device of performing in a radio or TV programme.
Be used to manage the up-downgoing real-time communication, reply, accept and transmit various files and signal, add, decipher, and the network servicer submitted to the MSO micro-kernel of selection, classification, classification ground.
Be used for the leader and perform in a radio or TV programme action, produce PD program director's device of carrying out action lists.
Be used to classify perform in a radio or TV programme form perform in a radio or TV programme subroutine (all kinds of sound videos, quiet dynamic image, countdown, WEB demonstrate automatically, PowerPoint shows etc.), they are made up of different titles of multistage and character program, can directly in director's device file, dispose with modular manner, follow unified parameter interface, can arbitrarily expand, upgrade or rename, general designation classification studio equipments in Net MSO.
Be used for management, supervision, caution and control system unusual condition, and tackle the house dog program of corresponding protection action.
Be used for control power supply 3 modules, and communicate by letter, realize the internal mold signal generator of performing in a radio or TV programme especially with coupling control playing device 2.
Be used for LED screen construction back with the debugging of some position, the assistant adjustment device that detects, proofread and correct.
Be used to monitor and respond the telepilot program of keypad and infrared ray input.
Remote server end program is configurable, divide into groups, debug, monitor each client, carries out program and performs in a radio or TV programme the editor of plan, puts distribution, displacement in advance.(support to fix time accurately, to decide scope, determined number formula TV are desk-top perform in a radio or TV programme or conventional list type indifference is performed in a radio or TV programme).Realize program request and intercut.Realize long-range start and stop, roll-call, diffraction control or the service of direct connection VNC Long-distance Control.Can take over or temporarily take over accurate time service and perform in a radio or TV programme (synchronously or interactive), and support accurate global synchronous, interactive, asynchronous, relay-type to perform in a radio or TV programme.Also have instant order communication, time server function, remote alarms function.Also have real time flow medium and planned Streaming Media support.Can realize multi-screen grouping precise synchronization, accurately form is performed in a radio or TV programme in interaction and accurate relay etc.
The synchronous mode of described multi-screen grouping is to make all or some the LED screens (manual grouping) on the same area or the same street play same program simultaneously.Under condition, also can make the screen of many cities multizone play same program simultaneously by changing grouping with interconnectivity network support.The interactive model of multi-screen grouping, contiguous a plurality of screens are produced with the differential effect of performing in a radio or TV programme in border, be to perform in a radio or TV programme seemingly at same giant-screen, for example, can an apple be thrown away screen B from screen A, apple throws back screen A after being gnawed a bite again among the screen B, thereby produces amazing effect.The relay pattern of multi-screen grouping, it is continuous that a plurality of screens are produced, just like the effect as the dominoes, the screen of all on a street for example, a people is performed in a radio or TV programme in relay, and (screen A) goes to some change of background in the New York of going further to, Paris (screen B) (screen C) from Beijing, and this people always only occurs in a screen, and such space-time effect will make us producing extremely deep impression.
It is 1/2 second level that above uniqueness is performed in a radio or TV programme the general time precision of pattern, as cooperating the gps clock module, can accurately reach surprising 1/1000 second level synchronously, interaction and relay.Through combination, then can satisfy the various very strange demands of performing in a radio or TV programme.
Claims (10)
1. LED vision screen network coupling control playing platform, by LED display, the coupling control playing device, power-supply controller of electric and cabinet constitute, described LED display is fixedly installed in the case, described coupling control playing device and power supply all are arranged in the described cabinet, described power-supply controller of electric is the network electric power controller, described network electric power is connected with timer module, it is characterized in that: described cabinet is arranged in the described case, be provided with Shockproof type aluminium alloy grillage in the cabinet, described coupling control playing device is connected with the aluminium alloy grillage respectively with power supply, the place, slit of cabinet is provided with glue mouth seal, perhaps be filled with the sealed cast body in the cabinet, be provided with flush bonding processor in the described coupling control playing device, image and acoustic processing module, the network communication module, storer and temporary storage, described flush bonding processor is by data connecting line and image and acoustic processing module, the network communication module, storer is connected with temporary storage, be provided with embedded OS in the described storer, described network electric power controller is connected with the coupling control playing device with data conductor by electric power conductor.
2. LED vision screen network coupling control playing platform as claimed in claim 1 is characterized in that: described storer adopts the flash card of CF type.
3. LED vision screen network coupling control playing platform as claimed in claim 1 is characterized in that: be provided with embedded OS and application program in the described storer.
4. LED vision screen network coupling control playing platform as claimed in claim 1 is characterized in that: described temporary storage adopts the storer of USB (universal serial bus).
5. LED vision screen network coupling control playing platform as claimed in claim 3 is characterized in that: described embedded OS is arranged on read-only mode.
6. LED vision screen network coupling control playing platform as claimed in claim 1 is characterized in that: be provided with USB (universal serial bus) in the described coupling control playing device, described temporary storage is connected with the coupling control playing device by USB (universal serial bus).
7. LED vision screen network coupling control playing platform as claimed in claim 1 is characterized in that: be provided with the wireless network communication module in the described network communication module.
8. LED vision screen network coupling control playing platform as claimed in claim 1 is characterized in that: described cabinet is made of aluminum alloy materials.
9. LED vision screen network coupling control playing platform as claimed in claim 1 is characterized in that: be provided with the serial communication module in the described coupling control playing device, described serial communication module is connected with flush bonding processor by data line.
10. LED vision screen network coupling control playing platform as claimed in claim 3 is characterized in that: described application program adopts Net MSO program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100367542A CN101231805A (en) | 2007-01-23 | 2007-01-23 | LED vision screen network coupling control playing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100367542A CN101231805A (en) | 2007-01-23 | 2007-01-23 | LED vision screen network coupling control playing platform |
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| CN101231805A true CN101231805A (en) | 2008-07-30 |
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| CNA2007100367542A Pending CN101231805A (en) | 2007-01-23 | 2007-01-23 | LED vision screen network coupling control playing platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186275A (en) * | 2011-02-01 | 2011-09-14 | 韦自力 | Method and system for remotely and real-time playing and synchronously controlling light emitting diode (LED) lamp light |
| CN101551959B (en) * | 2009-05-06 | 2012-05-30 | 大道计算机技术(上海)有限公司 | Realization method of digital notification board for dispatching |
| CN106790407A (en) * | 2016-11-29 | 2017-05-31 | 江苏省邮电规划设计院有限责任公司 | A kind of system based on the treatment of DLP large-size screen monitors heterogeneous transaction and information communication |
| CN108010443A (en) * | 2017-12-20 | 2018-05-08 | 浙江海洋大学 | A kind of studio is returned with wireless signal sees receiving screen |
| CN116567164A (en) * | 2023-07-12 | 2023-08-08 | 北京森泰英睿传媒科技有限公司 | Centralized management system and method for multimedia equipment |
-
2007
- 2007-01-23 CN CNA2007100367542A patent/CN101231805A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551959B (en) * | 2009-05-06 | 2012-05-30 | 大道计算机技术(上海)有限公司 | Realization method of digital notification board for dispatching |
| CN102186275A (en) * | 2011-02-01 | 2011-09-14 | 韦自力 | Method and system for remotely and real-time playing and synchronously controlling light emitting diode (LED) lamp light |
| CN102186275B (en) * | 2011-02-01 | 2014-05-14 | 大峡谷光电科技（苏州）有限公司 | Method and system for remotely and real-time playing and synchronously controlling light emitting diode (LED) lamp light |
| CN106790407A (en) * | 2016-11-29 | 2017-05-31 | 江苏省邮电规划设计院有限责任公司 | A kind of system based on the treatment of DLP large-size screen monitors heterogeneous transaction and information communication |
| CN106790407B (en) * | 2016-11-29 | 2019-08-02 | 中通服咨询设计研究院有限公司 | A kind of system based on DLP large-size screen monitors heterogeneous transaction processing and information communication |
| CN108010443A (en) * | 2017-12-20 | 2018-05-08 | 浙江海洋大学 | A kind of studio is returned with wireless signal sees receiving screen |
| CN116567164A (en) * | 2023-07-12 | 2023-08-08 | 北京森泰英睿传媒科技有限公司 | Centralized management system and method for multimedia equipment |
| CN116567164B (en) * | 2023-07-12 | 2023-09-19 | 北京森泰英睿传媒科技有限公司 | Centralized management system and method for multimedia equipment |
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