CN113341777A - Programmable intelligent data analysis central control system - Google Patents
Programmable intelligent data analysis central control system Download PDFInfo
- Publication number
- CN113341777A CN113341777A CN202110633289.0A CN202110633289A CN113341777A CN 113341777 A CN113341777 A CN 113341777A CN 202110633289 A CN202110633289 A CN 202110633289A CN 113341777 A CN113341777 A CN 113341777A
- Authority
- CN
- China
- Prior art keywords
- module
- electrically connected
- serial port
- control system
- input end
- 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.)
- Pending
Links
- 238000007405 data analysis Methods 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 230000006870 function Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 241000700605 Viruses Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a programmable intelligent data analysis central control system, which belongs to the technical field of electronic information and comprises a remote control terminal, wherein the output end of the remote control terminal is electrically connected with the input end of a wide area network connection module, and the output end of the wide area network connection module is electrically connected with the input end of a control system. This intelligent data analysis central control system able to programme, through setting up circuit self-checking module and system recovery unit, when single joint module is out of order, conversion module will handle information transfer to joint module two, make it joint module one, mutually support between joint module two and the joint module N, can in time convert after single breaking down, make it use the multinuclear mode of video audio processing adoption, can prevent to use after the breaking down when using, the normal development of guarantee meeting, the fault-tolerant effect of system has been promoted, very big reduction the economic benefits loss of equipment reason to actual production.
Description
Technical Field
The invention belongs to the technical field of electronic information, and particularly relates to a programmable intelligent data analysis central control system.
Background
The central control system is a device that centrally controls various devices such as sound, light, and electricity. The intelligent control system is applied to multimedia classrooms, multifunctional conference halls, command control centers, intelligent families and the like, and users can use devices such as a button control panel, a computer display, a touch screen, a wireless remote control and the like to control devices such as a projector, a display stand, a video disc player, a video recorder and the like through a computer and central control system software. It can realize resource sharing, mutual transmission of audio and video and mutual monitoring. The method is characterized in that modern audio-visual equipment such as a computer, a video disc player, a video recorder, a video exhibition stand and the like are cooperatively controlled, equipment such as an electric curtain, light, a curtain and the like are controlled in a centralized manner, a high-definition, high-fidelity and controlled acousto-optic background modern multimedia audio-visual teaching environment is created through large-screen projection, and information exchange and communication become more and more frequent and more important along with the continuous development of the society. Various audio-visual devices, projection devices, event systems, and the like are beginning to enter various industries. The existing conference rooms, audio-visual teaching rooms and the like are not a platform, a chair and a microphone in the prior art, but various advanced multimedia conference and teaching equipment are replaced, and some large conference rooms are also provided with simultaneous interpretation systems, electronic voting systems, large screen projection, multi-picture switching systems and the like. The use of multiple devices necessarily entails cumbersome device operations. Such as: when the power of various devices is required to be turned on, lights are required to be turned off, various audio and video signals are required to be switched frequently, and projection pictures are required to be switched continuously, under the condition, the devices can be managed in a centralized mode, and various resources of a meeting room and a classroom can be controlled simultaneously, so that a central control system device can be produced, wherein the current central control system has an obvious effect in important meetings, audio and video faults after connection of a notebook frequently occur during use, adverse effects are caused to important meetings, and the current meeting room management mostly adopts a paper registration reservation mode, so that the use efficiency is low.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the invention provides a programmable intelligent data analysis central control system, which solves the problems that the prior central control system has a particularly obvious effect in important conferences, audio and video faults after notebook connection frequently occur during use, and adverse effects are caused to the important conferences, and the prior conference room management mostly adopts a paper registration reservation mode, so that the use efficiency is low.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the programmable intelligent data analysis central control system comprises a remote control terminal, wherein the output end of the remote control terminal is electrically connected with the input end of a wide area network connection module, the output end of the wide area network connection module is electrically connected with the input end of a control system, the output end of the control system is electrically connected with the input end of a conversion module, the output end of the conversion module is electrically connected with the input ends of a first joint module, a second joint module and a N joint module respectively, the output end of the remote control terminal is electrically connected with the input end of a programmable I/O output circuit, the output end of the programmable I/O output circuit is electrically connected with the input end of a programmable control serial port, the output end of the programmable control serial port is electrically connected with the input end of the control system, the input end of the control system is electrically connected with the output end of a relay module, and the input end of the relay module is electrically connected with the output end of an AC/DC power supply control module, the input end of the control system is electrically connected with the output end of the computer control serial port, the input end of the computer control serial port is electrically connected with the output end of the infrared transceiving module, the input end of the computer control serial port is electrically connected with the output end of the projection and card reading processing unit, the input end of the infrared transceiving module is electrically connected with the output end of the computer control serial port, the input end of the projection and card reading processing unit is electrically connected with the output end of the computer control unit, and the input end of the control system and the input end of the computer control serial port are electrically connected with the output end of the same circuit self-checking module.
As a further scheme of the invention: the first connector module comprises a logic circuit, a line serial port module, an vga conversion circuit and an audio-video control circuit, wherein the input ends of the logic circuit, the line serial port module, the vga conversion circuit and the audio-video control circuit are electrically connected with the input end of the self-checking alarm circuit, and the input end of the logic circuit is electrically connected with the output end of the conversion module.
As a further scheme of the invention: the programmable control serial port comprises a one-way com serial port and a two-way com serial port, the programmable control serial port adopts an RS232/RS485 interface, the one-way com serial port and the two-way com serial port are DB9 male interfaces, and the number of the one-way com serial port and the number of the two-way com serial ports are respectively four.
As a further scheme of the invention: the infrared receiving and transmitting module has an infrared learning function except for standard frequency band signal receiving, the output end of the remote control terminal is electrically connected with the input end of the reservation registration module, and the reservation registration module is a data processing system based on an SQL database and can inquire historical use records.
As a further scheme of the invention: the input end of the control system is electrically connected with the output end of the system recovery unit, the system recovery unit is an independent host system, and the control system runs in a mode of mirroring through the system recovery unit.
As a further scheme of the invention: the projection and card reading processing unit is an independent external processing device, adopts an independent processor to operate, supports various sd cards, mobile hard disks and U disk slots thereof, and is connected through a computer control serial port.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the programmable intelligent data analysis central control system is characterized in that a control system, a computer control serial port, a projection and card reading processing unit, a first connector module, a second connector module, a connector module N, a self-checking alarm circuit, a circuit self-checking module and a system recovery unit are arranged, when the programmable intelligent data analysis central control system is used, the control system connects a computer with the projection and card reading processing unit through the computer control serial port and controls through remote control equipment matched with an infrared transceiving module, a plurality of data devices are connected through a line serial port module in the first connector module in a meeting process, when a single connector module fails, a conversion module transfers processing information to the second connector module, so that the first connector module, the second connector module and the connector module N are mutually matched, and can timely convert after a single failure, so that video and audio processing can be used in a multi-core mode, can prevent to break down when using and can't use after, ensure the normal development of meeting, promote the fault-tolerant effect of system, very big reduction the economic benefits loss of equipment reason to actual production.
2. The programmable intelligent data analysis central control system is characterized in that a circuit self-checking module, a self-checking alarm circuit, a remote control terminal, a wide area network connection module, a control system, a programmable I/O output circuit, a programmable control serial port and a reservation registration module are arranged, when the programmable intelligent data analysis central control system is used, each reservation use information is recorded by the reservation registration module, the reservation information is stored after being arranged, the remote control terminal can start the control system before a conference starts by matching with the wide area network connection module, so that the central control system is activated step by step, the infrared transceiving module and a projection and card reading processing unit of a computer control serial port are self-checked by matching with the circuit self-checking module, whether the control system normally operates is detected, when the control system is not started, a system recovery unit is detected before the conference, and meanwhile, the AC/DC power supply control module is detected to supply power, when the computer control serial port does not respond, the first connector module processed is switched through the conversion module, the self-checking alarm circuit is started at the same time, whether the first connector module operates normally is detected, when systematic faults occur inside the first connector module, the first connector module can be adjusted and arranged remotely through the programmable control serial port, the method can detect the lead of the central control system when in use, meanwhile, each external device is matched and detected to operate, the fault can be detected timely and processed, remote technical support in the using process is supported, background software repairing processing can be carried out without intervening a conference, conference information can be recorded and fault reasons can be added through the matching reservation registration module, and stability in the long-time using process of the first connector module is guaranteed.
3. According to the programmable intelligent data analysis central control system, the system recovery unit and the control system are arranged, when the programmable intelligent data analysis central control system is used, the control system is a mirror image of the system recovery unit after being shut down and restarted every time, so that a public system of the programmable intelligent data analysis central control system cannot store some commercial files, meanwhile, the safety of the files is guaranteed, the control system can be prevented from being influenced by external viruses by matching with the use mode of restarting or starting every time, and the running speed is guaranteed to be more reliable.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
in the figure: the system comprises a remote control terminal 1, a wide area network connection module 2, a control system 3, a conversion module 4, a first connector module 5, a second connector module 6, a connector module N7, a self-checking alarm circuit 8, a programmable I/O output circuit 9, a programmable control serial port 10, a system recovery unit 11, a relay module 12, an AC/DC power supply control module 13, a computer control serial port 14, an infrared transceiving module 15, a projection and card reading processing unit 16, a circuit self-checking module 17 and a reservation registration module 18.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in the figure, the present invention provides a technical solution: the programmable intelligent data analysis central control system comprises a remote control terminal 1, wherein the output end of the remote control terminal 1 is electrically connected with the input end of a wide area network connecting module 2, the output end of the wide area network connecting module 2 is electrically connected with the input end of a control system 3, the output end of the control system 3 is electrically connected with the input end of a conversion module 4, the output end of the conversion module 4 is respectively electrically connected with a joint module I5, a joint module II 6 and the input end of a joint module N7, the joint module I5 comprises a logic circuit, a line serial port module, a vga conversion circuit and an audio-video control circuit, the logic circuit, the line serial port module, the input end of a vga conversion circuit and the input end of the audio-video control circuit are electrically connected with the input end of a self-checking alarm circuit 8, the input end of the logic circuit is electrically connected with the output end of the conversion module 4, and the conversion circuit can switch between the joint module I5 and the joint module II 6 when in use, the operation stability can be ensured when the connector is used, the self-checking alarm circuit 8 can keep the first butt joint module 5, the second joint module 6 and the N7 to detect whether the connector is in fault or not when the connector is used, the output end of the remote control terminal 1 is electrically connected with the input end of the programmable I/O output circuit 9, the output end of the programmable I/O output circuit 9 is electrically connected with the input end of the programmable control serial port 10, the programmable control serial port 10 comprises a one-way com serial port and a two-way com serial port, the programmable control serial port 10 adopts an RS232/RS485 interface, the one-way com serial port and the two-way com serial port are DB9 male interfaces, the number of the one-way com serial port and the two-way com serial port is four respectively, the connector can be classified for connection operation when the connector is used by arranging the one-way com serial port and the two-way com serial port, the output end of the programmable control serial port 10 is electrically connected with the input end of the control system 3, the input end of the control system 3 is electrically connected with the output end of the relay module 12, the input end of the relay module 12 is electrically connected with the output end of the AC/DC power supply control module 13, the input end of the control system 3 is electrically connected with the output end of the computer control serial port 14, the input end of the control system 3 is electrically connected with the output end of the system recovery unit 11, the system recovery unit 11 is an independent host system, the control system 3 operates in a mode of mirroring through the system recovery unit 11, the control system 3 is mirroring of the system recovery unit 11 after being shut down and restarted every time, so that a public system of the control system can not store some commercial files and the safety of the files is guaranteed, and the control system 3 can be prevented from being influenced by external viruses and is more reliable while the operation speed is guaranteed by matching with the use mode of restarting or starting up every time, the input end of the computer control serial port 14 is electrically connected with the output end of the infrared transceiving module 15, the input end of the computer control serial port 14 is electrically connected with the output end of the projection and card reading processing unit 16, the input end of the infrared transceiving module 15 is electrically connected with the output end of the computer control serial port 14, the infrared transceiving module 15 has an infrared learning function except for standard frequency band signal receiving, the output end of the remote control terminal 1 is electrically connected with the input end of the reservation registration module 18, the reservation registration module 18 is a data processing system based on an SQL database and can inquire historical use records, the input end of the projection and card reading processing unit 16 is electrically connected with the output end of the computer control unit, the projection and card reading processing unit 16 is an independent external processing device and adopts an independent processor to operate, and supports various sd cards and mobile hard disks and U disk slots thereof and is connected through the computer control serial port 14, the control system 3 is electrically connected with the input end of the computer control serial port 14 and the output end of the same circuit self-checking module 17.
The working principle of the invention is as follows:
s1, when the system is used, the control system 3 connects the computer with the projection and card reading processing unit 16 through the computer control serial port 14, controls the system through the remote control equipment matched with the infrared transceiving module 15, immediately connects a plurality of data equipment through the line serial port module in the joint module I5 in the conference process, and when the single joint module I5 has a fault;
s2, the conversion module 4 transfers the processing information to the second connector module 6 to ensure that the first connector module 5, the second connector module 6 and the N7 are mutually matched, the conversion can be made in time after a single failure, the individual reservation usage information is recorded by the reservation registration module 18, the reservation information is stored after being arranged, the remote control terminal 1 can start the control system 3 before the conference starts by matching with the wide area network connection module 2, the central control system 3 is activated step by step, and the infrared receiving and transmitting module 15 and the projection and card reading processing unit 16 of the computer control serial port 14 are self-checked by matching with the circuit self-checking module 17, whether the control system 3 normally operates is detected, when the control system 3 is not started, detecting the system recovery unit 11 before the conference, and detecting whether power is supplied to the alternating current/direct current power supply control module 13;
s3, when the computer control serial port 14 has no response, the first processed connector module 5 is switched through the conversion module 4, the self-checking alarm circuit 8 is started at the same time, whether the first processed connector module 5 operates normally is detected, when a systematic fault occurs inside the first processed connector module, the first processed connector module can be adjusted and arranged remotely through the programmable control serial port 10, the method can detect the lead amount of the central control system 3 when in use, and meanwhile, the first processed connector module can be matched with each external device to detect the operation, so that the processing after the fault is found timely can be guaranteed, and the remote technical support in the use process can be supported.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. Programmable intelligent data analysis central control system, including remote control terminal (1), its characterized in that: the output end of the remote control terminal (1) is electrically connected with the input end of a wide area network connection module (2), the output end of the wide area network connection module (2) is electrically connected with the input end of a control system (3), the output end of the control system (3) is electrically connected with the input end of a conversion module (4), the output end of the conversion module (4) is electrically connected with a first joint module (5), a second joint module (6) and a N joint module (7) respectively, the output end of the remote control terminal (1) is electrically connected with the input end of a programmable I/O output circuit (9), the output end of the programmable I/O output circuit (9) is electrically connected with the input end of a programmable control serial port (10), the output end of the programmable control serial port (10) is electrically connected with the input end of the control system (3), the input end of the control system (3) is electrically connected with the output end of a relay module (12), the input end of the relay module (12) is electrically connected with the output end of the alternating current and direct current power supply control module (13), the input end of the control system (3) is electrically connected with the output end of the computer control serial port (14), the input end of the computer control serial port (14) is electrically connected with the output end of the infrared transceiving module (15), the input end of the computer control serial port (14) is electrically connected with the output end of the projection and card reading processing unit (16), the input end of the infrared transceiving module (15) is electrically connected with the output end of the computer control serial port (14), the input end of the projection and card reading processing unit (16) is electrically connected with the output end of the computer control unit, and the input end of the computer control serial port (14) and the output end of the same circuit self-checking module (17) are electrically connected with the control system (3).
2. The programmable intelligent data analysis central control system of claim 1, wherein: the first connector module (5) comprises a logic circuit, a line serial port module, an vga conversion circuit and an audio and video control circuit, wherein the input ends of the logic circuit, the line serial port module, the vga conversion circuit and the audio and video control circuit are electrically connected with the input end of the self-checking alarm circuit (8), and the input end of the logic circuit is electrically connected with the output end of the conversion module (4).
3. The programmable intelligent data analysis central control system of claim 1, wherein: the programmable control serial port (10) comprises a one-way com serial port and a two-way com serial port, the programmable control serial port (10) adopts an RS232/RS485 interface, the one-way com serial port and the two-way com serial port are DB9 male interfaces, and the number of the one-way com serial port and the number of the two-way com serial ports are four respectively.
4. The programmable intelligent data analysis central control system of claim 1, wherein: the infrared receiving and transmitting module (15) has an infrared learning function except for standard frequency band signal receiving, the output end of the remote control terminal (1) is electrically connected with the input end of the reservation registration module (18), and the reservation registration module (18) is a data processing system based on an SQL database and can inquire historical use records.
5. The programmable intelligent data analysis central control system of claim 1, wherein: the input end of the control system (3) is electrically connected with the output end of the system recovery unit (11), the system recovery unit (11) is an independent host system, and the control system (3) operates in a mode of mirroring through the system recovery unit (11).
6. The programmable intelligent data analysis central control system of claim 1, wherein: the projection and card reading processing unit (16) is an independent external processing device, adopts an independent processor to operate, supports various sd cards, mobile hard disks and U disk slots thereof, and is connected through a computer control serial port (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633289.0A CN113341777A (en) | 2021-06-07 | 2021-06-07 | Programmable intelligent data analysis central control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633289.0A CN113341777A (en) | 2021-06-07 | 2021-06-07 | Programmable intelligent data analysis central control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113341777A true CN113341777A (en) | 2021-09-03 |
Family
ID=77475039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110633289.0A Pending CN113341777A (en) | 2021-06-07 | 2021-06-07 | Programmable intelligent data analysis central control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113341777A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1291746A (en) * | 1999-08-31 | 2001-04-18 | 韩旭 | Universal processor for serial bus fault-to/erant system |
| CN103389657A (en) * | 2013-08-02 | 2013-11-13 | 杭州恒胜电子科技有限公司 | Dual-backup programmable central control system |
| KR20140019171A (en) * | 2012-08-06 | 2014-02-14 | (주)디앤티 | Total management system for video conference room |
| CN104062956A (en) * | 2014-06-16 | 2014-09-24 | 南京融教科技有限公司 | Real-time detecting and integrated monitoring and controlling system for equipment in multi-media classrooms |
| CN206440958U (en) * | 2016-07-13 | 2017-08-25 | 广州市慧诚计算机系统科技有限公司 | novel multimedia central control device |
| CN206524847U (en) * | 2017-02-28 | 2017-09-26 | 伍玉秀 | Computer network security control device is used in one kind teaching |
| CN109144815A (en) * | 2018-07-31 | 2019-01-04 | 常州信息职业技术学院 | A kind of computer glitch processing system of real-time detection |
| CN110020736A (en) * | 2019-04-12 | 2019-07-16 | 郭海彬 | A kind of unattended automatic control system of meeting room reservation |
-
2021
- 2021-06-07 CN CN202110633289.0A patent/CN113341777A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1291746A (en) * | 1999-08-31 | 2001-04-18 | 韩旭 | Universal processor for serial bus fault-to/erant system |
| KR20140019171A (en) * | 2012-08-06 | 2014-02-14 | (주)디앤티 | Total management system for video conference room |
| CN103389657A (en) * | 2013-08-02 | 2013-11-13 | 杭州恒胜电子科技有限公司 | Dual-backup programmable central control system |
| CN104062956A (en) * | 2014-06-16 | 2014-09-24 | 南京融教科技有限公司 | Real-time detecting and integrated monitoring and controlling system for equipment in multi-media classrooms |
| CN206440958U (en) * | 2016-07-13 | 2017-08-25 | 广州市慧诚计算机系统科技有限公司 | novel multimedia central control device |
| CN206524847U (en) * | 2017-02-28 | 2017-09-26 | 伍玉秀 | Computer network security control device is used in one kind teaching |
| CN109144815A (en) * | 2018-07-31 | 2019-01-04 | 常州信息职业技术学院 | A kind of computer glitch processing system of real-time detection |
| CN110020736A (en) * | 2019-04-12 | 2019-07-16 | 郭海彬 | A kind of unattended automatic control system of meeting room reservation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104062956B (en) | Real-time detecting and integrated monitoring and controlling system for equipment in multi-media classrooms | |
| CN103699096A (en) | Exhibition hall equipment and multimedia centralized control system | |
| CN110933739A (en) | Electronic equipment awakening method and electronic equipment | |
| CN201828813U (en) | Emergency command center system of electric power system | |
| CN207819940U (en) | A kind of with no paper digital conference system | |
| CN108388415A (en) | A kind of Multi-screen display system | |
| CN201044859Y (en) | Fire-fighting network information transmission equipment | |
| CN108173667B (en) | Intelligent conference system and implementation method | |
| CN212677278U (en) | Two-in-one equipment of video conference and interactive whiteboard | |
| CN113341777A (en) | Programmable intelligent data analysis central control system | |
| CN103389657B (en) | Dual-backup programmable central control system | |
| CN105843114A (en) | Intelligent meeting room control system | |
| CN106534352A (en) | Remote debugging simulator and control method thereof | |
| CN203422615U (en) | Dual-backup programmable central control system | |
| CN111177804A (en) | System and method based on multi-platform data security isolation and service cooperative work | |
| EP2819075A1 (en) | Method and apparatus for automatically synchronizing electronic devices | |
| CN115359643A (en) | Intelligent control terminal control system | |
| JP2002136000A (en) | Uninterruptible power supply system | |
| CN109040657A (en) | A kind of bidirectional feedback intelligent conference system and its Two-way Feedback method, storage medium | |
| CN108520584A (en) | A kind of multi-media classroom security-protection management system | |
| CN113126938B (en) | Image display control method and device, display box and display system | |
| CN203618023U (en) | Embedded smart cloud terminal system | |
| CN110825445A (en) | Timing startup and shutdown system of interactive intelligent panel | |
| KR101490079B1 (en) | HD class Digital broadcasting control system for multi-media | |
| CN109151368B (en) | Small-size space conference central control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210903 |
|
| RJ01 | Rejection of invention patent application after publication |