CN110049276A - A kind of high-definition image transmission system based on intelligent meeting all-in-one machine - Google Patents
A kind of high-definition image transmission system based on intelligent meeting all-in-one machine Download PDFInfo
- Publication number
- CN110049276A CN110049276A CN201910395150.XA CN201910395150A CN110049276A CN 110049276 A CN110049276 A CN 110049276A CN 201910395150 A CN201910395150 A CN 201910395150A CN 110049276 A CN110049276 A CN 110049276A
- Authority
- CN
- China
- Prior art keywords
- data
- transmission
- server
- main body
- playback terminal
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1083—In-session procedures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
Abstract
The invention discloses a kind of high-definition image transmission systems based on intelligent meeting all-in-one machine, more particularly to office system field, including all-in-one machine main body, all-in-one machine main body connecting pin is equipped with server, the server connecting pin is respectively equipped with network expansion device and data transferring device, the network expansion device and data transferring device are interconnected and connecting pin is equipped with playback terminal, and the playback terminal includes playing display screen, play operation screen, speech player and terminal feedback end.The present invention is by being equipped with data relay device and network expansion device, data relay device quantity is set as multiple playback terminals that may insure fixed quantity in steady alignment regions after data relay device receives the vision signals of server transport and carries out transmission video signal, it not will cause the situation that transmission end excessively causes transmission of video unstable to occur, network expansion device can enhance the transmission of the video information of data relay device simultaneously, it is ensured that high-definition image stablizes transmission.
Description
Technical field
The present invention relates to office system technical fields, it is more particularly related to a kind of based on intelligent meeting one
The high-definition image transmission system of machine.
Background technique
Information intercommunication is a feature in this epoch.Office, working space more have by force the instant intercommunication of information
Strong craving.For example, video conferencing system, refers to individual or the group of two or more different places, passes through transmission line
Sound, image and document data mutual transmission are realized the communication immediately and interacted, to realize meeting purpose by road and multimedia equipment
System equipment.As currently advanced mechanics of communication only the remote of efficient high definition need to can be realized by internet in video conference
Cheng Huiyi, office.
When many major companies need out group session, personnel are more is difficult to concentrate on a place to have a meeting, so needing
It to carry out operating unified meeting by intelligent meeting all-in-one machine, meeting integrated machine system currently on the market passes through during the work time
The unstable video pictures for leading to transmission that can often transmit because of data are unstable.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of based on intelligent meeting all-in-one machine
High-definition image transmission system, by being equipped with data relay device and network expansion device, data relay device quantity is set as multiple
And it is configured according to the quantity and position of playback terminal, it can be ensured that data relay device receives the video letter of server transport
The playback terminal of fixed quantity carries out transmission video signal in steady alignment regions after number, not will cause transmission end and excessively causes video
It transmits unstable situation to occur, while connecting network expansion device on the outside of each data relay device, data relay can be enhanced
The transmission of the video information of device, it is ensured that high-definition image stablizes transmission, while can ensure different playback terminal meeting systems
One progress.
To achieve the above object, the invention provides the following technical scheme: a kind of high definition figure based on intelligent meeting all-in-one machine
Image transmission system, including all-in-one machine main body, all-in-one machine main body connecting pin are equipped with server, the server connecting pin difference
Equipped with network expansion device and data transferring device, the network expansion device and data transferring device are interconnected and connecting pin is equipped with
Playback terminal, the playback terminal include playing display screen, play operation screen, speech player and terminal feedback end.
In a preferred embodiment, the all-in-one machine body interior be equipped with data transmission device, PLC controller,
Wireless data transfer module and D/C converter, the all-in-one machine main body front side surface are equipped with monitoring display screen, the monitoring display
Shield bottom and be equipped with policer operation screen, policer operation screen bottom, which is equipped with, makees panel, and the monitoring display screen top surface is equipped with
Multiple display lamps, the all-in-one machine main body outside are equipped with host feedback end, cable company are uniformly provided at the top of the host feedback end
Through-hole.
In a preferred embodiment, database is connected on the outside of the server, the server is for receiving
All-in-one machine main body transmission of control signals and vision signal simultaneously transmit corresponding data-signal and vision signal to server and network
Device is expanded, while can also be by extracting video data information transmission in database.
In a preferred embodiment, the network expansion device is set at the top of data relay device, the network
It expands device to be connected to by transmission cable with data relay device, the network expansion device is counted for auxiliary data transferring device
According to stability and high efficiency transmission.
In a preferred embodiment, the data relay device quantity is set as multiple and according to playback terminal
Quantity and position are configured, and the data relay device includes data reception module, data processing module, data analysis module
With D/C converter, the data relay device is used to be transmitted to corresponding playback terminal after receiving server transport vision signal,
The feedback data signal of playback terminal transmission also be can receive simultaneously to server.
In a preferred embodiment, data transmission device, PLC controller, nothing are equipped with inside the playback terminal
Line data transmission module and D/C converter, the playback terminal surface, which is respectively equipped with, plays display screen, play operation screen and voice
Player, the playback terminal outside are connected with terminal feedback end by transmission cable.
In a preferred embodiment, the terminal feedback end is used for transmission after feedback signal to playback terminal successively
All-in-one machine main body is fed data back to, then matches and is connected to host feedback end.
Technical effect and advantage of the invention:
1, the present invention by be equipped with data relay device and network expansion device, data relay device quantity be set as it is multiple and according to
The quantity of playback terminal and position are configured, it can be ensured that steady after the vision signal of data relay device reception server transport
The playback terminal of fixed quantity carries out transmission video signal in alignment regions, not will cause transmission end and excessively causes transmission of video not
Stable situation occurs, while network expansion device is connected on the outside of each data relay device, can enhance data relay device
The transmission of video information, it is ensured that high-definition image stablizes transmission, while can ensure different playback terminal meeting it is unified into
Row；
2, by being equipped with monitoring display screen and policer operation screen, staff is carried out by the operation panel of all-in-one machine body surfaces
It controls different playback terminals and plays video pictures, broadcasting pictures can feed back to all-in-one machine main body simultaneously to playback terminal during the work time
It is shown on monitoring display screen, monitors and understand working condition to different playback terminal convenient for staff, while can also be with
Different playback terminals is individually transferred by policer operation screen to be checked, facilitate staff to the management of system and
Monitoring is checked, working efficiency is improved；
3, by being equipped with terminal feedback end and host feedback end, there is video playing mistake when in use in playback terminal user of service
Or can be connected in time with host feedback end by terminal feedback end when other error situations, to obtain the ditch with staff
Logical and connection, staff can also pass through monitoring display screen according to different situations in time and check, and pass through operating surface
Corresponding playback terminal is mediated in plate, it is ensured that the unification of meeting and is normally carried out.
Detailed description of the invention
Fig. 1 is overall structure schematic diagram of the invention；
Fig. 2 is all-in-one machine agent structure schematic diagram of the invention；
Appended drawing reference are as follows: 1 all-in-one machine main body, 11 monitoring display screens, 12 policer operation screens, 13 operation panels, 14 display lamps, 15 masters
Machine feedback end, 16 cable intercommunicating pores, 2 servers, 21 databases, 3 network expansion devices, 4 data relay devices, 5 playback terminals, 6
Play display screen, 7 play operation screens, 8 speech players, 9 terminal feedback ends.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
The present invention provides a kind of high-definition image transmission systems based on intelligent meeting all-in-one machine as shown in Figs. 1-2, including one
Body owner body 1,1 connecting pin of all-in-one machine main body are equipped with server 2, and 2 connecting pin of server is respectively equipped with network expansion
Device 3 and data transferring device 4, the network expansion device 3 and data transferring device 4 are interconnected and connecting pin is equipped with playback terminal
5, the playback terminal 5 includes playing display screen 6, play operation screen 7, speech player 8 and terminal feedback end 9.
Further, database 21 is connected on the outside of the server 2, the server 2 is for receiving all-in-one machine main body 1
Transmission of control signals and vision signal simultaneously transmit corresponding data-signal and vision signal to server 2 and network expansion device 3, together
When can also by database 21 extract video data information transmission.
Further, the network expansion device 3 is set to 4 top of data relay device, and the network expansion device 3 passes through biography
Defeated cable is connected to data relay device 4, and the network expansion device 3 carries out the stabilization of data for auxiliary data transferring device 4
High efficiency of transmission.
The present embodiment is the utility model has the advantages that 4 quantity of data relay device is set as multiple and according to the quantity of playback terminal 5 and position
It sets and is configured, it can be ensured that fixed number in steady alignment regions after the vision signal that the reception server 2 of data relay device 4 transmits
The playback terminal 5 of amount carries out transmission video signal, not will cause the situation that transmission end excessively causes transmission of video unstable and occurs,
Network expansion device 3 is connected on the outside of each data relay device 4 simultaneously, the biography of the video information of data relay device 4 can be enhanced
It is defeated, it is ensured that high-definition image stablizes transmission, while can ensure the unified progress of different 5 meetings of playback terminal.
Embodiment two:
Further, 4 quantity of data relay device is set as multiple and is set according to the quantity and position of playback terminal 5
It sets, the data relay device 4 includes data reception module, data processing module, data analysis module and D/C converter, institute
It states data relay device 4 and is transmitted to corresponding playback terminal 5 after 2 transmission video signal of server for receiving, while can also be with
Feedback data signal that playback terminal 5 transmits is received to server 2.
Further, data transmission device, PLC controller, wireless data transfer module are equipped with inside the playback terminal 5
With D/C converter, 5 surface of playback terminal, which is respectively equipped with, plays display screen 6, play operation screen 7 and speech player 8, institute
It states and terminal feedback end 9 is connected with by transmission cable on the outside of playback terminal 5.
The present embodiment is the utility model has the advantages that staff carries out control difference by the operation panel 13 on 1 surface of all-in-one machine main body
Playback terminal 5 plays video pictures, and broadcasting pictures can feed back to all-in-one machine main body 1 and show playback terminal 5 during the work time
On monitoring display screen 11, different playback terminals 5 is monitored and understands working condition convenient for staff, while can also be led to
It crosses policer operation screen 12 and is individually transferred different playback terminals 5 and checked, facilitate management of the staff to system
It is checked with monitoring, improves working efficiency.
Embodiment three:
Further, inside the all-in-one machine main body 1 be equipped with data transmission device, PLC controller, wireless data transfer module and
D/C converter, 1 front side surface of all-in-one machine main body are equipped with monitoring display screen 11, and 11 bottom of monitoring display screen is equipped with prison
Operator control panel 12 is controlled, 12 bottom of policer operation screen, which is equipped with, makees panel 13, and 11 top surface of monitoring display screen is equipped with multiple
Display lamp 14 is equipped with host feedback end 15 on the outside of the all-in-one machine main body 1, is uniformly provided with cable at the top of the host feedback end 15
Intercommunicating pore 16.
Further, the terminal feedback end 9 is used for transmission after feedback signal to playback terminal 5 and successively feeds data back to
All-in-one machine main body 1 then matches and is connected to host feedback end 15.
The present embodiment is the utility model has the advantages that video playing mistake or other mistakes occurs when in use in 5 user of service of playback terminal
It can be connected in time with host feedback end 15 by terminal feedback end 9 when situation, to obtain the communication with staff and connection
System, staff can also pass through monitoring display screen 11 according to different situations in time and check, and pass through operation panel 13
Corresponding playback terminal 5 is mediated, it is ensured that the unification of meeting and be normally carried out.
Working principle of the present invention:
Referring to Figure of description 1: 4 quantity of data relay device be set as it is multiple and according to the quantity of playback terminal 5 and position into
Row setting, it can be ensured that fixed quantity in steady alignment regions after the vision signal that the reception server 2 of data relay device 4 transmits
Playback terminal 5 carries out transmission video signal, not will cause the situation that transmission end excessively causes transmission of video unstable and occurs, simultaneously
Network expansion device 3 is connected on the outside of each data relay device 4, can enhance the transmission of the video information of data relay device 4, really
That protects high-definition image stablizes transmission, while can ensure the unified progress of different 5 meetings of playback terminal；
Referring to Figure of description 1 and Fig. 2: staff carries out control difference by the operation panel 13 on 1 surface of all-in-one machine main body
Playback terminal 5 plays video pictures, and broadcasting pictures can feed back to all-in-one machine main body 1 and show playback terminal 5 during the work time
On monitoring display screen 11, different playback terminals 5 is monitored and understands working condition convenient for staff, while can also be led to
It crosses policer operation screen 12 and is individually transferred different playback terminals 5 and checked, facilitate management of the staff to system
It is checked with monitoring, improves working efficiency；
Referring to Figure of description 1 and Fig. 2: there are video playing mistake or other mistakes when in use in 5 user of service of playback terminal
It can be connected in time with host feedback end 15 by terminal feedback end 9 when situation, to obtain the communication with staff and connection
System, staff can also pass through monitoring display screen 11 according to different situations in time and check, and pass through operation panel 13
Corresponding playback terminal 5 is mediated, it is ensured that the unification of meeting and be normally carried out.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, and other structures can
With reference to being commonly designed, under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of high-definition image transmission system based on intelligent meeting all-in-one machine, including all-in-one machine main body (1), it is characterised in that:
All-in-one machine main body (1) connecting pin is equipped with server (2), and server (2) connecting pin is respectively equipped with network expansion device (3)
With data transferring device (4), the network expansion device (3) and data transferring device (4) are interconnected and connecting pin is equipped with and plays
Terminal (5), the playback terminal (5) include that broadcasting display screen (6), play operation screen (7), speech player (8) and terminal are anti-
It presents end (9).
2. a kind of high-definition image transmission system based on intelligent meeting all-in-one machine according to claim 1, it is characterised in that:
Data transmission device, PLC controller, wireless data transfer module and D/C converter are equipped with inside the all-in-one machine main body (1),
All-in-one machine main body (1) front side surface is equipped with monitoring display screen (11), and monitoring display screen (11) bottom is equipped with monitoring behaviour
Work shields (12), and policer operation screen (12) bottom, which is equipped with, to be made panel (13), and monitoring display screen (11) top surface is equipped with
Multiple display lamps (14), all-in-one machine main body (1) outside is equipped with host feedback end (15), at the top of the host feedback end (15)
It is uniformly provided with cable intercommunicating pore (16).
3. a kind of high-definition image transmission system based on intelligent meeting all-in-one machine according to claim 1, it is characterised in that:
It is connected with database (21) on the outside of the server (2), the server (2) is for receiving all-in-one machine main body (1) transmission control
Signal and vision signal simultaneously transmit corresponding data-signal and vision signal to server (2) and network expansion device (3), while
It can be by extracting video data information transmission in database (21).
4. a kind of high-definition image transmission system based on intelligent meeting all-in-one machine according to claim 1, it is characterised in that:
The network expansion device (3) is set at the top of data relay device (4), and the network expansion device (3) passes through transmission cable and number
It is connected to according to transferring device (4), the network expansion device (3) carries out the stability and high efficiency of data for auxiliary data transferring device (4)
Transmission.
5. a kind of high-definition image transmission system based on intelligent meeting all-in-one machine according to claim 1, it is characterised in that:
Data relay device (4) quantity is set as multiple and is configured according to the quantity and position of playback terminal (5), the number
It include data reception module, data processing module, data analysis module and D/C converter according to transferring device (4), in the data
Rotary device (4) can also connect for being transmitted to corresponding playback terminal (5) after receiving server (2) transmission video signal
The feedback data signal of playback terminal (5) transmission is received to server (2).
6. a kind of high-definition image transmission system based on intelligent meeting all-in-one machine according to claim 1, it is characterised in that:
Data transmission device, PLC controller, wireless data transfer module and D/C converter, institute are equipped with inside the playback terminal (5)
It states playback terminal (5) surface and is respectively equipped with broadcasting display screen (6), play operation screen (7) and speech player (8), the broadcasting
Terminal feedback end (9) are connected with by transmission cable on the outside of terminal (5).
7. a kind of high-definition image transmission system based on intelligent meeting all-in-one machine according to claim 2, it is characterised in that:
The terminal feedback end (9) successively feeds data back to all-in-one machine main body after being used for transmission feedback signal to playback terminal (5)
(1), then match and be connected to host feedback end (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395150.XA CN110049276A (en) | 2019-05-13 | 2019-05-13 | A kind of high-definition image transmission system based on intelligent meeting all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395150.XA CN110049276A (en) | 2019-05-13 | 2019-05-13 | A kind of high-definition image transmission system based on intelligent meeting all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110049276A true CN110049276A (en) | 2019-07-23 |
Family
ID=67281722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910395150.XA Pending CN110049276A (en) | 2019-05-13 | 2019-05-13 | A kind of high-definition image transmission system based on intelligent meeting all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110049276A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202915A (en) * | 2020-10-13 | 2021-01-08 | 北京巨目智播科技有限公司 | Audio-visual play system based on thing networking cloud platform |
| CN112272280A (en) * | 2020-12-22 | 2021-01-26 | 北京翼鸥教育科技有限公司 | Feedback method, device, equipment and storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087398A (en) * | 2006-06-08 | 2007-12-12 | 中兴通讯股份有限公司 | A method and device for realizing remote monitoring in conference TV system |
| US20110072087A1 (en) * | 2009-09-24 | 2011-03-24 | At&T Intellectual Property I, L.P. | Very large conference spanning multiple media servers in cascading arrangement |
| WO2012091536A1 (en) * | 2010-12-30 | 2012-07-05 | Jmcs Sdn Bhd | High definition (hd) video conferencing system |
| CN103338259A (en) * | 2013-07-04 | 2013-10-02 | 广西中烟工业有限责任公司 | Conference video equipment management and control method based on cloud technology |
| CN103686057A (en) * | 2012-09-13 | 2014-03-26 | 株式会社理光 | Transmission system, relay apparatus and transmission terminal |
| CN104038724A (en) * | 2014-05-15 | 2014-09-10 | 国家电网公司 | Work state remote centralized regulation system and regulation method of television conference terminals |
| CN104469261A (en) * | 2014-12-26 | 2015-03-25 | 北京网视通联科技有限公司 | Video conference system and method based on CDN |
| CN106559639A (en) * | 2015-09-29 | 2017-04-05 | 深圳市潮流网络技术有限公司 | A kind of videoconference relaying video processing method and system |
| CN107196937A (en) * | 2017-05-19 | 2017-09-22 | 广州迅控电子科技有限公司 | With no paper conference system |
| CN108650483A (en) * | 2018-06-11 | 2018-10-12 | 广州中盈电信科技有限公司 | A kind of net meeting system |
-
2019
- 2019-05-13 CN CN201910395150.XA patent/CN110049276A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101087398A (en) * | 2006-06-08 | 2007-12-12 | 中兴通讯股份有限公司 | A method and device for realizing remote monitoring in conference TV system |
| US20110072087A1 (en) * | 2009-09-24 | 2011-03-24 | At&T Intellectual Property I, L.P. | Very large conference spanning multiple media servers in cascading arrangement |
| WO2012091536A1 (en) * | 2010-12-30 | 2012-07-05 | Jmcs Sdn Bhd | High definition (hd) video conferencing system |
| CN103686057A (en) * | 2012-09-13 | 2014-03-26 | 株式会社理光 | Transmission system, relay apparatus and transmission terminal |
| CN103338259A (en) * | 2013-07-04 | 2013-10-02 | 广西中烟工业有限责任公司 | Conference video equipment management and control method based on cloud technology |
| CN104038724A (en) * | 2014-05-15 | 2014-09-10 | 国家电网公司 | Work state remote centralized regulation system and regulation method of television conference terminals |
| CN104469261A (en) * | 2014-12-26 | 2015-03-25 | 北京网视通联科技有限公司 | Video conference system and method based on CDN |
| CN106559639A (en) * | 2015-09-29 | 2017-04-05 | 深圳市潮流网络技术有限公司 | A kind of videoconference relaying video processing method and system |
| CN107196937A (en) * | 2017-05-19 | 2017-09-22 | 广州迅控电子科技有限公司 | With no paper conference system |
| CN108650483A (en) * | 2018-06-11 | 2018-10-12 | 广州中盈电信科技有限公司 | A kind of net meeting system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202915A (en) * | 2020-10-13 | 2021-01-08 | 北京巨目智播科技有限公司 | Audio-visual play system based on thing networking cloud platform |
| CN112272280A (en) * | 2020-12-22 | 2021-01-26 | 北京翼鸥教育科技有限公司 | Feedback method, device, equipment and storage medium |
| CN112272280B (en) * | 2020-12-22 | 2021-03-23 | 北京翼鸥教育科技有限公司 | Feedback method, device, equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7339111B2 (en) | System handling video, control signals and power | |
| DE112008000981T5 (en) | Systems and methods for identifying patch cord connections in a communications connector system using common mode transmission | |
| CN205666856U (en) | Train level ethernet switching equipment and system | |
| JP2009535877A (en) | Assembly to enable power-over-Ethernet connection | |
| CN110049276A (en) | A kind of high-definition image transmission system based on intelligent meeting all-in-one machine | |
| WO2018215289A1 (en) | Module unit for connecting a data bus participant | |
| CN100589549C (en) | A kind of method and apparatus of automatic upgrade of private line conference TV system | |
| DE19728061C2 (en) | Method for controlling the use of satellite transmission capacity to replace disturbed data lines in terrestrial networks and circuitry for carrying out the method | |
| CN111741237A (en) | Ultra-high definition digital signal relay system and ultra-high definition digital signal relay vehicle | |
| DE102017112598A1 (en) | communication system | |
| CN203120077U (en) | Video conference set top box terminal | |
| CN100542099C (en) | A kind of multipoint control unit and based on the shared method and the conference system of IP network | |
| CN202535477U (en) | Visual communication system in which video conference is combined with monitoring device | |
| CN205847425U (en) | Integrated Service Digital Network transmitting device | |
| CN205450874U (en) | Fuse dispatch system based on ATCA framework | |
| DE69924285T2 (en) | METHOD FOR DISTRIBUTING AND TRANSMITTING COMMUNICATION AND MULTIMEDIA SIGNALS AND SIGNAL DISTRIBUTION APPARATUS FOR TRANSMITTING THE COMMUNICATION AND MULTIMEDIA SIGNALS | |
| CN219372492U (en) | Special line video conference MCU | |
| CN107957858A (en) | A kind of primary and secondary synchronous display apparatus | |
| CN214313596U (en) | Regulation and defense integrated information acquisition plug-in | |
| CN103676842A (en) | Monitoring management device and system | |
| CN210958578U (en) | Movable integrated audio and video command platform with mutual backup mechanism | |
| CN206850787U (en) | A kind of board and distributed apparatus | |
| AT515956B1 (en) | Emergency lighting system for a building | |
| CN218261414U (en) | Elevator well communication system based on SIP protocol | |
| WO2016173455A1 (en) | Method and device for realizing compatibility of secondary video |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190723 |