CN203193784U - Multifunctional video conference system - Google Patents

Multifunctional video conference system Download PDF

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Publication number
CN203193784U
CN203193784U CN 201320173200 CN201320173200U CN203193784U CN 203193784 U CN203193784 U CN 203193784U CN 201320173200 CN201320173200 CN 201320173200 CN 201320173200 U CN201320173200 U CN 201320173200U CN 203193784 U CN203193784 U CN 203193784U
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CN
China
Prior art keywords
video conference
conference terminal
video
unit
terminal
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Expired - Fee Related
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CN 201320173200
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Chinese (zh)
Inventor
张居辰
贲华民
彭云中
赵国辉
赵文涛
高雪庭
宋建斌
韩进永
甄永生
栗维勋
吕琦
董祯
牛俊玉
张保亮
邢兆龙
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LUANCHENG POWER SUPPLY BUREAU
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Original Assignee
LUANCHENG POWER SUPPLY BUREAU
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
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Application filed by LUANCHENG POWER SUPPLY BUREAU, State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd filed Critical LUANCHENG POWER SUPPLY BUREAU
Priority to CN 201320173200 priority Critical patent/CN203193784U/en
Application granted granted Critical
Publication of CN203193784U publication Critical patent/CN203193784U/en
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Abstract

The utility model relates to a multifunctional video conference system. The multifunctional video conference system comprises a video conference terminal unit, network equipment, a display unit, an audio unit and a control unit, wherein the video conference terminal unit comprises a high-definition video conference terminal, a standard-definition video conference terminal, an IP (Internet protocol) video conference terminal and a video conference mode switchover module. The multifunctional video conference system disclosed by the utility model is capable of flexibly selecting the modes of video conference and sharing the data information such as charts, thus enriching the functions of the video conference system, realizing more flexible and effective communication, and increasing conference efficiency.

Description

Multi-functional video conferencing system
Technical field
The utility model relates to a kind of video conferencing system, belongs to the multimedia communication technology field.
Background technology
Along with the development of society, traditional conference model that only exchanges with literal by voice can not satisfy people's demand.Along with network service and Development of Multimedia Technology, video conferencing system is just arisen at the historic moment, video conferencing system is a kind of application system that video compression, audio compression and multimedia communication technology are realized virtual meeting of passing through, and can make the geographical participant who goes up dispersion carry out the real time information interchange and share, carry out collaborative work by video, acoustic information stream.
Compare with traditional meeting, multimedia communication technology is used in video conference, utilize video conference terminal to transmit mutually video information and the audio-frequency information at the participant scene that is dispersed in various places by the network equipment, be very easy between the participant truly, exchange intuitively; Also have the meeting of reduction traveling expense, save advantages such as manpower, raising work and the efficiency of decision-making.
At present, video conferencing system has obtained development fast, has obtained extensive use in all trades and professions such as government, traffic, electric power, education, medical treatment, the strong instrument of become meeting, working in coordination with, commanding, dispatch.
Video conferencing system mainly contains HD video meeting, SD video conference and three kinds of conference models of IP video conference.SD video conference transmission speed is fast, image quality is lower, is applicable to the less demanding meeting of image quality; HD video meeting image quality height, transmission speed are slower, are applicable to the demanding meeting of image quality, and HD video meeting and SD video conference utilize private network to carry out the signal transmission, and be safe; The IP video conference utilizes IP network to carry out the signal transmission, and network requirement is low, but fail safe is low, is applicable to the meeting that security requirement is not high.But current video conferencing system fixedly selection wherein a kind of pattern carry out work, can not and require to select flexibly conference model according to the grade in meeting-place.In addition, current video conferencing system only can be shared the meeting live view, and function singleness can not be shared data informations such as chart.
The utility model content
The utility model technical issues that need to address provide a kind of multi-functional video conferencing system that can select conference model flexibly, share data informations such as chart.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is as follows:
Multi-functional video conferencing system, comprise video conference terminal unit, the network equipment, display unit, audio unit and control unit, the video conference terminal unit interconnects with the network equipment, display unit and audio unit respectively, and display unit also interconnects with control unit.
Described video conference terminal unit comprises HD video conference terminal, IP video conference terminal, SD video conference terminal and video conference mode handover module, and described HD video conference terminal, IP video conference terminal and SD video conference terminal are respectively by video conference mode handover module and control unit interconnection.HD video conference terminal and IP video conference terminal interconnect with display unit respectively, and the input of SD video conference terminal is connected with display unit by the S switch, and the output of SD video conference terminal is connected with display unit by the VGA distributor.Described HD video conference terminal, IP video conference terminal and SD video conference terminal also interconnect with the network equipment and audio unit respectively.
Display unit comprises one the matrix switcher that is used for realization vision signal multichannel input and output conversion and several high definition camera and several display devices for display video signal that is used for production meeting-place picture, the high definition camera is connected with the input of matrix switcher, and display device is connected with the output of matrix switcher.The input of described matrix switcher also is connected with the SD video conference terminal by the VGA distributor, the output of matrix switcher is connected with the SD video conference terminal by the S switch, and matrix switcher interconnects with HD video conference terminal and IP video conference terminal respectively.
Audio unit comprises one, and microphone is connected with the input of audio process for the treatment of the audio process of audio signal and several microphones and several audio amplifiers, and audio amplifier is connected with the output of audio process.Audio process also interconnects with HD video conference terminal, IP video conference terminal and SD video conference terminal respectively.
The controlled switching system that control unit comprises for the control terminal of control display device operating state, is used for sending the control main frame of control signal and is used for handshaking, the input of middle control main frame connects the output of control terminal, and the output of middle control main frame connects the control end of display device.Controlled switching system interconnects with middle control main frame, video conference mode handover module, matrix switcher and high definition camera respectively in described.
Improvement of the present utility model is: described control unit also comprises wireless router and intelligent mobile device, and intelligent mobile device is by wireless router and the interconnection of middle controlled switching system.
Further improvement of the utility model is: intelligent mobile device is iPhone or iPad.
Further improvement of the utility model is: described video conferencing system also comprises the sequential power module for managing video conference system power supply, sequential power module input connects civil power, and the sequential power module outlet is connected with middle controlled switching system with video conference mode handover module, the network equipment, matrix switcher, control terminal, middle control main frame respectively.
Further improvement of the utility model is: the output of described IP video conference terminal, VGA distributor and control terminal is connected with the display for the monitoring relevant device respectively.
Further improvement of the utility model is: the described network equipment comprises optical transceiver and the switch that is linked in sequence.
Further improvement of the utility model is: described display device is at least a in LCD TV, plasm TV, the projecting apparatus.
Further improvement of the utility model is: described audio process comprises sound console, equalizer and the power amplifier that is linked in sequence.
Because the technological progress of having adopted technique scheme, the utility model to obtain is:
The utility model is integrated into the video conference terminal of HD video conference terminal, IP video conference terminal and three kinds of different modes of SD video conference in the video conferencing system, can pass through the video conference mode handover module according to the specific requirement of meeting and select different conference models by selecting corresponding video conference terminal, and a plurality of high definition cameras that the video conference terminal of selecting transmitted by matrix switcher and the multi-channel video signal in different meeting-place selectively are presented at respectively on the corresponding display device.Wherein also can realize playing data informations such as electric network wiring scheme, inner propaganda film and chart by the IP video conference terminal, can realize showing simultaneously the graph text information content, enrich the function of video conferencing system, reached communication more flexibly and effectively, shared, the lifting office efficiency of data information message.
The utility model can be connected with middle controlled switching system by wireless router by intelligent mobile devices such as iPhone or iPad, make the user can both utilize intelligent mobile device realization such as iPhone or iPad to the operation of video conferencing system in any position at meeting scene, be convenient to control and management.
The utility model is by the order of each equipment connection and powered-down in the sequential power module keyholed back plate reason video conferencing system, make video conference mode handover module, the network equipment, matrix switcher, control terminal, middle control main frame and middle controlled switching system startup power supply or powered-down in a certain order, effectively avoided artificial operation error, can lower simultaneously power consumption equipment impact to power consumption equipment in switch moment again, guarantee the stable of video conferencing system.
IP video conference terminal in the utility model, control terminal and VGA distributor all are connected with the display for the monitoring relevant device, can be convenient to monitor in real time IP video conference terminal, control terminal and SD video conference terminal, thus the control and management video conferencing system.
Description of drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the structured flowchart of the utility model video conference terminal unit.
Fig. 3 is the structured flowchart of the utility model display unit.
Fig. 4 is the structured flowchart of the utility model audio unit.
Fig. 5 is the structured flowchart of the utility model control unit.
Fig. 6 is the connection diagram of the utility model sequential power module.
Wherein, 1, the video conference terminal unit, 2, the network equipment, 3, display unit, 4, audio unit, 5, control unit, 6, the sequential power module, 7, display, 11, the HD video conference terminal, 12, the IP video conference terminal, 13, the SD video conference terminal, 14, the S switch, 15, the VGA distributor, 16, the video conference mode handover module, 31, matrix switcher, 32, the high definition camera, 33, display device, 41, microphone, 42, audio process, 43, audio amplifier, 51, control terminal, 52, middle control main frame, 53, middle controlled switching system, 54, wireless router, 55, the intelligence mobile device.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
Multi-functional video conferencing system as shown in Figure 1, comprise video conference terminal unit 1, the network equipment 2, display unit 3, audio unit 4 and control unit 5, video conference terminal unit 1 interconnects with the network equipment 2, display unit 3 and audio unit 4 respectively, and display unit 3 also interconnects with control unit 5.Vision signal and the coding audio signal at meeting scene are gathered with display unit 3 and audio unit 4 in video conference terminal unit 1, be transferred to the far-end video conferencing system by the network equipment 2 then, receiving vision signal and the audio signal that the far-end video conferencing system sends simultaneously decodes, and display the play by display unit 3 and audio unit 4, wherein the network equipment 2 comprises optical transceiver and the switch that is linked in sequence.Control unit 5 is used for control display unit 3.
The structured flowchart of video conference terminal unit 1 as shown in Figure 2, comprise HD video conference terminal 11, IP video conference terminal 12, SD video conference terminal 13 and video conference mode handover module 16, HD video conference terminal 11, IP video conference terminal 12 and SD video conference terminal 13 are connected with the output of video conference mode handover module 16 respectively, and the input of video conference mode handover module 16 is connected with control unit 5.Three kinds of video conference terminals can carry out the video conference of three kinds of patterns respectively: HD video conference terminal 11 can carry out image quality video conference clearly, IP video conference terminal 12 can utilize computer to share the video conference of data informations such as chart, SD video conference terminal 13 can carry out the demanding video conference of transmission speed, and the user can pass through video conference mode handover module 16 according to the specific requirement of meeting and select suitable video conference terminal under the regulation and control of control unit 5.
HD video conference terminal 11 and IP video conference terminal 12 all interconnect with display unit 3, display unit 3 is transferred to the encoding video signal of HD video conference terminal 11 and IP video conference terminal 12, and the vision signal that receives of HD video conference terminal 11 and IP video conference terminal 12 will be decoded and will be transferred to display unit 3 simultaneously.The input of SD video conference terminal 13 is connected with display unit 3 by S switch 14, utilizes S switch 14 to be converted to the SD vision signal high-definition video signal in the display unit 3 and is transferred to SD video conference terminal 13; The output of SD video conference terminal 13 is connected with display unit 3 by VGA distributor 15, and the SD vision signal that VGA distributor 15 is exported SD video conference terminal 13 is divided into multichannel, with wherein a road be transferred to display unit 3.
HD video conference terminal 11, IP video conference terminal 12 and SD video conference terminal 13 also all interconnect with audio unit 4, the audio signal that audio unit 4 is transferred to HD video conference terminal 11, IP video conference terminal 12 and SD video conference terminal 13 is decoded, or the audio signal that HD video conference terminal 11, IP video conference terminal 12 and SD video conference terminal 13 receive will be carried out coding transmission to audio unit 4.
HD video conference terminal 11, IP video conference terminal 12 and SD video conference terminal 13 are all by the network equipment 2 and the far-end video conferencing system interconnection that is arranged on other meeting-place, give the far-end video conferencing system with vision signal and audio signal transmission, receive vision signal and audio signal that the far-end video conferencing system transmits simultaneously, thereby realize and meeting-place, the video conferencing system place holding video conference of far-end, carry out multimedia communication.
The structured flowchart of display unit 3 comprises a matrix switcher 31 and several high definition cameras 32 and several display devices 33 as shown in Figure 3, and display device 33 is at least a in LCD TV, plasm TV, the projecting apparatus.Matrix switcher 31 is used for realizing the multichannel input and output of vision signal, and high definition camera 32 is used for production meeting-place picture, and display device 33 is used for display video signal.
High definition camera 32 is connected with the input of matrix switcher 31, and display device 33 is connected with the output of matrix switcher 31; Matrix switcher 31 also interconnects with HD video conference terminal 11 and IP video conference terminal 12 respectively, the input of matrix switcher 31 also is connected with SD video conference terminal 13 by VGA distributor 15 incites somebody to action, VGA distributor 15 is divided into multichannel with the vision signal of SD video conference terminal 13 output, with wherein a road be transferred to matrix switcher 31; The output of matrix switcher 31 also is connected with SD video conference terminal 13 by S switch 14, RGB high-definition video signal by 32 productions of high definition camera can be converted to VGA SD vision signal by S switch 14, be transferred to SD video conference terminal 13 through matrix converter 12 again.The HD video conference terminal 11 that to select through video conference mode handover module 16 by matrix switcher 31 or a plurality of remote site vision signals of IP video conference terminal 12 or 13 transmission of SD video conference terminal and the local meeting-place vision signal of a plurality of high definition camera 32 transmission selectively show by display device 33 respectively.
The structured flowchart of audio unit 4 comprises one as shown in Figure 4 for the treatment of audio process 42 and several microphones 41 and several audio amplifiers 43 of audio signal, and audio process 42 comprises sound console, equalizer and the power amplifier that is linked in sequence.The input of audio process 42 is connected with 41 of words, and output is connected with audio amplifier 43, but amplifies processing by the audio signal of audio process 42 microphones 41 collections, and is transported to audio amplifier 43 and plays.Audio process 42 also interconnects with HD video conference terminal 11, IP video conference terminal 12 and SD video conference terminal 13 respectively, can also handle the far-end video conferencing system is sent to HD video conference terminal 11 or IP video conference terminal 12 or SD video conference terminal 13 by the network equipment 2 audio signal by audio process 42; The audio signal that microphone 41 can also be gathered is sent to the far-end video conferencing system by HD video conference terminal 11 or IP video conference terminal 12 or SD video conference terminal 13 in addition.
The structured flowchart of control unit 5 as shown in Figure 5, comprise control terminal 51, middle control main frame 52, middle controlled switching system 53, control terminal 51 is used for the operating state of control display device 33, and middle control main frame 52 is used for sending control signal, and middle controlled switching system 53 is used for the exchange signal.Control main frame 52 during the output of control terminal 51 connects, the output of middle control main frame 52 connects the control end of display device 33, control terminal 51 further sends dependent instruction to realize the control and management of display device 33 operating states to display device 33 by sending signal to middle control main frame 52.Middle controlled switching system 53 interconnects with middle control main frame 52, square video conference mode handover module 16, battle array switch 31 and high definition camera 32 respectively, controlled switching system 53 is sent to video conference mode handover module 16 or matrix switcher 31 or high definition camera 32 in the relevant control command warp that middle control main frame 52 sends, thereby realizes conversion selection, the control selection of matrix switcher 31 input and output and the adjustment of high definition camera 32 The Cloud Terrace positions of video conference mode.Wherein, the load of control main frame 52 during middle controlled switching system 53 can reduce by the control command of transmitting control main frame 52 in the processing, and can select the corresponding middle controlled switching system 52 of port number according to the number of high definition camera 32, be convenient to increase the number of high definition camera 32.
Control unit 5 also comprises wireless router 54 and intelligent mobile device 55, and intelligent mobile device 55 comprises iPhone or iPad.Intelligence mobile device 55 is by wireless router 54 and middle controlled switching system 53 interconnection, utilize intelligent mobile device 55 by wireless router 54 and the 53 same control and managements that can realize matrix switcher 31 and high definition camera 32 of middle controlled switching system, make the use and management of video conferencing system convenient and swift.
Video conferencing system also comprises sequential power module 6, and the annexation between sequential power module 6 and other equipment as shown in Figure 6.The input of sequential power module 6 is electrically connected with the city, the output of sequential power module 6 is connected with video conference mode handover module 16, the network equipment 2, matrix switcher 31, control terminal 51, middle control main frame 52 and middle controlled switching system 53 respectively, can control the startup power supply of the said equipment and the order of powered-down by sequential power module 6, effectively avoided artificial operation error, can lower simultaneously power consumption equipment impact to power consumption equipment in switch moment again, guarantee the stable of video conferencing system.
The output of IP video conference terminal 12, control terminal 51 and VGA distributor 15 also all is connected with display 7, can carry out monitoring management to IP video conference terminal 12, control terminal 51 and the SD video conference terminal 15 of correspondence by display 7.
The course of work of the present utility model is as described below:
At first open video conference mode handover module 16, the network equipment 2, matrix switcher 31, control terminal 51, middle control main frame 52 and middle controlled switching system 53 in order by sequential power module 6, pass through video conference mode handover module 16 according to control main frame 52 in the meeting specific requirement utilization then and open corresponding equipment in HD video conference terminal 11, IP video conference terminal 12 and the SD video conference terminal 13.
By middle control main frame 52 according to the meeting-place number with require to set work number and the The Cloud Terrace position thereof of input/output state and the high definition camera 32 of matrix switcher 31, by the operating state of corresponding device in the control terminal 51 control display devices 33.After video conference begins, the multi-channel video signal of the multi-channel video signal that the matrix converter 31 in the video conferencing system transmits the far-end video conferencing system and 32 productions of high definition camera is presented at respectively on the corresponding display device 33 according to the input/output state of matrix switcher 31, watches for the participant.Audio process 42 in the video conferencing system will amplify broadcast by audio amplifier 42 from the audio signal that audio signal and the microphone 41 of far-end video conferencing system are gathered.Wherein, also can realize playing chart data data such as electric network wiring scheme and inner propaganda film by IP video conference terminal 12, and realize information sharing by the network equipment 2.
In conference process, can carry out monitoring management to its corresponding IP video conference terminal 12, control terminal 51 and SD video conference terminal 15 by the display 7 that is connected with IP video conference terminal 12, control terminal 51 and VGA distributor 15.
Meeting adjourned, and sequential power module 6 orderly close-down video conference mode handover modules 16, the network equipment 2, matrix switcher 31, control terminal 51, middle control main frame 52 and middle controlled switching system 53 are passed through in the back.
In addition, can also utilize intelligent mobile device such as iPhone or iPad 55 to realize the function same with middle control main frame 52 by wireless router 54 and middle controlled switching system 53, thereby can realize the control and management to video conferencing system in the optional position in meeting-place.

Claims (8)

1. multi-functional video conferencing system, comprise video conference terminal unit (1), the network equipment (2), display unit (3), audio unit (4) and control unit (5), video conference terminal unit (1) interconnects with the network equipment (2), display unit (3) and audio unit (4) respectively, and display unit (3) also interconnects with control unit (5);
It is characterized in that: described video conference terminal unit (1) comprises HD video conference terminal (11), IP video conference terminal (12), SD video conference terminal (13) and video conference mode handover module (16), and described HD video conference terminal (11), IP video conference terminal (12) and SD video conference terminal (13) are respectively by video conference mode handover module (16) and control unit (5) interconnection; HD video conference terminal (11) and IP video conference terminal (12) interconnect with display unit (3) respectively, the input of SD video conference terminal (13) is connected with display unit (3) by S switch (14), and the output of SD video conference terminal (13) is connected with display unit (3) by VGA distributor (15); Described HD video conference terminal (11), IP video conference terminal (12) and SD video conference terminal (13) also interconnect with the network equipment (2) and audio unit (4) respectively;
Display unit (3) comprises one matrix switcher (31) and several high definition camera (32) and several display devices (33) for display video signal that is used for production meeting-place picture for realization vision signal multichannel input and output conversion, high definition camera (32) is connected with the input of matrix switcher (31), and display device (33) is connected with the output of matrix switcher (31); The input of described matrix switcher (31) also is connected with SD video conference terminal (13) by VGA distributor (15), the output of matrix switcher (31) is connected with SD video conference terminal (13) by S switch (14), and matrix switcher (31) interconnects with HD video conference terminal (11) and IP video conference terminal (12) respectively;
Audio unit (4) comprises an audio process for the treatment of audio signal (42) and several microphones (41) and several audio amplifiers (43), microphone (41) is connected with the input of audio process (42), and audio amplifier (43) is connected with the output of audio process (42); Audio process (42) also interconnects with HD video conference terminal (11), IP video conference terminal (12) and SD video conference terminal (13) respectively;
The controlled switching system (53) that control unit (5) comprises for the control terminal (51) of control display device (33) operating state, is used for sending the control main frame (52) of control signal and is used for handshaking, the input of middle control main frame (52) connects the output of control terminal (51), and the output of middle control main frame (52) connects the control end of display device (33); Controlled switching system (53) interconnects with middle control main frame (52), video conference mode handover module (16), matrix switcher (31) and high definition camera (32) respectively in described.
2. multi-functional video conferencing system according to claim 1, it is characterized in that: described control unit (5) also comprises wireless router (54) and intelligent mobile device (55), and intelligent mobile device (55) is by wireless router (54) and middle controlled switching system (53) interconnection.
3. multi-functional video conferencing system according to claim 2, it is characterized in that: intelligent mobile device (55) is iPhone or iPad.
4. multi-functional video conferencing system according to claim 1, it is characterized in that: described video conferencing system also comprises the sequential power module (6) for managing video conference system power supply, sequential power module (6) input connects civil power, and sequential power module (6) output is connected with video conference mode handover module (16), the network equipment (2), matrix switcher (31), control terminal (51), middle control main frame (52) and middle controlled switching system (53) respectively.
5. multi-functional video conferencing system according to claim 1 is characterized in that: the output of described IP video conference terminal (12), VGA distributor (15) and control terminal (51) is connected with the display (7) for the monitoring relevant device respectively.
6. multi-functional video conferencing system according to claim 1, it is characterized in that: the described network equipment (2) comprises optical transceiver and the switch that is linked in sequence.
7. multi-functional video conferencing system according to claim 1 is characterized in that: at least a in LCD TV, plasm TV, the projecting apparatus of described display device (33).
8. multi-functional video conferencing system according to claim 1, it is characterized in that: described audio process (42) comprises sound console, equalizer and the power amplifier that is linked in sequence.
CN 201320173200 2013-04-09 2013-04-09 Multifunctional video conference system Expired - Fee Related CN203193784U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103997618A (en) * 2014-06-14 2014-08-20 国家电网公司 Anti-accident video and telephone conference device special for electric power
CN104853139A (en) * 2015-05-14 2015-08-19 国家电网公司 Video conferencing system for municipal power supply company
CN105516641A (en) * 2015-12-08 2016-04-20 四川信息职业技术学院 Mobile conference system based on cloud technology and mobile Internet technology
CN108614455A (en) * 2018-05-24 2018-10-02 深圳市康冠医疗设备有限公司 Multiple signals intersection control routine and method
CN110913164A (en) * 2018-09-17 2020-03-24 广州赢溢电子有限公司 Internet-based mobile high-integration intelligent conference control system
CN112188142A (en) * 2020-11-18 2021-01-05 广州市迪士普音响科技有限公司 Network conference hot backup system and implementation method
WO2021104307A1 (en) * 2019-11-27 2021-06-03 中兴通讯股份有限公司 Conference control method, server and computer storage medium

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103997618A (en) * 2014-06-14 2014-08-20 国家电网公司 Anti-accident video and telephone conference device special for electric power
CN104853139A (en) * 2015-05-14 2015-08-19 国家电网公司 Video conferencing system for municipal power supply company
CN105516641A (en) * 2015-12-08 2016-04-20 四川信息职业技术学院 Mobile conference system based on cloud technology and mobile Internet technology
CN108614455A (en) * 2018-05-24 2018-10-02 深圳市康冠医疗设备有限公司 Multiple signals intersection control routine and method
CN110913164A (en) * 2018-09-17 2020-03-24 广州赢溢电子有限公司 Internet-based mobile high-integration intelligent conference control system
WO2021104307A1 (en) * 2019-11-27 2021-06-03 中兴通讯股份有限公司 Conference control method, server and computer storage medium
US11924256B2 (en) 2019-11-27 2024-03-05 Zte Corporation Conference control method, server and computer storage medium
CN112188142A (en) * 2020-11-18 2021-01-05 广州市迪士普音响科技有限公司 Network conference hot backup system and implementation method

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