KR100891449B1 - Video conference system with remote control of camera/wireless mic and electronic voting function and method there of - Google Patents

Abstract

A video conference system having a function of remotely controlling a camera/microphone and an electronic voting function and a method thereof are provided to prevent the frequency jamming and the disconnection of communication, thereby improving the communication quality. A video conference system comprises a plurality of wireless microphones(100,200), a plurality of electronic voting terminals(300), a plurality of cameras(600), a camera control unit(700) and a main controller(400). The main controller wirelessly receives channel information so as to remotely control the wireless microphones, receives key input signals from the electronic voting terminals, generates the electronic voting result, and then controls so that the electronic voting result can be outputted on a screen.

Description

VIDEO CONFERENCE SYSTEM WITH REMOTE CONTROL OF CAMERA / WIRELESS MIC AND ELECTRONIC VOTING FUNCTION AND METHOD THERE OF}

The present invention relates to a wireless communication type conference system, and more particularly, an electronic voting function for a meeting agenda, together with a driving control of each microphone and a camera driving control for speaker shooting through a microphone in a conference hall equipped with a plurality of wireless microphones. The present invention also relates to a wireless conference system and a wireless conference method that combines a camera / microphone remote control and an electronic voting function.

In general, a conference system refers to a video conference system. By using video transmission equipment such as video synthesis, separation, and compression of a video taken based on a video camera, multiple people at different locations simultaneously face each other. It is a system that you can watch while watching. This typically allows meetings at different remote locations without having to face the large business or research institute.

Currently, a video conference system generally used has a separate control for photographing or adjusting the camera direction by artificially adjusting the direction of the camera in a direction of the specific speaker when a specific speaker among a plurality of speakers speaks. A method of artificially adjusting the device was used. When another speaker starts to speak, the camera is adjusted to another speaker side in the same manner as described above.

At this time, the communication system of the conference system has a wired communication method and a wireless communication method. Since the conference system of the wired communication method requires the installation and arrangement of a plurality of cables, the time required for installing and arranging the cables is high. There was a problem of inducing communication noise due to obsolescence, and it was also impossible to mutually video conference with a remote conference room. Although the wireless communication type conference system has the advantage of being capable of video conferencing with a remote site, a conference system is being constructed with wireless microphones, which are commercially available, and the frequency of cross talk between these wireless microphones causes communication quality to be degraded. There was a problem floating down.

According to the present invention for solving the above-described problems, the camera / microphone to establish a binary CDMA wireless communication in the 2.4 GHz band resistant to interference, and to provide an electronic voting function for remote control of the camera / microphone and meeting agenda, etc. It is an object of the present invention to provide a wireless conference system and method thereof that combine remote control and electronic voting functions.

The wireless conference system that combines the camera / microphone remote control and the electronic voting function of the present invention for achieving the above object is provided for each conference participant to configure a unique channel for each microphone, and the microphone driven by remote control of the microphone driving according to the channel A plurality of wireless microphones for wirelessly transmitting the received voice signal in the binary CDMA method of the 2.4GHz frequency band when receiving a voice signal through; A plurality of electronic voting terminals provided for each conference participant and having a plurality of keys to enable electronic voting, and wirelessly transmitting a key input signal according to the input of the keys; A plurality of cameras for capturing an image to generate an image signal; When connected to the plurality of cameras, when the wireless microphone is driven by a remote control, receiving the channel information of the driven microphone to drive at least one camera of the plurality of cameras, and to control the rotation and movement of the driven camera A camera control device receiving the captured video signal; Voice signal received wirelessly by channel information to remotely control the wireless microphone, wirelessly received the key input signal from the electronic voting terminal, and received in a 2.4 GHz frequency band binary CDMA scheme from a wireless microphone driven by remote control. Is controlled to be output through the speaker by audio conversion, the key input signal is to generate an electronic voting result by the calculation of the built-in electronic voting program, the generated electronic voting result is controlled to be output on the screen, The present invention provides a wireless conferencing system that combines a camera / microphone remote control and an electronic voting function including a main controller that receives a digital video signal through a wireless communication with a camera controller and outputs it to a screen by decoding.

The wireless microphone may include a key input unit for receiving a driving signal for driving power control for each wireless microphone of a conference participant, a channel configuration unit for selecting a corresponding channel set for each microphone by an input of the key input unit, and An audio signal wirelessly transmitted to the input signal through the wireless microphone of the tuned channel or the wireless transmitter and receiver for wireless transmission to the main controller, the microphone unit for receiving the voice signal and the microphone of the conference participant A chairman wireless microphone having an external interface connected to a built-in speaker for outputting and a CPU generating a control signal for controlling each unit; A channel configuration unit constituting a unique channel for each microphone, a wireless transmitter / receiver for wirelessly transmitting channel information or a voice signal for the unique channel to the chairman's wireless microphone or the main controller, a microphone unit for receiving a voice signal and the audio A wireless wireless microphone having an external interface connected to a built-in speaker for outputting a signal, and a CPU generating a control signal for controlling each unit; It further includes.

The electronic voting terminal includes: a key input unit configured to receive a corresponding key with a selection number for the electronic voting, a positive, a reverse, or a absent key; A channel configuration unit constituting a unique channel for each terminal; A central processing unit performing an electronic voting function by wirelessly transmitting a key input signal to the main controller and outputting a screen of the key input signal inputted to the main controller by the input of the key input unit; A wireless communication unit for wirelessly transmitting the key input signal under the control of the central processing unit; A rechargeable battery unit supplying driving power to each unit; A charging unit that performs a charging function of the rechargeable battery unit; A display unit configured to operate a power and charge indicator lamp under the control of the central processor; It further includes.

In the above, the main controller receives a voice signal, channel information, a drive signal or a drive signal directly from an input unit by wireless communication with the wireless microphone, and converts the voice signal into an audio signal and outputs it through an external speaker. A main processor configured to control and store a channel for each unique channel, and to control driving of a wireless microphone for each channel upon receiving the channel information or the driving signal according to the stored channel; wireless transmission / reception of voice signals, channel information, and driving signals A wireless transmission and reception unit; a wired communication unit providing a wired communication protocol; storing a control signal for controlling each unit from the main processor, and storing a voice signal, channel information, a driving signal, or a key input signal transmitted from the electronic voting terminal. And an electronic transmission for calculating a voting result according to the key input signal. A memory having a table program; an input unit for receiving channel information or a driving signal; a channel controller for setting and changing channel information for a unique channel for each microphone; controlling driving of a plurality of cameras, and controlling rotation / movement of a driven camera Camera drive control unit for controlling; External I / O controller for controlling the input and output interface device connected to the user computer and various peripheral devices connected to the user computer by wireless or wired communication; Displays the channel information and the screen for various control A power supply unit for supplying driving power to the main processor; an image codec module for converting a digital video signal into a playable video codec; and an audio codec module for converting a digital audio signal into a playable audio codec. It further includes a decoder unit for providing.

The apparatus of claim 1, wherein the camera control device comprises: a channel configuring unit constituting a unique channel; when receiving the channel information of the wireless microphone by wireless transmission from the main controller, the camera controller is configured to determine a location of the wireless microphone according to the received channel information. A camera selection unit for selecting and controlling at least one camera based on selection information; a vertical rotation module for driving a vertical rotation motor of the camera by auto focus control when the camera selected from the camera selection unit is driven, and driving a left and right rotation motor A camera driver having a left and right rotation module; an image receiver configured to receive a photographed video signal when rotation and angle are controlled by auto focus of the camera driver; an A / D conversion converting the received video signal into a digital video signal The camera selection control, the movement / rotation control of the selected camera or the camera zero A control unit for generating a control signal to control reception and wirelessly controlling the video signal converted from the A / D converter to the main controller; wirelessly receiving channel information of the wireless microphone or wirelessly transmitting the video signal It further comprises a communication module.

In the above, the wireless communication system is a binary CDMA system in the 2.4 GHz frequency band.

In order to achieve the above object, a wireless conference method that combines a camera / microphone remote control and an electronic voting function of the present invention includes a plurality of wireless microphones, a plurality of electronic voting terminals, and a main controller for wirelessly controlling a wireless microphone and an electronic voting terminal. And a camera control device connected to a main controller and controlling a camera driving and transmitting a video of the driven camera to the main controller, the method comprising: (A) a 2.4 GHz frequency band from the main controller; (B) the main controller drives a wireless microphone selected by an external input among a plurality of wireless microphones by the set unique channel by binary CDMA; 2.4GHz frequency band from on-off wireless microphone with power on / off control Receiving a voice signal through a binary CDMA scheme and outputting it through a speaker, and transmitting channel information of the selected wireless microphone to the camera controller; (C) the main controller controls driving of the electronic voting terminal, and inputs an external input. When the electronic voting terminal is driven by receiving the key input signal by the key input from the driven electronic voting terminal to calculate the voting result through the built-in electronic voting program, and outputs the calculated voting result on the screen; D) The camera control device presets selection information to determine the location of the wireless microphone according to the channel information for each wireless microphone, and at least one camera of the plurality of connected cameras to the corresponding selection information according to the received channel information. Controlling to select; (E) the camera control apparatus drives power of the selected camera Driving a movement / rotation motor of a camera for image capturing and receiving an image signal obtained by image capturing; (F) the main controller is configured to wirelessly receive the image signal from the camera controller and display the image signal on a screen; It includes; step.

In the above, after the step (A), (A-1) the chairman wireless microphone of the wireless microphone to receive and store predetermined channel information from the main controller to control the driving power of each wireless microphone; (A-2) transmitting channel information on the selected wireless microphone driven by the key input of the chairman wireless microphone to the main controller; The main controller may further include driving power of a wireless microphone of the corresponding channel information according to the transmitted channel information.

After the step (A-3), (A-3-1) the chairman wireless microphone receives a mute key for turning off the power of the driving microphone or outputting a mute key for outputting the audio signal of the driving microphone. Receiving an input; (A-3-2) the main controller controlling the driving power of the wireless microphone to be driven by receiving the input cut-off key signal wirelessly when the cut-off key is input; When the mute key is input, the main controller receives wirelessly the input mute key signal and controls to turn off the driving power of an external speaker or to turn off the built-in speaker driving power of a driving wireless microphone. It further includes;

As described above, the present invention provides a wireless conference system and a method having both a camera / microphone remote control and an electronic voting function, which have an effect of preventing a decrease in communication quality due to frequency interference and disconnection that may occur due to wireless communication.

Other effects include the ability to remotely control microphone-specific driving and volume control, remotely control the speaker automatically through the camera, and provide an electronic voting function for meeting agendas, thus creating an integrated single conference system. have.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall configuration diagram of a wireless conference system that combines a camera / remote control and an electronic voting function according to an embodiment of the present invention, FIG. 2 is a detailed configuration diagram of the wireless microphone of FIG. 1, and FIG. FIG. 4 is a detailed configuration diagram of the main controller of FIG. 1, and FIG. 5 is a detailed configuration diagram of the camera control apparatus of FIG. 1.

If described in detail with reference to Figures 1 to 5,

The wireless conference system of the present invention is a chairman wireless microphone 100, a member's wireless microphone 200, an electronic voting terminal 300, the main controller 400, the camera control device 700, the camera 600, external input and output The interface device 500, a user computer 800, an input device 910, a monitor 940, a speaker 950, a beam projector 960, a printer 970, and a scanner 980 are configured.

The chairperson wireless microphone 100 provides a microphone driving power or a volume control function for individual or simultaneous speaking, limiting the number of speakers, volume control, muting, and microphone reset to have a chairman authority among meeting participants. Specifically, FIG. As shown in the CPU 110, wireless transmission and reception unit 120, key input unit 130, channel configuration unit 140, display unit 150, battery 160, charging unit 161, A / D conversion The unit 170, a voice converter 180, an external interface 190, a microphone 193, and a speaker 194 are included.

The CPU 110 generates a control signal for controlling each unit, and in particular, receives and controls an audio signal of a channel information microphone uniquely set for each microphone from the main controller 400 through the wireless transceiver 120. 430 stores the channel information, and generates a drive signal for driving control of the microphone corresponding to the channel information by key input through the key input unit 130.

The wireless transmitter / receiver 120 configures a wireless communication method, in particular, a 2.4 GHz binary CDMA communication protocol to transmit and receive the channel information, the driving signal, and the voice signal.

The key input unit 130 has a channel key for generating a driving signal for driving control according to channel information for each microphone for individual speaking, simultaneous speaking, limiting the number of speakers, and microphone reset, and also controls for volume control and muting. The signal has an input volume key and receives an input from the outside. In addition, it has a power key and a charging key for driving its own power supply to perform a function by receiving a key input from the outside.

The channel configuration unit 140 stores channel information in which a unique channel is set for each microphone, and selects a channel of channel information selected by the input of the key input unit 130. In addition, a unique channel of the chairman wireless microphone 100 may be configured and stored.

The display unit 150 includes a power supply and a charge display lamp to drive the respective lamps under the control of the CPU 110.

The battery 160 supplies driving power to the chairman wireless microphone 100.

The charging unit 161 performs a function of charging by converting the charging voltage of the battery 160 from an external power supply.

The A / D converter 170 converts an analog voice signal received through a microphone into a digital voice signal that can be wirelessly transmitted.

The voice converter 180 converts a digital voice signal wirelessly transmitted through the wireless transmitter / receiver 120 into an analog audio signal for outputting to the outside.

The external interface unit 190 provides a microphone input terminal 191 connected to the microphone unit 193 and a speaker output terminal 192 for connecting the speaker 194, and the volume key input is used to control or mute the volume. Receives a control signal and performs volume control and mute.

The microphone unit 193 is provided to receive a voice signal, and the speaker 194 receives an audio signal converted by the voice converter 180 to the built-in speaker and outputs it to the outside.

The member's wireless microphone 200 stores channel information having a unique channel for each microphone to be remotely controlled by the chairman's wireless microphone 100 or the main controller 400. In this case, the corresponding channel information is the chairman's wireless microphone. The wireless microphone 100 and the main controller 400 are preset and stored, thereby enabling remote control.

As shown in FIG. 2, the member's wireless microphone 200 basically has the same configuration as the chairman's wireless microphone 100, but the functions of the respective parts may be different. In particular, the key input unit 230 may include a power key and a charge. It is preferable to configure only the keys and the volume keys.

Specifically, the CPU 210 that performs other functions controls each unit, transmits and receives a voice signal through the wireless transmitter / receiver 220, and controls the output of the received voice signal through the built-in speaker 294. 220 performs transmission and reception of a voice signal, the key input unit 230 is provided with a power key for power on / off and the volume keys of the volume control and mute function to receive an external input, the channel configuration unit 240 Set and save unique channel information for each microphone.

In addition, the display unit 250, the battery 260, the charging unit 261, the A / D conversion unit 270, the voice conversion unit 280, the external interface (290, 291 and 292), microphone unit ( 293, the speaker 294 preferably performs the same function.

The electronic voting terminal 300 is provided with each member of the conference together with the wireless microphone 200 for the member to configure the electronic voting for the agenda, etc. during the meeting.

That is, the electronic voting terminal 300 as shown in Figure 3, the central processing unit 310, the wireless communication unit 320, the key input unit 330, the channel configuration unit 340, the display unit 350, charging unit 360 ), The rechargeable battery unit 361.

The central processing unit 310 controls each unit constituting, and in particular, controls the key input signal input by the key input unit 330 to be wirelessly transmitted to the main controller 400.

The wireless communication unit 320 performs wireless transmission of the key input signal by a wireless communication function.

The key input unit 330 includes a number key, an approval key, an opposite key, or a resignation key required for the electronic voting, and generates a key input signal by inputting each key. The apparatus may further include a power key for power on / off and a charging key for charge on / off.

As the plurality of electronic voting terminals 300 are provided, the channel configuration unit 340 sets and stores unique channel information for each electronic voting terminal 300.

The display unit 350 configures a power supply and a charge display lamp to operate or deactivate each lamp.

The charging unit 360 converts a predetermined charging voltage from an external power source to the rechargeable battery unit 361.

The rechargeable battery unit 361 configures a rechargeable battery to receive the charging voltage by the charging unit 360, and the charging voltage is supplied to the driving power of the electronic voting terminal 300.

The main controller 400 controls to output a voice signal transmitted by wireless communication with the chairman wireless microphone 100 and the member wireless microphone 200 through the external speaker 950, and the camera controller 700. The driving control of the camera 600 connected to the camera control apparatus 700 and the video signal obtained from the camera 600 are received by wireless communication, and the output of the received video signal is controlled on the screen.

As shown in FIG. 4, the main controller 400 includes a main processor 410, a wireless transmitter / receiver 421, a wired communication unit 422, a memory 430, an input unit 440, and a channel controller 450. ), A camera driving controller 461, an external I / O controller 462, a display unit 470, a power supply unit 480, and a decoder unit 490.

The main processor 410 receives and stores a channel for each unique channel for each wireless microphone, and receives a voice signal, channel information, and a driving signal by wireless communication with the wireless microphones 100 and 200 or directly receives a driving signal from the input unit 440. In response to the input and reception or reception of the channel information or the driving signal according to the stored channel, the wireless microphones 100 and 200 belonging to the corresponding channel are controlled to be turned on / off.

In addition, the audio signal transmitted wirelessly through the wireless microphone 101 or 201 in the on state is converted into an analog audio signal and controlled to be output through the external speaker 950.

The wireless transmitter / receiver 421 transmits and receives the voice signal, the channel information, and the drive signal by using the binary CDMA scheme of the 2.4 GHz frequency band.

The wired communication unit 422 transmits and receives the voice signal, the channel information, and the drive signal by wired communication. For the wired communication method, for example, a wired communication method such as RS-232, RS-422, RS-485 may be adopted. However, any conventional wired communication method is possible.

The memory 430 stores a control signal for controlling each unit from the main processor 410, and receives channel information, a driving signal, a voice signal through the wireless transmitter / receiver 421, or the electronic voting terminal ( A key input signal transmitted from 300 is stored, and an electronic voting program for calculating a voting result according to the key input signal is embedded.

At this time, the electronic voting program is a program for automatically calculating the voting result value by a plurality of key input signals, if a key input signal is wirelessly transmitted through each provided electronic voting terminal 300 at the time of conducting electronic voting for the meeting agenda, It is configured to generate a result screen for the automatically calculated result value and display it through the externally connected monitor 940.

The input unit 440 includes at least one driving key for receiving an external input of a driving signal for on / off driving control of a microphone configured for each channel. The driving signal is transmitted to the wireless microphones 100 and 200 by the control of the main processor 410 by the input of the driving key.

The channel controller 450 is configured to set and change channel information on a unique channel for each microphone. That is, the channel controller 450 provides a user interface to change the setting of the channel information configured for each wireless microphone.

The camera driving controller 461 controls on / off driving of a plurality of wired cameras 600, and controls the camera 600 in an on state by a control signal to rotate / move.

The external I / O controller 462 controls the user computer 800 and an external input / output interface device connected to various peripheral devices connected to the user computer 800 by wireless communication or wired communication.

The display unit 470 displays channel information for each wireless microphone that is turned on or off according to the on / off driving control of the wireless microphones 100, 200, or the wireless microphones 100, 200, the camera 600, and the camera controller for various controls. 700, a status screen for the external I / O interface device 500 is displayed.

The power supply unit 480 supplies driving power of the device, and the power supply may be a commercial power supply or a rechargeable battery.

As shown in FIG. 4, the decoder 490 includes an image codec unit 491 for converting a digital image signal wirelessly received through the camera control apparatus 700 into a playable image codec, and the wireless microphone. The audio codec unit 492 converts a digital audio signal received wirelessly through the audio signal 100 and 200 into a playable audio codec.

As shown in FIG. 1, the external input / output interface device 500 is connected to the main controller 400 by wired communication. The external input / output interface device 500 is connected to the user computer 800 to input peripheral devices 910, a mouse 920, and various peripheral devices. Keyboard 930), monitor 940, speaker 950, beam projector 960, printer 970, scanner 980 to be operated via user computer 800.

In particular, the beam projector 960 performs a function of displaying an image captured by the camera 600 during a meeting through a screen (not shown).

In addition, the external input / output interface device 500 may be connected to the user computer 800 by wireless communication, which can be easily changed by those skilled in the art.

As shown in FIG. 5, the camera controller 700 includes a control unit 710, a wireless communication module 720, a channel configuration unit 730, a key configuration unit 740, a battery 750, and a rechargeable unit 751. ), An A / D conversion unit 761, an image receiving unit 762, a camera driver 770, a camera selecting unit 780, and a wired communication module 790.

The controller 710 generates a control signal to control the selection control of the plurality of cameras 600, the movement / rotation control of the selected camera 600, or the image reception of the camera 600, and the A / D converter 761. Control to wirelessly transmit the video signal converted into a digital form from the main controller 400.

The wireless communication module 720 wirelessly receives channel information of the wireless microphones 100 and 200 or wirelessly transmits a digital image signal.

The channel configuring unit 730 configures a unique channel of the camera control apparatus 700 and transmits channel information configured in the main controller 400 to be remotely controlled.

The key configuration unit 740 has a control key for controlling the camera 600 when the direct control of the camera 600 is requested in place of the remote control of the main controller 400, and is not configured in the device according to the remote control. It may not.

The battery 750 supplies the driving power of the device.

The rechargeable unit 751 converts and generates a charging voltage for charging the driving power from the commercial power when the driving power is discharged to the battery 750.

The A / D converter 761 converts the received analog video signal into a digital video signal.

The image receiver 762 receives the image signal photographed from the photographing target when the rotation and the angle are controlled by the auto focus control of the camera driver 770.

The camera driver 770 drives a camera 600 selected from the camera selector 780 and vertically rotates a module to drive a vertically rotating motor of the camera 600 by auto focus control of the driven camera 600. 771) and a left / right rotation module 772 for driving the left and right rotation motors.

When the camera selector 780 receives channel information of the wireless microphones 100 and 200 by wireless transmission from the main controller 400, the camera selection unit 780 determines the position of the wireless microphones 100 and 200 according to the received channel information. It may be a kind of multiplexer that performs a function for selectively controlling at least one camera 601 or 602.

Wired communication module 790 is connected to the camera 600 by a wired communication method to perform the control function of the camera 600, wired communication method is, for example, RS-232, RS-422, RS-485 Can be.

A plurality of cameras 600 are arranged to be spaced apart from a predetermined location of the conference hall, and in particular, it is preferable that the cameras are arranged to facilitate shooting where the wireless microphones 100 and 200 provided in the conference hall are connected, and are connected to and driven with the camera control apparatus 700. Power on / off control, the movement / rotation control of the camera 600 is remotely controlled, and performs the auto focus control and auto tracking control function of the shooting target.

In particular, the camera 600 may have a built-in thermal sensor to shoot the correct target (the speaker) even if the speaker is placed in the place where the wireless microphone (100,200) is located, and determine the position of the speaker by the thermal detection of the thermal sensor It is desirable to automatically track and automatically perform focus control for a clear image. Any conventional camera that can perform this function can be used.

6 is a flowchart illustrating a wireless microphone control process of a wireless conference method that combines a camera / remote control and an electronic voting function according to an embodiment of the present invention.

Referring to Figure 6 in detail,

First, in the state in which the chairperson wireless microphone 100 is driven, it is determined whether a key is input for individual speech or simultaneous speech (speaking of multiple speakers) during a meeting (S600).

In this case, it may be determined whether individual speaking or simultaneous speaking is made by the direct input of the main controller 400 in addition to the chairman wireless microphone 100.

According to the key input or not, a driving signal is generated according to the key input and wirelessly transmitted to the main controller 400, and the main controller 400 selects a corresponding channel according to the channel information included in the driving signal (S602).

Channel information is transmitted to the wireless microphones 100, 201 or 202 of the tuned channel so that the power of the wireless microphones 100, 201 or 202 is driven (on) (S604).

In addition, when the voice signal is received from the wireless microphone 100, 201 or 202 in the on state, the received analog voice signal is converted into a digital signal (S606).

The converted signal is transmitted to the main controller 400 by wireless communication, and the main controller 400 converts the received digital signal back into an analog audio signal so as to be outputted to the outside and through the external speaker 950. To output (S608, S610).

In this case, the voice signal may be transmitted to the wireless microphones 100, 201, or 202, and may be output through the built-in speaker 194 or 294 when the voice signal is converted into an audio signal by a self-conversion.

On the other hand, the volume control of the wireless microphone (100, 201 or 202) in the on state can be controlled by the wireless microphone itself volume key or by the remote control of the main controller 400, in particular the design of the wireless microphone 100 It is determined whether a mute (mute) key or a reset key is input (S612).

The mute key or the reset key may be input through the input unit 440 of the main controller 400.

The main controller 400 wirelessly receiving the input signal when the mute key or the reset key is input through the chairman wireless microphone 100 transmits a control signal to the wireless microphone 201 or 202 of the corresponding channel according to the input signal. The microphone is turned off (S614).

The reset key performs a function of initializing (off) driving powers of all the member wireless microphones 200.

7 is a flowchart illustrating an electronic voting control process of a wireless conference method with a camera / remote control and an electronic voting function according to an embodiment of the present invention.

Referring to Figure 7 in detail,

During the meeting, the electronic voting terminal 300 provided for each member (meeting participant) is turned on by the remote control of the main controller 400 wirelessly during the electronic voting on the agenda of the meeting, and the electronic voting terminal ( It is determined whether the key input of 300 (S700).

The electronic voting terminal 300 in the on state receives a number key, an approval key, an opposing key, or a absent key to be input for each meeting item (S702).

The key input signal is wirelessly transmitted to the main controller 400 by the input (S704).

The key input signal received wirelessly calculates a voting result value by the built-in electronic voting program of the main controller 400 (S706).

A voting result screen for the calculated voting result value is generated and displayed through the external monitor 940 (S708).

8 is a flowchart illustrating a camera control process of a wireless conference method that combines a camera / remote control and an electronic voting function according to an embodiment of the present invention.

Referring to FIG. 8 in detail,

First, it is determined whether to receive channel information about the wireless microphone 201 or 202 driven (on) by the microphone remote control of the chairman wireless microphone 100 or the main controller 400 (S800).

The camera control apparatus 700 receiving the channel information generates selection information for selecting the camera 600 for each channel information based on the received channel information, and drives among the plurality of cameras 600 based on the generated selection information. At least one selection control of the camera 601 or 602 to be performed is performed (S802).

The selected camera 601 or 602 is driven (on) and drives the up / down / left / right rotation motor for controlling the movement / rotation of the camera 601 or 602 in order to generate an accurate photographed image of the speaker (S804). .

When an image is obtained from the camera 601 or 602 controlled to move / rotate, the obtained image signal is received, and the received image signal is converted into a digital image signal for wireless transmission (S806 and S808).

The converted video signal is transmitted to the main controller 400, and the received video signal is decoded into a pre-stored video codec to enable screen output (S810 and S812).

The decoded video signal is output on the screen (S814).

1 is an overall configuration diagram of a wireless conference system with a camera / remote control and electronic voting function according to an embodiment of the present invention.

2 is a detailed configuration diagram of the wireless microphone of FIG.

3 is a detailed configuration diagram of the electronic voting terminal of FIG.

4 is a detailed configuration diagram of the main controller of FIG.

5 is a detailed configuration diagram of the camera control device of FIG.

Figure 6 is a flow chart for a wireless microphone control process of the wireless conference method with a camera / remote control and electronic voting function according to an embodiment of the present invention.

7 is a flowchart illustrating an electronic voting control process of a wireless conference method with a camera / remote control and electronic voting function according to an embodiment of the present invention.

8 is a flowchart of a camera control process of a wireless conference method with a camera / remote control and an electronic voting function according to an embodiment of the present invention.

<Description of reference numerals for main parts of the drawings>

100: Chairman's wireless microphone 200, 201, 202: Member's wireless microphone

110, 210: CPU 120,220: Wireless Transceiver

130,230: key input 140,240: channel configuration

150,250: display unit 160,260: battery

161,261: charging unit 170,270: A / D conversion unit

180,280: Voice conversion section 190, 290: External interface section

191,291: Microphone input terminal 192,292: Speaker output terminal

193,293: Microphone unit 194,294: Speaker

300: electronic voting terminal 310: central processing unit

320: wireless communication unit 330: key input unit

340: channel configuration unit 350: display unit

360: charging unit 361: charging unit

400: main controller 410: main processor

421: wireless transmission and reception unit 422: wired communication unit

430: memory 440: input unit

450: channel controller 461: camera drive controller

462: external I / O controller 470: display unit

480: power supply unit 490: decoder unit

491: video codec section 492: audio codec section

500: External I / O interface device 600, 601, 602: Camera

700: camera controller 710: controller

720: Wireless Communication Module 730: Channel Composition

740: key component 750: battery

751: Rechargeable unit 761: A / D conversion unit

762: Image receiver 770: Camera driver

771: vertical rotation module 772: left and right rotation module

780: camera selector 790: wired communication module

800: user computer 910: input device

920: mouse 930: keyboard

940: monitor 950: speaker

960: beam projector 970: printer

980: Scanner

Claims (9)

It is provided for each conference participant to configure a unique channel for each microphone. When receiving a voice signal through a microphone driven by remote control of the microphone driving according to the channel, the received voice signal is wirelessly transmitted in the binary CDMA method of the 2.4 GHz frequency band. Multiple wireless microphones; A plurality of electronic voting terminals provided for each conference participant and having a plurality of keys to enable electronic voting, and wirelessly transmitting a key input signal according to the input of the keys; A plurality of cameras for capturing an image to generate an image signal; When connected to the plurality of cameras, when the wireless microphone is driven by a remote control, receiving the channel information of the driven microphone to drive at least one camera of the plurality of cameras, and to control the rotation and movement of the driven camera A camera control device receiving the captured video signal; Voice signal received wirelessly by channel information to remotely control the wireless microphone, wirelessly received the key input signal from the electronic voting terminal, and received in a 2.4 GHz frequency band binary CDMA scheme from a wireless microphone driven by remote control. Is controlled to be output through the speaker by audio conversion, the key input signal is to generate an electronic voting result by the calculation of the built-in electronic voting program, the generated electronic voting result is controlled to be output on the screen, A main controller for receiving a digital video signal through a wireless communication with a camera controller and controlling the output on a screen by decoding; Wireless conference system with a camera / microphone remote control and electronic voting function, including. The method of claim 1, wherein the wireless microphone A key input unit for receiving a driving signal for driving power control for each wireless microphone of a conference participant, a channel configuration unit for tuning a corresponding channel set for each microphone by the input of the key input unit, and tuning the received driving signal External interface connected with a wireless microphone of a channel or a wireless transmitter / receiver for wireless transmission to the main controller, a microphone for receiving a voice signal, and a built-in speaker for outputting an audio signal wirelessly transmitted to a voice signal input through a microphone of a conference participant. A chairman wireless microphone having a unit and a CPU for generating a control signal for controlling each unit; A channel configuration unit constituting a unique channel for each microphone, a wireless transmitter / receiver for wirelessly transmitting channel information or a voice signal for the unique channel to the chairman's wireless microphone or the main controller, a microphone unit for receiving a voice signal and the audio A wireless wireless microphone having an external interface connected to a built-in speaker for outputting a signal, and a CPU generating a control signal for controlling each unit; Wireless conference system with a camera / microphone remote control and electronic voting function further comprising. The method of claim 1, wherein the electron voting terminal A key input unit having a selection number for the electronic voting, a pros and cons, or a withdrawal key to receive the corresponding key; A channel configuration unit constituting a unique channel for each terminal; A central processing unit performing an electronic voting function by wirelessly transmitting a key input signal to the main controller and outputting a screen of the key input signal inputted by the key input unit; A wireless communication unit for wirelessly transmitting the key input signal under the control of the central processing unit; A rechargeable battery unit supplying driving power to each unit; A charging unit that performs a charging function of the rechargeable battery unit; A display unit configured to operate a power and charge indicator lamp under the control of the central processor; Wireless conference system with a camera / microphone remote control and electronic voting function further comprising. The method of claim 1, wherein the main controller Receives a voice signal, channel information, a driving signal by a wireless microphone and wireless communication, or directly receives a driving signal from an input unit, converts the voice signal into an audio signal, and outputs it through an external speaker, and controls a channel for each unique channel. A main processor configured to store and set and control driving of a wireless microphone for each channel upon receiving the channel information or the driving signal according to the stored channel; A wireless transmission and reception unit for wirelessly transmitting and receiving voice signals, channel information, and driving signals; A wired communication unit providing a wired communication protocol; Storing a control signal for controlling each unit from the main processor, storing a voice signal, channel information, a driving signal, or a key input signal transmitted from the electronic voting terminal, and calculating a voting result according to the key input signal. A memory containing an electronic voting program for; An input unit for receiving channel information or a driving signal; A channel controller configured to set and change channel information on a unique channel for each microphone; A camera driving control unit controlling a plurality of camera driving and controlling rotation / movement of the driven camera; An external I / O controller for controlling an external input / output interface device connected to a user computer and various peripheral devices connected to the user computer by wireless or wired communication; A display unit which displays the channel information and a screen for various controls; A power supply unit supplying driving power to the main processor; A decoder unit for providing a video codec module for converting a digital video signal into a playable video codec, and an audio codec module for converting a digital audio signal into a playable audio codec; Wireless conference system with a camera / microphone remote control and electronic voting function further comprising. The method of claim 1, wherein the camera control device A channel configuring unit constituting a unique channel; A camera selector configured to selectively control at least one camera based on selection information configured to determine a location of the wireless microphone according to the received channel information when receiving the channel information of the wireless microphone from the main controller by wireless transmission; A camera driver having a vertical rotation module 771 for driving the vertical rotation motor of the camera by auto focus control and a horizontal rotation module for driving the horizontal rotation motor when the camera selected from the camera selection unit is driven; An image receiver configured to receive a photographed image signal when the rotation and angle are controlled by the auto focus of the camera driver; An A / D converter converting the received video signal into a digital video signal; A control unit generating a control signal to control the camera selection control, the movement / rotation control of the selected camera, or the image reception of the camera, and wirelessly controlling the image signal converted from the A / D conversion unit to the main controller; A wireless communication module for wirelessly receiving channel information of the wireless microphone or wirelessly transmitting the video signal; Wireless conferencing system with a camera / microphone remote control and electronic voting function further comprising a. delete A plurality of wireless microphones, a plurality of electronic voting terminals, a main controller for wirelessly controlling a wireless microphone and an electronic voting terminal, and a camera control device connected to the main controller to control camera driving and to transmit the image of the driven camera to the main controller In the conference method using a wireless conference system comprising a, (A) setting a unique channel for remote control by wireless communication for each wireless microphone by binary CDMA scheme of 2.4 GHz frequency band from the main controller; (B) The main controller controls the driving power of the wireless microphone selected by the external input among the plurality of wireless microphones by the set unique channel to turn on or off the wireless microphone from the on-state wireless microphone to the binary CDMA method of the 2.4 GHz frequency band. Receiving a signal and outputting the same through a speaker, and transmitting channel information of the selected wireless microphone to the camera controller; (C) The main controller controls the driving of the electronic voting terminal, and when the electronic voting terminal is driven by an external input, receives a key input signal from the driven electronic voting terminal by key input and votes through an embedded electronic voting program. Calculating a result and outputting the calculated voting result on a screen; (D) The camera control apparatus presets selection information to determine the location of the wireless microphone according to the channel information for each wireless microphone, and at least one camera of a plurality of connected cameras to the corresponding selection information according to the received channel information. Controlling to select; (E) the camera control apparatus driving a moving / rotating motor of the camera for image capturing by driving the power of the selected camera, and receiving the image signal obtained by the image capturing; (F) the main controller receiving wirelessly the video signal from the camera controller and displaying the video signal on a screen; Wireless conference method with a camera / microphone remote control and electronic voting function comprising a. According to claim 7, After the step (A), (A-1) receiving and storing predetermined channel information from the main controller to control driving power of each of the wireless microphones; (A-2) transmitting channel information on the selected wireless microphone driven by the key input of the chairman wireless microphone to the main controller; (A-3) the main controller driving power of a wireless microphone of corresponding channel information according to the transmitted channel information; Wireless conference method with a camera / microphone remote control and electronic voting function further comprising a. According to claim 8, After the step (A-3), (A-3-1) wherein the chairman wireless microphone receives a cutoff key for shutting off a driving microphone or a mute key for outputting off a voice signal of the driving microphone; (A-3-2) the main controller controlling the driving power of the wireless microphone to be driven by receiving the input cut-off key signal wirelessly when the cut-off key is input; When the mute key is input, the main controller receives wirelessly the input mute key signal and controls to turn off the driving power of an external speaker or to turn off the built-in speaker driving power of a driving wireless microphone. ; Wireless conference method with a camera / microphone remote control and electronic voting function further comprising a.

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